Sweden-Number/dlls/kernel/tests/module.c

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/*
* Unit tests for module/DLL/library API
*
* Copyright (c) 2004 Eric Pouech
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "wine/test.h"
#include <windows.h>
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static BOOL is_unicode_enabled = TRUE;
static BOOL cmpStrAW(const char* a, const WCHAR* b, DWORD lenA, DWORD lenB)
{
WCHAR aw[1024];
DWORD len = MultiByteToWideChar( AreFileApisANSI() ? CP_ACP : CP_OEMCP, 0,
a, lenA, aw, sizeof(aw) / sizeof(aw[0]) );
if (len != lenB) return FALSE;
return memcmp(aw, b, len * sizeof(WCHAR)) == 0;
}
static void testGetModuleFileName(const char* name)
{
HMODULE hMod;
char bufA[MAX_PATH];
WCHAR bufW[MAX_PATH];
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DWORD len1A, len1W = 0, len2A, len2W = 0;
hMod = (name) ? GetModuleHandle(name) : NULL;
/* first test, with enough space in buffer */
memset(bufA, '-', sizeof(bufA));
len1A = GetModuleFileNameA(hMod, bufA, sizeof(bufA));
ok(len1A > 0, "Getting module filename for handle %p\n", hMod);
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if (is_unicode_enabled)
{
memset(bufW, '-', sizeof(bufW));
len1W = GetModuleFileNameW(hMod, bufW, sizeof(bufW) / sizeof(WCHAR));
ok(len1W > 0, "Getting module filename for handle %p\n", hMod);
}
ok(len1A == strlen(bufA), "Unexpected length of GetModuleFilenameA (%ld/%d)\n", len1A, strlen(bufA));
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if (is_unicode_enabled)
{
ok(len1W == lstrlenW(bufW), "Unexpected length of GetModuleFilenameW (%ld/%d)\n", len1W, lstrlenW(bufW));
ok(cmpStrAW(bufA, bufW, len1A, len1W), "Comparing GetModuleFilenameAW results\n");
}
/* second test with a buffer too small */
memset(bufA, '-', sizeof(bufA));
len2A = GetModuleFileNameA(hMod, bufA, len1A / 2);
ok(len2A > 0, "Getting module filename for handle %p\n", hMod);
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if (is_unicode_enabled)
{
memset(bufW, '-', sizeof(bufW));
len2W = GetModuleFileNameW(hMod, bufW, len1W / 2);
ok(len2W > 0, "Getting module filename for handle %p\n", hMod);
ok(cmpStrAW(bufA, bufW, len2A, len2W), "Comparing GetModuleFilenameAW results with buffer too small\n" );
ok(len1W / 2 == len2W, "Correct length in GetModuleFilenameW with buffer too small (%ld/%ld)\n", len1W / 2, len2W);
}
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ok(len1A / 2 == len2A ||
len1A / 2 == len2A + 1, /* Win9x */
"Correct length in GetModuleFilenameA with buffer too small (%ld/%ld)\n", len1A / 2, len2A);
}
static void testGetModuleFileName_Wrong(void)
{
char bufA[MAX_PATH];
WCHAR bufW[MAX_PATH];
/* test wrong handle */
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if (is_unicode_enabled)
{
bufW[0] = '*';
ok(GetModuleFileNameW((void*)0xffffffff, bufW, sizeof(bufW) / sizeof(WCHAR)) == 0, "Unexpected success in module handle\n");
ok(bufW[0] == '*', "When failing, buffer shouldn't be written to\n");
}
bufA[0] = '*';
ok(GetModuleFileNameA((void*)0xffffffff, bufA, sizeof(bufA)) == 0, "Unexpected success in module handle\n");
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ok(bufA[0] == '*' ||
bufA[0] == 0 /* Win9x */,
"When failing, buffer shouldn't be written to\n");
}
static void testLoadLibraryA(void)
{
HMODULE hModule, hModule1;
FARPROC fp;
SetLastError(0xdeadbeef);
hModule = LoadLibraryA("kernel32.dll");
ok( hModule != NULL, "kernel32.dll should be loadable\n");
ok( GetLastError() == 0xdeadbeef, "GetLastError should be 0xdeadbeef but is %08lx\n", GetLastError());
fp = GetProcAddress(hModule, "CreateFileA");
ok( fp != NULL, "CreateFileA should be there\n");
ok( GetLastError() == 0xdeadbeef, "GetLastError should be 0xdeadbeef but is %08lx\n", GetLastError());
SetLastError(0xdeadbeef);
hModule1 = LoadLibraryA("kernel32 ");
/* Only winNT does this */
if (GetLastError() != ERROR_DLL_NOT_FOUND)
{
ok( hModule1 != NULL, "\"kernel32 \" should be loadable\n");
ok( GetLastError() == 0xdeadbeef, "GetLastError should be 0xdeadbeef but is %08lx\n", GetLastError());
ok( hModule == hModule1, "Loaded wrong module\n");
FreeLibrary(hModule1);
}
FreeLibrary(hModule);
}
static void testLoadLibraryA_Wrong(void)
{
HMODULE hModule;
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/* Try to load a nonexistent dll */
SetLastError(0xdeadbeef);
hModule = LoadLibraryA("non_ex_pv.dll");
ok( !hModule, "non_ex_pv.dll should be not loadable\n");
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ok( GetLastError() == ERROR_MOD_NOT_FOUND || GetLastError() == ERROR_DLL_NOT_FOUND,
"Expected ERROR_MOD_NOT_FOUND or ERROR_DLL_NOT_FOUND (win9x), got %08lx\n", GetLastError());
/* Just in case */
FreeLibrary(hModule);
}
static void testGetProcAddress_Wrong(void)
{
FARPROC fp;
SetLastError(0xdeadbeef);
fp = GetProcAddress(NULL, "non_ex_call");
ok( !fp, "non_ex_call should not be found\n");
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ok( GetLastError() == ERROR_PROC_NOT_FOUND || GetLastError() == ERROR_INVALID_HANDLE,
"Expected ERROR_PROC_NOT_FOUND or ERROR_INVALID_HANDLE(win9x), got %08lx\n", GetLastError());
SetLastError(0xdeadbeef);
fp = GetProcAddress((HMODULE)0xdeadbeef, "non_ex_call");
ok( !fp, "non_ex_call should not be found\n");
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ok( GetLastError() == ERROR_MOD_NOT_FOUND || GetLastError() == ERROR_INVALID_HANDLE,
"Expected ERROR_MOD_NOT_FOUND or ERROR_INVALID_HANDLE(win9x), got %08lx\n", GetLastError());
}
START_TEST(module)
{
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WCHAR filenameW[MAX_PATH];
/* Test if we can use GetModuleFileNameW */
SetLastError(0xdeadbeef);
GetModuleFileNameW(NULL, filenameW, MAX_PATH);
if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
{
trace("GetModuleFileNameW not existing on this platform, skipping W-calls\n");
is_unicode_enabled = FALSE;
}
testGetModuleFileName(NULL);
testGetModuleFileName("kernel32.dll");
testGetModuleFileName_Wrong();
testLoadLibraryA();
testLoadLibraryA_Wrong();
testGetProcAddress_Wrong();
}