Sweden-Number/dlls/riched20/tests/editor.c

/*
* Unit test suite for rich edit control
*
* Copyright 2006 Google (Thomas Kho)
* Copyright 2007 Matt Finnicum
* Copyright 2007 Dmitry Timoshkov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/

#include <stdarg.h>
#include <assert.h>
#include <windef.h>
#include <winbase.h>
#include <wingdi.h>
#include <winuser.h>
#include <winnls.h>
#include <ole2.h>
#include <richedit.h>
#include <time.h>
#include <wine/test.h>

static HMODULE hmoduleRichEdit;

static HWND new_window(LPCTSTR lpClassName, DWORD dwStyle, HWND parent) {
  HWND hwnd;
  hwnd = CreateWindow(lpClassName, NULL, dwStyle|WS_POPUP|WS_HSCROLL|WS_VSCROLL
                      |WS_VISIBLE, 0, 0, 200, 60, parent, NULL,
                      hmoduleRichEdit, NULL);
  ok(hwnd != NULL, "class: %s, error: %d\n", lpClassName, (int) GetLastError());
  return hwnd;
}

static HWND new_richedit(HWND parent) {
  return new_window(RICHEDIT_CLASS, ES_MULTILINE, parent);
}

static const char haystack[] = "WINEWine wineWine wine WineWine";
                             /* ^0        ^10       ^20       ^30 */

struct find_s {
  int start;
  int end;
  const char *needle;
  int flags;
  int expected_loc;
  int _todo_wine;
};


struct find_s find_tests[] = {
  /* Find in empty text */
  {0, -1, "foo", FR_DOWN, -1, 0},
  {0, -1, "foo", 0, -1, 0},
  {0, -1, "", FR_DOWN, -1, 0},
  {20, 5, "foo", FR_DOWN, -1, 0},
  {5, 20, "foo", FR_DOWN, -1, 0}
};

struct find_s find_tests2[] = {
  /* No-result find */
  {0, -1, "foo", FR_DOWN | FR_MATCHCASE, -1, 0},
  {5, 20, "WINE", FR_DOWN | FR_MATCHCASE, -1, 0},

  /* Subsequent finds */
  {0, -1, "Wine", FR_DOWN | FR_MATCHCASE, 4, 0},
  {5, 31, "Wine", FR_DOWN | FR_MATCHCASE, 13, 0},
  {14, 31, "Wine", FR_DOWN | FR_MATCHCASE, 23, 0},
  {24, 31, "Wine", FR_DOWN | FR_MATCHCASE, 27, 0},

  /* Find backwards */
  {19, 20, "Wine", FR_MATCHCASE, 13, 0},
  {10, 20, "Wine", FR_MATCHCASE, 4, 0},
  {20, 10, "Wine", FR_MATCHCASE, 13, 0},

  /* Case-insensitive */
  {1, 31, "wInE", FR_DOWN, 4, 0},
  {1, 31, "Wine", FR_DOWN, 4, 0},

  /* High-to-low ranges */
  {20, 5, "Wine", FR_DOWN, -1, 0},
  {2, 1, "Wine", FR_DOWN, -1, 0},
  {30, 29, "Wine", FR_DOWN, -1, 0},
  {20, 5, "Wine", 0, 13, 0},

  /* Find nothing */
  {5, 10, "", FR_DOWN, -1, 0},
  {10, 5, "", FR_DOWN, -1, 0},
  {0, -1, "", FR_DOWN, -1, 0},
  {10, 5, "", 0, -1, 0},

  /* Whole-word search */
  {0, -1, "wine", FR_DOWN | FR_WHOLEWORD, 18, 0},
  {0, -1, "win", FR_DOWN | FR_WHOLEWORD, -1, 0},
  {13, -1, "wine", FR_DOWN | FR_WHOLEWORD, 18, 0},
  {0, -1, "winewine", FR_DOWN | FR_WHOLEWORD, 0, 0},
  {10, -1, "winewine", FR_DOWN | FR_WHOLEWORD, 23, 0},
  {11, -1, "winewine", FR_WHOLEWORD, 0, 0},
  {31, -1, "winewine", FR_WHOLEWORD, 23, 0},
  
  /* Bad ranges */
  {5, 200, "XXX", FR_DOWN, -1, 0},
  {-20, 20, "Wine", FR_DOWN, -1, 0},
  {-20, 20, "Wine", FR_DOWN, -1, 0},
  {-15, -20, "Wine", FR_DOWN, -1, 0},
  {1<<12, 1<<13, "Wine", FR_DOWN, -1, 0},

  /* Check the case noted in bug 4479 where matches at end aren't recognized */
  {23, 31, "Wine", FR_DOWN | FR_MATCHCASE, 23, 0},
  {27, 31, "Wine", FR_DOWN | FR_MATCHCASE, 27, 0},
  {27, 32, "Wine", FR_DOWN | FR_MATCHCASE, 27, 0},
  {13, 31, "WineWine", FR_DOWN | FR_MATCHCASE, 23, 0},
  {13, 32, "WineWine", FR_DOWN | FR_MATCHCASE, 23, 0},

  /* The backwards case of bug 4479; bounds look right
   * Fails because backward find is wrong */
  {19, 20, "WINE", FR_MATCHCASE, 0, 0},
  {0, 20, "WINE", FR_MATCHCASE, -1, 0},

  {0, -1, "wineWine wine", 0, -1, 0},
};

static void check_EM_FINDTEXT(HWND hwnd, const char *name, struct find_s *f, int id) {
  int findloc;
  FINDTEXT ft;
  memset(&ft, 0, sizeof(ft));
  ft.chrg.cpMin = f->start;
  ft.chrg.cpMax = f->end;
  ft.lpstrText = f->needle;
  findloc = SendMessage(hwnd, EM_FINDTEXT, f->flags, (LPARAM) &ft);
  ok(findloc == f->expected_loc,
     "EM_FINDTEXT(%s,%d) '%s' in range(%d,%d), flags %08x, got start at %d\n",
     name, id, f->needle, f->start, f->end, f->flags, findloc);
}

static void check_EM_FINDTEXTEX(HWND hwnd, const char *name, struct find_s *f,
    int id) {
  int findloc;
  FINDTEXTEX ft;
  memset(&ft, 0, sizeof(ft));
  ft.chrg.cpMin = f->start;
  ft.chrg.cpMax = f->end;
  ft.lpstrText = f->needle;
  findloc = SendMessage(hwnd, EM_FINDTEXTEX, f->flags, (LPARAM) &ft);
  ok(findloc == f->expected_loc,
      "EM_FINDTEXTEX(%s,%d) '%s' in range(%d,%d), flags %08x, start at %d\n",
      name, id, f->needle, f->start, f->end, f->flags, findloc);
  ok(ft.chrgText.cpMin == f->expected_loc,
      "EM_FINDTEXTEX(%s,%d) '%s' in range(%d,%d), flags %08x, start at %d\n",
      name, id, f->needle, f->start, f->end, f->flags, ft.chrgText.cpMin);
  ok(ft.chrgText.cpMax == ((f->expected_loc == -1) ? -1
        : f->expected_loc + strlen(f->needle)),
      "EM_FINDTEXTEX(%s,%d) '%s' in range(%d,%d), flags %08x, end at %d\n",
      name, id, f->needle, f->start, f->end, f->flags, ft.chrgText.cpMax);
}

static void run_tests_EM_FINDTEXT(HWND hwnd, const char *name, struct find_s *find,
    int num_tests)
{
  int i;

  for (i = 0; i < num_tests; i++) {
    if (find[i]._todo_wine) {
      todo_wine {
        check_EM_FINDTEXT(hwnd, name, &find[i], i);
        check_EM_FINDTEXTEX(hwnd, name, &find[i], i);
      }
    } else {
        check_EM_FINDTEXT(hwnd, name, &find[i], i);
        check_EM_FINDTEXTEX(hwnd, name, &find[i], i);
    }
  }
}

static void test_EM_FINDTEXT(void)
{
  HWND hwndRichEdit = new_richedit(NULL);

  /* Empty rich edit control */
  run_tests_EM_FINDTEXT(hwndRichEdit, "1", find_tests,
      sizeof(find_tests)/sizeof(struct find_s));

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) haystack);

  /* Haystack text */
  run_tests_EM_FINDTEXT(hwndRichEdit, "2", find_tests2,
      sizeof(find_tests2)/sizeof(struct find_s));

  DestroyWindow(hwndRichEdit);
}

static const struct getline_s {
  int line;
  size_t buffer_len;
  const char *text;
} gl[] = {
  {0, 10, "foo bar\r"},
  {1, 10, "\r"},
  {2, 10, "bar\r"},
  {3, 10, "\r"},

  /* Buffer smaller than line length */
  {0, 2, "foo bar\r"},
  {0, 1, "foo bar\r"},
  {0, 0, "foo bar\r"}
};

static void test_EM_GETLINE(void)
{
  int i;
  HWND hwndRichEdit = new_richedit(NULL);
  static const int nBuf = 1024;
  char dest[1024], origdest[1024];
  const char text[] = "foo bar\n"
      "\n"
      "bar\n";

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) text);

  memset(origdest, 0xBB, nBuf);
  for (i = 0; i < sizeof(gl)/sizeof(struct getline_s); i++)
  {
    int nCopied;
    int expected_nCopied = min(gl[i].buffer_len, strlen(gl[i].text));
    int expected_bytes_written = min(gl[i].buffer_len, strlen(gl[i].text) + 1);
    memset(dest, 0xBB, nBuf);
    *(WORD *) dest = gl[i].buffer_len;

    /* EM_GETLINE appends a "\r\0" to the end of the line
     * nCopied counts up to and including the '\r' */
    nCopied = SendMessage(hwndRichEdit, EM_GETLINE, gl[i].line, (LPARAM) dest);
    ok(nCopied == expected_nCopied, "%d: %d!=%d\n", i, nCopied,
       expected_nCopied);
    /* two special cases since a parameter is passed via dest */
    if (gl[i].buffer_len == 0)
      ok(!dest[0] && !dest[1] && !strncmp(dest+2, origdest+2, nBuf-2),
         "buffer_len=0\n");
    else if (gl[i].buffer_len == 1)
      ok(dest[0] == gl[i].text[0] && !dest[1] &&
         !strncmp(dest+2, origdest+2, nBuf-2), "buffer_len=1\n");
    else
    {
      ok(!strncmp(dest, gl[i].text, expected_bytes_written),
         "%d: expected_bytes_written=%d\n", i, expected_bytes_written);
      ok(!strncmp(dest + expected_bytes_written, origdest
                  + expected_bytes_written, nBuf - expected_bytes_written),
         "%d: expected_bytes_written=%d\n", i, expected_bytes_written);
    }
  }

  DestroyWindow(hwndRichEdit);
}

static void test_EM_LINELENGTH(void)
{
  HWND hwndRichEdit = new_richedit(NULL);
  const char * text =
        "richedit1\r"
        "richedit1\n"
        "richedit1\r\n"
        "richedit1";
  int offset_test[10][2] = {
        {0, 9},
        {5, 9},
        {10, 9},
        {15, 9},
        {20, 9},
        {25, 9},
        {30, 9},
        {35, 9},
        {40, 0},
        {45, 0},
  };
  int i;
  LRESULT result;

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) text);

  for (i = 0; i < 10; i++) {
    result = SendMessage(hwndRichEdit, EM_LINELENGTH, offset_test[i][0], 0);
    ok(result == offset_test[i][1], "Length of line at offset %d is %ld, expected %d\n",
        offset_test[i][0], result, offset_test[i][1]);
  }

  DestroyWindow(hwndRichEdit);
}

static int get_scroll_pos_y(HWND hwnd)
{
  POINT p = {-1, -1};
  SendMessage(hwnd, EM_GETSCROLLPOS, 0, (LPARAM) &p);
  ok(p.x != -1 && p.y != -1, "p.x:%d p.y:%d\n", p.x, p.y);
  return p.y;
}

static void move_cursor(HWND hwnd, long charindex)
{
  CHARRANGE cr;
  cr.cpMax = charindex;
  cr.cpMin = charindex;
  SendMessage(hwnd, EM_EXSETSEL, 0, (LPARAM) &cr);
}

static void line_scroll(HWND hwnd, int amount)
{
  SendMessage(hwnd, EM_LINESCROLL, 0, amount);
}

static void test_EM_SCROLLCARET(void)
{
  int prevY, curY;
  HWND hwndRichEdit = new_richedit(NULL);
  const char text[] = "aa\n"
      "this is a long line of text that should be longer than the "
      "control's width\n"
      "cc\n"
      "dd\n"
      "ee\n"
      "ff\n"
      "gg\n"
      "hh\n";

  /* Can't verify this */
  SendMessage(hwndRichEdit, EM_SCROLLCARET, 0, 0);

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) text);

  /* Caret above visible window */
  line_scroll(hwndRichEdit, 3);
  prevY = get_scroll_pos_y(hwndRichEdit);
  SendMessage(hwndRichEdit, EM_SCROLLCARET, 0, 0);
  curY = get_scroll_pos_y(hwndRichEdit);
  ok(prevY != curY, "%d == %d\n", prevY, curY);

  /* Caret below visible window */
  move_cursor(hwndRichEdit, sizeof(text) - 1);
  line_scroll(hwndRichEdit, -3);
  prevY = get_scroll_pos_y(hwndRichEdit);
  SendMessage(hwndRichEdit, EM_SCROLLCARET, 0, 0);
  curY = get_scroll_pos_y(hwndRichEdit);
  ok(prevY != curY, "%d == %d\n", prevY, curY);

  /* Caret in visible window */
  move_cursor(hwndRichEdit, sizeof(text) - 2);
  prevY = get_scroll_pos_y(hwndRichEdit);
  SendMessage(hwndRichEdit, EM_SCROLLCARET, 0, 0);
  curY = get_scroll_pos_y(hwndRichEdit);
  ok(prevY == curY, "%d != %d\n", prevY, curY);

  /* Caret still in visible window */
  line_scroll(hwndRichEdit, -1);
  prevY = get_scroll_pos_y(hwndRichEdit);
  SendMessage(hwndRichEdit, EM_SCROLLCARET, 0, 0);
  curY = get_scroll_pos_y(hwndRichEdit);
  ok(prevY == curY, "%d != %d\n", prevY, curY);

  DestroyWindow(hwndRichEdit);
}

static void test_EM_SETCHARFORMAT(void)
{
  HWND hwndRichEdit = new_richedit(NULL);
  CHARFORMAT2 cf2;
  int rc = 0;

  /* Invalid flags, CHARFORMAT2 structure blanked out */
  memset(&cf2, 0, sizeof(cf2));
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) 0xfffffff0,
             (LPARAM) &cf2);
  ok(rc == 0, "EM_SETCHARFORMAT returned %d instead of 0\n", rc);

  /* A valid flag, CHARFORMAT2 structure blanked out */
  memset(&cf2, 0, sizeof(cf2));
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_DEFAULT,
             (LPARAM) &cf2);
  ok(rc == 0, "EM_SETCHARFORMAT returned %d instead of 0\n", rc);

  /* A valid flag, CHARFORMAT2 structure blanked out */
  memset(&cf2, 0, sizeof(cf2));
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_SELECTION,
             (LPARAM) &cf2);
  ok(rc == 0, "EM_SETCHARFORMAT returned %d instead of 0\n", rc);

  /* A valid flag, CHARFORMAT2 structure blanked out */
  memset(&cf2, 0, sizeof(cf2));
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_WORD,
             (LPARAM) &cf2);
  ok(rc == 0, "EM_SETCHARFORMAT returned %d instead of 0\n", rc);

  /* A valid flag, CHARFORMAT2 structure blanked out */
  memset(&cf2, 0, sizeof(cf2));
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_ALL,
             (LPARAM) &cf2);
  ok(rc == 0, "EM_SETCHARFORMAT returned %d instead of 0\n", rc);

  /* Invalid flags, CHARFORMAT2 structure minimally filled */
  memset(&cf2, 0, sizeof(cf2));
  cf2.cbSize = sizeof(CHARFORMAT2);
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) 0xfffffff0,
             (LPARAM) &cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);

  /* A valid flag, CHARFORMAT2 structure minimally filled */
  memset(&cf2, 0, sizeof(cf2));
  cf2.cbSize = sizeof(CHARFORMAT2);
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_DEFAULT,
             (LPARAM) &cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);

  /* A valid flag, CHARFORMAT2 structure minimally filled */
  memset(&cf2, 0, sizeof(cf2));
  cf2.cbSize = sizeof(CHARFORMAT2);
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_SELECTION,
             (LPARAM) &cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);

  /* A valid flag, CHARFORMAT2 structure minimally filled */
  memset(&cf2, 0, sizeof(cf2));
  cf2.cbSize = sizeof(CHARFORMAT2);
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_WORD,
             (LPARAM) &cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);

  /* A valid flag, CHARFORMAT2 structure minimally filled */
  memset(&cf2, 0, sizeof(cf2));
  cf2.cbSize = sizeof(CHARFORMAT2);
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_ALL,
             (LPARAM) &cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);

  cf2.cbSize = sizeof(CHARFORMAT2);
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_DEFAULT,
             (LPARAM) &cf2);

  /* Test state of modify flag before and after valid EM_SETCHARFORMAT */
  cf2.cbSize = sizeof(CHARFORMAT2);
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_DEFAULT,
             (LPARAM) &cf2);
  cf2.dwMask = CFM_ITALIC | cf2.dwMask;
  cf2.dwEffects = CFE_ITALIC ^ cf2.dwEffects;

  /* wParam==0 is default char format, does not set modify */
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
  rc = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok(rc == 0, "Text marked as modified, expected not modified!\n");
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, 0, (LPARAM) &cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);
  rc = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok(rc == 0, "Text marked as modified, expected not modified!\n");

  /* wParam==SCF_SELECTION sets modify if nonempty selection */
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
  rc = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok(rc == 0, "Text marked as modified, expected not modified!\n");
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM) &cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);
  rc = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok(rc == 0, "Text marked as modified, expected not modified!\n");

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)"wine");
  rc = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok(rc == 0, "Text marked as modified, expected not modified!\n");
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM) &cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);
  rc = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok(rc == 0, "Text marked as modified, expected not modified!\n");
  SendMessage(hwndRichEdit, EM_SETSEL, 0, 2);
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM) &cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);
  rc = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok(rc == -1, "Text not marked as modified, expected modified! (%d)\n", rc);

