media/midi/usb_midi_output_stream_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "media/midi/usb_midi_output_stream.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/strings/stringprintf.h"
  12 #include "media/midi/usb_midi_device.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 namespace media {
  16
  17 namespace {
  18
  19 template<typename T, size_t N>
  20 std::vector<T> ToVector(const T((&array)[N])) {
  21   return std::vector<T>(array, array + N);
  22 }
  23
  24 class MockUsbMidiDevice : public UsbMidiDevice {
  25  public:
  26   MockUsbMidiDevice() {}
  27   ~MockUsbMidiDevice() override {}
  28
  29   std::vector<uint8> GetDescriptor() override { return std::vector<uint8>(); }
  30
  31   void Send(int endpoint_number, const std::vector<uint8>& data) override {
  32     for (size_t i = 0; i < data.size(); ++i) {
  33       log_ += base::StringPrintf("0x%02x ", data[i]);
  34     }
  35     log_ += base::StringPrintf("(endpoint = %d)\n", endpoint_number);
  36   }
  37
  38   const std::string& log() const { return log_; }
  39
  40   void ClearLog() { log_ = ""; }
  41
  42  private:
  43   std::string log_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(MockUsbMidiDevice);
  46 };
  47
  48 class UsbMidiOutputStreamTest : public ::testing::Test {
  49  protected:
  50   UsbMidiOutputStreamTest() {
  51     UsbMidiJack jack(&device_, 1, 2, 4);
  52     stream_.reset(new UsbMidiOutputStream(jack));
  53   }
  54
  55   MockUsbMidiDevice device_;
  56   scoped_ptr<UsbMidiOutputStream> stream_;
  57
  58  private:
  59   DISALLOW_COPY_AND_ASSIGN(UsbMidiOutputStreamTest);
  60 };
  61
  62 TEST_F(UsbMidiOutputStreamTest, SendEmpty) {
  63   stream_->Send(std::vector<uint8>());
  64
  65   EXPECT_EQ("", device_.log());
  66 }
  67
  68 TEST_F(UsbMidiOutputStreamTest, SendNoteOn) {
  69   uint8 data[] = { 0x90, 0x45, 0x7f};
  70
  71   stream_->Send(ToVector(data));
  72   EXPECT_EQ("0x29 0x90 0x45 0x7f (endpoint = 4)\n", device_.log());
  73 }
  74
  75 TEST_F(UsbMidiOutputStreamTest, SendNoteOnPending) {
  76   stream_->Send(std::vector<uint8>(1, 0x90));
  77   stream_->Send(std::vector<uint8>(1, 0x45));
  78   EXPECT_EQ("", device_.log());
  79
  80   stream_->Send(std::vector<uint8>(1, 0x7f));
  81   EXPECT_EQ("0x29 0x90 0x45 0x7f (endpoint = 4)\n", device_.log());
  82   device_.ClearLog();
  83
  84   stream_->Send(std::vector<uint8>(1, 0x90));
  85   stream_->Send(std::vector<uint8>(1, 0x45));
  86   EXPECT_EQ("", device_.log());
  87 }
  88
  89 TEST_F(UsbMidiOutputStreamTest, SendNoteOnBurst) {
  90   uint8 data1[] = { 0x90, };
  91   uint8 data2[] = { 0x45, 0x7f, 0x90, 0x45, 0x71, 0x90, 0x45, 0x72, 0x90, };
  92
  93   stream_->Send(ToVector(data1));
  94   stream_->Send(ToVector(data2));
  95   EXPECT_EQ("0x29 0x90 0x45 0x7f "
  96             "0x29 0x90 0x45 0x71 "
  97             "0x29 0x90 0x45 0x72 (endpoint = 4)\n", device_.log());
