408 lines
21 KiB
C
408 lines
21 KiB
C
/*
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* Unit tests for Windows String functions
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*
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* Copyright (c) 2014 Martin Storsjo
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "winstring.h"
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#include "wine/test.h"
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static HRESULT (WINAPI *pWindowsConcatString)(HSTRING, HSTRING, HSTRING *);
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static HRESULT (WINAPI *pWindowsCreateString)(LPCWSTR, UINT32, HSTRING *);
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static HRESULT (WINAPI *pWindowsCreateStringReference)(LPCWSTR, UINT32, HSTRING_HEADER *, HSTRING *);
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static HRESULT (WINAPI *pWindowsDeleteString)(HSTRING);
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static HRESULT (WINAPI *pWindowsDeleteStringBuffer)(HSTRING_BUFFER);
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static HRESULT (WINAPI *pWindowsDuplicateString)(HSTRING, HSTRING *);
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static UINT32 (WINAPI *pWindowsGetStringLen)(HSTRING);
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static LPCWSTR (WINAPI *pWindowsGetStringRawBuffer)(HSTRING, UINT32 *);
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static BOOL (WINAPI *pWindowsIsStringEmpty)(HSTRING);
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static HRESULT (WINAPI *pWindowsPreallocateStringBuffer)(UINT32, WCHAR **, HSTRING_BUFFER *);
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static HRESULT (WINAPI *pWindowsPromoteStringBuffer)(HSTRING_BUFFER, HSTRING *);
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static HRESULT (WINAPI *pWindowsStringHasEmbeddedNull)(HSTRING, BOOL *);
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static HRESULT (WINAPI *pWindowsSubstring)(HSTRING, UINT32, HSTRING *);
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static HRESULT (WINAPI *pWindowsSubstringWithSpecifiedLength)(HSTRING, UINT32, UINT32, HSTRING *);
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#define SET(x) p##x = (void*)GetProcAddress(hmod, #x)
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static BOOL init_functions(void)
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{
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HMODULE hmod = LoadLibraryA("combase.dll");
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if (!hmod)
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{
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win_skip("Failed to load combase.dll, skipping tests\n");
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return FALSE;
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}
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SET(WindowsConcatString);
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SET(WindowsCreateString);
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SET(WindowsCreateStringReference);
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SET(WindowsDeleteString);
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SET(WindowsDeleteStringBuffer);
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SET(WindowsDuplicateString);
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SET(WindowsGetStringLen);
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SET(WindowsGetStringRawBuffer);
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SET(WindowsIsStringEmpty);
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SET(WindowsPreallocateStringBuffer);
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SET(WindowsPromoteStringBuffer);
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SET(WindowsStringHasEmbeddedNull);
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SET(WindowsSubstring);
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SET(WindowsSubstringWithSpecifiedLength);
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return TRUE;
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}
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#undef SET
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#define check_string(str, content, length, has_null) _check_string(__LINE__, str, content, length, has_null)
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static void _check_string(int line, HSTRING str, LPCWSTR content, UINT32 length, BOOL has_null)
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{
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BOOL out_null;
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BOOL empty = length == 0;
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UINT32 out_length;
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LPCWSTR ptr;
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ok_(__FILE__, line)(pWindowsIsStringEmpty(str) == empty, "WindowsIsStringEmpty failed\n");
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ok_(__FILE__, line)(pWindowsStringHasEmbeddedNull(str, &out_null) == S_OK, "pWindowsStringHasEmbeddedNull failed\n");
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ok_(__FILE__, line)(out_null == has_null, "WindowsStringHasEmbeddedNull failed\n");
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ok_(__FILE__, line)(pWindowsGetStringLen(str) == length, "WindowsGetStringLen failed\n");
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ptr = pWindowsGetStringRawBuffer(str, &out_length);
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/* WindowsGetStringRawBuffer should return a non-null, null terminated empty string
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* even if str is NULL. */
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ok_(__FILE__, line)(ptr != NULL, "WindowsGetStringRawBuffer returned null\n");
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ok_(__FILE__, line)(out_length == length, "WindowsGetStringRawBuffer returned incorrect length\n");
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ptr = pWindowsGetStringRawBuffer(str, NULL);
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ok_(__FILE__, line)(ptr != NULL, "WindowsGetStringRawBuffer returned null\n");
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ok_(__FILE__, line)(ptr[length] == '\0', "WindowsGetStringRawBuffer doesn't return a null terminated buffer\n");
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ok_(__FILE__, line)(memcmp(ptr, content, sizeof(*content) * length) == 0, "Incorrect string content\n");