  /* wParam==SCF_ALL sets modify regardless of whether text is present */
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
  rc = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok(rc == 0, "Text marked as modified, expected not modified!\n");
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_ALL, (LPARAM) &cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);
  rc = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok(rc == -1, "Text not marked as modified, expected modified! (%d)\n", rc);

  DestroyWindow(hwndRichEdit);
}

static void test_EM_SETTEXTMODE(void)
{
  HWND hwndRichEdit = new_richedit(NULL);
  CHARFORMAT2 cf2, cf2test;
  CHARRANGE cr;
  int rc = 0;

  /*Test that EM_SETTEXTMODE fails if text exists within the control*/
  /*Insert text into the control*/

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "wine");

  /*Attempt to change the control to plain text mode*/
  rc = SendMessage(hwndRichEdit, EM_SETTEXTMODE, (WPARAM) TM_PLAINTEXT, 0);
  ok(rc != 0, "EM_SETTEXTMODE: changed text mode in control containing text - returned: %d\n", rc);

  /*Test that EM_SETTEXTMODE does not allow rich edit text to be pasted.
  If rich text is pasted, it should have the same formatting as the rest
  of the text in the control*/

  /*Italicize the text
  *NOTE: If the default text was already italicized, the test will simply
  reverse; in other words, it will copy a regular "wine" into a plain
  text window that uses an italicized format*/
  cf2.cbSize = sizeof(CHARFORMAT2);
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_DEFAULT,
             (LPARAM) &cf2);

  cf2.dwMask = CFM_ITALIC | cf2.dwMask;
  cf2.dwEffects = CFE_ITALIC ^ cf2.dwEffects;

  rc = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok(rc == 0, "Text marked as modified, expected not modified!\n");

  /*EM_SETCHARFORMAT is not yet fully implemented for all WPARAMs in wine;
  however, SCF_ALL has been implemented*/
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_ALL, (LPARAM) &cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);

  rc = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok(rc == -1, "Text not marked as modified, expected modified! (%d)\n", rc);

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "wine");

  /*Select the string "wine"*/
  cr.cpMin = 0;
  cr.cpMax = 4;
  SendMessage(hwndRichEdit, EM_EXSETSEL, 0, (LPARAM) &cr);

  /*Copy the italicized "wine" to the clipboard*/
  SendMessage(hwndRichEdit, WM_COPY, 0, 0);

  /*Reset the formatting to default*/
  cf2.dwEffects = CFE_ITALIC^cf2.dwEffects;
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_ALL, (LPARAM) &cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);

  /*Clear the text in the control*/
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "");

  /*Switch to Plain Text Mode*/
  rc = SendMessage(hwndRichEdit, EM_SETTEXTMODE, (WPARAM) TM_PLAINTEXT, 0);
  ok(rc == 0, "EM_SETTEXTMODE: unable to switch to plain text mode with empty control:  returned: %d\n", rc);

  /*Input "wine" again in normal format*/
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "wine");

  /*Paste the italicized "wine" into the control*/
  SendMessage(hwndRichEdit, WM_PASTE, 0, 0);

  /*Select a character from the first "wine" string*/
  cr.cpMin = 2;
  cr.cpMax = 3;
  SendMessage(hwndRichEdit, EM_EXSETSEL, 0, (LPARAM) &cr);

  /*Retrieve its formatting*/
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_SELECTION,
              (LPARAM) &cf2);

  /*Select a character from the second "wine" string*/
  cr.cpMin = 5;
  cr.cpMax = 6;
  SendMessage(hwndRichEdit, EM_EXSETSEL, 0, (LPARAM) &cr);

  /*Retrieve its formatting*/
  cf2test.cbSize = sizeof(CHARFORMAT2);
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_SELECTION,
               (LPARAM) &cf2test);

  /*Compare the two formattings*/
    ok((cf2.dwMask == cf2test.dwMask) && (cf2.dwEffects == cf2test.dwEffects),
      "two formats found in plain text mode - cf2.dwEffects: %x cf2test.dwEffects: %x\n",
       cf2.dwEffects, cf2test.dwEffects);
  /*Test TM_RICHTEXT by: switching back to Rich Text mode
                         printing "wine" in the current format(normal)
                         pasting "wine" from the clipboard(italicized)
                         comparing the two formats(should differ)*/

  /*Attempt to switch with text in control*/
  rc = SendMessage(hwndRichEdit, EM_SETTEXTMODE, (WPARAM) TM_RICHTEXT, 0);
  ok(rc != 0, "EM_SETTEXTMODE: changed from plain text to rich text with text in control - returned: %d\n", rc);

  /*Clear control*/
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "");

  /*Switch into Rich Text mode*/
  rc = SendMessage(hwndRichEdit, EM_SETTEXTMODE, (WPARAM) TM_RICHTEXT, 0);
  ok(rc == 0, "EM_SETTEXTMODE: unable to change to rich text with empty control - returned: %d\n", rc);

  /*Print "wine" in normal formatting into the control*/
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "wine");

  /*Paste italicized "wine" into the control*/
  SendMessage(hwndRichEdit, WM_PASTE, 0, 0);

  /*Select text from the first "wine" string*/
  cr.cpMin = 1;
  cr.cpMax = 3;
  SendMessage(hwndRichEdit, EM_EXSETSEL, 0, (LPARAM) &cr);

  /*Retrieve its formatting*/
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_SELECTION,
                (LPARAM) &cf2);

  /*Select text from the second "wine" string*/
  cr.cpMin = 6;
  cr.cpMax = 7;
  SendMessage(hwndRichEdit, EM_EXSETSEL, 0, (LPARAM) &cr);

  /*Retrieve its formatting*/
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_SELECTION,
                (LPARAM) &cf2test);

  /*Test that the two formattings are not the same*/
  todo_wine ok((cf2.dwMask == cf2test.dwMask) && (cf2.dwEffects != cf2test.dwEffects),
      "expected different formats - cf2.dwMask: %x, cf2test.dwMask: %x, cf2.dwEffects: %x, cf2test.dwEffects: %x\n",
      cf2.dwMask, cf2test.dwMask, cf2.dwEffects, cf2test.dwEffects);

  DestroyWindow(hwndRichEdit);
}

static void test_TM_PLAINTEXT(void)
{
  /*Tests plain text properties*/

  HWND hwndRichEdit = new_richedit(NULL);
  CHARFORMAT2 cf2, cf2test;
  CHARRANGE cr;
  int rc = 0;

  /*Switch to plain text mode*/

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "");
  SendMessage(hwndRichEdit, EM_SETTEXTMODE, TM_PLAINTEXT, 0);

  /*Fill control with text*/

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "Is Wine an emulator? No it's not");

  /*Select some text and bold it*/

  cr.cpMin = 10;
  cr.cpMax = 20;
  SendMessage(hwndRichEdit, EM_EXSETSEL, 0, (LPARAM) &cr);
  cf2.cbSize = sizeof(CHARFORMAT2);
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_DEFAULT,
	      (LPARAM) &cf2);

  cf2.dwMask = CFM_BOLD | cf2.dwMask;
  cf2.dwEffects = CFE_BOLD ^ cf2.dwEffects;

  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_SELECTION, (LPARAM) &cf2);
  ok(rc == 0, "EM_SETCHARFORMAT returned %d instead of 0\n", rc);

  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_WORD | SCF_SELECTION, (LPARAM) &cf2);
  ok(rc == 0, "EM_SETCHARFORMAT returned %d instead of 0\n", rc);

  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_ALL, (LPARAM)&cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);

  /*Get the formatting of those characters*/

  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_SELECTION, (LPARAM) &cf2);

  /*Get the formatting of some other characters*/
  cf2test.cbSize = sizeof(CHARFORMAT2);
  cr.cpMin = 21;
  cr.cpMax = 30;
  SendMessage(hwndRichEdit, EM_EXSETSEL, 0, (LPARAM) &cr);
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_SELECTION, (LPARAM) &cf2test);

  /*Test that they are the same as plain text allows only one formatting*/

  ok((cf2.dwMask == cf2test.dwMask) && (cf2.dwEffects == cf2test.dwEffects),
     "two selections' formats differ - cf2.dwMask: %x, cf2test.dwMask %x, cf2.dwEffects: %x, cf2test.dwEffects: %x\n",
     cf2.dwMask, cf2test.dwMask, cf2.dwEffects, cf2test.dwEffects);
  
  /*Fill the control with a "wine" string, which when inserted will be bold*/

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "wine");

  /*Copy the bolded "wine" string*/

  cr.cpMin = 0;
  cr.cpMax = 4;
  SendMessage(hwndRichEdit, EM_EXSETSEL, 0, (LPARAM) &cr);
  SendMessage(hwndRichEdit, WM_COPY, 0, 0);

  /*Swap back to rich text*/

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "");
  SendMessage(hwndRichEdit, EM_SETTEXTMODE, (WPARAM) TM_RICHTEXT, 0);

  /*Set the default formatting to bold italics*/

  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_DEFAULT, (LPARAM) &cf2);
  cf2.dwMask |= CFM_ITALIC;
  cf2.dwEffects ^= CFE_ITALIC;
  rc = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_ALL, (LPARAM) &cf2);
  ok(rc == 1, "EM_SETCHARFORMAT returned %d instead of 1\n", rc);

  /*Set the text in the control to "wine", which will be bold and italicized*/

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "wine");

  /*Paste the plain text "wine" string, which should take the insert
   formatting, which at the moment is bold italics*/

  SendMessage(hwndRichEdit, WM_PASTE, 0, 0);

  /*Select the first "wine" string and retrieve its formatting*/

  cr.cpMin = 1;
  cr.cpMax = 3;
  SendMessage(hwndRichEdit, EM_EXSETSEL, 0, (LPARAM) &cr);
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_SELECTION, (LPARAM) &cf2);

  /*Select the second "wine" string and retrieve its formatting*/

  cr.cpMin = 5;
  cr.cpMax = 7;
  SendMessage(hwndRichEdit, EM_EXSETSEL, 0, (LPARAM) &cr);
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_SELECTION, (LPARAM) &cf2test);

  /*Compare the two formattings. They should be the same.*/

  ok((cf2.dwMask == cf2test.dwMask) && (cf2.dwEffects == cf2test.dwEffects),
     "Copied text retained formatting - cf2.dwMask: %x, cf2test.dwMask: %x, cf2.dwEffects: %x, cf2test.dwEffects: %x\n",
     cf2.dwMask, cf2test.dwMask, cf2.dwEffects, cf2test.dwEffects);
  DestroyWindow(hwndRichEdit);
}

static void test_WM_GETTEXT(void)
{
    HWND hwndRichEdit = new_richedit(NULL);
    static const char text[] = "Hello. My name is RichEdit!";
    static const char text2[] = "Hello. My name is RichEdit!\r";
    static const char text2_after[] = "Hello. My name is RichEdit!\r\n";
    char buffer[1024] = {0};
    int result;

    /* Baseline test with normal-sized buffer */
    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) text);
    result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    ok(result == lstrlen(buffer),
        "WM_GETTEXT returned %d, expected %d\n", result, lstrlen(buffer));
    SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    result = strcmp(buffer,text);
    ok(result == 0, 
        "WM_GETTEXT: settext and gettext differ. strcmp: %d\n", result);

    /* Test for returned value of WM_GETTEXTLENGTH */
    result = SendMessage(hwndRichEdit, WM_GETTEXTLENGTH, 0, 0);
    ok(result == lstrlen(text),
        "WM_GETTEXTLENGTH reports incorrect length %d, expected %d\n",
        result, lstrlen(text));

    /* Test for behavior in overflow case */
    memset(buffer, 0, 1024);
    result = SendMessage(hwndRichEdit, WM_GETTEXT, strlen(text), (LPARAM)buffer);
    ok(result == 0 ||
       result == lstrlenA(text) - 1, /* XP, win2k3 */
        "WM_GETTEXT returned %d, expected 0 or %d\n", result, lstrlenA(text) - 1);
    result = strcmp(buffer,text);
    if (result)
        result = strncmp(buffer, text, lstrlenA(text) - 1); /* XP, win2k3 */
    ok(result == 0,
        "WM_GETTEXT: settext and gettext differ. strcmp: %d\n", result);

    /* Baseline test with normal-sized buffer and carriage return */
    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) text2);
    result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    ok(result == lstrlen(buffer),
        "WM_GETTEXT returned %d, expected %d\n", result, lstrlen(buffer));
    result = strcmp(buffer,text2_after);
    ok(result == 0,
        "WM_GETTEXT: settext and gettext differ. strcmp: %d\n", result);

    /* Test for returned value of WM_GETTEXTLENGTH */
    result = SendMessage(hwndRichEdit, WM_GETTEXTLENGTH, 0, 0);
    ok(result == lstrlen(text2_after),
        "WM_GETTEXTLENGTH reports incorrect length %d, expected %d\n",
        result, lstrlen(text2_after));

    /* Test for behavior of CRLF conversion in case of overflow */
    memset(buffer, 0, 1024);
    result = SendMessage(hwndRichEdit, WM_GETTEXT, strlen(text2), (LPARAM)buffer);
    ok(result == 0 ||
       result == lstrlenA(text2) - 1, /* XP, win2k3 */
        "WM_GETTEXT returned %d, expected 0 or %d\n", result, lstrlenA(text2) - 1);
    result = strcmp(buffer,text2);
    if (result)
        result = strncmp(buffer, text2, lstrlenA(text2) - 1); /* XP, win2k3 */
    ok(result == 0,
        "WM_GETTEXT: settext and gettext differ. strcmp: %d\n", result);

    DestroyWindow(hwndRichEdit);
}

static void test_EM_GETTEXTRANGE(void)
{
    HWND hwndRichEdit = new_richedit(NULL);
    const char * text1 = "foo bar\r\nfoo bar";
    const char * text2 = "foo bar\rfoo bar";
    const char * expect = "bar\rfoo";
    char buffer[1024] = {0};
    LRESULT result;
    TEXTRANGEA textRange;

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)text1);

    textRange.lpstrText = buffer;
    textRange.chrg.cpMin = 4;
    textRange.chrg.cpMax = 11;
    result = SendMessage(hwndRichEdit, EM_GETTEXTRANGE, 0, (LPARAM)&textRange);
    ok(result == 7, "EM_GETTEXTRANGE returned %ld\n", result);
    ok(!strcmp(expect, buffer), "EM_GETTEXTRANGE filled %s\n", buffer);

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)text2);

    textRange.lpstrText = buffer;
    textRange.chrg.cpMin = 4;
    textRange.chrg.cpMax = 11;
    result = SendMessage(hwndRichEdit, EM_GETTEXTRANGE, 0, (LPARAM)&textRange);
    ok(result == 7, "EM_GETTEXTRANGE returned %ld\n", result);
    ok(!strcmp(expect, buffer), "EM_GETTEXTRANGE filled %s\n", buffer);

    DestroyWindow(hwndRichEdit);
}

static void test_EM_GETSELTEXT(void)
{
    HWND hwndRichEdit = new_richedit(NULL);
    const char * text1 = "foo bar\r\nfoo bar";
    const char * text2 = "foo bar\rfoo bar";
    const char * expect = "bar\rfoo";
    char buffer[1024] = {0};
    LRESULT result;

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)text1);

    SendMessage(hwndRichEdit, EM_SETSEL, 4, 11);
    result = SendMessage(hwndRichEdit, EM_GETSELTEXT, 0, (LPARAM)buffer);
    ok(result == 7, "EM_GETTEXTRANGE returned %ld\n", result);
    ok(!strcmp(expect, buffer), "EM_GETTEXTRANGE filled %s\n", buffer);

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)text2);

    SendMessage(hwndRichEdit, EM_SETSEL, 4, 11);
    result = SendMessage(hwndRichEdit, EM_GETSELTEXT, 0, (LPARAM)buffer);
    ok(result == 7, "EM_GETTEXTRANGE returned %ld\n", result);
    ok(!strcmp(expect, buffer), "EM_GETTEXTRANGE filled %s\n", buffer);

    DestroyWindow(hwndRichEdit);
}

/* FIXME: need to test unimplemented options and robustly test wparam */
static void test_EM_SETOPTIONS(void)
{
    HWND hwndRichEdit = new_richedit(NULL);
    static const char text[] = "Hello. My name is RichEdit!";
    char buffer[1024] = {0};

    /* NEGATIVE TESTING - NO OPTIONS SET */
    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) text);
    SendMessage(hwndRichEdit, EM_SETOPTIONS, ECOOP_SET, 0);

    /* testing no readonly by sending 'a' to the control*/
    SetFocus(hwndRichEdit);
    SendMessage(hwndRichEdit, WM_CHAR, 'a', 0x1E0001);
    SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    ok(buffer[0]=='a', 
       "EM_SETOPTIONS: Text not changed! s1:%s s2:%s\n", text, buffer);
    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) text);

    /* READONLY - sending 'a' to the control */
    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) text);
    SendMessage(hwndRichEdit, EM_SETOPTIONS, ECOOP_SET, ECO_READONLY);
    SetFocus(hwndRichEdit);
    SendMessage(hwndRichEdit, WM_CHAR, 'a', 0x1E0001);
    SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    ok(buffer[0]==text[0], 
       "EM_SETOPTIONS: Text changed! s1:%s s2:%s\n", text, buffer); 

