[WebMIDI] Introduce UsbMidi{Input, Output}Stream.

media/midi/usb_midi_output_stream_unittest.cc

Index: media/midi/usb_midi_output_stream_unittest.cc
diff --git a/media/midi/usb_midi_output_stream_unittest.cc b/media/midi/usb_midi_output_stream_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b34d286598bf735b0a4954fef4da073f2daf4a31
--- /dev/null
+++ b/media/midi/usb_midi_output_stream_unittest.cc
@@ -0,0 +1,397 @@
+// Copyright (c) 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/usb_midi_output_stream.h"
+
+#include "base/memory/scoped_ptr.h"
+#include "media/midi/usb_midi_device.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+
+namespace {
+
+using ::testing::InSequence;
+using ::testing::StrictMock;
+
+typedef ::testing::MockFunction<void(int)> Checkpoint;  // NOLINT
+
+template<typename T, size_t N>
+std::vector<T> ToVector(const T((&array)[N])) {
+  return std::vector<T>(array, array + N);
+}
+
+class MockUsbMidiDevice : public UsbMidiDevice {
+ public:
+  virtual ~MockUsbMidiDevice() {}
+  MOCK_METHOD0(GetDescriptor, std::vector<uint8>());
+  MOCK_METHOD2(Send, void(uint8, const std::vector<uint8>&));
+};
+
+class UsbMidiOutputStreamTest : public ::testing::Test {
+ protected:
+  UsbMidiOutputStreamTest() : device_(new StrictMock<MockUsbMidiDevice>) {
+    UsbMidiJack jack(device_.get(), 1, 2, 4);
+    stream_.reset(new UsbMidiOutputStream(jack));
+  }
+
+  scoped_ptr<MockUsbMidiDevice> device_;
+  scoped_ptr<UsbMidiOutputStream> stream_;
+};
+
+TEST_F(UsbMidiOutputStreamTest, SendEmpty) {
+  stream_->Send(std::vector<uint8>());
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendNoteOn) {
+  uint8 data[] = { 0x90, 0x45, 0x7f};
+  uint8 expected[] = { 0x29, 0x90, 0x45, 0x7f };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendNoteOnPending) {
+  uint8 expected[] = { 0x29, 0x90, 0x45, 0x7f, };
+  Checkpoint checkpoint;
+
+  {
+    InSequence s;
+    EXPECT_CALL(checkpoint, Call(0));
+    EXPECT_CALL(checkpoint, Call(1));
+    EXPECT_CALL(checkpoint, Call(2));
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+    EXPECT_CALL(checkpoint, Call(3));
+    EXPECT_CALL(checkpoint, Call(4));
+    EXPECT_CALL(checkpoint, Call(5));
+  }
+
+  checkpoint.Call(0);
+  stream_->Send(std::vector<uint8>(1, 0x90));
+  checkpoint.Call(1);
+  stream_->Send(std::vector<uint8>(1, 0x45));
+  checkpoint.Call(2);
+  stream_->Send(std::vector<uint8>(1, 0x7f));
+  checkpoint.Call(3);
+  stream_->Send(std::vector<uint8>(1, 0x90));
+  checkpoint.Call(4);
+  stream_->Send(std::vector<uint8>(1, 0x45));
+  checkpoint.Call(5);
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendNoteOnBurst) {
+  uint8 data1[] = { 0x90, };
+  uint8 data2[] = { 0x45, 0x7f, 0x90, 0x45, 0x71, 0x90, 0x45, 0x72, 0x90, };
+  uint8 expected[] = {
+    0x29, 0x90, 0x45, 0x7f,
+    0x29, 0x90, 0x45, 0x71,
+    0x29, 0x90, 0x45, 0x72,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data1));
+  stream_->Send(ToVector(data2));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendNoteOff) {
+  uint8 data[] = { 0x80, 0x33, 0x44, };
+  uint8 expected[] = {
+    0x28, 0x80, 0x33, 0x44,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendPolyphonicKeyPress) {
+  uint8 data[] = { 0xa0, 0x33, 0x44, };
+  uint8 expected[] = {
+    0x2a, 0xa0, 0x33, 0x44,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendControlChange) {
+  uint8 data[] = { 0xb7, 0x33, 0x44, };
+  uint8 expected[] = {
+    0x2b, 0xb7, 0x33, 0x44,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendProgramChange) {
+  uint8 data[] = { 0xc2, 0x33, };
+  uint8 expected[] = {
+    0x2c, 0xc2, 0x33, 0x00,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendChannelPressure) {
+  uint8 data[] = { 0xd1, 0x33, 0x44, };
+  uint8 expected[] = {