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}
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static const WCHAR input_string[] = { 'a', 'b', 'c', 'd', 'e', 'f', '\0', '\0' };
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static const WCHAR input_string1[] = { 'a', 'b', 'c', '\0' };
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static const WCHAR input_string2[] = { 'd', 'e', 'f', '\0' };
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static const WCHAR input_empty_string[] = { '\0' };
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static const WCHAR input_embed_null[] = { 'a', '\0', 'c', '\0', 'e', 'f', '\0' };
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static const WCHAR output_substring[] = { 'c', 'd', 'e', 'f', '\0' };
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static void test_create_delete(void)
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{
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HSTRING str;
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HSTRING_HEADER header;
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/* Test normal creation of a string */
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ok(pWindowsCreateString(input_string, 6, &str) == S_OK, "Failed to create string\n");
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check_string(str, input_string, 6, FALSE);
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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/* Test error handling in WindowsCreateString */
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ok(pWindowsCreateString(input_string, 6, NULL) == E_INVALIDARG, "Incorrect error handling\n");
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ok(pWindowsCreateString(NULL, 6, &str) == E_POINTER, "Incorrect error handling\n");
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/* Test handling of a NULL string */
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ok(pWindowsDeleteString(NULL) == S_OK, "Failed to delete null string\n");
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/* Test creation of a string reference */
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ok(pWindowsCreateStringReference(input_string, 6, &header, &str) == S_OK, "Failed to create string ref\n");
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check_string(str, input_string, 6, FALSE);
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string ref\n");
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/* Test error handling in WindowsCreateStringReference */
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/* Strings to CreateStringReference must be null terminated with the correct
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* length. According to MSDN this should be E_INVALIDARG, but it returns
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* 0x80000017 in practice. */
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ok(FAILED(pWindowsCreateStringReference(input_string, 5, &header, &str)), "Incorrect error handling\n");
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/* If the input string is non-null, it must be null-terminated even if the
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* length is zero. */
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ok(FAILED(pWindowsCreateStringReference(input_string, 0, &header, &str)), "Incorrect error handling\n");
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ok(pWindowsCreateStringReference(input_string, 6, NULL, &str) == E_INVALIDARG, "Incorrect error handling\n");
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ok(pWindowsCreateStringReference(input_string, 6, &header, NULL) == E_INVALIDARG, "Incorrect error handling\n");
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ok(pWindowsCreateStringReference(NULL, 6, &header, &str) == E_POINTER, "Incorrect error handling\n");
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/* Test creating a string without a null-termination at the specified length */
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ok(pWindowsCreateString(input_string, 3, &str) == S_OK, "Failed to create string\n");
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check_string(str, input_string, 3, FALSE);
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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/* Test an empty string */
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ok(pWindowsCreateString(input_empty_string, 0, &str) == S_OK, "Failed to create string\n");
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ok(str == NULL, "Empty string not a null string\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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ok(pWindowsCreateString(input_string, 0, &str) == S_OK, "Failed to create string\n");
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ok(str == NULL, "Empty string not a null string\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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ok(pWindowsCreateStringReference(input_empty_string, 0, &header, &str) == S_OK, "Failed to create string\n");
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ok(str == NULL, "Empty string not a null string\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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ok(pWindowsCreateString(NULL, 0, &str) == S_OK, "Failed to create string\n");
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ok(str == NULL, "Empty string not a null string\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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ok(pWindowsCreateStringReference(NULL, 0, &header, &str) == S_OK, "Failed to create string\n");
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ok(str == NULL, "Empty string not a null string\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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}
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static void test_duplicate(void)
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{
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HSTRING str, str2;
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HSTRING_HEADER header;
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ok(pWindowsCreateString(input_string, 6, &str) == S_OK, "Failed to create string\n");
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ok(pWindowsDuplicateString(str, NULL) == E_INVALIDARG, "Incorrect error handling\n");
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ok(pWindowsDuplicateString(str, &str2) == S_OK, "Failed to duplicate string\n");