    DestroyWindow(hwndRichEdit);
}

static void check_CFE_LINK_rcvd(HWND hwnd, int is_url, const char * url)
{
  CHARFORMAT2W text_format;
  int link_present = 0;
  text_format.cbSize = sizeof(text_format);
  SendMessage(hwnd, EM_SETSEL, 0, 1);
  SendMessage(hwnd, EM_GETCHARFORMAT, SCF_SELECTION, (LPARAM) &text_format);
  link_present = text_format.dwEffects & CFE_LINK;
  if (is_url) 
  { /* control text is url; should get CFE_LINK */
	ok(0 != link_present, "URL Case: CFE_LINK not set for [%s].\n", url);
  }
  else 
  {
    ok(0 == link_present, "Non-URL Case: CFE_LINK set for [%s].\n", url);
  }
}

static HWND new_static_wnd(HWND parent) {
  return new_window("Static", 0, parent);
}

static void test_EM_AUTOURLDETECT(void)
{
  struct urls_s {
    const char *text;
    int is_url;
  } urls[12] = {
    {"winehq.org", 0},
    {"http://www.winehq.org", 1},
    {"http//winehq.org", 0},
    {"ww.winehq.org", 0},
    {"www.winehq.org", 1},
    {"ftp://192.168.1.1", 1},
    {"ftp//192.168.1.1", 0},
    {"mailto:your@email.com", 1},    
    {"prospero:prosperoserver", 1},
    {"telnet:test", 1},
    {"news:newserver", 1},
    {"wais:waisserver", 1}  
  };

  int i;
  int urlRet=-1;
  HWND hwndRichEdit, parent;

  parent = new_static_wnd(NULL);
  hwndRichEdit = new_richedit(parent);
  /* Try and pass EM_AUTOURLDETECT some test wParam values */
  urlRet=SendMessage(hwndRichEdit, EM_AUTOURLDETECT, FALSE, 0);
  ok(urlRet==0, "Good wParam: urlRet is: %d\n", urlRet);
  urlRet=SendMessage(hwndRichEdit, EM_AUTOURLDETECT, 1, 0);
  ok(urlRet==0, "Good wParam2: urlRet is: %d\n", urlRet);
  /* Windows returns -2147024809 (0x80070057) on bad wParam values */
  urlRet=SendMessage(hwndRichEdit, EM_AUTOURLDETECT, 8, 0);
  ok(urlRet==E_INVALIDARG, "Bad wParam: urlRet is: %d\n", urlRet);
  urlRet=SendMessage(hwndRichEdit, EM_AUTOURLDETECT, (WPARAM)"h", (LPARAM)"h");
  ok(urlRet==E_INVALIDARG, "Bad wParam2: urlRet is: %d\n", urlRet);
  /* for each url, check the text to see if CFE_LINK effect is present */
  for (i = 0; i < sizeof(urls)/sizeof(struct urls_s); i++) {
    SendMessage(hwndRichEdit, EM_AUTOURLDETECT, FALSE, 0);
    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) urls[i].text);
    SendMessage(hwndRichEdit, WM_CHAR, 0, 0);
    check_CFE_LINK_rcvd(hwndRichEdit, 0, urls[i].text);
    SendMessage(hwndRichEdit, EM_AUTOURLDETECT, TRUE, 0);
    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) urls[i].text);
    SendMessage(hwndRichEdit, WM_CHAR, 0, 0);
    check_CFE_LINK_rcvd(hwndRichEdit, urls[i].is_url, urls[i].text);
  }
  DestroyWindow(hwndRichEdit);
  DestroyWindow(parent);
}

static void test_EM_SCROLL(void)
{
  int i, j;
  int r; /* return value */
  int expr; /* expected return value */
  HWND hwndRichEdit = new_richedit(NULL);
  int y_before, y_after; /* units of lines of text */

  /* test a richedit box containing a single line of text */
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "a");/* one line of text */
  expr = 0x00010000;
  for (i = 0; i < 4; i++) {
    static const int cmd[4] = { SB_PAGEDOWN, SB_PAGEUP, SB_LINEDOWN, SB_LINEUP };

    r = SendMessage(hwndRichEdit, EM_SCROLL, cmd[i], 0);
    y_after = SendMessage(hwndRichEdit, EM_GETFIRSTVISIBLELINE, 0, 0);
    ok(expr == r, "EM_SCROLL improper return value returned (i == %d). "
       "Got 0x%08x, expected 0x%08x\n", i, r, expr);
    ok(y_after == 0, "EM_SCROLL improper scroll. scrolled to line %d, not 1 "
       "(i == %d)\n", y_after, i);
  }

  /*
   * test a richedit box that will scroll. There are two general
   * cases: the case without any long lines and the case with a long
   * line.
   */
  for (i = 0; i < 2; i++) { /* iterate through different bodies of text */
    if (i == 0)
      SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "a\nb\nc\nd\ne");
    else
      SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)
                  "a LONG LINE LONG LINE LONG LINE LONG LINE LONG LINE "
                  "LONG LINE LONG LINE LONG LINE LONG LINE LONG LINE "
                  "LONG LINE \nb\nc\nd\ne");
    for (j = 0; j < 12; j++) /* reset scroll position to top */
      SendMessage(hwndRichEdit, EM_SCROLL, SB_PAGEUP, 0);

    /* get first visible line */
    y_before = SendMessage(hwndRichEdit, EM_GETFIRSTVISIBLELINE, 0, 0);
    r = SendMessage(hwndRichEdit, EM_SCROLL, SB_PAGEDOWN, 0); /* page down */

    /* get new current first visible line */
    y_after = SendMessage(hwndRichEdit, EM_GETFIRSTVISIBLELINE, 0, 0);

    ok(((r & 0xffffff00) == 0x00010000) &&
       ((r & 0x000000ff) != 0x00000000),
       "EM_SCROLL page down didn't scroll by a small positive number of "
       "lines (r == 0x%08x)\n", r);
    ok(y_after > y_before, "EM_SCROLL page down not functioning "
       "(line %d scrolled to line %d\n", y_before, y_after);

    y_before = y_after;
    
    r = SendMessage(hwndRichEdit, EM_SCROLL, SB_PAGEUP, 0); /* page up */
    y_after = SendMessage(hwndRichEdit, EM_GETFIRSTVISIBLELINE, 0, 0);
    ok(((r & 0xffffff00) == 0x0001ff00),
       "EM_SCROLL page up didn't scroll by a small negative number of lines "
       "(r == 0x%08x)\n", r);
    ok(y_after < y_before, "EM_SCROLL page up not functioning (line "
       "%d scrolled to line %d\n", y_before, y_after);
    
    y_before = y_after;

    r = SendMessage(hwndRichEdit, EM_SCROLL, SB_LINEDOWN, 0); /* line down */

    y_after = SendMessage(hwndRichEdit, EM_GETFIRSTVISIBLELINE, 0, 0);

    ok(r == 0x00010001, "EM_SCROLL line down didn't scroll by one line "
       "(r == 0x%08x)\n", r);
    ok(y_after -1 == y_before, "EM_SCROLL line down didn't go down by "
       "1 line (%d scrolled to %d)\n", y_before, y_after);

    y_before = y_after;

    r = SendMessage(hwndRichEdit, EM_SCROLL, SB_LINEUP, 0); /* line up */

    y_after = SendMessage(hwndRichEdit, EM_GETFIRSTVISIBLELINE, 0, 0);

    ok(r == 0x0001ffff, "EM_SCROLL line up didn't scroll by one line "
       "(r == 0x%08x)\n", r);
    ok(y_after +1 == y_before, "EM_SCROLL line up didn't go up by 1 "
       "line (%d scrolled to %d)\n", y_before, y_after);

    y_before = y_after;

    r = SendMessage(hwndRichEdit, EM_SCROLL,
                    SB_LINEUP, 0); /* lineup beyond top */

    y_after = SendMessage(hwndRichEdit, EM_GETFIRSTVISIBLELINE, 0, 0);

    ok(r == 0x00010000,
       "EM_SCROLL line up returned indicating movement (0x%08x)\n", r);
    ok(y_before == y_after,
       "EM_SCROLL line up beyond top worked (%d)\n", y_after);

    y_before = y_after;

    r = SendMessage(hwndRichEdit, EM_SCROLL,
                    SB_PAGEUP, 0);/*page up beyond top */

    y_after = SendMessage(hwndRichEdit, EM_GETFIRSTVISIBLELINE, 0, 0);

    ok(r == 0x00010000,
       "EM_SCROLL page up returned indicating movement (0x%08x)\n", r);
    ok(y_before == y_after,
       "EM_SCROLL page up beyond top worked (%d)\n", y_after);

    for (j = 0; j < 12; j++) /* page down all the way to the bottom */
      SendMessage(hwndRichEdit, EM_SCROLL, SB_PAGEDOWN, 0);
    y_before = SendMessage(hwndRichEdit, EM_GETFIRSTVISIBLELINE, 0, 0);
    r = SendMessage(hwndRichEdit, EM_SCROLL,
                    SB_PAGEDOWN, 0); /* page down beyond bot */
    y_after = SendMessage(hwndRichEdit, EM_GETFIRSTVISIBLELINE, 0, 0);

    ok(r == 0x00010000,
       "EM_SCROLL page down returned indicating movement (0x%08x)\n", r);
    ok(y_before == y_after,
       "EM_SCROLL page down beyond bottom worked (%d -> %d)\n",
       y_before, y_after);

    y_before = SendMessage(hwndRichEdit, EM_GETFIRSTVISIBLELINE, 0, 0);
    SendMessage(hwndRichEdit, EM_SCROLL,
                SB_LINEDOWN, 0); /* line down beyond bot */
    y_after = SendMessage(hwndRichEdit, EM_GETFIRSTVISIBLELINE, 0, 0);
    
    ok(r == 0x00010000,
       "EM_SCROLL line down returned indicating movement (0x%08x)\n", r);
    ok(y_before == y_after,
       "EM_SCROLL line down beyond bottom worked (%d -> %d)\n",
       y_before, y_after);
  }
  DestroyWindow(hwndRichEdit);
}

static void test_EM_SETUNDOLIMIT(void)
{
  /* cases we test for:
   * default behaviour - limiting at 100 undo's 
   * undo disabled - setting a limit of 0
   * undo limited -  undo limit set to some to some number, like 2
   * bad input - sending a negative number should default to 100 undo's */
 
  HWND hwndRichEdit = new_richedit(NULL);
  CHARRANGE cr;
  int i;
  int result;
  
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "x");
  cr.cpMin = 0;
  cr.cpMax = 1;
  SendMessage(hwndRichEdit, WM_COPY, 0, 0);
    /*Load "x" into the clipboard. Paste is an easy, undo'able operation.
      also, multiple pastes don't combine like WM_CHAR would */
  SendMessage(hwndRichEdit, EM_EXSETSEL, 0, (LPARAM) &cr);

  /* first case - check the default */
  SendMessage(hwndRichEdit,EM_EMPTYUNDOBUFFER, 0,0); 
  for (i=0; i<101; i++) /* Put 101 undo's on the stack */
    SendMessage(hwndRichEdit, WM_PASTE, 0, 0); 
  for (i=0; i<100; i++) /* Undo 100 of them */
    SendMessage(hwndRichEdit, WM_UNDO, 0, 0); 
  ok(!SendMessage(hwndRichEdit, EM_CANUNDO, 0, 0),
     "EM_SETUNDOLIMIT allowed more than a hundred undo's by default.\n");

  /* second case - cannot undo */
  SendMessage(hwndRichEdit,EM_EMPTYUNDOBUFFER, 0, 0); 
  SendMessage(hwndRichEdit, EM_SETUNDOLIMIT, 0, 0); 
  SendMessage(hwndRichEdit,
              WM_PASTE, 0, 0); /* Try to put something in the undo stack */
  ok(!SendMessage(hwndRichEdit, EM_CANUNDO, 0, 0),
     "EM_SETUNDOLIMIT allowed undo with UNDOLIMIT set to 0\n");

  /* third case - set it to an arbitrary number */
  SendMessage(hwndRichEdit,EM_EMPTYUNDOBUFFER, 0, 0); 
  SendMessage(hwndRichEdit, EM_SETUNDOLIMIT, 2, 0); 
  SendMessage(hwndRichEdit, WM_PASTE, 0, 0);
  SendMessage(hwndRichEdit, WM_PASTE, 0, 0);
  SendMessage(hwndRichEdit, WM_PASTE, 0, 0); 
  /* If SETUNDOLIMIT is working, there should only be two undo's after this */
  ok(SendMessage(hwndRichEdit, EM_CANUNDO, 0,0),
     "EM_SETUNDOLIMIT didn't allow the first undo with UNDOLIMIT set to 2\n");
  SendMessage(hwndRichEdit, WM_UNDO, 0, 0);
  ok(SendMessage(hwndRichEdit, EM_CANUNDO, 0, 0),
     "EM_SETUNDOLIMIT didn't allow a second undo with UNDOLIMIT set to 2\n");
  SendMessage(hwndRichEdit, WM_UNDO, 0, 0); 
  ok(!SendMessage(hwndRichEdit, EM_CANUNDO, 0, 0),
     "EM_SETUNDOLIMIT allowed a third undo with UNDOLIMIT set to 2\n");
  
  /* fourth case - setting negative numbers should default to 100 undos */
  SendMessage(hwndRichEdit,EM_EMPTYUNDOBUFFER, 0,0); 
  result = SendMessage(hwndRichEdit, EM_SETUNDOLIMIT, -1, 0);
  ok (result == 100, 
      "EM_SETUNDOLIMIT returned %d when set to -1, instead of 100\n",result);
      
  DestroyWindow(hwndRichEdit);
}

static void test_ES_PASSWORD(void)
{
  /* This isn't hugely testable, so we're just going to run it through its paces */

  HWND hwndRichEdit = new_richedit(NULL);
  WCHAR result;

  /* First, check the default of a regular control */
  result = SendMessage(hwndRichEdit, EM_GETPASSWORDCHAR, 0, 0);
  ok (result == 0,
	"EM_GETPASSWORDCHAR returned %c by default, instead of NULL\n",result);

  /* Now, set it to something normal */
  SendMessage(hwndRichEdit, EM_SETPASSWORDCHAR, 'x', 0);
  result = SendMessage(hwndRichEdit, EM_GETPASSWORDCHAR, 0, 0);
  ok (result == 120,
	"EM_GETPASSWORDCHAR returned %c (%d) when set to 'x', instead of x (120)\n",result,result);

  /* Now, set it to something odd */
  SendMessage(hwndRichEdit, EM_SETPASSWORDCHAR, (WCHAR)1234, 0);
  result = SendMessage(hwndRichEdit, EM_GETPASSWORDCHAR, 0, 0);
  ok (result == 1234,
	"EM_GETPASSWORDCHAR returned %c (%d) when set to 'x', instead of x (120)\n",result,result);
  DestroyWindow(hwndRichEdit);
}

static DWORD CALLBACK test_WM_SETTEXT_esCallback(DWORD_PTR dwCookie,
                                         LPBYTE pbBuff,
                                         LONG cb,
                                         LONG *pcb)
{
  char** str = (char**)dwCookie;
  *pcb = cb;
  if (*pcb > 0) {
    memcpy(*str, pbBuff, *pcb);
    *str += *pcb;
  }
  return 0;
}

static void test_WM_SETTEXT()
{
  HWND hwndRichEdit = new_richedit(NULL);
  const char * TestItem1 = "TestSomeText";
  const char * TestItem2 = "TestSomeText\r";
  const char * TestItem2_after = "TestSomeText\r\n";
  const char * TestItem3 = "TestSomeText\rSomeMoreText\r";
  const char * TestItem3_after = "TestSomeText\r\nSomeMoreText\r\n";
  const char * TestItem4 = "TestSomeText\n\nTestSomeText";
  const char * TestItem4_after = "TestSomeText\r\n\r\nTestSomeText";
  const char * TestItem5 = "TestSomeText\r\r\nTestSomeText";
  const char * TestItem5_after = "TestSomeText TestSomeText";
  const char * TestItem6 = "TestSomeText\r\r\n\rTestSomeText";
  const char * TestItem6_after = "TestSomeText \r\nTestSomeText";
  const char * TestItem7 = "TestSomeText\r\n\r\r\n\rTestSomeText";
  const char * TestItem7_after = "TestSomeText\r\n \r\nTestSomeText";

  char buf[1024] = {0};
  LRESULT result;
  EDITSTREAM es;
  char * p;

  /* This test attempts to show that WM_SETTEXT on a riched20 control causes
     any solitary \r to be converted to \r\n on return. Properly paired
     \r\n are not affected. It also shows that the special sequence \r\r\n
     gets converted to a single space.
   */

#define TEST_SETTEXT(a, b) \
  result = SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) a); \
  ok (result == 1, "WM_SETTEXT returned %ld instead of 1\n", result); \
  result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buf); \
  ok (result == lstrlen(buf), \
	"WM_GETTEXT returned %ld instead of expected %u\n", \
	result, lstrlen(buf)); \
  result = strcmp(b, buf); \
  ok(result == 0, \
        "WM_SETTEXT round trip: strcmp = %ld\n", result);

  TEST_SETTEXT(TestItem1, TestItem1)
  TEST_SETTEXT(TestItem2, TestItem2_after)
  TEST_SETTEXT(TestItem3, TestItem3_after)
  TEST_SETTEXT(TestItem3_after, TestItem3_after)
  TEST_SETTEXT(TestItem4, TestItem4_after)
  TEST_SETTEXT(TestItem5, TestItem5_after)
  TEST_SETTEXT(TestItem6, TestItem6_after)
  TEST_SETTEXT(TestItem7, TestItem7_after)

  /* The following test demonstrates that WM_SETTEXT supports RTF strings */
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) TestItem1);
  p = buf;
  es.dwCookie = (DWORD_PTR)&p;
  es.dwError = 0;
  es.pfnCallback = test_WM_SETTEXT_esCallback;
  memset(buf, 0, sizeof(buf));
  SendMessage(hwndRichEdit, EM_STREAMOUT,
              (WPARAM)(SF_RTF), (LPARAM)&es);
  trace("EM_STREAMOUT produced: \n%s\n", buf);
  TEST_SETTEXT(buf, TestItem1)

#undef TEST_SETTEXT
  DestroyWindow(hwndRichEdit);
}

static void test_EM_STREAMOUT(void)
{
  HWND hwndRichEdit = new_richedit(NULL);
  int r;
  EDITSTREAM es;
  char buf[1024] = {0};
  char * p;

  const char * TestItem1 = "TestSomeText";
  const char * TestItem2 = "TestSomeText\r";
  const char * TestItem3 = "TestSomeText\r\n";

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) TestItem1);
  p = buf;
  es.dwCookie = (DWORD_PTR)&p;
  es.dwError = 0;
  es.pfnCallback = test_WM_SETTEXT_esCallback;
  memset(buf, 0, sizeof(buf));
  SendMessage(hwndRichEdit, EM_STREAMOUT,
              (WPARAM)(SF_TEXT), (LPARAM)&es);
  r = strlen(buf);
  ok(r == 12, "streamed text length is %d, expecting 12\n", r);
  ok(strcmp(buf, TestItem1) == 0,
        "streamed text different, got %s\n", buf);

