modules/rostests/apitests/ntdll/RtlUnicodeStringToAnsiString.c

   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 }