Web MIDI: chromium-side blink API update to support MIDIPortState

content/renderer/media/midi_message_filter_unittest.cc

Index: content/renderer/media/midi_message_filter_unittest.cc
diff --git a/content/renderer/media/midi_message_filter_unittest.cc b/content/renderer/media/midi_message_filter_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5ac0d4ef903e3bb1bec46ccc4b33870036b71c53
--- /dev/null
+++ b/content/renderer/media/midi_message_filter_unittest.cc
@@ -0,0 +1,29 @@
+// Copyright (c) 2015 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 "content/renderer/media/midi_message_filter.h"
+
+#include "base/message_loop/message_loop.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace content {
+
+namespace {
+using BlinkState = blink::WebMIDIAccessorClient::MIDIPortState;
+}  // namespace
+
+TEST(MidiMessageFilterTest, CastMidiPortState) {
+  // Check if static_cast of ToMIDIPortState() just works fine for all states.
+  EXPECT_EQ(BlinkState::MIDIPortStateDisconnected,
+      MidiMessageFilter::ToBlinkState(media::MIDI_PORT_DISCONNECTED));
+  EXPECT_EQ(BlinkState::MIDIPortStateConnected,
+      MidiMessageFilter::ToBlinkState(media::MIDI_PORT_CONNECTED));
+  EXPECT_EQ(BlinkState::MIDIPortStateOpened,
+      MidiMessageFilter::ToBlinkState(media::MIDI_PORT_OPENED));
+
+  // Check if we do not have any unknown MidiPortState that is added later.
+  EXPECT_EQ(media::MIDI_PORT_OPENED, media::MIDI_PORT_STATE_LAST);
+}
+
+}  // namespace content