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) TestItem2);
  p = buf;
  es.dwCookie = (DWORD_PTR)&p;
  es.dwError = 0;
  es.pfnCallback = test_WM_SETTEXT_esCallback;
  memset(buf, 0, sizeof(buf));
  SendMessage(hwndRichEdit, EM_STREAMOUT,
              (WPARAM)(SF_TEXT), (LPARAM)&es);
  r = strlen(buf);
  /* Here again, \r gets converted to \r\n, like WM_GETTEXT */
  ok(r == 14, "streamed text length is %d, expecting 14\n", r);
  ok(strcmp(buf, TestItem3) == 0,
        "streamed text different from, got %s\n", buf);
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) TestItem3);
  p = buf;
  es.dwCookie = (DWORD_PTR)&p;
  es.dwError = 0;
  es.pfnCallback = test_WM_SETTEXT_esCallback;
  memset(buf, 0, sizeof(buf));
  SendMessage(hwndRichEdit, EM_STREAMOUT,
              (WPARAM)(SF_TEXT), (LPARAM)&es);
  r = strlen(buf);
  ok(r == 14, "streamed text length is %d, expecting 14\n", r);
  ok(strcmp(buf, TestItem3) == 0,
        "streamed text different, got %s\n", buf);

  DestroyWindow(hwndRichEdit);
}

static void test_EM_SETTEXTEX(void)
{
  HWND hwndRichEdit = new_richedit(NULL);
  SETTEXTEX setText;
  GETTEXTEX getText;
  WCHAR TestItem1[] = {'T', 'e', 's', 't', 
                       'S', 'o', 'm', 'e', 
                       'T', 'e', 'x', 't', 0}; 
  WCHAR TestItem2[] = {'T', 'e', 's', 't',
                       'S', 'o', 'm', 'e',
                       'T', 'e', 'x', 't',
                      '\r', 0};
  const char * TestItem2_after = "TestSomeText\r\n";
  WCHAR TestItem3[] = {'T', 'e', 's', 't',
                       'S', 'o', 'm', 'e',
                       'T', 'e', 'x', 't',
                      '\r','\n','\r','\n', 0};
  WCHAR TestItem3alt[] = {'T', 'e', 's', 't',
                       'S', 'o', 'm', 'e',
                       'T', 'e', 'x', 't',
                       '\n','\n', 0};
  WCHAR TestItem3_after[] = {'T', 'e', 's', 't',
                       'S', 'o', 'm', 'e',
                       'T', 'e', 'x', 't',
                       '\r','\r', 0};
  WCHAR TestItem4[] = {'T', 'e', 's', 't',
                       'S', 'o', 'm', 'e',
                       'T', 'e', 'x', 't',
                      '\r','\r','\n','\r',
                      '\n', 0};
  WCHAR TestItem4_after[] = {'T', 'e', 's', 't',
                       'S', 'o', 'm', 'e',
                       'T', 'e', 'x', 't',
                       ' ','\r', 0};
#define MAX_BUF_LEN 1024
  WCHAR buf[MAX_BUF_LEN];
  char * p;
  int result;
  CHARRANGE cr;
  EDITSTREAM es;

  setText.codepage = 1200;  /* no constant for unicode */
  getText.codepage = 1200;  /* no constant for unicode */
  getText.cb = MAX_BUF_LEN;
  getText.flags = GT_DEFAULT;
  getText.lpDefaultChar = NULL;
  getText.lpUsedDefChar = NULL;

  setText.flags = 0;
  SendMessage(hwndRichEdit, EM_SETTEXTEX, (WPARAM)&setText, (LPARAM) TestItem1);
  SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buf);
  ok(lstrcmpW(buf, TestItem1) == 0,
      "EM_GETTEXTEX results not what was set by EM_SETTEXTEX\n");

  /* Unlike WM_SETTEXT/WM_GETTEXT pair, EM_SETTEXTEX/EM_GETTEXTEX does not
     convert \r to \r\n on return
   */
  setText.codepage = 1200;  /* no constant for unicode */
  getText.codepage = 1200;  /* no constant for unicode */
  getText.cb = MAX_BUF_LEN;
  getText.flags = GT_DEFAULT;
  getText.lpDefaultChar = NULL;
  getText.lpUsedDefChar = NULL;
  setText.flags = 0;
  SendMessage(hwndRichEdit, EM_SETTEXTEX, (WPARAM)&setText, (LPARAM) TestItem2);
  SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buf);
  ok(lstrcmpW(buf, TestItem2) == 0,
      "EM_GETTEXTEX results not what was set by EM_SETTEXTEX\n");

  /* However, WM_GETTEXT *does* see \r\n where EM_GETTEXTEX would see \r */
  SendMessage(hwndRichEdit, WM_GETTEXT, MAX_BUF_LEN, (LPARAM)buf);
  ok(strcmp((const char *)buf, TestItem2_after) == 0,
      "WM_GETTEXT did *not* see \\r converted to \\r\\n pairs.\n");

  /* Baseline test for just-enough buffer space for string */
  getText.cb = (lstrlenW(TestItem2) + 1) * sizeof(WCHAR);
  getText.codepage = 1200;  /* no constant for unicode */
  getText.flags = GT_DEFAULT;
  getText.lpDefaultChar = NULL;
  getText.lpUsedDefChar = NULL;
  memset(buf, 0, MAX_BUF_LEN);
  SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buf);
  ok(lstrcmpW(buf, TestItem2) == 0,
      "EM_GETTEXTEX results not what was set by EM_SETTEXTEX\n");

  /* When there is enough space for one character, but not both, of the CRLF
     pair at the end of the string, the CR is not copied at all. That is,
     the caller must not see CRLF pairs truncated to CR at the end of the
     string.
   */
  getText.cb = (lstrlenW(TestItem2) + 1) * sizeof(WCHAR);
  getText.codepage = 1200;  /* no constant for unicode */
  getText.flags = GT_USECRLF;   /* <-- asking for CR -> CRLF conversion */
  getText.lpDefaultChar = NULL;
  getText.lpUsedDefChar = NULL;
  memset(buf, 0, MAX_BUF_LEN);
  SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buf);
  ok(lstrcmpW(buf, TestItem1) == 0,
      "EM_GETTEXTEX results not what was set by EM_SETTEXTEX\n");


  /* \r\n pairs get changed into \r */
  setText.codepage = 1200;  /* no constant for unicode */
  getText.codepage = 1200;  /* no constant for unicode */
  getText.cb = MAX_BUF_LEN;
  getText.flags = GT_DEFAULT;
  getText.lpDefaultChar = NULL;
  getText.lpUsedDefChar = NULL;
  setText.flags = 0;
  SendMessage(hwndRichEdit, EM_SETTEXTEX, (WPARAM)&setText, (LPARAM) TestItem3);
  SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buf);
  ok(lstrcmpW(buf, TestItem3_after) == 0,
      "EM_SETTEXTEX did not convert properly\n");

  /* \n also gets changed to \r */
  setText.codepage = 1200;  /* no constant for unicode */
  getText.codepage = 1200;  /* no constant for unicode */
  getText.cb = MAX_BUF_LEN;
  getText.flags = GT_DEFAULT;
  getText.lpDefaultChar = NULL;
  getText.lpUsedDefChar = NULL;
  setText.flags = 0;
  SendMessage(hwndRichEdit, EM_SETTEXTEX, (WPARAM)&setText, (LPARAM) TestItem3alt);
  SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buf);
  ok(lstrcmpW(buf, TestItem3_after) == 0,
      "EM_SETTEXTEX did not convert properly\n");

  /* \r\r\n gets changed into single space */
  setText.codepage = 1200;  /* no constant for unicode */
  getText.codepage = 1200;  /* no constant for unicode */
  getText.cb = MAX_BUF_LEN;
  getText.flags = GT_DEFAULT;
  getText.lpDefaultChar = NULL;
  getText.lpUsedDefChar = NULL;
  setText.flags = 0;
  SendMessage(hwndRichEdit, EM_SETTEXTEX, (WPARAM)&setText, (LPARAM) TestItem4);
  SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buf);
  ok(lstrcmpW(buf, TestItem4_after) == 0,
      "EM_SETTEXTEX did not convert properly\n");

  result = SendMessage(hwndRichEdit, EM_SETTEXTEX, 
                       (WPARAM)&setText, (LPARAM) NULL);
  SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buf);
  
  ok (result == 1, 
      "EM_SETTEXTEX returned %d, instead of 1\n",result);
  ok(lstrlenW(buf) == 0,
      "EM_SETTEXTEX with NULL lParam should clear rich edit.\n");
  
  /* put some text back */
  setText.flags = 0;
  SendMessage(hwndRichEdit, EM_SETTEXTEX, (WPARAM)&setText, (LPARAM) TestItem1);
  /* select some text */
  cr.cpMax = 1;
  cr.cpMin = 3;
  SendMessage(hwndRichEdit, EM_EXSETSEL, 0, (LPARAM) &cr);
  /* replace current selection */
  setText.flags = ST_SELECTION;
  result = SendMessage(hwndRichEdit, EM_SETTEXTEX, 
                       (WPARAM)&setText, (LPARAM) NULL);
  ok(result == 0,
      "EM_SETTEXTEX with NULL lParam to replace selection"
      " with no text should return 0. Got %i\n",
      result);
  
  /* put some text back */
  setText.flags = 0;
  SendMessage(hwndRichEdit, EM_SETTEXTEX, (WPARAM)&setText, (LPARAM) TestItem1);
  /* select some text */
  cr.cpMax = 1;
  cr.cpMin = 3;
  SendMessage(hwndRichEdit, EM_EXSETSEL, 0, (LPARAM) &cr);
  /* replace current selection */
  setText.flags = ST_SELECTION;
  result = SendMessage(hwndRichEdit, EM_SETTEXTEX,
                       (WPARAM)&setText, (LPARAM) TestItem1);
  /* get text */
  SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buf);
  ok(result == lstrlenW(TestItem1),
      "EM_SETTEXTEX with NULL lParam to replace selection"
      " with no text should return 0. Got %i\n",
      result);
  ok(lstrlenW(buf) == 22,
      "EM_SETTEXTEX to replace selection with more text failed: %i.\n",
      lstrlenW(buf) );

  /* The following test demonstrates that EM_SETTEXTEX supports RTF strings */
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "TestSomeText"); /* TestItem1 */
  p = (char *)buf;
  es.dwCookie = (DWORD_PTR)&p;
  es.dwError = 0;
  es.pfnCallback = test_WM_SETTEXT_esCallback;
  memset(buf, 0, sizeof(buf));
  SendMessage(hwndRichEdit, EM_STREAMOUT,
              (WPARAM)(SF_RTF), (LPARAM)&es);
  trace("EM_STREAMOUT produced: \n%s\n", (char *)buf);

  setText.codepage = CP_ACP;/* EM_STREAMOUT saved as ANSI string */
  getText.codepage = 1200;  /* no constant for unicode */
  getText.cb = MAX_BUF_LEN;
  getText.flags = GT_DEFAULT;
  getText.lpDefaultChar = NULL;
  getText.lpUsedDefChar = NULL;

  setText.flags = 0;
  SendMessage(hwndRichEdit, EM_SETTEXTEX, (WPARAM)&setText, (LPARAM) buf);
  SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buf);
  ok(lstrcmpW(buf, TestItem1) == 0,
      "EM_GETTEXTEX results not what was set by EM_SETTEXTEX\n");


  DestroyWindow(hwndRichEdit);
}

static void test_EM_LIMITTEXT(void)
{
  int ret;

  HWND hwndRichEdit = new_richedit(NULL);

  /* The main purpose of this test is to demonstrate that the nonsense in MSDN
   * about setting the length to -1 for multiline edit controls doesn't happen.
   */

  /* Don't check default gettextlimit case. That's done in other tests */

  /* Set textlimit to 100 */
  SendMessage (hwndRichEdit, EM_LIMITTEXT, 100, 0);
  ret = SendMessage (hwndRichEdit, EM_GETLIMITTEXT, 0, 0);
  ok (ret == 100,
      "EM_LIMITTEXT: set to 100, returned: %d, expected: 100\n", ret);

  /* Set textlimit to 0 */
  SendMessage (hwndRichEdit, EM_LIMITTEXT, 0, 0);
  ret = SendMessage (hwndRichEdit, EM_GETLIMITTEXT, 0, 0);
  ok (ret == 65536,
      "EM_LIMITTEXT: set to 0, returned: %d, expected: 65536\n", ret);

  /* Set textlimit to -1 */
  SendMessage (hwndRichEdit, EM_LIMITTEXT, -1, 0);
  ret = SendMessage (hwndRichEdit, EM_GETLIMITTEXT, 0, 0);
  ok (ret == -1,
      "EM_LIMITTEXT: set to -1, returned: %d, expected: -1\n", ret);

  /* Set textlimit to -2 */
  SendMessage (hwndRichEdit, EM_LIMITTEXT, -2, 0);
  ret = SendMessage (hwndRichEdit, EM_GETLIMITTEXT, 0, 0);
  ok (ret == -2,
      "EM_LIMITTEXT: set to -2, returned: %d, expected: -2\n", ret);

  DestroyWindow (hwndRichEdit);
}


static void test_EM_EXLIMITTEXT(void)
{
  int i, selBegin, selEnd, len1, len2;
  int result;
  char text[1024 + 1];
  char buffer[1024 + 1];
  int textlimit = 0; /* multiple of 100 */
  HWND hwndRichEdit = new_richedit(NULL);
  
  i = SendMessage(hwndRichEdit, EM_GETLIMITTEXT, 0, 0);
  ok(32767 == i, "EM_EXLIMITTEXT: expected: %d, actual: %d\n", 32767, i); /* default */
  
  textlimit = 256000;
  SendMessage(hwndRichEdit, EM_EXLIMITTEXT, 0, textlimit);
  i = SendMessage(hwndRichEdit, EM_GETLIMITTEXT, 0, 0);
  /* set higher */
  ok(textlimit == i, "EM_EXLIMITTEXT: expected: %d, actual: %d\n", textlimit, i);
  
  textlimit = 1000;
  SendMessage(hwndRichEdit, EM_EXLIMITTEXT, 0, textlimit);
  i = SendMessage(hwndRichEdit, EM_GETLIMITTEXT, 0, 0);
  /* set lower */
  ok(textlimit == i, "EM_EXLIMITTEXT: expected: %d, actual: %d\n", textlimit, i);
 
  SendMessage(hwndRichEdit, EM_EXLIMITTEXT, 0, 0);
  i = SendMessage(hwndRichEdit, EM_GETLIMITTEXT, 0, 0);
  /* default for WParam = 0 */
  ok(65536 == i, "EM_EXLIMITTEXT: expected: %d, actual: %d\n", 65536, i);
 
  textlimit = sizeof(text)-1;
  memset(text, 'W', textlimit);
  text[sizeof(text)-1] = 0;
  SendMessage(hwndRichEdit, EM_EXLIMITTEXT, 0, textlimit);
  /* maxed out text */
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) text);
  
  SendMessage(hwndRichEdit, EM_SETSEL, 0, -1);  /* select everything */
  SendMessage(hwndRichEdit, EM_GETSEL, (WPARAM)&selBegin, (LPARAM)&selEnd);
  len1 = selEnd - selBegin;
  
  SendMessage(hwndRichEdit, WM_KEYDOWN, VK_BACK, 1);
  SendMessage(hwndRichEdit, WM_CHAR, VK_BACK, 1);
  SendMessage(hwndRichEdit, WM_KEYUP, VK_BACK, 1);
  SendMessage(hwndRichEdit, EM_SETSEL, 0, -1);
  SendMessage(hwndRichEdit, EM_GETSEL, (WPARAM)&selBegin, (LPARAM)&selEnd);
  len2 = selEnd - selBegin;
  
  ok(len1 != len2,
    "EM_EXLIMITTEXT: Change Expected\nOld Length: %d, New Length: %d, Limit: %d\n",
    len1,len2,i);
  
  SendMessage(hwndRichEdit, WM_KEYDOWN, 'A', 1);
  SendMessage(hwndRichEdit, WM_CHAR, 'A', 1);
  SendMessage(hwndRichEdit, WM_KEYUP, 'A', 1);
  SendMessage(hwndRichEdit, EM_SETSEL, 0, -1);
  SendMessage(hwndRichEdit, EM_GETSEL, (WPARAM)&selBegin, (LPARAM)&selEnd);
  len1 = selEnd - selBegin;
  
  ok(len1 != len2,
    "EM_EXLIMITTEXT: Change Expected\nOld Length: %d, New Length: %d, Limit: %d\n",
    len1,len2,i);
  
  SendMessage(hwndRichEdit, WM_KEYDOWN, 'A', 1);
  SendMessage(hwndRichEdit, WM_CHAR, 'A', 1);
  SendMessage(hwndRichEdit, WM_KEYUP, 'A', 1);  /* full; should be no effect */
  SendMessage(hwndRichEdit, EM_SETSEL, 0, -1);
  SendMessage(hwndRichEdit, EM_GETSEL, (WPARAM)&selBegin, (LPARAM)&selEnd);
  len2 = selEnd - selBegin;
  
  ok(len1 == len2, 
    "EM_EXLIMITTEXT: No Change Expected\nOld Length: %d, New Length: %d, Limit: %d\n",
    len1,len2,i);

  /* set text up to the limit, select all the text, then add a char */
  textlimit = 5;
  memset(text, 'W', textlimit);
  text[textlimit] = 0;
  SendMessage(hwndRichEdit, EM_EXLIMITTEXT, 0, textlimit);
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) text);
  SendMessage(hwndRichEdit, EM_SETSEL, 0, -1);
  SendMessage(hwndRichEdit, WM_CHAR, 'A', 1);
  SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  result = strcmp(buffer, "A");
  ok(0 == result, "got string = \"%s\"\n", buffer);

  /* WM_SETTEXT not limited */
  textlimit = 10;
  memset(text, 'W', textlimit);
  text[textlimit] = 0;
  SendMessage(hwndRichEdit, EM_EXLIMITTEXT, 0, textlimit-5);
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) text);
  SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  i = strlen(buffer);
  ok(10 == i, "expected 10 chars\n");
  i = SendMessage(hwndRichEdit, EM_GETLIMITTEXT, 0, 0);
  ok(10 == i, "EM_EXLIMITTEXT: expected: %d, actual: %d\n", 10, i);

