mfplat/tests: Add tests for MFCreateAMMediaTypeFromMFMediaType.

dlls/mfplat/tests/mfplat.c

@@ -7534,6 +7534,44 @@ skip_tests:
     IMFMediaType_Release(media_type);
 }
 
+static void test_MFCreateAMMediaTypeFromMFMediaType(void)
+{
+    IMFMediaType *media_type;
+    AM_MEDIA_TYPE *am_type;
+    HRESULT hr;
+
+    hr = MFCreateMediaType(&media_type);
+    ok(hr == S_OK, "Failed to create media type, hr %#lx.\n", hr);
+
+    hr = MFCreateAMMediaTypeFromMFMediaType(media_type, GUID_NULL, &am_type);
+    todo_wine ok(hr == MF_E_ATTRIBUTENOTFOUND, "Unexpected hr %#lx.\n", hr);
+    hr = IMFMediaType_SetGUID(media_type, &MF_MT_MAJOR_TYPE, &MFMediaType_Audio);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    hr = MFCreateAMMediaTypeFromMFMediaType(media_type, GUID_NULL, &am_type);
+    todo_wine ok(hr == MF_E_ATTRIBUTENOTFOUND, "Unexpected hr %#lx.\n", hr);
+    hr = IMFMediaType_SetGUID(media_type, &MF_MT_MAJOR_TYPE, &MFMediaType_Video);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    hr = MFCreateAMMediaTypeFromMFMediaType(media_type, GUID_NULL, &am_type);
+    todo_wine ok(hr == MF_E_ATTRIBUTENOTFOUND, "Unexpected hr %#lx.\n", hr);
+
+    hr = IMFMediaType_SetGUID(media_type, &MF_MT_MAJOR_TYPE, &MFMediaType_Audio);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    hr = IMFMediaType_SetGUID(media_type, &MF_MT_SUBTYPE, &MFAudioFormat_PCM);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    hr = MFCreateAMMediaTypeFromMFMediaType(media_type, GUID_NULL, &am_type);
+    todo_wine ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    if (hr != S_OK) goto skip_tests;
+    ok(IsEqualGUID(&am_type->majortype, &MFMediaType_Audio), "got %s.\n", debugstr_guid(&am_type->majortype));
+    ok(IsEqualGUID(&am_type->subtype, &MFAudioFormat_PCM), "got %s.\n", debugstr_guid(&am_type->subtype));
+    ok(IsEqualGUID(&am_type->formattype, &FORMAT_WaveFormatEx), "got %s.\n", debugstr_guid(&am_type->formattype));
+    ok(am_type->cbFormat == sizeof(WAVEFORMATEX), "got %lu\n", am_type->cbFormat);
+    CoTaskMemFree(am_type->pbFormat);
+    CoTaskMemFree(am_type);
+
+skip_tests:
+    IMFMediaType_Release(media_type);
+}
+
 static void test_MFCreateDXSurfaceBuffer(void)
 {
     IDirect3DSurface9 *backbuffer = NULL, *surface;
@@ -10279,6 +10317,7 @@ START_TEST(mfplat)
     test_MFInitMediaTypeFromWaveFormatEx();
     test_MFCreateMFVideoFormatFromMFMediaType();
     test_MFInitAMMediaTypeFromMFMediaType();
+    test_MFCreateAMMediaTypeFromMFMediaType();
     test_MFCreateDXSurfaceBuffer();
     test_MFCreateTrackedSample();
     test_MFFrameRateToAverageTimePerFrame();