Re: [1/2] ntdll/tests: Add tests for RtlUnicodeToUTF8N.

[Nikolay Sivov]

On 3/29/2014 20:16, Thomas Faber wrote:
> - /* output truncation */
>
> +#define truncate_expect(len, out_len, expect_status) do {                   \
> -
>    bytes_out = 0x55555555;                                             \
> -
>    memset(buffer, 0x55, sizeof(buffer));                               \
> -
>    status = pRtlUnicodeToUTF8N(                                         \
> -
>        buffer, len, &bytes_out,                                        \
> -
>        special_string, sizeof(special_string));                        \
> -
>    ok(status == (expect_status), "status = 0x%x\n", status);           \
> -
>    ok(bytes_out == (out_len), "bytes_out = %u\n", bytes_out);          \
> -
>    for (i = 0; i < bytes_out; i++)                                     \
> -
>        ok(buf[i] == special_expected[i],                               \
> -
>           "buffer[%d] = 0x%x\n", i, buf[i]);                           \
> -
>    for (; i < sizeof(buffer); i++)                                     \
> -
>        ok(buf[i] == 0x55, "buffer[%d] = 0x%x\n", i, buf[i]);           \
> - } while (0)

It's better to avoid large macros like this one. A common way to do that 
is to move code to another function and call it with a single line 
macro, for line information ok_() should be used.