  /* try inserting more text at end */
  i = SendMessage(hwndRichEdit, WM_CHAR, 'A', 0);
  ok(0 == i, "WM_CHAR wasn't processed\n");
  SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  i = strlen(buffer);
  ok(10 == i, "expected 10 chars, got %i\n", i);
  i = SendMessage(hwndRichEdit, EM_GETLIMITTEXT, 0, 0);
  ok(10 == i, "EM_EXLIMITTEXT: expected: %d, actual: %d\n", 10, i);

  /* try inserting text at beginning */
  SendMessage(hwndRichEdit, EM_SETSEL, 0, 0);
  i = SendMessage(hwndRichEdit, WM_CHAR, 'A', 0);
  ok(0 == i, "WM_CHAR wasn't processed\n");
  SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  i = strlen(buffer);
  ok(10 == i, "expected 10 chars, got %i\n", i);
  i = SendMessage(hwndRichEdit, EM_GETLIMITTEXT, 0, 0);
  ok(10 == i, "EM_EXLIMITTEXT: expected: %d, actual: %d\n", 10, i);

  /* WM_CHAR is limited */
  textlimit = 1;
  SendMessage(hwndRichEdit, EM_EXLIMITTEXT, 0, textlimit);
  SendMessage(hwndRichEdit, EM_SETSEL, 0, -1);  /* select everything */
  i = SendMessage(hwndRichEdit, WM_CHAR, 'A', 0);
  ok(0 == i, "WM_CHAR wasn't processed\n");
  i = SendMessage(hwndRichEdit, WM_CHAR, 'A', 0);
  ok(0 == i, "WM_CHAR wasn't processed\n");
  SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  i = strlen(buffer);
  ok(1 == i, "expected 1 chars, got %i instead\n", i);

  DestroyWindow(hwndRichEdit);
}

static void test_EM_GETLIMITTEXT(void)
{
  int i;
  HWND hwndRichEdit = new_richedit(NULL);

  i = SendMessage(hwndRichEdit, EM_GETLIMITTEXT, 0, 0);
  ok(32767 == i, "expected: %d, actual: %d\n", 32767, i); /* default value */

  SendMessage(hwndRichEdit, EM_EXLIMITTEXT, 0, 50000);
  i = SendMessage(hwndRichEdit, EM_GETLIMITTEXT, 0, 0);
  ok(50000 == i, "expected: %d, actual: %d\n", 50000, i);

  DestroyWindow(hwndRichEdit);
}

static void test_WM_SETFONT(void)
{
  /* There is no invalid input or error conditions for this function.
   * NULL wParam and lParam just fall back to their default values 
   * It should be noted that even if you use a gibberish name for your fonts
   * here, it will still work because the name is stored. They will display as
   * System, but will report their name to be whatever they were created as */
  
  HWND hwndRichEdit = new_richedit(NULL);
  HFONT testFont1 = CreateFontA (0,0,0,0,FW_LIGHT, 0, 0, 0, ANSI_CHARSET, 
    OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | 
    FF_DONTCARE, "Marlett");
  HFONT testFont2 = CreateFontA (0,0,0,0,FW_LIGHT, 0, 0, 0, ANSI_CHARSET, 
    OUT_TT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | 
    FF_DONTCARE, "MS Sans Serif");
  HFONT testFont3 = CreateFontA (0,0,0,0,FW_LIGHT, 0, 0, 0, ANSI_CHARSET, 
    OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | 
    FF_DONTCARE, "Courier");
  LOGFONTA sentLogFont;
  CHARFORMAT2A returnedCF2A;
  
  returnedCF2A.cbSize = sizeof(returnedCF2A);
  
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "x");
  SendMessage(hwndRichEdit, WM_SETFONT, (WPARAM)testFont1,(LPARAM) MAKELONG((WORD) TRUE, 0));
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT,   SCF_DEFAULT,  (LPARAM) &returnedCF2A);

  GetObjectA(testFont1, sizeof(LOGFONTA), &sentLogFont);
  ok (!strcmp(sentLogFont.lfFaceName,returnedCF2A.szFaceName),
    "EM_GETCHARFORMAT: Returned wrong font on test 1. Sent: %s, Returned: %s\n",
    sentLogFont.lfFaceName,returnedCF2A.szFaceName);

  SendMessage(hwndRichEdit, WM_SETFONT, (WPARAM)testFont2,(LPARAM) MAKELONG((WORD) TRUE, 0));
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT,   SCF_DEFAULT,  (LPARAM) &returnedCF2A);
  GetObjectA(testFont2, sizeof(LOGFONTA), &sentLogFont);
  ok (!strcmp(sentLogFont.lfFaceName,returnedCF2A.szFaceName),
    "EM_GETCHARFORMAT: Returned wrong font on test 2. Sent: %s, Returned: %s\n",
    sentLogFont.lfFaceName,returnedCF2A.szFaceName);
    
  SendMessage(hwndRichEdit, WM_SETFONT, (WPARAM)testFont3,(LPARAM) MAKELONG((WORD) TRUE, 0));
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT,   SCF_DEFAULT,  (LPARAM) &returnedCF2A);
  GetObjectA(testFont3, sizeof(LOGFONTA), &sentLogFont);
  ok (!strcmp(sentLogFont.lfFaceName,returnedCF2A.szFaceName),
    "EM_GETCHARFORMAT: Returned wrong font on test 3. Sent: %s, Returned: %s\n",
    sentLogFont.lfFaceName,returnedCF2A.szFaceName);
   
  /* This last test is special since we send in NULL. We clear the variables
   * and just compare to "System" instead of the sent in font name. */
  ZeroMemory(&returnedCF2A,sizeof(returnedCF2A));
  ZeroMemory(&sentLogFont,sizeof(sentLogFont));
  returnedCF2A.cbSize = sizeof(returnedCF2A);
  
  SendMessage(hwndRichEdit, WM_SETFONT, (WPARAM)NULL,(LPARAM) MAKELONG((WORD) TRUE, 0));
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT,   SCF_DEFAULT,  (LPARAM) &returnedCF2A);
  GetObjectA(NULL, sizeof(LOGFONTA), &sentLogFont);
  ok (!strcmp("System",returnedCF2A.szFaceName),
    "EM_GETCHARFORMAT: Returned wrong font on test 4. Sent: NULL, Returned: %s. Expected \"System\".\n",returnedCF2A.szFaceName);
  
  DestroyWindow(hwndRichEdit);
}


static DWORD CALLBACK test_EM_GETMODIFY_esCallback(DWORD_PTR dwCookie,
                                         LPBYTE pbBuff,
                                         LONG cb,
                                         LONG *pcb)
{
  const char** str = (const char**)dwCookie;
  int size = strlen(*str);
  if(size > 3)  /* let's make it piecemeal for fun */
    size = 3;
  *pcb = cb;
  if (*pcb > size) {
    *pcb = size;
  }
  if (*pcb > 0) {
    memcpy(pbBuff, *str, *pcb);
    *str += *pcb;
  }
  return 0;
}

static void test_EM_GETMODIFY(void)
{
  HWND hwndRichEdit = new_richedit(NULL);
  LRESULT result;
  SETTEXTEX setText;
  WCHAR TestItem1[] = {'T', 'e', 's', 't', 
                       'S', 'o', 'm', 'e', 
                       'T', 'e', 'x', 't', 0}; 
  WCHAR TestItem2[] = {'T', 'e', 's', 't', 
                       'S', 'o', 'm', 'e', 
                       'O', 't', 'h', 'e', 'r',
                       'T', 'e', 'x', 't', 0}; 
  const char* streamText = "hello world";
  CHARFORMAT2 cf2;
  PARAFORMAT2 pf2;
  EDITSTREAM es;
  
  HFONT testFont = CreateFontA (0,0,0,0,FW_LIGHT, 0, 0, 0, ANSI_CHARSET, 
    OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | 
    FF_DONTCARE, "Courier");
  
  setText.codepage = 1200;  /* no constant for unicode */
  setText.flags = ST_KEEPUNDO;
  

  /* modify flag shouldn't be set when richedit is first created */
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result == 0, 
      "EM_GETMODIFY returned non-zero, instead of zero on create\n");
  
  /* setting modify flag should actually set it */
  SendMessage(hwndRichEdit, EM_SETMODIFY, TRUE, 0);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result != 0, 
      "EM_GETMODIFY returned zero, instead of non-zero on EM_SETMODIFY\n");
  
  /* clearing modify flag should actually clear it */
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result == 0, 
      "EM_GETMODIFY returned non-zero, instead of zero on EM_SETMODIFY\n");
 
  /* setting font doesn't change modify flag */
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  SendMessage(hwndRichEdit, WM_SETFONT, (WPARAM)testFont,(LPARAM) MAKELONG((WORD) TRUE, 0));
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result == 0,
      "EM_GETMODIFY returned non-zero, instead of zero on setting font\n");

  /* setting text should set modify flag */
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  SendMessage(hwndRichEdit, EM_SETTEXTEX, (WPARAM)&setText, (LPARAM)TestItem1);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result != 0,
      "EM_GETMODIFY returned zero, instead of non-zero on setting text\n");
  
  /* undo previous text doesn't reset modify flag */
  SendMessage(hwndRichEdit, WM_UNDO, 0, 0);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result != 0,
      "EM_GETMODIFY returned zero, instead of non-zero on undo after setting text\n");
  
  /* set text with no flag to keep undo stack should not set modify flag */
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  setText.flags = 0;
  SendMessage(hwndRichEdit, EM_SETTEXTEX, (WPARAM)&setText, (LPARAM)TestItem1);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result == 0,
      "EM_GETMODIFY returned non-zero, instead of zero when setting text while not keeping undo stack\n");
  
  /* WM_SETTEXT doesn't modify */
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)TestItem2);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result == 0,
      "EM_GETMODIFY returned non-zero for WM_SETTEXT\n");
  
  /* clear the text */
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  SendMessage(hwndRichEdit, WM_CLEAR, 0, 0);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result == 0,
      "EM_GETMODIFY returned non-zero, instead of zero for WM_CLEAR\n");
  
  /* replace text */
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  SendMessage(hwndRichEdit, EM_SETTEXTEX, (WPARAM)&setText, (LPARAM)TestItem1);
  SendMessage(hwndRichEdit, EM_SETSEL, 0, 2);
  SendMessage(hwndRichEdit, EM_REPLACESEL, TRUE, (LPARAM)TestItem2);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result != 0,
      "EM_GETMODIFY returned zero, instead of non-zero when replacing text\n");
  
  /* copy/paste text 1 */
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  SendMessage(hwndRichEdit, EM_SETSEL, 0, 2);
  SendMessage(hwndRichEdit, WM_COPY, 0, 0);
  SendMessage(hwndRichEdit, WM_PASTE, 0, 0);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result != 0,
      "EM_GETMODIFY returned zero, instead of non-zero when pasting identical text\n");
  
  /* copy/paste text 2 */
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  SendMessage(hwndRichEdit, EM_SETSEL, 0, 2);
  SendMessage(hwndRichEdit, WM_COPY, 0, 0);
  SendMessage(hwndRichEdit, EM_SETSEL, 0, 3);
  SendMessage(hwndRichEdit, WM_PASTE, 0, 0);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result != 0,
      "EM_GETMODIFY returned zero, instead of non-zero when pasting different text\n");
  
  /* press char */
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  SendMessage(hwndRichEdit, EM_SETSEL, 0, 1);
  SendMessage(hwndRichEdit, WM_CHAR, 'A', 0);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result != 0,
      "EM_GETMODIFY returned zero, instead of non-zero for WM_CHAR\n");

  /* press del */
  SendMessage(hwndRichEdit, WM_CHAR, 'A', 0);
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  SendMessage(hwndRichEdit, WM_KEYDOWN, VK_BACK, 0);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result != 0,
      "EM_GETMODIFY returned zero, instead of non-zero for backspace\n");
  
  /* set char format */
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  cf2.cbSize = sizeof(CHARFORMAT2);
  SendMessage(hwndRichEdit, EM_GETCHARFORMAT, (WPARAM) SCF_DEFAULT,
             (LPARAM) &cf2);
  cf2.dwMask = CFM_ITALIC | cf2.dwMask;
  cf2.dwEffects = CFE_ITALIC ^ cf2.dwEffects;
  SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_ALL, (LPARAM) &cf2);
  result = SendMessage(hwndRichEdit, EM_SETCHARFORMAT, (WPARAM) SCF_ALL, (LPARAM) &cf2);
  ok(result == 1, "EM_SETCHARFORMAT returned %ld instead of 1\n", result);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result != 0,
      "EM_GETMODIFY returned zero, instead of non-zero for EM_SETCHARFORMAT\n");
  
  /* set para format */
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  pf2.cbSize = sizeof(PARAFORMAT2);
  SendMessage(hwndRichEdit, EM_GETPARAFORMAT, 0,
             (LPARAM) &pf2);
  pf2.dwMask = PFM_ALIGNMENT | pf2.dwMask;
  pf2.wAlignment = PFA_RIGHT;
  SendMessage(hwndRichEdit, EM_SETPARAFORMAT, 0, (LPARAM) &pf2);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result == 0,
      "EM_GETMODIFY returned zero, instead of non-zero for EM_SETPARAFORMAT\n");

  /* EM_STREAM */
  SendMessage(hwndRichEdit, EM_SETMODIFY, FALSE, 0);
  es.dwCookie = (DWORD_PTR)&streamText;
  es.dwError = 0;
  es.pfnCallback = test_EM_GETMODIFY_esCallback;
  SendMessage(hwndRichEdit, EM_STREAMIN, 
              (WPARAM)(SF_TEXT), (LPARAM)&es);
  result = SendMessage(hwndRichEdit, EM_GETMODIFY, 0, 0);
  ok (result != 0,
      "EM_GETMODIFY returned zero, instead of non-zero for EM_STREAM\n");

  DestroyWindow(hwndRichEdit);
}

struct exsetsel_s {
  long min;
  long max;
  long expected_retval;
  int expected_getsel_start;
  int expected_getsel_end;
  int _exsetsel_todo_wine;
  int _getsel_todo_wine;
};

const struct exsetsel_s exsetsel_tests[] = {
  /* sanity tests */
  {5, 10, 10, 5, 10, 0, 0},
  {15, 17, 17, 15, 17, 0, 0},
  /* test cpMax > strlen() */
  {0, 100, 18, 0, 18, 0, 1},
  /* test cpMin == cpMax */
  {5, 5, 5, 5, 5, 0, 0},
  /* test cpMin < 0 && cpMax >= 0 (bug 4462) */
  {-1, 0, 5, 5, 5, 0, 0},
  {-1, 17, 5, 5, 5, 0, 0},
  {-1, 18, 5, 5, 5, 0, 0},
  /* test cpMin < 0 && cpMax < 0 */
  {-1, -1, 17, 17, 17, 0, 0},
  {-4, -5, 17, 17, 17, 0, 0},
  /* test cMin >=0 && cpMax < 0 (bug 6814) */
  {0, -1, 18, 0, 18, 0, 1},
  {17, -5, 18, 17, 18, 0, 1},
  {18, -3, 17, 17, 17, 0, 0},
  /* test if cpMin > cpMax */
  {15, 19, 18, 15, 18, 0, 1},
  {19, 15, 18, 15, 18, 0, 1}
};

static void check_EM_EXSETSEL(HWND hwnd, const struct exsetsel_s *setsel, int id) {
    CHARRANGE cr;
    long result;
    int start, end;

    cr.cpMin = setsel->min;
    cr.cpMax = setsel->max;
    result = SendMessage(hwnd, EM_EXSETSEL, 0, (LPARAM) &cr);

    if (setsel->_exsetsel_todo_wine) {
        todo_wine {
            ok(result == setsel->expected_retval, "EM_EXSETSEL(%d): expected: %ld actual: %ld\n", id, setsel->expected_retval, result);
        }
    } else {
        ok(result == setsel->expected_retval, "EM_EXSETSEL(%d): expected: %ld actual: %ld\n", id, setsel->expected_retval, result);
    }

    SendMessage(hwnd, EM_GETSEL, (WPARAM) &start, (LPARAM) &end);

    if (setsel->_getsel_todo_wine) {
        todo_wine {
            ok(start == setsel->expected_getsel_start && end == setsel->expected_getsel_end, "EM_EXSETSEL(%d): expected (%d,%d) actual:(%d,%d)\n", id, setsel->expected_getsel_start, setsel->expected_getsel_end, start, end);
        }
    } else {
        ok(start == setsel->expected_getsel_start && end == setsel->expected_getsel_end, "EM_EXSETSEL(%d): expected (%d,%d) actual:(%d,%d)\n", id, setsel->expected_getsel_start, setsel->expected_getsel_end, start, end);
    }
}

static void test_EM_EXSETSEL(void)
{
    HWND hwndRichEdit = new_richedit(NULL);
    int i;
    const int num_tests = sizeof(exsetsel_tests)/sizeof(struct exsetsel_s);

    /* sending some text to the window */
    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "testing selection");
    /*                                                 01234567890123456*/
    /*                                                          10      */

    for (i = 0; i < num_tests; i++) {
        check_EM_EXSETSEL(hwndRichEdit, &exsetsel_tests[i], i);
    }

    DestroyWindow(hwndRichEdit);
}

static void test_EM_REPLACESEL(int redraw)
{
    HWND hwndRichEdit = new_richedit(NULL);
    char buffer[1024] = {0};
    int r;
    GETTEXTEX getText;
    CHARRANGE cr;

    /* sending some text to the window */
    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) "testing selection");
    /*                                                 01234567890123456*/
    /*                                                          10      */

    /* FIXME add more tests */
    SendMessage(hwndRichEdit, EM_SETSEL, 7, 17);
    r = SendMessage(hwndRichEdit, EM_REPLACESEL, 0, (LPARAM) NULL);
    ok(0 == r, "EM_REPLACESEL returned %d, expected 0\n", r);
    SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    r = strcmp(buffer, "testing");
    ok(0 == r, "expected %d, got %d\n", 0, r);

    DestroyWindow(hwndRichEdit);

    hwndRichEdit = new_richedit(NULL);

    trace("Testing EM_REPLACESEL behavior with redraw=%d\n", redraw);
    SendMessage(hwndRichEdit, WM_SETREDRAW, redraw, 0);

