file.c

来自「一个类似windows」· C语言 代码 · 共 1,422 行 · 第 1/4 页

    bytes_read = _hread( filehandle, buffer, 1);
    ok( 1 == bytes_read, "file read size error\n" );
    ok( buffer[0] == sillytext[0], "_llseek error, it got lost seeking\n" );
    ok( HFILE_ERROR != _llseek( filehandle, 1000000, FILE_END ), "should be able to seek past file; poor, poor Windows programmers\n" );
    ok( HFILE_ERROR != _lclose(filehandle), "_lclose complains\n" );

    ret = DeleteFileA( filename );
    ok( ret, "DeleteFile failed (%ld)\n", GetLastError(  ) );
}


static void test__llopen( void )
{
    HFILE filehandle;
    UINT bytes_read;
    char buffer[10000];
    BOOL ret;

    filehandle = _lcreat( filename, 0 );
    if (filehandle == HFILE_ERROR)
    {
        ok(0,"couldn't create file \"%s\" (err=%ld)\n",filename,GetLastError());
        return;
    }

    ok( HFILE_ERROR != _hwrite( filehandle, sillytext, strlen( sillytext ) ), "_hwrite complains\n" );
    ok( HFILE_ERROR != _lclose(filehandle), "_lclose complains\n" );

    filehandle = _lopen( filename, OF_READ );
    ok( HFILE_ERROR == _hwrite( filehandle, sillytext, strlen( sillytext ) ), "_hwrite shouldn't be able to write!\n" );
    bytes_read = _hread( filehandle, buffer, strlen( sillytext ) );
    ok( strlen( sillytext )  == bytes_read, "file read size error\n" );
    ok( HFILE_ERROR != _lclose(filehandle), "_lclose complains\n" );

    filehandle = _lopen( filename, OF_READWRITE );
    bytes_read = _hread( filehandle, buffer, 2 * strlen( sillytext ) );
    ok( strlen( sillytext )  == bytes_read, "file read size error\n" );
    ok( HFILE_ERROR != _hwrite( filehandle, sillytext, strlen( sillytext ) ), "_hwrite should write just fine\n" );
    ok( HFILE_ERROR != _lclose(filehandle), "_lclose complains\n" );

    filehandle = _lopen( filename, OF_WRITE );
    ok( HFILE_ERROR == _hread( filehandle, buffer, 1 ), "you should only be able to write this file\n" );
    ok( HFILE_ERROR != _hwrite( filehandle, sillytext, strlen( sillytext ) ), "_hwrite should write just fine\n" );
    ok( HFILE_ERROR != _lclose(filehandle), "_lclose complains\n" );

    ret = DeleteFileA( filename );
    ok( ret, "DeleteFile failed (%ld)\n", GetLastError(  ) );
    /* TODO - add tests for the SHARE modes  -  use two processes to pull this one off */
}


static void test__lread( void )
{
    HFILE filehandle;
    char buffer[10000];
    long bytes_read;
    UINT bytes_wanted;
    UINT i;
    BOOL ret;

    filehandle = _lcreat( filename, 0 );
    if (filehandle == HFILE_ERROR)
    {
        ok(0,"couldn't create file \"%s\" (err=%ld)\n",filename,GetLastError());
        return;
    }

    ok( HFILE_ERROR != _hwrite( filehandle, sillytext, strlen( sillytext ) ), "_hwrite complains\n" );

    ok( HFILE_ERROR != _lclose(filehandle), "_lclose complains\n" );

    filehandle = _lopen( filename, OF_READ );

    ok( HFILE_ERROR != filehandle, "couldn't open file \"%s\" again (err=%ld)\n", filename, GetLastError());

    bytes_read = _lread( filehandle, buffer, 2 * strlen( sillytext ) );

    ok( lstrlenA( sillytext ) == bytes_read, "file read size error\n" );

    for (bytes_wanted = 0; bytes_wanted < strlen( sillytext ); bytes_wanted++)
    {
        ok( 0 == _llseek( filehandle, 0, FILE_BEGIN ), "_llseek complains\n" );
        ok( _lread( filehandle, buffer, bytes_wanted ) == bytes_wanted, "erratic _hread return value\n" );
        for (i = 0; i < bytes_wanted; i++)
        {
            ok( buffer[i] == sillytext[i], "that's not what's written\n" );
        }
    }

