1 /*
2  * PROJECT:         ReactOS API tests
3  * LICENSE:         LGPLv2.1+ - See COPYING.LIB in the top level directory
4  * PURPOSE:         Test for RtlUnicodeStringToAnsiString
5  * PROGRAMMERS:     Pierre Schweitzer <pierre@reactos.org>
6  */
7 
8 #include <apitest.h>
9 #include <ndk/rtlfuncs.h>
10 
11 START_TEST(RtlUnicodeStringToAnsiString)
12 {
13     WCHAR BufferU[10];
14     CHAR BufferA[10];
15     UNICODE_STRING StringU;
16     ANSI_STRING StringA;
17     NTSTATUS Status;
18     DWORD i;
19 
20     memset(BufferU, 0xAA, sizeof(BufferU));
21     memset(BufferA, 0xAA, sizeof(BufferA));
22 
23     BufferU[0] = L'A';
24     BufferU[1] = UNICODE_NULL;
25 
26     StringU.Buffer = BufferU;
27     StringU.MaximumLength = 10 * sizeof(WCHAR);
28 
29     RtlInitUnicodeString(&StringU, BufferU);
30     ok(StringU.Length == 1 * sizeof(WCHAR), "Invalid size: %d\n", StringU.Length);
31     ok(StringU.MaximumLength == 2 * sizeof(WCHAR), "Invalid size: %d\n", StringU.MaximumLength);
32     ok(StringU.Buffer == BufferU, "Invalid buffer: %p\n", StringU.Buffer);
33 
34     StringA.Buffer = BufferA;
35     StringA.MaximumLength = 10 * sizeof(CHAR);
36 
37     Status = RtlUnicodeStringToAnsiString(&StringA, &StringU, FALSE);
38     ok(NT_SUCCESS(Status), "RtlUnicodeStringToAnsiString failed: %lx\n", Status);
39     ok(StringA.Length == 1 * sizeof(CHAR), "Invalid size: %d\n", StringA.Length);
40     ok(StringA.MaximumLength == 10 * sizeof(CHAR), "Invalid size: %d\n", StringA.MaximumLength);
41     ok(StringA.Buffer == BufferA, "Invalid buffer: %p\n", StringA.Buffer);
42 
43     for (i = 0; i < 10; ++i)
44     {
45         if (BufferA[i] == 0)
46         {
47             break;
48         }
49     }
50 
51     ok(i != 10, "String was not null terminated!\n");
52 }
53