    /* Test behavior with carriage returns and newlines */
    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
    r = SendMessage(hwndRichEdit, EM_REPLACESEL, 0, (LPARAM) "RichEdit1");
    ok(9 == r, "EM_REPLACESEL returned %d, expected 9\n", r);
    SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    r = strcmp(buffer, "RichEdit1");
    ok(0 == r, "expected %d, got %d\n", 0, r);
    getText.cb = 1024;
    getText.codepage = CP_ACP;
    getText.flags = GT_DEFAULT;
    getText.lpDefaultChar = NULL;
    getText.lpUsedDefChar = NULL;
    SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buffer);
    ok(strcmp(buffer, "RichEdit1") == 0,
      "EM_GETTEXTEX results not what was set by EM_REPLACESEL\n");

    /* Test number of lines reported after EM_REPLACESEL */
    r = SendMessage(hwndRichEdit, EM_GETLINECOUNT, 0, 0);
    ok(r == 1, "EM_GETLINECOUNT returned %d, expected 1\n", r);

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
    r = SendMessage(hwndRichEdit, EM_REPLACESEL, 0, (LPARAM) "RichEdit1\r");
    ok(10 == r, "EM_REPLACESEL returned %d, expected 10\n", r);
    SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    r = strcmp(buffer, "RichEdit1\r\n");
    ok(0 == r, "expected %d, got %d\n", 0, r);
    getText.cb = 1024;
    getText.codepage = CP_ACP;
    getText.flags = GT_DEFAULT;
    getText.lpDefaultChar = NULL;
    getText.lpUsedDefChar = NULL;
    SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buffer);
    ok(strcmp(buffer, "RichEdit1\r") == 0,
      "EM_GETTEXTEX returned incorrect string\n");

    /* Test number of lines reported after EM_REPLACESEL */
    r = SendMessage(hwndRichEdit, EM_GETLINECOUNT, 0, 0);
    ok(r == 2, "EM_GETLINECOUNT returned %d, expected 2\n", r);

    /* Win98's riched20 and WinXP's riched20 disagree on what to return from
       EM_REPLACESEL. The general rule seems to be that Win98's riched20
       returns the number of characters *inserted* into the control (after
       required conversions), but WinXP's riched20 returns the number of
       characters interpreted from the original lParam. Wine's builtin riched20
       implements the WinXP behavior.
     */
    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
    r = SendMessage(hwndRichEdit, EM_REPLACESEL, 0, (LPARAM) "RichEdit1\r\n");
    ok(11 == r /* WinXP */ || 10 == r /* Win98 */,
        "EM_REPLACESEL returned %d, expected 11 or 10\n", r);

    /* Test number of lines reported after EM_REPLACESEL */
    r = SendMessage(hwndRichEdit, EM_GETLINECOUNT, 0, 0);
    ok(r == 2, "EM_GETLINECOUNT returned %d, expected 2\n", r);

    r = SendMessage(hwndRichEdit, EM_EXGETSEL, 0, (LPARAM)&cr);
    ok(0 == r, "EM_EXGETSEL returned %d, expected 0\n", r);
    ok(cr.cpMin == 10, "EM_EXGETSEL returned cpMin=%d, expected 10\n", cr.cpMin);
    ok(cr.cpMax == 10, "EM_EXGETSEL returned cpMax=%d, expected 10\n", cr.cpMax);

    SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    r = strcmp(buffer, "RichEdit1\r\n");
    ok(0 == r, "expected %d, got %d\n", 0, r);
    getText.cb = 1024;
    getText.codepage = CP_ACP;
    getText.flags = GT_DEFAULT;
    getText.lpDefaultChar = NULL;
    getText.lpUsedDefChar = NULL;
    SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buffer);
    ok(strcmp(buffer, "RichEdit1\r") == 0,
      "EM_GETTEXTEX returned incorrect string\n");

    r = SendMessage(hwndRichEdit, EM_EXGETSEL, 0, (LPARAM)&cr);
    ok(0 == r, "EM_EXGETSEL returned %d, expected 0\n", r);
    ok(cr.cpMin == 10, "EM_EXGETSEL returned cpMin=%d, expected 10\n", cr.cpMin);
    ok(cr.cpMax == 10, "EM_EXGETSEL returned cpMax=%d, expected 10\n", cr.cpMax);

    /* The following tests show that richedit should handle the special \r\r\n
       sequence by turning it into a single space on insertion. However,
       EM_REPLACESEL on WinXP returns the number of characters in the original
       string.
     */

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
    r = SendMessage(hwndRichEdit, EM_REPLACESEL, 0, (LPARAM) "\r\r");
    ok(2 == r, "EM_REPLACESEL returned %d, expected 4\n", r);
    r = SendMessage(hwndRichEdit, EM_EXGETSEL, 0, (LPARAM)&cr);
    ok(0 == r, "EM_EXGETSEL returned %d, expected 0\n", r);
    ok(cr.cpMin == 2, "EM_EXGETSEL returned cpMin=%d, expected 2\n", cr.cpMin);
    ok(cr.cpMax == 2, "EM_EXGETSEL returned cpMax=%d, expected 2\n", cr.cpMax);

    /* Test the actual string */
    getText.cb = 1024;
    getText.codepage = CP_ACP;
    getText.flags = GT_DEFAULT;
    getText.lpDefaultChar = NULL;
    getText.lpUsedDefChar = NULL;
    SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buffer);
    ok(strcmp(buffer, "\r\r") == 0,
      "EM_GETTEXTEX returned incorrect string\n");

    /* Test number of lines reported after EM_REPLACESEL */
    r = SendMessage(hwndRichEdit, EM_GETLINECOUNT, 0, 0);
    ok(r == 3, "EM_GETLINECOUNT returned %d, expected 3\n", r);

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
    r = SendMessage(hwndRichEdit, EM_REPLACESEL, 0, (LPARAM) "\r\r\n");
    ok(3 == r /* WinXP */ || 1 == r /* Win98 */,
        "EM_REPLACESEL returned %d, expected 3 or 1\n", r);
    r = SendMessage(hwndRichEdit, EM_EXGETSEL, 0, (LPARAM)&cr);
    ok(0 == r, "EM_EXGETSEL returned %d, expected 0\n", r);
    ok(cr.cpMin == 1, "EM_EXGETSEL returned cpMin=%d, expected 1\n", cr.cpMin);
    ok(cr.cpMax == 1, "EM_EXGETSEL returned cpMax=%d, expected 1\n", cr.cpMax);

    /* Test the actual string */
    getText.cb = 1024;
    getText.codepage = CP_ACP;
    getText.flags = GT_DEFAULT;
    getText.lpDefaultChar = NULL;
    getText.lpUsedDefChar = NULL;
    SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buffer);
    ok(strcmp(buffer, " ") == 0,
      "EM_GETTEXTEX returned incorrect string\n");

    /* Test number of lines reported after EM_REPLACESEL */
    r = SendMessage(hwndRichEdit, EM_GETLINECOUNT, 0, 0);
    ok(r == 1, "EM_GETLINECOUNT returned %d, expected 1\n", r);

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
    r = SendMessage(hwndRichEdit, EM_REPLACESEL, 0, (LPARAM) "\r\r\r\r\r\n\r\r\r");
    ok(9 == r /* WinXP */ || 7 == r /* Win98 */,
        "EM_REPLACESEL returned %d, expected 9 or 7\n", r);
    r = SendMessage(hwndRichEdit, EM_EXGETSEL, 0, (LPARAM)&cr);
    ok(0 == r, "EM_EXGETSEL returned %d, expected 0\n", r);
    ok(cr.cpMin == 7, "EM_EXGETSEL returned cpMin=%d, expected 7\n", cr.cpMin);
    ok(cr.cpMax == 7, "EM_EXGETSEL returned cpMax=%d, expected 7\n", cr.cpMax);

    /* Test the actual string */
    getText.cb = 1024;
    getText.codepage = CP_ACP;
    getText.flags = GT_DEFAULT;
    getText.lpDefaultChar = NULL;
    getText.lpUsedDefChar = NULL;
    SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buffer);
    ok(strcmp(buffer, "\r\r\r \r\r\r") == 0,
      "EM_GETTEXTEX returned incorrect string\n");

    /* Test number of lines reported after EM_REPLACESEL */
    r = SendMessage(hwndRichEdit, EM_GETLINECOUNT, 0, 0);
    ok(r == 7, "EM_GETLINECOUNT returned %d, expected 7\n", r);

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
    r = SendMessage(hwndRichEdit, EM_REPLACESEL, 0, (LPARAM) "\r\r\n\r\n");
    ok(5 == r /* WinXP */ || 2 == r /* Win98 */,
        "EM_REPLACESEL returned %d, expected 5 or 2\n", r);
    r = SendMessage(hwndRichEdit, EM_EXGETSEL, 0, (LPARAM)&cr);
    ok(0 == r, "EM_EXGETSEL returned %d, expected 0\n", r);
    ok(cr.cpMin == 2, "EM_EXGETSEL returned cpMin=%d, expected 2\n", cr.cpMin);
    ok(cr.cpMax == 2, "EM_EXGETSEL returned cpMax=%d, expected 2\n", cr.cpMax);

    /* Test the actual string */
    getText.cb = 1024;
    getText.codepage = CP_ACP;
    getText.flags = GT_DEFAULT;
    getText.lpDefaultChar = NULL;
    getText.lpUsedDefChar = NULL;
    SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buffer);
    ok(strcmp(buffer, " \r") == 0,
      "EM_GETTEXTEX returned incorrect string\n");

    /* Test number of lines reported after EM_REPLACESEL */
    r = SendMessage(hwndRichEdit, EM_GETLINECOUNT, 0, 0);
    ok(r == 2, "EM_GETLINECOUNT returned %d, expected 2\n", r);

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
    r = SendMessage(hwndRichEdit, EM_REPLACESEL, 0, (LPARAM) "\r\r\n\r\r");
    ok(5 == r /* WinXP */ || 3 == r /* Win98 */,
        "EM_REPLACESEL returned %d, expected 5 or 3\n", r);
    r = SendMessage(hwndRichEdit, EM_EXGETSEL, 0, (LPARAM)&cr);
    ok(0 == r, "EM_EXGETSEL returned %d, expected 0\n", r);
    ok(cr.cpMin == 3, "EM_EXGETSEL returned cpMin=%d, expected 3\n", cr.cpMin);
    ok(cr.cpMax == 3, "EM_EXGETSEL returned cpMax=%d, expected 3\n", cr.cpMax);

    /* Test the actual string */
    getText.cb = 1024;
    getText.codepage = CP_ACP;
    getText.flags = GT_DEFAULT;
    getText.lpDefaultChar = NULL;
    getText.lpUsedDefChar = NULL;
    SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buffer);
    ok(strcmp(buffer, " \r\r") == 0,
      "EM_GETTEXTEX returned incorrect string\n");

    /* Test number of lines reported after EM_REPLACESEL */
    r = SendMessage(hwndRichEdit, EM_GETLINECOUNT, 0, 0);
    ok(r == 3, "EM_GETLINECOUNT returned %d, expected 3\n", r);

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
    r = SendMessage(hwndRichEdit, EM_REPLACESEL, 0, (LPARAM) "\rX\r\n\r\r");
    ok(6 == r /* WinXP */ || 5 == r /* Win98 */,
        "EM_REPLACESEL returned %d, expected 6 or 5\n", r);
    r = SendMessage(hwndRichEdit, EM_EXGETSEL, 0, (LPARAM)&cr);
    ok(0 == r, "EM_EXGETSEL returned %d, expected 0\n", r);
    ok(cr.cpMin == 5, "EM_EXGETSEL returned cpMin=%d, expected 5\n", cr.cpMin);
    ok(cr.cpMax == 5, "EM_EXGETSEL returned cpMax=%d, expected 5\n", cr.cpMax);

    /* Test the actual string */
    getText.cb = 1024;
    getText.codepage = CP_ACP;
    getText.flags = GT_DEFAULT;
    getText.lpDefaultChar = NULL;
    getText.lpUsedDefChar = NULL;
    SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buffer);
    ok(strcmp(buffer, "\rX\r\r\r") == 0,
      "EM_GETTEXTEX returned incorrect string\n");

    /* Test number of lines reported after EM_REPLACESEL */
    r = SendMessage(hwndRichEdit, EM_GETLINECOUNT, 0, 0);
    ok(r == 5, "EM_GETLINECOUNT returned %d, expected 5\n", r);

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
    r = SendMessage(hwndRichEdit, EM_REPLACESEL, 0, (LPARAM) "\n\n");
    ok(2 == r, "EM_REPLACESEL returned %d, expected 2\n", r);
    r = SendMessage(hwndRichEdit, EM_EXGETSEL, 0, (LPARAM)&cr);
    ok(0 == r, "EM_EXGETSEL returned %d, expected 0\n", r);
    ok(cr.cpMin == 2, "EM_EXGETSEL returned cpMin=%d, expected 2\n", cr.cpMin);
    ok(cr.cpMax == 2, "EM_EXGETSEL returned cpMax=%d, expected 2\n", cr.cpMax);

    /* Test the actual string */
    getText.cb = 1024;
    getText.codepage = CP_ACP;
    getText.flags = GT_DEFAULT;
    getText.lpDefaultChar = NULL;
    getText.lpUsedDefChar = NULL;
    SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buffer);
    ok(strcmp(buffer, "\r\r") == 0,
      "EM_GETTEXTEX returned incorrect string\n");

    /* Test number of lines reported after EM_REPLACESEL */
    r = SendMessage(hwndRichEdit, EM_GETLINECOUNT, 0, 0);
    ok(r == 3, "EM_GETLINECOUNT returned %d, expected 3\n", r);

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)NULL);
    r = SendMessage(hwndRichEdit, EM_REPLACESEL, 0, (LPARAM) "\n\n\n\n\r\r\r\r\n");
    ok(9 == r /* WinXP */ || 7 == r /* Win98 */,
        "EM_REPLACESEL returned %d, expected 9 or 7\n", r);
    r = SendMessage(hwndRichEdit, EM_EXGETSEL, 0, (LPARAM)&cr);
    ok(0 == r, "EM_EXGETSEL returned %d, expected 0\n", r);
    ok(cr.cpMin == 7, "EM_EXGETSEL returned cpMin=%d, expected 7\n", cr.cpMin);
    ok(cr.cpMax == 7, "EM_EXGETSEL returned cpMax=%d, expected 7\n", cr.cpMax);

    /* Test the actual string */
    getText.cb = 1024;
    getText.codepage = CP_ACP;
    getText.flags = GT_DEFAULT;
    getText.lpDefaultChar = NULL;
    getText.lpUsedDefChar = NULL;
    SendMessage(hwndRichEdit, EM_GETTEXTEX, (WPARAM)&getText, (LPARAM) buffer);
    ok(strcmp(buffer, "\r\r\r\r\r\r ") == 0,
      "EM_GETTEXTEX returned incorrect string\n");

    /* Test number of lines reported after EM_REPLACESEL */
    r = SendMessage(hwndRichEdit, EM_GETLINECOUNT, 0, 0);
    ok(r == 7, "EM_GETLINECOUNT returned %d, expected 7\n", r);

    DestroyWindow(hwndRichEdit);
}

static void test_WM_PASTE(void)
{
    MSG msg;
    int result;
    char buffer[1024] = {0};
    char key_info[][3] =
    {
        /* VirtualKey, ScanCode, WM_CHAR code */
        {'C', 0x2e,  3},	/* Ctrl-C */
        {'X', 0x2d, 24},	/* Ctrl-X */
        {'V', 0x2f, 22},	/* Ctrl-V */
        {'Z', 0x2c, 26},	/* Ctrl-Z */
        {'Y', 0x15, 25},	/* Ctrl-Y */
    };
    const char* text1 = "testing paste\r";
    const char* text1_step1 = "testing paste\r\ntesting paste\r\n";
    const char* text1_after = "testing paste\r\n";
    const char* text2 = "testing paste\r\rtesting paste";
    const char* text2_after = "testing paste\r\n\r\ntesting paste";
    const char* text3 = "testing paste\r\npaste\r\ntesting paste";
    HWND hwndRichEdit = new_richedit(NULL);

    /* Native riched20 won't obey WM_CHAR messages or WM_KEYDOWN/WM_KEYUP
       messages, probably because it inspects the keyboard state itself.
       Therefore, native requires this in order to obey Ctrl-<key> keystrokes.
     */
#define SEND_CTRL_KEY(hwnd, k) \
    keybd_event(VK_CONTROL, 0x1d, 0, 0);\
    keybd_event(k[0], k[1], 0, 0);\
    keybd_event(k[0], k[1], KEYEVENTF_KEYUP, 0);\
    keybd_event(VK_CONTROL, 0x1d, KEYEVENTF_KEYUP, 0); \
    while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) { \
        TranslateMessage(&msg); \
        DispatchMessage(&msg); \
    }

#define SEND_CTRL_C(hwnd) SEND_CTRL_KEY(hwnd, key_info[0])
#define SEND_CTRL_X(hwnd) SEND_CTRL_KEY(hwnd, key_info[1])
#define SEND_CTRL_V(hwnd) SEND_CTRL_KEY(hwnd, key_info[2])
#define SEND_CTRL_Z(hwnd) SEND_CTRL_KEY(hwnd, key_info[3])
#define SEND_CTRL_Y(hwnd) SEND_CTRL_KEY(hwnd, key_info[4])

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) text1);
    SendMessage(hwndRichEdit, EM_SETSEL, 0, 14);

    SEND_CTRL_C(hwndRichEdit)   /* Copy */
    SendMessage(hwndRichEdit, EM_SETSEL, 14, 14);
    SEND_CTRL_V(hwndRichEdit)   /* Paste */
    SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    /* Pasted text should be visible at this step */
    result = strcmp(text1_step1, buffer);
    ok(result == 0,
        "test paste: strcmp = %i\n", result);
    SEND_CTRL_Z(hwndRichEdit)   /* Undo */
    SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    /* Text should be the same as before (except for \r -> \r\n conversion) */
    result = strcmp(text1_after, buffer);
    ok(result == 0,
        "test paste: strcmp = %i\n", result);

    SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) text2);
    SendMessage(hwndRichEdit, EM_SETSEL, 8, 13);
    SEND_CTRL_C(hwndRichEdit)   /* Copy */
    SendMessage(hwndRichEdit, EM_SETSEL, 14, 14);
    SEND_CTRL_V(hwndRichEdit)   /* Paste */
    SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    /* Pasted text should be visible at this step */
    result = strcmp(text3, buffer);
    ok(result == 0,
        "test paste: strcmp = %i\n", result);
    SEND_CTRL_Z(hwndRichEdit)   /* Undo */
    SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    /* Text should be the same as before (except for \r -> \r\n conversion) */
    result = strcmp(text2_after, buffer);
    ok(result == 0,
        "test paste: strcmp = %i\n", result);
    SEND_CTRL_Y(hwndRichEdit)   /* Redo */
    SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
    /* Text should revert to post-paste state */
    result = strcmp(buffer,text3);
    ok(result == 0,
        "test paste: strcmp = %i\n", result);

    DestroyWindow(hwndRichEdit);
}

static void test_EM_FORMATRANGE(void)
{
  int r;
  FORMATRANGE fr;
  HDC hdc;
  HWND hwndRichEdit = new_richedit(NULL);

  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) haystack);

  hdc = GetDC(hwndRichEdit);
  ok(hdc != NULL, "Could not get HDC\n");

  fr.hdc = fr.hdcTarget = hdc;
  fr.rc.top = fr.rcPage.top = fr.rc.left = fr.rcPage.left = 0;
  fr.rc.right = fr.rcPage.right = GetDeviceCaps(hdc, HORZRES);
  fr.rc.bottom = fr.rcPage.bottom = GetDeviceCaps(hdc, VERTRES);
  fr.chrg.cpMin = 0;
  fr.chrg.cpMax = 20;

  r = SendMessage(hwndRichEdit, EM_FORMATRANGE, TRUE, (LPARAM) NULL);
  todo_wine {
    ok(r == 31, "EM_FORMATRANGE expect %d, got %d\n", 31, r);
  }

  r = SendMessage(hwndRichEdit, EM_FORMATRANGE, TRUE, (LPARAM) &fr);
  todo_wine {
    ok(r == 20, "EM_FORMATRANGE expect %d, got %d\n", 20, r);
  }

  fr.chrg.cpMin = 0;
  fr.chrg.cpMax = 10;

  r = SendMessage(hwndRichEdit, EM_FORMATRANGE, TRUE, (LPARAM) &fr);
  todo_wine {
    ok(r == 10, "EM_FORMATRANGE expect %d, got %d\n", 10, r);
  }

  r = SendMessage(hwndRichEdit, EM_FORMATRANGE, TRUE, (LPARAM) NULL);
  todo_wine {
    ok(r == 31, "EM_FORMATRANGE expect %d, got %d\n", 31, r);
  }

  DestroyWindow(hwndRichEdit);
}

static int nCallbackCount = 0;

static DWORD CALLBACK EditStreamCallback(DWORD_PTR dwCookie, LPBYTE pbBuff,
				 LONG cb, LONG* pcb)
{
  const char text[] = {'t','e','s','t'};

  if (sizeof(text) <= cb)
  {
    if ((int)dwCookie != nCallbackCount)
    {
      *pcb = 0;
      return 0;
    }

    memcpy (pbBuff, text, sizeof(text));
    *pcb = sizeof(text);

    nCallbackCount++;

    return 0;
  }
  else
    return 1; /* indicates callback failed */
}

static DWORD CALLBACK test_EM_STREAMIN_esCallback(DWORD_PTR dwCookie,
                                         LPBYTE pbBuff,
                                         LONG cb,
                                         LONG *pcb)
{
  const char** str = (const char**)dwCookie;
  int size = strlen(*str);
  *pcb = cb;
  if (*pcb > size) {
    *pcb = size;
  }
  if (*pcb > 0) {
    memcpy(pbBuff, *str, *pcb);
    *str += *pcb;
  }
  return 0;
}


static void test_EM_STREAMIN(void)
{
  HWND hwndRichEdit = new_richedit(NULL);
  LRESULT result;
  EDITSTREAM es;
  char buffer[1024] = {0};

  const char * streamText0 = "{\\rtf1 TestSomeText}";
  const char * streamText0a = "{\\rtf1 TestSomeText\\par}";
  const char * streamText0b = "{\\rtf1 TestSomeText\\par\\par}";

  const char * streamText1 =
  "{\\rtf1\\ansi\\ansicpg1252\\deff0\\deflang12298{\\fonttbl{\\f0\\fswiss\\fprq2\\fcharset0 System;}}\r\n" \
  "\\viewkind4\\uc1\\pard\\f0\\fs17 TestSomeText\\par\r\n" \
  "}\r\n";

  /* In richedit 2.0 mode, this should NOT be accepted, unlike 1.0 */
  const char * streamText2 =
    "{{\\colortbl;\\red0\\green255\\blue102;\\red255\\green255\\blue255;" \
    "\\red170\\green255\\blue255;\\red255\\green238\\blue0;\\red51\\green255" \
    "\\blue221;\\red238\\green238\\blue238;}\\tx0 \\tx424 \\tx848 \\tx1272 " \
    "\\tx1696 \\tx2120 \\tx2544 \\tx2968 \\tx3392 \\tx3816 \\tx4240 \\tx4664 " \
    "\\tx5088 \\tx5512 \\tx5936 \\tx6360 \\tx6784 \\tx7208 \\tx7632 \\tx8056 " \
    "\\tx8480 \\tx8904 \\tx9328 \\tx9752 \\tx10176 \\tx10600 \\tx11024 " \
    "\\tx11448 \\tx11872 \\tx12296 \\tx12720 \\tx13144 \\cf2 RichEdit1\\line }";

  const char * streamText3 = "RichEdit1";

  /* Minimal test without \par at the end */
  es.dwCookie = (DWORD_PTR)&streamText0;
  es.dwError = 0;
  es.pfnCallback = test_EM_STREAMIN_esCallback;
  SendMessage(hwndRichEdit, EM_STREAMIN,
              (WPARAM)(SF_RTF), (LPARAM)&es);

  result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  ok (result  == 12,
      "EM_STREAMIN: Test 0 returned %ld, expected 12\n", result);
  result = strcmp (buffer,"TestSomeText");
  ok (result  == 0,
      "EM_STREAMIN: Test 0 set wrong text: Result: %s\n",buffer);
  ok(es.dwError == 0, "EM_STREAMIN: Test 0 set error %d, expected %d\n", es.dwError, 0);

  /* Native richedit 2.0 ignores last \par */
  es.dwCookie = (DWORD_PTR)&streamText0a;
  es.dwError = 0;
  es.pfnCallback = test_EM_STREAMIN_esCallback;
  SendMessage(hwndRichEdit, EM_STREAMIN,
              (WPARAM)(SF_RTF), (LPARAM)&es);

  result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  ok (result  == 12,
      "EM_STREAMIN: Test 0-a returned %ld, expected 12\n", result);
  result = strcmp (buffer,"TestSomeText");
  ok (result  == 0,
      "EM_STREAMIN: Test 0-a set wrong text: Result: %s\n",buffer);
  ok(es.dwError == 0, "EM_STREAMIN: Test 0-a set error %d, expected %d\n", es.dwError, 0);

  /* Native richedit 2.0 ignores last \par, next-to-last \par appears */
  es.dwCookie = (DWORD_PTR)&streamText0b;
  es.dwError = 0;
  es.pfnCallback = test_EM_STREAMIN_esCallback;
  SendMessage(hwndRichEdit, EM_STREAMIN,
              (WPARAM)(SF_RTF), (LPARAM)&es);

  result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  ok (result  == 14,
      "EM_STREAMIN: Test 0-b returned %ld, expected 14\n", result);
  result = strcmp (buffer,"TestSomeText\r\n");
  ok (result  == 0,
      "EM_STREAMIN: Test 0-b set wrong text: Result: %s\n",buffer);
  ok(es.dwError == 0, "EM_STREAMIN: Test 0-b set error %d, expected %d\n", es.dwError, 0);

  es.dwCookie = (DWORD_PTR)&streamText1;
  es.dwError = 0;
  es.pfnCallback = test_EM_STREAMIN_esCallback;
  SendMessage(hwndRichEdit, EM_STREAMIN,
              (WPARAM)(SF_RTF), (LPARAM)&es);

  result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  ok (result  == 12,
      "EM_STREAMIN: Test 1 returned %ld, expected 12\n", result);
  result = strcmp (buffer,"TestSomeText");
  ok (result  == 0,
      "EM_STREAMIN: Test 1 set wrong text: Result: %s\n",buffer);
  ok(es.dwError == 0, "EM_STREAMIN: Test 1 set error %d, expected %d\n", es.dwError, 0);

  es.dwCookie = (DWORD_PTR)&streamText2;
  es.dwError = 0;
  SendMessage(hwndRichEdit, EM_STREAMIN,
              (WPARAM)(SF_RTF), (LPARAM)&es);

  result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  ok (result  == 0,
      "EM_STREAMIN: Test 2 returned %ld, expected 0\n", result);
  ok (strlen(buffer)  == 0,
      "EM_STREAMIN: Test 2 set wrong text: Result: %s\n",buffer);
  ok(es.dwError == -16, "EM_STREAMIN: Test 2 set error %d, expected %d\n", es.dwError, -16);

  es.dwCookie = (DWORD_PTR)&streamText3;
  es.dwError = 0;
  SendMessage(hwndRichEdit, EM_STREAMIN,
              (WPARAM)(SF_RTF), (LPARAM)&es);

  result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  ok (result  == 0,
      "EM_STREAMIN: Test 3 returned %ld, expected 0\n", result);
  ok (strlen(buffer)  == 0,
      "EM_STREAMIN: Test 3 set wrong text: Result: %s\n",buffer);
  ok(es.dwError == -16, "EM_STREAMIN: Test 3 set error %d, expected %d\n", es.dwError, -16);

  DestroyWindow(hwndRichEdit);
}

static void test_EM_StreamIn_Undo(void)
{
  /* The purpose of this test is to determine when a EM_StreamIn should be
   * undoable. This is important because WM_PASTE currently uses StreamIn and
   * pasting should always be undoable but streaming isn't always.
   *
   * cases to test:
   * StreamIn plain text without SFF_SELECTION.
   * StreamIn plain text with SFF_SELECTION set but a zero-length selection
   * StreamIn plain text with SFF_SELECTION and a valid, normal selection
   * StreamIn plain text with SFF_SELECTION and a backwards-selection (from>to)
   * Feel free to add tests for other text modes or StreamIn things.
   */


  HWND hwndRichEdit = new_richedit(NULL);
  LRESULT result;
  EDITSTREAM es;
  char buffer[1024] = {0};
  const char randomtext[] = "Some text";

  es.pfnCallback = (EDITSTREAMCALLBACK) EditStreamCallback;

  /* StreamIn, no SFF_SELECTION */
  es.dwCookie = nCallbackCount;
  SendMessage(hwndRichEdit,EM_EMPTYUNDOBUFFER, 0,0);
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) randomtext);
  SendMessage(hwndRichEdit, EM_SETSEL,0,0);
  SendMessage(hwndRichEdit, EM_STREAMIN, (WPARAM)SF_TEXT, (LPARAM)&es);
  SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  result = strcmp (buffer,"test");
  ok (result  == 0,
      "EM_STREAMIN: Test 1 set wrong text: Result: %s\n",buffer);

  result = SendMessage(hwndRichEdit, EM_CANUNDO, 0, 0);
  ok (result == FALSE,
      "EM_STREAMIN without SFF_SELECTION wrongly allows undo\n");

  /* StreamIn, SFF_SELECTION, but nothing selected */
  es.dwCookie = nCallbackCount;
  SendMessage(hwndRichEdit,EM_EMPTYUNDOBUFFER, 0,0);
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) randomtext);
  SendMessage(hwndRichEdit, EM_SETSEL,0,0);
  SendMessage(hwndRichEdit, EM_STREAMIN,
	      (WPARAM)(SF_TEXT|SFF_SELECTION), (LPARAM)&es);
  SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  result = strcmp (buffer,"testSome text");
  ok (result  == 0,
      "EM_STREAMIN: Test 2 set wrong text: Result: %s\n",buffer);

  result = SendMessage(hwndRichEdit, EM_CANUNDO, 0, 0);
  ok (result == TRUE,
     "EM_STREAMIN with SFF_SELECTION but no selection set "
      "should create an undo\n");

  /* StreamIn, SFF_SELECTION, with a selection */
  es.dwCookie = nCallbackCount;
  SendMessage(hwndRichEdit,EM_EMPTYUNDOBUFFER, 0,0);
  SendMessage(hwndRichEdit, WM_SETTEXT, 0, (LPARAM) randomtext);
  SendMessage(hwndRichEdit, EM_SETSEL,4,5);
  SendMessage(hwndRichEdit, EM_STREAMIN,
	      (WPARAM)(SF_TEXT|SFF_SELECTION), (LPARAM)&es);
  SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
  result = strcmp (buffer,"Sometesttext");
  ok (result  == 0,
      "EM_STREAMIN: Test 2 set wrong text: Result: %s\n",buffer);

  result = SendMessage(hwndRichEdit, EM_CANUNDO, 0, 0);
  ok (result == TRUE,
      "EM_STREAMIN with SFF_SELECTION and selection set "
      "should create an undo\n");

}

static BOOL is_em_settextex_supported(HWND hwnd)
{
    SETTEXTEX stex = { ST_DEFAULT, CP_ACP };
    return SendMessageA(hwnd, EM_SETTEXTEX, (WPARAM)&stex, 0) != 0;
}

static void test_unicode_conversions(void)
{
    static const WCHAR tW[] = {'t',0};
    static const WCHAR teW[] = {'t','e',0};
    static const WCHAR textW[] = {'t','e','s','t',0};
    static const char textA[] = "test";
    char bufA[64];
    WCHAR bufW[64];
    HWND hwnd;
    int is_win9x, em_settextex_supported, ret;

    is_win9x = GetVersion() & 0x80000000;

#define set_textA(hwnd, wm_set_text, txt) \
    do { \
        SETTEXTEX stex = { ST_DEFAULT, CP_ACP }; \
        WPARAM wparam = (wm_set_text == WM_SETTEXT) ? 0 : (WPARAM)&stex; \
        assert(wm_set_text == WM_SETTEXT || wm_set_text == EM_SETTEXTEX); \
        ret = SendMessageA(hwnd, wm_set_text, wparam, (LPARAM)txt); \
        ok(ret, "SendMessageA(%02x) error %u\n", wm_set_text, GetLastError()); \
    } while(0)
#define expect_textA(hwnd, wm_get_text, txt) \
    do { \
        GETTEXTEX gtex = { 64, GT_DEFAULT, CP_ACP, NULL, NULL }; \
        WPARAM wparam = (wm_get_text == WM_GETTEXT) ? 64 : (WPARAM)&gtex; \
        assert(wm_get_text == WM_GETTEXT || wm_get_text == EM_GETTEXTEX); \
        memset(bufA, 0xAA, sizeof(bufA)); \
        ret = SendMessageA(hwnd, wm_get_text, wparam, (LPARAM)bufA); \
        ok(ret, "SendMessageA(%02x) error %u\n", wm_get_text, GetLastError()); \
        ret = lstrcmpA(bufA, txt); \
        ok(!ret, "%02x: strings do not match: expected %s got %s\n", wm_get_text, txt, bufA); \
    } while(0)

#define set_textW(hwnd, wm_set_text, txt) \
    do { \
        SETTEXTEX stex = { ST_DEFAULT, 1200 }; \
        WPARAM wparam = (wm_set_text == WM_SETTEXT) ? 0 : (WPARAM)&stex; \
        assert(wm_set_text == WM_SETTEXT || wm_set_text == EM_SETTEXTEX); \
        ret = SendMessageW(hwnd, wm_set_text, wparam, (LPARAM)txt); \
        ok(ret, "SendMessageW(%02x) error %u\n", wm_set_text, GetLastError()); \
    } while(0)
#define expect_textW(hwnd, wm_get_text, txt) \
    do { \
        GETTEXTEX gtex = { 64, GT_DEFAULT, 1200, NULL, NULL }; \
        WPARAM wparam = (wm_get_text == WM_GETTEXT) ? 64 : (WPARAM)&gtex; \
        assert(wm_get_text == WM_GETTEXT || wm_get_text == EM_GETTEXTEX); \
        memset(bufW, 0xAA, sizeof(bufW)); \
        if (is_win9x) \
        { \
            assert(wm_get_text == EM_GETTEXTEX); \
            ret = SendMessageA(hwnd, wm_get_text, wparam, (LPARAM)bufW); \
            ok(ret, "SendMessageA(%02x) error %u\n", wm_get_text, GetLastError()); \
        } \
        else \
        { \
            ret = SendMessageW(hwnd, wm_get_text, wparam, (LPARAM)bufW); \
            ok(ret, "SendMessageW(%02x) error %u\n", wm_get_text, GetLastError()); \
        } \
        ret = lstrcmpW(bufW, txt); \
        ok(!ret, "%02x: strings do not match: expected[0] %x got[0] %x\n", wm_get_text, txt[0], bufW[0]); \
    } while(0)
#define expect_empty(hwnd, wm_get_text) \
    do { \
        GETTEXTEX gtex = { 64, GT_DEFAULT, CP_ACP, NULL, NULL }; \
        WPARAM wparam = (wm_get_text == WM_GETTEXT) ? 64 : (WPARAM)&gtex; \
        assert(wm_get_text == WM_GETTEXT || wm_get_text == EM_GETTEXTEX); \
        memset(bufA, 0xAA, sizeof(bufA)); \
        ret = SendMessageA(hwnd, wm_get_text, wparam, (LPARAM)bufA); \
        ok(!ret, "empty richedit should return 0, got %d\n", ret); \
        ok(!*bufA, "empty richedit should return empty string, got %s\n", bufA); \
    } while(0)

    hwnd = CreateWindowExA(0, "RichEdit20W", NULL, WS_POPUP,
                           0, 0, 200, 60, 0, 0, 0, 0);
    ok(hwnd != 0, "CreateWindowExA error %u\n", GetLastError());

    ret = IsWindowUnicode(hwnd);
    if (is_win9x)
        ok(!ret, "RichEdit20W should NOT be unicode under Win9x\n");
    else
        ok(ret, "RichEdit20W should be unicode under NT\n");