    ok( HFILE_ERROR != _lclose(filehandle), "_lclose complains\n" );

    ret = DeleteFileA( filename );
    ok( ret, "DeleteFile failed (%ld)\n", GetLastError(  ) );
}


static void test__lwrite( void )
{
    HFILE filehandle;
    char buffer[10000];
    long bytes_read;
    long bytes_written;
    long blocks;
    long i;
    char *contents;
    HLOCAL memory_object;
    char checksum[1];
    BOOL ret;

    filehandle = _lcreat( filename, 0 );
    if (filehandle == HFILE_ERROR)
    {
        ok(0,"couldn't create file \"%s\" (err=%ld)\n",filename,GetLastError());
        return;
    }

    ok( HFILE_ERROR != _lwrite( filehandle, "", 0 ), "_hwrite complains\n" );

    ok( HFILE_ERROR != _lclose(filehandle), "_lclose complains\n" );

    filehandle = _lopen( filename, OF_READ );

    bytes_read = _hread( filehandle, buffer, 1);

    ok( 0 == bytes_read, "file read size error\n" );

    ok( HFILE_ERROR != _lclose(filehandle), "_lclose complains\n" );

    filehandle = _lopen( filename, OF_READWRITE );

    bytes_written = 0;
    checksum[0] = '\0';
    srand( (unsigned)time( NULL ) );
    for (blocks = 0; blocks < 100; blocks++)
    {
        for (i = 0; i < (long)sizeof( buffer ); i++)
        {
            buffer[i] = rand(  );
            checksum[0] = checksum[0] + buffer[i];
        }
        ok( HFILE_ERROR != _lwrite( filehandle, buffer, sizeof( buffer ) ), "_hwrite complains\n" );
        bytes_written = bytes_written + sizeof( buffer );
    }

    ok( HFILE_ERROR != _lwrite( filehandle, checksum, 1 ), "_hwrite complains\n" );
    bytes_written++;

    ok( HFILE_ERROR != _lclose( filehandle ), "_lclose complains\n" );

    memory_object = LocalAlloc( LPTR, bytes_written );

    ok( 0 != memory_object, "LocalAlloc fails, could be out of memory\n" );

    contents = LocalLock( memory_object );

    filehandle = _lopen( filename, OF_READ );

    contents = LocalLock( memory_object );

    ok( NULL != contents, "LocalLock whines\n" );

    ok( bytes_written == _hread( filehandle, contents, bytes_written), "read length differ from write length\n" );

    checksum[0] = '\0';
    i = 0;
    do
    {
        checksum[0] += contents[i];
        i++;
    }
    while (i < bytes_written - 1);

    ok( checksum[0] == contents[i], "stored checksum differ from computed checksum\n" );

    ok( HFILE_ERROR != _lclose( filehandle ), "_lclose complains\n" );

    ret = DeleteFileA( filename );
    ok( ret, "DeleteFile failed (%ld)\n", GetLastError(  ) );
}

static void test_CopyFileA(void)
{
    char temp_path[MAX_PATH];
    char source[MAX_PATH], dest[MAX_PATH];
    static const char prefix[] = "pfx";
    HANDLE hfile;
    FILETIME ft1, ft2;
    char buf[10];
    DWORD ret;
    BOOL retok;

    ret = GetTempPathA(MAX_PATH, temp_path);
    ok(ret != 0, "GetTempPathA error %ld\n", GetLastError());
    ok(ret < MAX_PATH, "temp path should fit into MAX_PATH\n");

    ret = GetTempFileNameA(temp_path, prefix, 0, source);
    ok(ret != 0, "GetTempFileNameA error %ld\n", GetLastError());

