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kernel32/tests: Add test for overlapped file read. 

Signed-off-by: Paul Gofman <gofmanp@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2019-02-15 20:41:37 +03:00 committed by Alexandre Julliard
parent 8acdd597d0
commit 3117370acc
1 changed files with 65 additions and 0 deletions
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65
dlls/kernel32/tests/file.c
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@ -5140,6 +5140,70 @@ static void test_post_completion(void)
CloseHandle( port );
}
#define TEST_OVERLAPPED_READ_SIZE 4096
static void test_overlapped_read(void)
{
DECLSPEC_ALIGN(TEST_OVERLAPPED_READ_SIZE) static unsigned char buffer[TEST_OVERLAPPED_READ_SIZE];
static const char prefix[] = "pfx";
char temp_path[MAX_PATH];
char file_name[MAX_PATH];
DWORD bytes_count;
OVERLAPPED ov;
HANDLE hfile;
DWORD err;
DWORD ret;
ret = GetTempPathA(MAX_PATH, temp_path);
ok(ret, "Unexpect error %u.\n", GetLastError());
ret = GetTempFileNameA(temp_path, prefix, 0, file_name);
ok(ret, "Unexpected error %u.\n", GetLastError());
hfile = CreateFileA(file_name, GENERIC_WRITE, 0,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
ok(hfile != INVALID_HANDLE_VALUE, "Failed to create file, GetLastError() %u.\n", GetLastError());
memset(buffer, 0x55, sizeof(buffer));
ret = WriteFile(hfile, buffer, TEST_OVERLAPPED_READ_SIZE, &bytes_count, NULL);
ok(ret && bytes_count == TEST_OVERLAPPED_READ_SIZE,
"Unexpected WriteFile result, ret %#x, bytes_count %u, GetLastError() %u.\n",
ret, bytes_count, GetLastError());
CloseHandle(hfile);
hfile = CreateFileA(file_name, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED | FILE_FLAG_NO_BUFFERING, NULL);
ok(hfile != INVALID_HANDLE_VALUE, "Failed to create file, GetLastError() %u.\n", GetLastError());
memset(&ov, 0, sizeof(ov));
bytes_count = 0xffffffff;
ret = ReadFile(hfile, buffer, TEST_OVERLAPPED_READ_SIZE, &bytes_count, &ov);
todo_wine ok(!ret && GetLastError() == ERROR_IO_PENDING,
"Unexpected ReadFile result, ret %#x, GetLastError() %u.\n", ret, GetLastError());
todo_wine ok(!bytes_count, "Unexpected read size %u.\n", bytes_count);
ret = GetOverlappedResult(hfile, &ov, &bytes_count, TRUE);
ok(ret, "Unexpected error %u.\n", GetLastError());
ok(bytes_count == TEST_OVERLAPPED_READ_SIZE, "Unexpected read size %u.\n", bytes_count);
S(U(ov)).Offset = bytes_count;
ret = ReadFile(hfile, buffer, TEST_OVERLAPPED_READ_SIZE, &bytes_count, &ov);
err = GetLastError();
/* Win8+ return ERROR_IO_PENDING like stated in MSDN, while older ones
* return ERROR_HANDLE_EOF right away. */
ok(!ret && (err == ERROR_HANDLE_EOF || err == ERROR_IO_PENDING),
"Unexpected ReadFile result, ret %#x, GetLastError() %u.\n", ret, GetLastError());
if (err == ERROR_IO_PENDING)
{
ret = GetOverlappedResult(hfile, &ov, &bytes_count, TRUE);
ok(!ret && GetLastError() == ERROR_HANDLE_EOF, "Unexpected result %#x, GetLasttError() %u.\n",
ret, GetLastError());
}
ok(!bytes_count, "Unexpected read size %u.\n", bytes_count);
CloseHandle(hfile);
ret = DeleteFileA(file_name);
ok(ret, "Unexpected error %u.\n", GetLastError());
}
START_TEST(file)
{
char temp_path[MAX_PATH];
@ -5209,4 +5273,5 @@ START_TEST(file)
test_SetFileInformationByHandle();
test_GetFileAttributesExW();
test_post_completion();
test_overlapped_read();
}