| // 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 "content/browser/media/midi_host.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace content { |
| namespace { |
| |
| const uint8 kGMOn[] = { 0xf0, 0x7e, 0x7f, 0x09, 0x01, 0xf7 }; |
| const uint8 kGSOn[] = { |
| 0xf0, 0x41, 0x10, 0x42, 0x12, 0x40, 0x00, 0x7f, 0x00, 0x41, 0xf7, |
| }; |
| const uint8 kNoteOn[] = { 0x90, 0x3c, 0x7f }; |
| const uint8 kNoteOnWithRunningStatus[] = { |
| 0x90, 0x3c, 0x7f, 0x3c, 0x7f, 0x3c, 0x7f, |
| }; |
| const uint8 kChannelPressure[] = { 0xd0, 0x01 }; |
| const uint8 kChannelPressureWithRunningStatus[] = { |
| 0xd0, 0x01, 0x01, 0x01, |
| }; |
| const uint8 kTimingClock[] = { 0xf8 }; |
| const uint8 kBrokenData1[] = { 0x90 }; |
| const uint8 kBrokenData2[] = { 0xf7 }; |
| const uint8 kBrokenData3[] = { 0xf2, 0x00 }; |
| const uint8 kDataByte0[] = { 0x00 }; |
| |
| template <typename T, size_t N> |
| const std::vector<T> AsVector(const T(&data)[N]) { |
| std::vector<T> buffer; |
| buffer.insert(buffer.end(), data, data + N); |
| return buffer; |
| } |
| |
| template <typename T, size_t N> |
| void PushToVector(const T(&data)[N], std::vector<T>* buffer) { |
| buffer->insert(buffer->end(), data, data + N); |
| } |
| |
| } // namespace |
| |
| TEST(MidiHostTest, IsValidWebMIDIData) { |
| // Test single event scenario |
| EXPECT_TRUE(MidiHost::IsValidWebMIDIData(AsVector(kGMOn))); |
| EXPECT_TRUE(MidiHost::IsValidWebMIDIData(AsVector(kGSOn))); |
| EXPECT_TRUE(MidiHost::IsValidWebMIDIData(AsVector(kNoteOn))); |
| EXPECT_TRUE(MidiHost::IsValidWebMIDIData(AsVector(kChannelPressure))); |
| EXPECT_TRUE(MidiHost::IsValidWebMIDIData(AsVector(kTimingClock))); |
| EXPECT_FALSE(MidiHost::IsValidWebMIDIData(AsVector(kBrokenData1))); |
| EXPECT_FALSE(MidiHost::IsValidWebMIDIData(AsVector(kBrokenData2))); |
| EXPECT_FALSE(MidiHost::IsValidWebMIDIData(AsVector(kBrokenData3))); |
| EXPECT_FALSE(MidiHost::IsValidWebMIDIData(AsVector(kDataByte0))); |
| |
| // MIDI running status should be disallowed |
| EXPECT_FALSE(MidiHost::IsValidWebMIDIData( |
| AsVector(kNoteOnWithRunningStatus))); |
| EXPECT_FALSE(MidiHost::IsValidWebMIDIData( |
| AsVector(kChannelPressureWithRunningStatus))); |
| |
| // Multiple messages are allowed as long as each of them is complete. |
| { |
| std::vector<uint8> buffer; |
| PushToVector(kGMOn, &buffer); |
| PushToVector(kNoteOn, &buffer); |
| PushToVector(kGSOn, &buffer); |
| PushToVector(kTimingClock, &buffer); |
| PushToVector(kNoteOn, &buffer); |
| EXPECT_TRUE(MidiHost::IsValidWebMIDIData(buffer)); |
| PushToVector(kBrokenData1, &buffer); |
| EXPECT_FALSE(MidiHost::IsValidWebMIDIData(buffer)); |
| } |
| |
| // MIDI realtime message can be placed at any position. |
| { |
| const uint8 kNoteOnWithRealTimeClock[] = { |
| 0x90, 0xf8, 0x3c, 0x7f, 0x90, 0xf8, 0x3c, 0xf8, 0x7f, 0xf8, |
| }; |
| EXPECT_TRUE(MidiHost::IsValidWebMIDIData( |
| AsVector(kNoteOnWithRealTimeClock))); |
| |
| const uint8 kGMOnWithRealTimeClock[] = { |
| 0xf0, 0xf8, 0x7e, 0x7f, 0x09, 0x01, 0xf8, 0xf7, |
| }; |
| EXPECT_TRUE(MidiHost::IsValidWebMIDIData( |
| AsVector(kGMOnWithRealTimeClock))); |
| } |
| } |
| |
| } // namespace conent |