    /* make the source have not zero size */
    hfile = CreateFileA(source, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0 );
    ok(hfile != INVALID_HANDLE_VALUE, "failed to open source file\n");
    retok = WriteFile(hfile, prefix, sizeof(prefix), &ret, NULL );
    ok( retok && ret == sizeof(prefix),
       "WriteFile error %ld\n", GetLastError());
    ok(GetFileSize(hfile, NULL) == sizeof(prefix), "source file has wrong size\n");
    /* get the file time and change it to prove the difference */
    ret = GetFileTime(hfile, NULL, NULL, &ft1);
    ok( ret, "GetFileTime error %ld\n", GetLastError());
    ft1.dwLowDateTime -= 600000000; /* 60 second */
    ret = SetFileTime(hfile, NULL, NULL, &ft1);
    ok( ret, "SetFileTime error %ld\n", GetLastError());
    GetFileTime(hfile, NULL, NULL, &ft1);  /* get the actual time back */
    CloseHandle(hfile);

    ret = GetTempFileNameA(temp_path, prefix, 0, dest);
    ok(ret != 0, "GetTempFileNameA error %ld\n", GetLastError());

    SetLastError(0xdeadbeef);
    ret = CopyFileA(source, dest, TRUE);
    ok(!ret && GetLastError() == ERROR_FILE_EXISTS,
       "CopyFileA: unexpected error %ld\n", GetLastError());

    ret = CopyFileA(source, dest, FALSE);
    ok(ret, "CopyFileA: error %ld\n", GetLastError());

    /* make sure that destination has correct size */
    hfile = CreateFileA(dest, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
    ok(hfile != INVALID_HANDLE_VALUE, "failed to open destination file\n");
    ret = GetFileSize(hfile, NULL);
    ok(ret == sizeof(prefix), "destination file has wrong size %ld\n", ret);

    /* make sure that destination has the same filetime */
    ret = GetFileTime(hfile, NULL, NULL, &ft2);
    ok( ret, "GetFileTime error %ld\n", GetLastError());
    ok(CompareFileTime(&ft1, &ft2) == 0, "destination file has wrong filetime\n");

    SetLastError(0xdeadbeef);
    ret = CopyFileA(source, dest, FALSE);
    ok(!ret && GetLastError() == ERROR_SHARING_VIOLATION,
       "CopyFileA: ret = %ld, unexpected error %ld\n", ret, GetLastError());

    /* make sure that destination still has correct size */
    ret = GetFileSize(hfile, NULL);
    ok(ret == sizeof(prefix), "destination file has wrong size %ld\n", ret);
    retok = ReadFile(hfile, buf, sizeof(buf), &ret, NULL);
    ok( retok && ret == sizeof(prefix),
       "ReadFile: error %ld\n", GetLastError());
    ok(!memcmp(prefix, buf, sizeof(prefix)), "buffer contents mismatch\n");
    CloseHandle(hfile);

    ret = DeleteFileA(source);
    ok(ret, "DeleteFileA: error %ld\n", GetLastError());
    ret = DeleteFileA(dest);
    ok(ret, "DeleteFileA: error %ld\n", GetLastError());
}

static void test_CopyFileW(void)
{
    WCHAR temp_path[MAX_PATH];
    WCHAR source[MAX_PATH], dest[MAX_PATH];
    static const WCHAR prefix[] = {'p','f','x',0};
    DWORD ret;

    ret = GetTempPathW(MAX_PATH, temp_path);
    if (ret==0 && GetLastError()==ERROR_CALL_NOT_IMPLEMENTED)
        return;
    ok(ret != 0, "GetTempPathW error %ld\n", GetLastError());
    ok(ret < MAX_PATH, "temp path should fit into MAX_PATH\n");

    ret = GetTempFileNameW(temp_path, prefix, 0, source);
    ok(ret != 0, "GetTempFileNameW error %ld\n", GetLastError());

    ret = GetTempFileNameW(temp_path, prefix, 0, dest);
    ok(ret != 0, "GetTempFileNameW error %ld\n", GetLastError());

    ret = CopyFileW(source, dest, TRUE);
    ok(!ret && GetLastError() == ERROR_FILE_EXISTS,
       "CopyFileW: unexpected error %ld\n", GetLastError());