+    0x2d, 0xd1, 0x33, 0x44,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendPitchWheelChange) {
+  uint8 data[] = { 0xe4, 0x33, 0x44, };
+  uint8 expected[] = {
+    0x2e, 0xe4, 0x33, 0x44,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendTwoByteSysEx) {
+  uint8 data[] = { 0xf0, 0xf7, };
+  uint8 expected[] = {
+    0x26, 0xf0, 0xf7, 0x00,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendThreeByteSysEx) {
+  uint8 data[] = { 0xf0, 0x4f, 0xf7, };
+  uint8 expected[] = {
+    0x27, 0xf0, 0x4f, 0xf7,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendFourByteSysEx) {
+  uint8 data[] = { 0xf0, 0x00, 0x01, 0xf7, };
+  uint8 expected[] = {
+    0x24, 0xf0, 0x00, 0x01,
+    0x25, 0xf7, 0x00, 0x00,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendFiveByteSysEx) {
+  uint8 data[] = { 0xf0, 0x00, 0x01, 0x02, 0xf7, };
+  uint8 expected[] = {
+    0x24, 0xf0, 0x00, 0x01,
+    0x26, 0x02, 0xf7, 0x00,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendSixByteSysEx) {
+  uint8 data[] = { 0xf0, 0x00, 0x01, 0x02, 0x03, 0xf7, };
+  uint8 expected[] = {
+    0x24, 0xf0, 0x00, 0x01,
+    0x27, 0x02, 0x03, 0xf7,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendPendingSysEx) {
+  uint8 data1[] = { 0xf0, 0x33, };
+  uint8 data2[] = { 0x44, 0x55, 0x66, };
+  uint8 data3[] = { 0x77, 0x88, 0x99, 0xf7, };
+
+  uint8 expected1[] = { 0x24, 0xf0, 0x33, 0x44, };
+  uint8 expected2[] = {
+    0x24, 0x55, 0x66, 0x77,
+    0x27, 0x88, 0x99, 0xf7,
+  };
+
+  Checkpoint checkpoint;
+
+  {
+    InSequence s;
+    EXPECT_CALL(checkpoint, Call(0));
+    EXPECT_CALL(checkpoint, Call(1));
+    EXPECT_CALL(*device_, Send(4, ToVector(expected1)));
+    EXPECT_CALL(checkpoint, Call(2));
+    EXPECT_CALL(*device_, Send(4, ToVector(expected2)));
+    EXPECT_CALL(checkpoint, Call(3));
+  }
+
+  checkpoint.Call(0);
+  stream_->Send(ToVector(data1));
+  checkpoint.Call(1);
+  stream_->Send(ToVector(data2));
+  checkpoint.Call(2);
+  stream_->Send(ToVector(data3));
+  checkpoint.Call(3);
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendNoteOnAfterSysEx) {
+  uint8 data[] = { 0xf0, 0x00, 0x01, 0x02, 0x03, 0xf7, 0x90, 0x44, 0x33, };
+  uint8 expected[] = {
+    0x24, 0xf0, 0x00, 0x01,
+    0x27, 0x02, 0x03, 0xf7,
+    0x29, 0x90, 0x44, 0x33,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendTimeCodeQuarterFrame) {
+  uint8 data[] = { 0xf1, 0x22, };
+  uint8 expected[] = { 0x22, 0xf1, 0x22, 0x00, };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendSongPositionPointer) {
+  uint8 data[] = { 0xf2, 0x22, 0x33, };
+  uint8 expected[] = { 0x23, 0xf2, 0x22, 0x33, };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendSongSelect) {
+  uint8 data[] = { 0xf3, 0x22, };
+  uint8 expected[] = { 0x22, 0xf3, 0x22, 0x00, };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, TuneRequest) {
+  uint8 data[] = { 0xf6, };
+  uint8 expected[] = { 0x25, 0xf6, 0x00, 0x00, };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendSongPositionPointerPending) {
+  uint8 data1[] = { 0xf2, 0x22, };
+  uint8 data2[] = { 0x33, };
+  uint8 expected[] = { 0x23, 0xf2, 0x22, 0x33, };
+
+  Checkpoint checkpoint;
+  {
+    InSequence s;
+    EXPECT_CALL(checkpoint, Call(0));
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data1));
+  checkpoint.Call(0);
+  stream_->Send(ToVector(data2));
+}
+
+TEST_F(UsbMidiOutputStreamTest, SendRealTimeMessages) {
+  uint8 data[] = { 0xf8, 0xfa, 0xfb, 0xfc, 0xfe, 0xff, };
+  uint8 expected[] = {
+    0x25, 0xf8, 0x00, 0x00,
+    0x25, 0xfa, 0x00, 0x00,
+    0x25, 0xfb, 0x00, 0x00,
+    0x25, 0xfc, 0x00, 0x00,
+    0x25, 0xfe, 0x00, 0x00,
+    0x25, 0xff, 0x00, 0x00,
+  };
+
+  {
+    InSequence s;
+    EXPECT_CALL(*device_, Send(4, ToVector(expected)));
+  }
+
+  stream_->Send(ToVector(data));
+}
+
+}  // namespace
+
+}  // namespace media