Bug 1254858: P6. Add VP9 decoding gtest. r=kentuckyfriedtakahe

MozReview-Commit-ID: 1Xo9B1TGyuc

--HG--
extra : rebase_source : d0d46f730984e2a9cf3e190f3b6e5185b301ed56

dom/media/gtest/TestMediaDataDecoder.cpp

@@ -8,6 +8,7 @@
 #include "MockMediaResource.h"
 #include "DecoderTraits.h"
 #include "MP4Demuxer.h"
+#include "WebMDemuxer.h"
 
 using namespace mozilla;
 
@@ -53,3 +54,18 @@ TEST(MediaDataDecoder, H264)
     EXPECT_GT(runner.Run(), 0u);
   }
 }
+
+TEST(MediaDataDecoder, VP9)
+{
+  if (!DecoderTraits::IsWebMTypeAndEnabled(NS_LITERAL_CSTRING("video/webm"))) {
+    EXPECT_TRUE(true);
+  } else {
+    RefPtr<MediaResource> resource =
+      new MockMediaResource("vp9cake.webm", NS_LITERAL_CSTRING("video/webm"));
+    nsresult rv = resource->Open(nullptr);
+    EXPECT_TRUE(NS_SUCCEEDED(rv));
+
+    BenchmarkRunner runner(new Benchmark(new WebMDemuxer(resource)));
+    EXPECT_GT(runner.Run(), 0u);
+  }
+}

dom/media/gtest/moz.build

@@ -44,6 +44,7 @@ if CONFIG['MOZ_RUST']:
 TEST_HARNESS_FILES.gtest += [
     '../test/gizmo-frag.mp4',
     '../test/gizmo.mp4',
+    '../test/vp9cake.webm',
     'dash_dashinit.mp4',
     'id3v2header.mp3',
     'mediasource_test.mp4',