reactos/modules/rostests/apitests/kernel32/FormatMessage.c

51 lines
2.2 KiB
C

/*
* PROJECT: ReactOS api tests
* LICENSE: GPLv2+ - See COPYING in the top level directory
* PURPOSE: Test for FormatMessage and resources
* PROGRAMMERS: Pierre Schweitzer
*/
#include <apitest.h>
#include <FormatMessage.h>
WCHAR First[] = L"This is a test message.\r\n";
WCHAR Second[] = L"This is a second test message.\r\n";
START_TEST(FormatMessage)
{
PWSTR Buffer;
DWORD Written;
Buffer = NULL;
Written = FormatMessageW(FORMAT_MESSAGE_FROM_HMODULE | FORMAT_MESSAGE_ALLOCATE_BUFFER,
NULL, MSG_FIRST_MESSAGE, 0, (LPWSTR)&Buffer, 0, NULL);
ok(Written != 0, "Unexpected error: %lx\n", GetLastError());
ok(Buffer != NULL, "No buffer allocated\n");
ok(Written == (sizeof(First) - sizeof(UNICODE_NULL)) / sizeof(WCHAR),
"Invalid size: %ld (expected: %d)\n",
Written, (sizeof(First) - sizeof(UNICODE_NULL)) / sizeof(WCHAR));
ok(RtlCompareMemory(Buffer, First, sizeof(First) - sizeof(UNICODE_NULL)) ==
sizeof(First) - sizeof(UNICODE_NULL),
"Mismatching string: %S (expected : %S)\n", Buffer, First);
LocalFree(Buffer);
Buffer = NULL;
Written = FormatMessageW(FORMAT_MESSAGE_FROM_HMODULE | FORMAT_MESSAGE_ALLOCATE_BUFFER,
NULL, MSG_SECOND_MESSAGE, 0, (LPWSTR)&Buffer, 0, NULL);
ok(Written != 0, "Unexpected error: %lx\n", GetLastError());
ok(Buffer != NULL, "No buffer allocated\n");
ok(Written == (sizeof(Second) - sizeof(UNICODE_NULL)) / sizeof(WCHAR),
"Invalid size: %ld (expected: %d)\n",
Written, (sizeof(Second) - sizeof(UNICODE_NULL)) / sizeof(WCHAR));
ok(RtlCompareMemory(Buffer, Second, sizeof(Second) - sizeof(UNICODE_NULL)) ==
sizeof(Second) - sizeof(UNICODE_NULL),
"Mismatching string: %S (expected: %S)\n", Buffer, Second);
LocalFree(Buffer);
Buffer = NULL;
Written = FormatMessageW(FORMAT_MESSAGE_FROM_HMODULE | FORMAT_MESSAGE_ALLOCATE_BUFFER,
NULL, MSG_SECOND_MESSAGE + 1, 0, (LPWSTR)&Buffer, 0, NULL);
ok(Written == 0, "Unexpected success: %ld\n", Written);
ok(Buffer == NULL, "Unexpected success: %p\n", Buffer);
ok(GetLastError() == 0x13d, "Unexpected error: %lx\n", GetLastError());
}