Use MIDIMessageQueue/IsValidWebMIDIData for MIDI byte stream validation

media/midi/midi_message_util_unittest.cc

Index: media/midi/midi_message_util_unittest.cc
diff --git a/media/midi/midi_message_util_unittest.cc b/media/midi/midi_message_util_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..af3679c29875b5b1518ea1d83ea77d8a4db0185e
--- /dev/null
+++ b/media/midi/midi_message_util_unittest.cc
@@ -0,0 +1,34 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "media/midi/midi_message_util.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+namespace {
+
+const uint8 kGMOn[] = { 0xf0, 0x7e, 0x7f, 0x09, 0x01, 0xf7 };
+const uint8 kNoteOn[] = { 0x90, 0x3c, 0x7f };
+const uint8 kChannelPressure[] = { 0xd0, 0x01 };
+const uint8 kTimingClock[] = { 0xf8 };
+
+TEST(GetMIDIMessageLengthTest, BasicTest) {
+  // Check basic functionarity
+  EXPECT_EQ(arraysize(kNoteOn), GetMIDIMessageLength(kNoteOn[0]));
+  EXPECT_EQ(arraysize(kChannelPressure),
+            GetMIDIMessageLength(kChannelPressure[0]));
+  EXPECT_EQ(arraysize(kTimingClock), GetMIDIMessageLength(kTimingClock[0]));
+
+  // SysEx message should be mapped to 0-length
+  EXPECT_EQ(0u, GetMIDIMessageLength(kGMOn[0]));
+
+  // Any data byte should be mapped to 0-length
+  EXPECT_EQ(0u, GetMIDIMessageLength(kGMOn[1]));
+  EXPECT_EQ(0u, GetMIDIMessageLength(kNoteOn[1]));
+  EXPECT_EQ(0u, GetMIDIMessageLength(kChannelPressure[1]));
+}
+
+}  // namespace
+}  // namespace media