[PATCH v2 3/4] sapi/tests: Fix intermittent duration test failure in mmaudio.

[Shaun Ren]

From: Shaun Ren

---
 dlls/sapi/tests/mmaudio.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/dlls/sapi/tests/mmaudio.c b/dlls/sapi/tests/mmaudio.c
index 7c72fb112bf..bf42bce04ee 100644
--- a/dlls/sapi/tests/mmaudio.c
+++ b/dlls/sapi/tests/mmaudio.c
@@ -167,7 +167,7 @@ static void test_audio_out(void)
     UINT devid;
     char *buf = NULL;
     ULONG written;
-    DWORD start, end;
+    DWORD start, duration;
     HANDLE event = NULL;
     HRESULT hr;

@@ -256,6 +256,7 @@ static void test_audio_out(void)
     ok(hr == S_OK, "got %#lx.\n", hr);

written = 0xdeadbeef;
+    start = GetTickCount();
     hr = ISpMMSysAudio_Write(mmaudio, buf, wfx->nAvgBytesPerSec * 200 / 1000, &written);
     ok(hr == S_OK, "got %#lx.\n", hr);
     ok(written == wfx->nAvgBytesPerSec * 200 / 1000, "got %lu.\n", written);
@@ -263,16 +264,14 @@ static void test_audio_out(void)
     hr = ISpMMSysAudio_Write(mmaudio, buf, wfx->nAvgBytesPerSec * 200 / 1000, NULL);
     ok(hr == S_OK, "got %#lx.\n", hr);

-    start = GetTickCount();
-
     event = ISpMMSysAudio_EventHandle(mmaudio);
     ok(event != NULL, "event == NULL.\n");

hr = WaitForSingleObject(event, 1000);
     ok(hr == WAIT_OBJECT_0, "got %#lx.\n", hr);

-    end = GetTickCount();
-    ok(end - start <= 500, "waited for %lu ms.\n", end - start);
+    duration = GetTickCount() - start;
+    ok(duration > 200 && duration < 800, "waited for %lu ms.\n", duration);

hr = ISpMMSysAudio_SetState(mmaudio, SPAS_CLOSED, 0);
     ok(hr == S_OK, "got %#lx.\n", hr);