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ok(str == str2, "Duplicated string created new string\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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ok(pWindowsDeleteString(str2) == S_OK, "Failed to delete string\n");
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ok(pWindowsCreateStringReference(input_string, 6, &header, &str) == S_OK, "Failed to create string ref\n");
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ok(pWindowsDuplicateString(str, &str2) == S_OK, "Failed to duplicate string\n");
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ok(str != str2, "Duplicated string ref didn't create new string\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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ok(pWindowsDeleteString(str2) == S_OK, "Failed to delete string ref\n");
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ok(pWindowsDuplicateString(NULL, &str2) == S_OK, "Failed to duplicate NULL string\n");
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ok(str2 == NULL, "Duplicated string created new string\n");
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ok(pWindowsDeleteString(str2) == S_OK, "Failed to delete string\n");
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}
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static void test_access(void)
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{
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HSTRING str;
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HSTRING_HEADER header;
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/* Test handling of a NULL string */
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check_string(NULL, NULL, 0, FALSE);
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/* Test strings with embedded null chars */
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ok(pWindowsCreateString(input_embed_null, 6, &str) == S_OK, "Failed to create string\n");
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check_string(str, input_embed_null, 6, TRUE);
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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ok(pWindowsCreateStringReference(input_embed_null, 6, &header, &str) == S_OK, "Failed to create string ref\n");
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check_string(str, input_embed_null, 6, TRUE);
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string ref\n");
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/* Test normal creation of a string with trailing null */
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ok(pWindowsCreateString(input_string, 7, &str) == S_OK, "Failed to create string\n");
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check_string(str, input_string, 7, TRUE);
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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ok(pWindowsCreateStringReference(input_string, 7, &header, &str) == S_OK, "Failed to create string ref\n");
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check_string(str, input_string, 7, TRUE);
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string ref\n");
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}
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static void test_string_buffer(void)
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{
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/* Initialize ptr to NULL to make sure it actually is set in the first
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* test below. */
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HSTRING_BUFFER buf = NULL;
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WCHAR *ptr = NULL;
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HSTRING str;
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/* Test creation of an empty buffer */
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ok(pWindowsPreallocateStringBuffer(0, &ptr, &buf) == S_OK, "Failed to preallocate string buffer\n");
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ok(buf == NULL, "Empty string buffer isn't a null string\n");
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ok(ptr != NULL, "Empty string didn't return a buffer pointer\n");
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ok(pWindowsPromoteStringBuffer(buf, &str) == S_OK, "Failed to promote string buffer\n");
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ok(str == NULL, "Empty string isn't a null string\n");
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check_string(str, input_empty_string, 0, FALSE);
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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ok(pWindowsDeleteStringBuffer(NULL) == S_OK, "Failed to delete null string buffer\n");
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/* Test creation and deletion of string buffers */
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ok(pWindowsPreallocateStringBuffer(6, &ptr, &buf) == S_OK, "Failed to preallocate string buffer\n");
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ok(pWindowsDeleteStringBuffer(buf) == S_OK, "Failed to delete string buffer\n");
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/* Test creation and promotion of string buffers */
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ok(pWindowsPreallocateStringBuffer(6, &ptr, &buf) == S_OK, "Failed to preallocate string buffer\n");
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ok(ptr[6] == '\0', "Preallocated string buffer didn't have null termination\n");
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memcpy(ptr, input_string, 6 * sizeof(*input_string));
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ok(pWindowsPromoteStringBuffer(buf, NULL) == E_POINTER, "Incorrect error handling\n");
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ok(pWindowsPromoteStringBuffer(buf, &str) == S_OK, "Failed to promote string buffer\n");
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check_string(str, input_string, 6, FALSE);
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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/* Test error handling in preallocation */
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ok(pWindowsPreallocateStringBuffer(6, NULL, &buf) == E_POINTER, "Incorrect error handling\n");
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ok(pWindowsPreallocateStringBuffer(6, &ptr, NULL) == E_POINTER, "Incorrect error handling\n");