  98 }
  99
 100 TEST_F(UsbMidiOutputStreamTest, SendNoteOff) {
 101   uint8 data[] = { 0x80, 0x33, 0x44, };
 102
 103   stream_->Send(ToVector(data));
 104   EXPECT_EQ("0x28 0x80 0x33 0x44 (endpoint = 4)\n", device_.log());
 105 }
 106
 107 TEST_F(UsbMidiOutputStreamTest, SendPolyphonicKeyPress) {
 108   uint8 data[] = { 0xa0, 0x33, 0x44, };
 109
 110   stream_->Send(ToVector(data));
 111   EXPECT_EQ("0x2a 0xa0 0x33 0x44 (endpoint = 4)\n", device_.log());
 112 }
 113
 114 TEST_F(UsbMidiOutputStreamTest, SendControlChange) {
 115   uint8 data[] = { 0xb7, 0x33, 0x44, };
 116
 117   stream_->Send(ToVector(data));
 118   EXPECT_EQ("0x2b 0xb7 0x33 0x44 (endpoint = 4)\n", device_.log());
 119 }
 120
 121 TEST_F(UsbMidiOutputStreamTest, SendProgramChange) {
 122   uint8 data[] = { 0xc2, 0x33, };
 123
 124   stream_->Send(ToVector(data));
 125   EXPECT_EQ("0x2c 0xc2 0x33 0x00 (endpoint = 4)\n", device_.log());
 126 }
 127
 128 TEST_F(UsbMidiOutputStreamTest, SendChannelPressure) {
 129   uint8 data[] = { 0xd1, 0x33, 0x44, };
 130
 131   stream_->Send(ToVector(data));
 132   EXPECT_EQ("0x2d 0xd1 0x33 0x44 (endpoint = 4)\n", device_.log());
 133 }
 134
 135 TEST_F(UsbMidiOutputStreamTest, SendPitchWheelChange) {
 136   uint8 data[] = { 0xe4, 0x33, 0x44, };
 137
 138   stream_->Send(ToVector(data));
 139   EXPECT_EQ("0x2e 0xe4 0x33 0x44 (endpoint = 4)\n", device_.log());
 140 }
 141
 142 TEST_F(UsbMidiOutputStreamTest, SendTwoByteSysEx) {
 143   uint8 data[] = { 0xf0, 0xf7, };
 144
 145   stream_->Send(ToVector(data));
 146   EXPECT_EQ("0x26 0xf0 0xf7 0x00 (endpoint = 4)\n", device_.log());
 147 }
 148
 149 TEST_F(UsbMidiOutputStreamTest, SendThreeByteSysEx) {
 150   uint8 data[] = { 0xf0, 0x4f, 0xf7, };
 151
 152   stream_->Send(ToVector(data));
 153   EXPECT_EQ("0x27 0xf0 0x4f 0xf7 (endpoint = 4)\n", device_.log());
 154 }
 155
 156 TEST_F(UsbMidiOutputStreamTest, SendFourByteSysEx) {
 157   uint8 data[] = { 0xf0, 0x00, 0x01, 0xf7, };
 158
 159   stream_->Send(ToVector(data));
 160   EXPECT_EQ("0x24 0xf0 0x00 0x01 "
 161             "0x25 0xf7 0x00 0x00 (endpoint = 4)\n", device_.log());
 162 }
 163
 164 TEST_F(UsbMidiOutputStreamTest, SendFiveByteSysEx) {
 165   uint8 data[] = { 0xf0, 0x00, 0x01, 0x02, 0xf7, };
 166
 167   stream_->Send(ToVector(data));
 168   EXPECT_EQ("0x24 0xf0 0x00 0x01 "
 169             "0x26 0x02 0xf7 0x00 (endpoint = 4)\n", device_.log());
 170 }
 171
 172 TEST_F(UsbMidiOutputStreamTest, SendSixByteSysEx) {
 173   uint8 data[] = { 0xf0, 0x00, 0x01, 0x02, 0x03, 0xf7, };
 174
 175   stream_->Send(ToVector(data));
 176   EXPECT_EQ("0x24 0xf0 0x00 0x01 "
 177             "0x27 0x02 0x03 0xf7 (endpoint = 4)\n", device_.log());
 178 }
 179
 180 TEST_F(UsbMidiOutputStreamTest, SendPendingSysEx) {
 181   uint8 data1[] = { 0xf0, 0x33, };
 182   uint8 data2[] = { 0x44, 0x55, 0x66, };
 183   uint8 data3[] = { 0x77, 0x88, 0x99, 0xf7, };
 184
