ntdll: add some tests for NtDeleteFile

[Vitaliy Margolen]

Jeff Zaroyko wrote:
> 
> 
> +    static const WCHAR testdirW[] = {'n','t','d','e','l','e','t','e','f','i','l','e',0};
> +    static const WCHAR subdirW[]  = {'\\','s','u','b',0};
> +
> +    ret = CreateDirectoryW(testdirW, NULL);
You need to create test files and directories in windows temp dir.

> +    pRtlDosPathNameToNtPathName_U(testdirW, &nameW, NULL, NULL);

You are leaking unicode string nameW. You need to call this to free it:
RtlFreeUnicodeString( &nameW );

> +    ret = pNtDeleteFile(&attr);
> +    ok(ret == STATUS_SUCCESS, "expected NtDeleteFile to ret STATUS_SUCCESS on failure\n");
How do you know it's a failure? You should check if dir is still there.

Vitaliy