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ok(pWindowsPreallocateStringBuffer(6, &ptr, &buf) == S_OK, "Failed to preallocate string buffer\n");
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ptr[6] = 'a'; /* Overwrite the buffer's null termination, promotion should fail */
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ok(pWindowsPromoteStringBuffer(buf, &str) == E_INVALIDARG, "Incorrect error handling\n");
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ok(pWindowsDeleteStringBuffer(buf) == S_OK, "Failed to delete string buffer\n");
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/* Test strings with trailing null chars */
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ok(pWindowsPreallocateStringBuffer(7, &ptr, &buf) == S_OK, "Failed to preallocate string buffer\n");
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memcpy(ptr, input_string, 7 * sizeof(*input_string));
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ok(pWindowsPromoteStringBuffer(buf, &str) == S_OK, "Failed to promote string buffer\n");
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check_string(str, input_string, 7, TRUE);
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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}
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static void test_substring(void)
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{
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HSTRING str, substr;
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HSTRING_HEADER header;
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/* Test substring of string buffers */
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ok(pWindowsCreateString(input_string, 6, &str) == S_OK, "Failed to create string\n");
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ok(pWindowsSubstring(str, 2, &substr) == S_OK, "Failed to create substring\n");
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check_string(substr, output_substring, 4, FALSE);
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ok(pWindowsDeleteString(substr) == S_OK, "Failed to delete string\n");
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ok(pWindowsSubstringWithSpecifiedLength(str, 2, 3, &substr) == S_OK, "Failed to create substring\n");
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check_string(substr, output_substring, 3, FALSE);
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ok(pWindowsDeleteString(substr) == S_OK, "Failed to delete string\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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/* Test duplication of string using substring */
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ok(pWindowsCreateString(input_string, 6, &str) == S_OK, "Failed to create string\n");
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ok(pWindowsSubstring(str, 0, &substr) == S_OK, "Failed to create substring\n");
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ok(str != substr, "Duplicated string didn't create new string\n");
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check_string(substr, input_string, 6, FALSE);
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ok(pWindowsDeleteString(substr) == S_OK, "Failed to delete string\n");
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ok(pWindowsSubstringWithSpecifiedLength(str, 0, 6, &substr) == S_OK, "Failed to create substring\n");
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ok(str != substr, "Duplicated string didn't create new string\n");
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check_string(substr, input_string, 6, FALSE);
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ok(pWindowsDeleteString(substr) == S_OK, "Failed to delete string\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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/* Test substring of string reference */
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ok(pWindowsCreateStringReference(input_string, 6, &header, &str) == S_OK, "Failed to create string ref\n");
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ok(pWindowsSubstring(str, 2, &substr) == S_OK, "Failed to create substring of string ref\n");
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check_string(substr, output_substring, 4, FALSE);
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ok(pWindowsDeleteString(substr) == S_OK, "Failed to delete string\n");
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ok(pWindowsSubstringWithSpecifiedLength(str, 2, 3, &substr) == S_OK, "Failed to create substring of string ref\n");
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check_string(substr, output_substring, 3, FALSE);
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ok(pWindowsDeleteString(substr) == S_OK, "Failed to delete string\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string ref\n");
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/* Test duplication of string reference using substring */
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ok(pWindowsCreateStringReference(input_string, 6, &header, &str) == S_OK, "Failed to create string ref\n");
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ok(pWindowsSubstring(str, 0, &substr) == S_OK, "Failed to create substring of string ref\n");
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ok(str != substr, "Duplicated string ref didn't create new string\n");
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check_string(substr, input_string, 6, FALSE);
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ok(pWindowsDeleteString(substr) == S_OK, "Failed to delete string\n");
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ok(pWindowsSubstringWithSpecifiedLength(str, 0, 6, &substr) == S_OK, "Failed to create substring of string ref\n");
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ok(str != substr, "Duplicated string ref didn't create new string\n");
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check_string(substr, input_string, 6, FALSE);
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ok(pWindowsDeleteString(substr) == S_OK, "Failed to delete string\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string ref\n");
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/* Test get substring of empty string */
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ok(pWindowsSubstring(NULL, 0, &substr) == S_OK, "Failed to duplicate NULL string\n");
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ok(substr == NULL, "Substring created new string\n");
