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// 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_queue.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
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>
void Add(MidiMessageQueue* queue, const T(&array)[N]) {
queue->Add(array, N);
}
template <typename T, size_t N>
::testing::AssertionResult ExpectEqualSequence(
const char* expr1, const char* expr2,
const T(&expected)[N], const std::vector<T>& actual) {
if (actual.size() != N) {
return ::testing::AssertionFailure()
<< "expected: " << ::testing::PrintToString(expected)
<< ", actual: " << ::testing::PrintToString(actual);
}
for (size_t i = 0; i < N; ++i) {
if (expected[i] != actual[i]) {
return ::testing::AssertionFailure()
<< "expected: " << ::testing::PrintToString(expected)
<< ", actual: " << ::testing::PrintToString(actual);
}
}
return ::testing::AssertionSuccess();
}
#define EXPECT_MESSAGE(expected, actual) \
EXPECT_PRED_FORMAT2(ExpectEqualSequence, expected, actual)
TEST(MidiMessageQueueTest, EmptyData) {
MidiMessageQueue queue(false);
std::vector<uint8> message;
queue.Get(&message);
EXPECT_TRUE(message.empty());
}
TEST(MidiMessageQueueTest, RunningStatusDisabled) {
MidiMessageQueue queue(false);
Add(&queue, kGMOn);
Add(&queue, kBrokenData1);
Add(&queue, kNoteOnWithRunningStatus);
Add(&queue, kBrokenData2);
Add(&queue, kChannelPressureWithRunningStatus);
Add(&queue, kBrokenData3);
Add(&queue, kNoteOn);
Add(&queue, kBrokenData1);
Add(&queue, kGSOn);
Add(&queue, kBrokenData2);
Add(&queue, kTimingClock);
Add(&queue, kBrokenData3);
std::vector<uint8> message;
queue.Get(&message);
EXPECT_MESSAGE(kGMOn, message);
queue.Get(&message);
EXPECT_MESSAGE(kNoteOn, message) << "Running status should be ignored";
queue.Get(&message);
EXPECT_MESSAGE(kChannelPressure, message)
<< "Running status should be ignored";
queue.Get(&message);
EXPECT_MESSAGE(kNoteOn, message);
queue.Get(&message);
EXPECT_MESSAGE(kGSOn, message);
queue.Get(&message);
EXPECT_MESSAGE(kTimingClock, message);
queue.Get(&message);
EXPECT_TRUE(message.empty());
}
TEST(MidiMessageQueueTest, RunningStatusEnabled) {
MidiMessageQueue queue(true);
Add(&queue, kGMOn);
Add(&queue, kBrokenData1);
Add(&queue, kNoteOnWithRunningStatus);
Add(&queue, kBrokenData2);
Add(&queue, kChannelPressureWithRunningStatus);
Add(&queue, kBrokenData3);
Add(&queue, kNoteOn);
Add(&queue, kBrokenData1);
Add(&queue, kGSOn);
Add(&queue, kBrokenData2);
Add(&queue, kTimingClock);
Add(&queue, kDataByte0);
std::vector<uint8> message;
queue.Get(&message);
EXPECT_MESSAGE(kGMOn, message);
queue.Get(&message);
EXPECT_MESSAGE(kNoteOn, message);
queue.Get(&message);
EXPECT_MESSAGE(kNoteOn, message)
<< "Running status should be converted into a canonical MIDI message";
queue.Get(&message);
EXPECT_MESSAGE(kNoteOn, message)
<< "Running status should be converted into a canonical MIDI message";
queue.Get(&message);
EXPECT_MESSAGE(kChannelPressure, message);
queue.Get(&message);
EXPECT_MESSAGE(kChannelPressure, message)
<< "Running status should be converted into a canonical MIDI message";
queue.Get(&message);
EXPECT_MESSAGE(kChannelPressure, message)
<< "Running status should be converted into a canonical MIDI message";
queue.Get(&message);
EXPECT_MESSAGE(kNoteOn, message);
queue.Get(&message);
EXPECT_MESSAGE(kGSOn, message);
queue.Get(&message);
EXPECT_MESSAGE(kTimingClock, message);
queue.Get(&message);
EXPECT_TRUE(message.empty())
<< "Running status must not be applied to real time messages";
}
TEST(MidiMessageQueueTest, RunningStatusEnabledWithRealTimeEvent) {
MidiMessageQueue queue(true);
const uint8 kNoteOnWithRunningStatusWithkTimingClock[] = {
0x90, 0xf8, 0x3c, 0xf8, 0x7f, 0xf8, 0x3c, 0xf8, 0x7f, 0xf8, 0x3c, 0xf8,
0x7f,
};
Add(&queue, kNoteOnWithRunningStatusWithkTimingClock);
std::vector<uint8> message;
queue.Get(&message);
EXPECT_MESSAGE(kTimingClock, message);
queue.Get(&message);
EXPECT_MESSAGE(kTimingClock, message);
queue.Get(&message);
EXPECT_MESSAGE(kNoteOn, message);
queue.Get(&message);
EXPECT_MESSAGE(kTimingClock, message);
queue.Get(&message);
EXPECT_MESSAGE(kTimingClock, message);
queue.Get(&message);
EXPECT_MESSAGE(kNoteOn, message);
queue.Get(&message);
EXPECT_MESSAGE(kTimingClock, message);
queue.Get(&message);
EXPECT_MESSAGE(kTimingClock, message);
queue.Get(&message);
EXPECT_MESSAGE(kNoteOn, message);
queue.Get(&message);
EXPECT_TRUE(message.empty());
}
} // namespace
} // namespace media
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