 185   stream_->Send(ToVector(data1));
 186   EXPECT_EQ("", device_.log());
 187
 188   stream_->Send(ToVector(data2));
 189   EXPECT_EQ("0x24 0xf0 0x33 0x44 (endpoint = 4)\n", device_.log());
 190   device_.ClearLog();
 191
 192   stream_->Send(ToVector(data3));
 193   EXPECT_EQ("0x24 0x55 0x66 0x77 0x27 0x88 0x99 0xf7 (endpoint = 4)\n",
 194             device_.log());
 195 }
 196
 197 TEST_F(UsbMidiOutputStreamTest, SendNoteOnAfterSysEx) {
 198   uint8 data[] = { 0xf0, 0x00, 0x01, 0x02, 0x03, 0xf7, 0x90, 0x44, 0x33, };
 199
 200   stream_->Send(ToVector(data));
 201   EXPECT_EQ("0x24 0xf0 0x00 0x01 "
 202             "0x27 0x02 0x03 0xf7 "
 203             "0x29 0x90 0x44 0x33 (endpoint = 4)\n", device_.log());
 204 }
 205
 206 TEST_F(UsbMidiOutputStreamTest, SendTimeCodeQuarterFrame) {
 207   uint8 data[] = { 0xf1, 0x22, };
 208
 209   stream_->Send(ToVector(data));
 210   EXPECT_EQ("0x22 0xf1 0x22 0x00 (endpoint = 4)\n", device_.log());
 211 }
 212
 213 TEST_F(UsbMidiOutputStreamTest, SendSongPositionPointer) {
 214   uint8 data[] = { 0xf2, 0x22, 0x33, };
 215
 216   stream_->Send(ToVector(data));
 217   EXPECT_EQ("0x23 0xf2 0x22 0x33 (endpoint = 4)\n", device_.log());
 218 }
 219
 220 TEST_F(UsbMidiOutputStreamTest, SendSongSelect) {
 221   uint8 data[] = { 0xf3, 0x22, };
 222
 223   stream_->Send(ToVector(data));
 224   EXPECT_EQ("0x22 0xf3 0x22 0x00 (endpoint = 4)\n", device_.log());
 225 }
 226
 227 TEST_F(UsbMidiOutputStreamTest, TuneRequest) {
 228   uint8 data[] = { 0xf6, };
 229
 230   stream_->Send(ToVector(data));
 231   EXPECT_EQ("0x25 0xf6 0x00 0x00 (endpoint = 4)\n", device_.log());
 232 }
 233
 234 TEST_F(UsbMidiOutputStreamTest, SendSongPositionPointerPending) {
 235   uint8 data1[] = { 0xf2, 0x22, };
 236   uint8 data2[] = { 0x33, };
 237
 238   stream_->Send(ToVector(data1));
 239   EXPECT_EQ("", device_.log());
 240
 241   stream_->Send(ToVector(data2));
 242   EXPECT_EQ("0x23 0xf2 0x22 0x33 (endpoint = 4)\n", device_.log());
 243 }
 244
 245 TEST_F(UsbMidiOutputStreamTest, SendRealTimeMessages) {
 246   uint8 data[] = { 0xf8, 0xfa, 0xfb, 0xfc, 0xfe, 0xff, };
 247
 248   stream_->Send(ToVector(data));
 249   EXPECT_EQ("0x25 0xf8 0x00 0x00 "
 250             "0x25 0xfa 0x00 0x00 "
 251             "0x25 0xfb 0x00 0x00 "
 252             "0x25 0xfc 0x00 0x00 "
 253             "0x25 0xfe 0x00 0x00 "
 254             "0x25 0xff 0x00 0x00 (endpoint = 4)\n", device_.log());
 255 }
 256
 257 TEST_F(UsbMidiOutputStreamTest, SendRealTimeInSysExMessage) {
 258   uint8 data[] = {
 259     0xf0, 0x00, 0x01, 0x02,
 260     0xf8, 0xfa,
 261     0x03, 0xf7,
 262   };
 263
 264   stream_->Send(ToVector(data));
 265   EXPECT_EQ("0x24 0xf0 0x00 0x01 "
 266             "0x25 0xf8 0x00 0x00 "
 267             "0x25 0xfa 0x00 0x00 "
 268             "0x27 0x02 0x03 0xf7 (endpoint = 4)\n", device_.log());
 269 }
 270
 271 }  // namespace
 272
 273 }  // namespace media