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ok(pWindowsSubstringWithSpecifiedLength(NULL, 0, 0, &substr) == S_OK, "Failed to duplicate NULL string\n");
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ok(substr == NULL, "Substring created new string\n");
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/* Test get empty substring of string */
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ok(pWindowsCreateString(input_string, 6, &str) == S_OK, "Failed to create string\n");
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ok(pWindowsSubstring(str, 6, &substr) == S_OK, "Failed to create substring\n");
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ok(substr == NULL, "Substring created new string\n");
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ok(pWindowsSubstringWithSpecifiedLength(str, 6, 0, &substr) == S_OK, "Failed to create substring\n");
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ok(substr == NULL, "Substring created new string\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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/* Test handling of using too high start index or length */
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ok(pWindowsCreateString(input_string, 6, &str) == S_OK, "Failed to create string\n");
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ok(pWindowsSubstring(str, 7, &substr) == E_BOUNDS, "Incorrect error handling\n");
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ok(pWindowsSubstringWithSpecifiedLength(str, 7, 0, &substr) == E_BOUNDS, "Incorrect error handling\n");
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ok(pWindowsSubstringWithSpecifiedLength(str, 6, 1, &substr) == E_BOUNDS, "Incorrect error handling\n");
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ok(pWindowsSubstringWithSpecifiedLength(str, 7, ~0U, &substr) == E_BOUNDS, "Incorrect error handling\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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/* Test handling of a NULL string */
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ok(pWindowsCreateString(input_string, 6, &str) == S_OK, "Failed to create string\n");
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ok(pWindowsSubstring(str, 7, NULL) == E_INVALIDARG, "Incorrect error handling\n");
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ok(pWindowsSubstringWithSpecifiedLength(str, 7, 0, NULL) == E_INVALIDARG, "Incorrect error handling\n");
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ok(pWindowsDeleteString(str) == S_OK, "Failed to delete string\n");
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}
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static void test_concat(void)
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{
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HSTRING str1, str2, concat;
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HSTRING_HEADER header1, header2;
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/* Test concatenation of string buffers */
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ok(pWindowsCreateString(input_string1, 3, &str1) == S_OK, "Failed to create string\n");
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ok(pWindowsCreateString(input_string2, 3, &str2) == S_OK, "Failed to create string\n");
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ok(pWindowsConcatString(str1, NULL, NULL) == E_INVALIDARG, "Incorrect error handling\n");
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ok(pWindowsConcatString(str1, NULL, &concat) == S_OK, "Failed to concatenate string\n");
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ok(str1 == concat, "Concatenate created new string\n");
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check_string(concat, input_string1, 3, FALSE);
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ok(pWindowsDeleteString(concat) == S_OK, "Failed to delete string\n");
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ok(pWindowsConcatString(NULL, str2, NULL) == E_INVALIDARG, "Incorrect error handling\n");
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ok(pWindowsConcatString(NULL, str2, &concat) == S_OK, "Failed to concatenate string\n");
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ok(str2 == concat, "Concatenate created new string\n");
|
|
check_string(concat, input_string2, 3, FALSE);
|
|
ok(pWindowsDeleteString(concat) == S_OK, "Failed to delete string\n");
|
|
|
|
ok(pWindowsConcatString(str1, str2, NULL) == E_INVALIDARG, "Incorrect error handling\n");
|
|
ok(pWindowsConcatString(str1, str2, &concat) == S_OK, "Failed to concatenate string\n");
|
|
check_string(concat, input_string, 6, FALSE);
|
|
ok(pWindowsDeleteString(concat) == S_OK, "Failed to delete string\n");
|
|
|
|
ok(pWindowsDeleteString(str2) == S_OK, "Failed to delete string\n");
|
|
ok(pWindowsDeleteString(str1) == S_OK, "Failed to delete string\n");
|
|
|
|
/* Test concatenation of string references */
|
|
ok(pWindowsCreateStringReference(input_string1, 3, &header1, &str1) == S_OK, "Failed to create string ref\n");
|
|
ok(pWindowsCreateStringReference(input_string2, 3, &header2, &str2) == S_OK, "Failed to create string ref\n");
|
|
|
|
ok(pWindowsConcatString(str1, NULL, &concat) == S_OK, "Failed to concatenate string\n");
|
|
ok(str1 != concat, "Concatenate string ref didn't create new string\n");
|
|
check_string(concat, input_string1, 3, FALSE);
|
|
ok(pWindowsDeleteString(concat) == S_OK, "Failed to delete string\n");
|
|
|
|
ok(pWindowsConcatString(NULL, str2, &concat) == S_OK, "Failed to concatenate string\n");
|
|
ok(str2 != concat, "Concatenate string ref didn't create new string\n");
|
|
check_string(concat, input_string2, 3, FALSE);
|
|
ok(pWindowsDeleteString(concat) == S_OK, "Failed to delete string\n");
|
|
|
|
ok(pWindowsConcatString(str1, str2, &concat) == S_OK, "Failed to concatenate string\n");
|
|
check_string(concat, input_string, 6, FALSE);
|
|
ok(pWindowsDeleteString(concat) == S_OK, "Failed to delete string\n");
|
|
|
|
ok(pWindowsDeleteString(str2) == S_OK, "Failed to delete string ref\n");
|
|
ok(pWindowsDeleteString(str1) == S_OK, "Failed to delete string ref\n");
|
|
|
|
/* Test concatenation of two empty strings */
|
|
ok(pWindowsConcatString(NULL, NULL, NULL) == E_INVALIDARG, "Incorrect error handling\n");
|
|
ok(pWindowsConcatString(NULL, NULL, &concat) == S_OK, "Failed to concatenate string\n");
|
|
ok(concat == NULL, "Concatenate created new string\n");
|
|
}
|
|
|
|
START_TEST(string)
|
|
{
|
|
if (!init_functions())
|
|
return;
|
|
test_create_delete();
|
|
test_duplicate();
|
|
test_access();
|
|
test_string_buffer();
|
|
test_substring();
|
|
test_concat();
|
|
}
|