    ret = CopyFileW(source, dest, FALSE);
    ok(ret, "CopyFileW: error %ld\n", GetLastError());

    ret = DeleteFileW(source);
    ok(ret, "DeleteFileW: error %ld\n", GetLastError());
    ret = DeleteFileW(dest);
    ok(ret, "DeleteFileW: error %ld\n", GetLastError());
}

static void test_CreateFileA(void)
{
    HANDLE hFile;
    char temp_path[MAX_PATH];
    char filename[MAX_PATH];
    static const char prefix[] = "pfx";
    DWORD ret;

    ret = GetTempPathA(MAX_PATH, temp_path);
    ok(ret != 0, "GetTempPathA error %ld\n", GetLastError());
    ok(ret < MAX_PATH, "temp path should fit into MAX_PATH\n");

    ret = GetTempFileNameA(temp_path, prefix, 0, filename);
    ok(ret != 0, "GetTempFileNameA error %ld\n", GetLastError());

    hFile = CreateFileA(filename, GENERIC_READ, 0, NULL,
                        CREATE_NEW, FILE_FLAG_RANDOM_ACCESS, 0);
    ok(hFile == INVALID_HANDLE_VALUE && GetLastError() == ERROR_FILE_EXISTS,
        "CREATE_NEW should fail if file exists and last error value should be ERROR_FILE_EXISTS\n");

    ret = DeleteFileA(filename);
    ok(ret, "DeleteFileA: error %ld\n", GetLastError());
}

static void test_CreateFileW(void)
{
    HANDLE hFile;
    WCHAR temp_path[MAX_PATH];
    WCHAR filename[MAX_PATH];
    static const WCHAR emptyW[]={'\0'};
    static const WCHAR prefix[] = {'p','f','x',0};
    static const WCHAR bogus[] = { '\\', '\\', '.', '\\', 'B', 'O', 'G', 'U', 'S', 0 };
    DWORD ret;

    ret = GetTempPathW(MAX_PATH, temp_path);
    if (ret==0 && GetLastError()==ERROR_CALL_NOT_IMPLEMENTED)
        return;
    ok(ret != 0, "GetTempPathW error %ld\n", GetLastError());
    ok(ret < MAX_PATH, "temp path should fit into MAX_PATH\n");

    ret = GetTempFileNameW(temp_path, prefix, 0, filename);
    ok(ret != 0, "GetTempFileNameW error %ld\n", GetLastError());

    hFile = CreateFileW(filename, GENERIC_READ, 0, NULL,
                        CREATE_NEW, FILE_FLAG_RANDOM_ACCESS, 0);
    ok(hFile == INVALID_HANDLE_VALUE && GetLastError() == ERROR_FILE_EXISTS,
        "CREATE_NEW should fail if file exists and last error value should be ERROR_FILE_EXISTS\n");

    ret = DeleteFileW(filename);
    ok(ret, "DeleteFileW: error %ld\n", GetLastError());

#if 0  /* this test crashes on NT4.0 */
    hFile = CreateFileW(NULL, GENERIC_READ, 0, NULL,
                        CREATE_NEW, FILE_FLAG_RANDOM_ACCESS, 0);
    ok(hFile == INVALID_HANDLE_VALUE && GetLastError() == ERROR_PATH_NOT_FOUND,
       "CreateFileW(NULL) returned ret=%p error=%ld\n",hFile,GetLastError());
#endif

    hFile = CreateFileW(emptyW, GENERIC_READ, 0, NULL,
                        CREATE_NEW, FILE_FLAG_RANDOM_ACCESS, 0);
    ok(hFile == INVALID_HANDLE_VALUE && GetLastError() == ERROR_PATH_NOT_FOUND,
       "CreateFileW(\"\") returned ret=%p error=%ld\n",hFile,GetLastError());

    /* test the result of opening a nonexistent driver name */
    hFile = CreateFileW(bogus, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
                        OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
    ok(hFile == INVALID_HANDLE_VALUE && GetLastError() == ERROR_FILE_NOT_FOUND,
       "CreateFileW on invalid VxD name returned ret=%p error=%ld\n",hFile,GetLastError());