    /* EM_SETTEXTEX is supported starting from version 3.0 */
    em_settextex_supported = is_em_settextex_supported(hwnd);
    trace("EM_SETTEXTEX is %ssupported on this platform\n",
          em_settextex_supported ? "" : "NOT ");

    expect_empty(hwnd, WM_GETTEXT);
    expect_empty(hwnd, EM_GETTEXTEX);

    ret = SendMessageA(hwnd, WM_CHAR, (WPARAM)textW[0], 0);
    ok(!ret, "SendMessageA(WM_CHAR) should return 0, got %d\n", ret);
    expect_textA(hwnd, WM_GETTEXT, "t");
    expect_textA(hwnd, EM_GETTEXTEX, "t");
    expect_textW(hwnd, EM_GETTEXTEX, tW);

    ret = SendMessageA(hwnd, WM_CHAR, (WPARAM)textA[1], 0);
    ok(!ret, "SendMessageA(WM_CHAR) should return 0, got %d\n", ret);
    expect_textA(hwnd, WM_GETTEXT, "te");
    expect_textA(hwnd, EM_GETTEXTEX, "te");
    expect_textW(hwnd, EM_GETTEXTEX, teW);

    set_textA(hwnd, WM_SETTEXT, NULL);
    expect_empty(hwnd, WM_GETTEXT);
    expect_empty(hwnd, EM_GETTEXTEX);

    if (is_win9x)
        set_textA(hwnd, WM_SETTEXT, textW);
    else
        set_textA(hwnd, WM_SETTEXT, textA);
    expect_textA(hwnd, WM_GETTEXT, textA);
    expect_textA(hwnd, EM_GETTEXTEX, textA);
    expect_textW(hwnd, EM_GETTEXTEX, textW);

    if (em_settextex_supported)
    {
        set_textA(hwnd, EM_SETTEXTEX, textA);
        expect_textA(hwnd, WM_GETTEXT, textA);
        expect_textA(hwnd, EM_GETTEXTEX, textA);
        expect_textW(hwnd, EM_GETTEXTEX, textW);
    }

    if (!is_win9x)
    {
        set_textW(hwnd, WM_SETTEXT, textW);
        expect_textW(hwnd, WM_GETTEXT, textW);
        expect_textA(hwnd, WM_GETTEXT, textA);
        expect_textW(hwnd, EM_GETTEXTEX, textW);
        expect_textA(hwnd, EM_GETTEXTEX, textA);

        if (em_settextex_supported)
        {
            set_textW(hwnd, EM_SETTEXTEX, textW);
            expect_textW(hwnd, WM_GETTEXT, textW);
            expect_textA(hwnd, WM_GETTEXT, textA);
            expect_textW(hwnd, EM_GETTEXTEX, textW);
            expect_textA(hwnd, EM_GETTEXTEX, textA);
        }
    }
    DestroyWindow(hwnd);

    hwnd = CreateWindowExA(0, "RichEdit20A", NULL, WS_POPUP,
                           0, 0, 200, 60, 0, 0, 0, 0);
    ok(hwnd != 0, "CreateWindowExA error %u\n", GetLastError());

    ret = IsWindowUnicode(hwnd);
    ok(!ret, "RichEdit20A should NOT be unicode\n");

    set_textA(hwnd, WM_SETTEXT, textA);
    expect_textA(hwnd, WM_GETTEXT, textA);
    expect_textA(hwnd, EM_GETTEXTEX, textA);
    expect_textW(hwnd, EM_GETTEXTEX, textW);

    if (em_settextex_supported)
    {
        set_textA(hwnd, EM_SETTEXTEX, textA);
        expect_textA(hwnd, WM_GETTEXT, textA);
        expect_textA(hwnd, EM_GETTEXTEX, textA);
        expect_textW(hwnd, EM_GETTEXTEX, textW);
    }

    if (!is_win9x)
    {
        set_textW(hwnd, WM_SETTEXT, textW);
        expect_textW(hwnd, WM_GETTEXT, textW);
        expect_textA(hwnd, WM_GETTEXT, textA);
        expect_textW(hwnd, EM_GETTEXTEX, textW);
        expect_textA(hwnd, EM_GETTEXTEX, textA);

        if (em_settextex_supported)
        {
            set_textW(hwnd, EM_SETTEXTEX, textW);
            expect_textW(hwnd, WM_GETTEXT, textW);
            expect_textA(hwnd, WM_GETTEXT, textA);
            expect_textW(hwnd, EM_GETTEXTEX, textW);
            expect_textA(hwnd, EM_GETTEXTEX, textA);
        }
    }
    DestroyWindow(hwnd);
}

static void test_WM_CHAR(void)
{
    HWND hwnd;
    int ret;
    const char * char_list = "abc\rabc\r";
    const char * expected_content_single = "abcabc";
    const char * expected_content_multi = "abc\r\nabc\r\n";
    char buffer[64] = {0};
    const char * p;

    /* single-line control must IGNORE carriage returns */
    hwnd = CreateWindowExA(0, "RichEdit20W", NULL, WS_POPUP,
                           0, 0, 200, 60, 0, 0, 0, 0);
    ok(hwnd != 0, "CreateWindowExA error %u\n", GetLastError());

    p = char_list;
    while (*p != '\0') {
        SendMessageA(hwnd, WM_KEYDOWN, *p, 1);
        ret = SendMessageA(hwnd, WM_CHAR, *p, 1);
        ok(ret == 0, "WM_CHAR('%c') ret=%d\n", *p, ret);
        SendMessageA(hwnd, WM_KEYUP, *p, 1);
        p++;
    }

    SendMessage(hwnd, WM_GETTEXT, sizeof(buffer), (LPARAM)buffer);
    ret = strcmp(buffer, expected_content_single);
    ok(ret == 0, "WM_GETTEXT recovered incorrect string!\n");

    DestroyWindow(hwnd);

    /* multi-line control inserts CR normally */
    hwnd = CreateWindowExA(0, "RichEdit20W", NULL, WS_POPUP|ES_MULTILINE,
                           0, 0, 200, 60, 0, 0, 0, 0);
    ok(hwnd != 0, "CreateWindowExA error %u\n", GetLastError());

    p = char_list;
    while (*p != '\0') {
        SendMessageA(hwnd, WM_KEYDOWN, *p, 1);
        ret = SendMessageA(hwnd, WM_CHAR, *p, 1);
        ok(ret == 0, "WM_CHAR('%c') ret=%d\n", *p, ret);
        SendMessageA(hwnd, WM_KEYUP, *p, 1);
        p++;
    }

    SendMessage(hwnd, WM_GETTEXT, sizeof(buffer), (LPARAM)buffer);
    ret = strcmp(buffer, expected_content_multi);
    ok(ret == 0, "WM_GETTEXT recovered incorrect string!\n");

    DestroyWindow(hwnd);
}

static void test_EM_GETTEXTLENGTHEX(void)
{
    HWND hwnd;
    GETTEXTLENGTHEX gtl;
    int ret;
    const char * base_string = "base string";
    const char * test_string = "a\nb\n\n\r\n";
    const char * test_string_after = "a";
    const char * test_string_2 = "a\rtest\rstring";
    char buffer[64] = {0};

    /* single line */
    hwnd = CreateWindowExA(0, "RichEdit20W", NULL, WS_POPUP,
                           0, 0, 200, 60, 0, 0, 0, 0);
    ok(hwnd != 0, "CreateWindowExA error %u\n", GetLastError());

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE | GTL_USECRLF;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == 0, "ret %d\n",ret);

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == 0, "ret %d\n",ret);

    SendMessage(hwnd, WM_SETTEXT, 0, (LPARAM) base_string);

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE | GTL_USECRLF;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == strlen(base_string), "ret %d\n",ret);

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == strlen(base_string), "ret %d\n",ret);

    SendMessage(hwnd, WM_SETTEXT, 0, (LPARAM) test_string);

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE | GTL_USECRLF;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == 1, "ret %d\n",ret);

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == 1, "ret %d\n",ret);

    SendMessage(hwnd, WM_GETTEXT, sizeof(buffer), (LPARAM)buffer);
    ret = strcmp(buffer, test_string_after);
    ok(ret == 0, "WM_GETTEXT recovered incorrect string!\n");

    DestroyWindow(hwnd);

    /* multi line */
    hwnd = CreateWindowExA(0, "RichEdit20W", NULL, WS_POPUP | ES_MULTILINE,
                           0, 0, 200, 60, 0, 0, 0, 0);
    ok(hwnd != 0, "CreateWindowExA error %u\n", GetLastError());

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE | GTL_USECRLF;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == 0, "ret %d\n",ret);

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == 0, "ret %d\n",ret);

    SendMessage(hwnd, WM_SETTEXT, 0, (LPARAM) base_string);

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE | GTL_USECRLF;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == strlen(base_string), "ret %d\n",ret);

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == strlen(base_string), "ret %d\n",ret);

    SendMessage(hwnd, WM_SETTEXT, 0, (LPARAM) test_string_2);

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE | GTL_USECRLF;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == strlen(test_string_2) + 2, "ret %d\n",ret);

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == strlen(test_string_2), "ret %d\n",ret);

    SendMessage(hwnd, WM_SETTEXT, 0, (LPARAM) test_string);

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE | GTL_USECRLF;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == 10, "ret %d\n",ret);

    gtl.flags = GTL_NUMCHARS | GTL_PRECISE;
    gtl.codepage = CP_ACP;
    ret = SendMessageA(hwnd, EM_GETTEXTLENGTHEX, (WPARAM)&gtl, 0);
    ok(ret == 6, "ret %d\n",ret);

    DestroyWindow(hwnd);
}


/* globals that parent and child access when checking event masks & notifications */
static HWND eventMaskEditHwnd = 0;
static int queriedEventMask;
static int watchForEventMask = 0;

/* parent proc that queries the edit's event mask when it gets a WM_COMMAND */
static LRESULT WINAPI ParentMsgCheckProcA(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    if(message == WM_COMMAND && (watchForEventMask & (wParam >> 16)))
    {
      queriedEventMask = SendMessage(eventMaskEditHwnd, EM_GETEVENTMASK, 0, 0);
    }
    return DefWindowProcA(hwnd, message, wParam, lParam);
}

/* test event masks in combination with WM_COMMAND */
static void test_eventMask(void)
{
    HWND parent;
    int ret;
    WNDCLASSA cls;
    const char text[] = "foo bar\n";
    int eventMask;

    /* register class to capture WM_COMMAND */
    cls.style = 0;
    cls.lpfnWndProc = ParentMsgCheckProcA;
    cls.cbClsExtra = 0;
    cls.cbWndExtra = 0;
    cls.hInstance = GetModuleHandleA(0);
    cls.hIcon = 0;
    cls.hCursor = LoadCursorA(0, (LPSTR)IDC_ARROW);
    cls.hbrBackground = GetStockObject(WHITE_BRUSH);
    cls.lpszMenuName = NULL;
    cls.lpszClassName = "EventMaskParentClass";
    if(!RegisterClassA(&cls)) assert(0);

    parent = CreateWindow(cls.lpszClassName, NULL, WS_POPUP|WS_VISIBLE,
                          0, 0, 200, 60, NULL, NULL, NULL, NULL);
    ok (parent != 0, "Failed to create parent window\n");

    eventMaskEditHwnd = new_richedit(parent);
    ok(eventMaskEditHwnd != 0, "Failed to create edit window\n");

    eventMask = ENM_CHANGE | ENM_UPDATE;
    ret = SendMessage(eventMaskEditHwnd, EM_SETEVENTMASK, 0, (LPARAM) eventMask);
    ok(ret == ENM_NONE, "wrong event mask\n");
    ret = SendMessage(eventMaskEditHwnd, EM_GETEVENTMASK, 0, 0);
    ok(ret == eventMask, "failed to set event mask\n");

    /* check what happens when we ask for EN_CHANGE and send WM_SETTEXT */
    queriedEventMask = 0;  /* initialize to something other than we expect */
    watchForEventMask = EN_CHANGE;
    ret = SendMessage(eventMaskEditHwnd, WM_SETTEXT, 0, (LPARAM) text);
    ok(ret == TRUE, "failed to set text\n");
    /* richedit should mask off ENM_CHANGE when it sends an EN_CHANGE
       notification in response to WM_SETTEXT */
    ok(queriedEventMask == (eventMask & ~ENM_CHANGE),
            "wrong event mask (0x%x) during WM_COMMAND\n", queriedEventMask);

}

static int received_WM_NOTIFY = 0;
static int modify_at_WM_NOTIFY = 0;
static HWND hwndRichedit_WM_NOTIFY;

static LRESULT WINAPI WM_NOTIFY_ParentMsgCheckProcA(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    if(message == WM_NOTIFY)
    {
      received_WM_NOTIFY = 1;
      modify_at_WM_NOTIFY = SendMessage(hwndRichedit_WM_NOTIFY, EM_GETMODIFY, 0, 0);
    }
    return DefWindowProcA(hwnd, message, wParam, lParam);
}

static void test_WM_NOTIFY(void)
{
    HWND parent;
    WNDCLASSA cls;
    CHARFORMAT2 cf2;

    /* register class to capture WM_NOTIFY */
    cls.style = 0;
    cls.lpfnWndProc = WM_NOTIFY_ParentMsgCheckProcA;
    cls.cbClsExtra = 0;
    cls.cbWndExtra = 0;
    cls.hInstance = GetModuleHandleA(0);
    cls.hIcon = 0;
    cls.hCursor = LoadCursorA(0, (LPSTR)IDC_ARROW);
    cls.hbrBackground = GetStockObject(WHITE_BRUSH);
    cls.lpszMenuName = NULL;
    cls.lpszClassName = "WM_NOTIFY_ParentClass";
    if(!RegisterClassA(&cls)) assert(0);

    parent = CreateWindow(cls.lpszClassName, NULL, WS_POPUP|WS_VISIBLE,
                          0, 0, 200, 60, NULL, NULL, NULL, NULL);
    ok (parent != 0, "Failed to create parent window\n");

    hwndRichedit_WM_NOTIFY = new_richedit(parent);
    ok(hwndRichedit_WM_NOTIFY != 0, "Failed to create edit window\n");

    SendMessage(hwndRichedit_WM_NOTIFY, EM_SETEVENTMASK, 0, ENM_SELCHANGE);

    /* Notifications for selection change should only be sent when selection
       actually changes. EM_SETCHARFORMAT is one message that calls
       ME_CommitUndo, which should check whether message should be sent */
    received_WM_NOTIFY = 0;
    cf2.cbSize = sizeof(CHARFORMAT2);
    SendMessage(hwndRichedit_WM_NOTIFY, EM_GETCHARFORMAT, (WPARAM) SCF_DEFAULT,
             (LPARAM) &cf2);
    cf2.dwMask = CFM_ITALIC | cf2.dwMask;
    cf2.dwEffects = CFE_ITALIC ^ cf2.dwEffects;
    SendMessage(hwndRichedit_WM_NOTIFY, EM_SETCHARFORMAT, 0, (LPARAM) &cf2);
    ok(received_WM_NOTIFY == 0, "Unexpected WM_NOTIFY was sent!\n");

    /* WM_SETTEXT should NOT cause a WM_NOTIFY to be sent when selection is
       already at 0. */
    received_WM_NOTIFY = 0;
    modify_at_WM_NOTIFY = 0;
    SendMessage(hwndRichedit_WM_NOTIFY, WM_SETTEXT, 0, (LPARAM)"sometext");
    ok(received_WM_NOTIFY == 0, "Unexpected WM_NOTIFY was sent!\n");
    ok(modify_at_WM_NOTIFY == 0, "WM_NOTIFY callback saw text flagged as modified!\n");

    received_WM_NOTIFY = 0;
    modify_at_WM_NOTIFY = 0;
    SendMessage(hwndRichedit_WM_NOTIFY, EM_SETSEL, 4, 4);
    ok(received_WM_NOTIFY == 1, "Expected WM_NOTIFY was NOT sent!\n");

    received_WM_NOTIFY = 0;
    modify_at_WM_NOTIFY = 0;
    SendMessage(hwndRichedit_WM_NOTIFY, WM_SETTEXT, 0, (LPARAM)"sometext");
    ok(received_WM_NOTIFY == 1, "Expected WM_NOTIFY was NOT sent!\n");
    ok(modify_at_WM_NOTIFY == 0, "WM_NOTIFY callback saw text flagged as modified!\n");

    DestroyWindow(hwndRichedit_WM_NOTIFY);
    DestroyWindow(parent);
}

START_TEST( editor )
{
  MSG msg;
  time_t end;

  /* Must explicitly LoadLibrary(). The test has no references to functions in
   * RICHED20.DLL, so the linker doesn't actually link to it. */
  hmoduleRichEdit = LoadLibrary("RICHED20.DLL");
  ok(hmoduleRichEdit != NULL, "error: %d\n", (int) GetLastError());
  test_WM_CHAR();
  test_EM_FINDTEXT();
  test_EM_GETLINE();
  test_EM_SCROLLCARET();
  test_EM_SCROLL();
  test_WM_SETTEXT();
  test_EM_LINELENGTH();
  test_EM_SETCHARFORMAT();
  test_EM_SETTEXTMODE();
  test_TM_PLAINTEXT();
  test_EM_SETOPTIONS();
  test_WM_GETTEXT();
  test_EM_GETTEXTRANGE();
  test_EM_GETSELTEXT();
  test_EM_AUTOURLDETECT();
  test_EM_SETUNDOLIMIT();
  test_ES_PASSWORD();
  test_EM_SETTEXTEX();
  test_EM_LIMITTEXT();
  test_EM_EXLIMITTEXT();
  test_EM_GETLIMITTEXT();
  test_WM_SETFONT();
  test_EM_GETMODIFY();
  test_EM_EXSETSEL();
  test_WM_PASTE();
  test_EM_STREAMIN();
  test_EM_STREAMOUT();
  test_EM_StreamIn_Undo();
  test_EM_FORMATRANGE();
  test_unicode_conversions();
  test_EM_GETTEXTLENGTHEX();
  test_EM_REPLACESEL(1);
  test_EM_REPLACESEL(0);
  test_WM_NOTIFY();
  test_eventMask();

  /* Set the environment variable WINETEST_RICHED20 to keep windows
   * responsive and open for 30 seconds. This is useful for debugging.
   *
   * The message pump uses PeekMessage() to empty the queue and then sleeps for
   * 50ms before retrying the queue. */
  end = time(NULL) + 30;
  if (getenv( "WINETEST_RICHED20" )) {
    while (time(NULL) < end) {
      if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
      } else {
        Sleep(50);
      }
    }
  }

  OleFlushClipboard();
  ok(FreeLibrary(hmoduleRichEdit) != 0, "error: %d\n", (int) GetLastError());
}