tests/unit/test_audio_buffer.cpp - main - reds/OpenDAW

tests/unit/test_audio_buffer.cpp
97 строк2 KB
OpenDAW Developer
feat: Initial OpenDAW v0.1.0 release
20 фев 2026, 23:57
20 фев 2026, 23:57720a381
// Unit tests for AudioBuffer
#include <opendaw/audio/AudioBuffer.h>
#include <gtest/gtest.h>

using namespace opendaw;

TEST(AudioBufferTest, ConstructorAndResize) {
    AudioBuffer<float> buffer(2, 512);
    
    EXPECT_EQ(buffer.getNumChannels(), 2);
    EXPECT_EQ(buffer.getNumSamples(), 512);
    EXPECT_EQ(buffer.getTotalSamples(), 1024);
    EXPECT_FALSE(buffer.isEmpty());
    
    buffer.resize(4, 1024);
    EXPECT_EQ(buffer.getNumChannels(), 4);
    EXPECT_EQ(buffer.getNumSamples(), 1024);
}

TEST(AudioBufferTest, Clear) {
    AudioBuffer<float> buffer(2, 256);
    
    for (int ch = 0; ch < buffer.getNumChannels(); ++ch) {
        auto* data = buffer.getChannel(ch);
        for (int i = 0; i < buffer.getNumSamples(); ++i) {
            data[i] = 1.0f;
        }
    }
    
    buffer.clear();
    
    for (int ch = 0; ch < buffer.getNumChannels(); ++ch) {
        for (int i = 0; i < buffer.getNumSamples(); ++i) {
            EXPECT_FLOAT_EQ(buffer.getSample(ch, i), 0.0f);
        }
    }
}

TEST(AudioBufferTest, GetSetSample) {
    AudioBuffer<float> buffer(2, 128);
    
    buffer.setSample(0, 0, 0.5f);
    buffer.setSample(1, 64, -0.5f);
    
    EXPECT_FLOAT_EQ(buffer.getSample(0, 0), 0.5f);
    EXPECT_FLOAT_EQ(buffer.getSample(1, 64), -0.5f);
}

TEST(AudioBufferTest, ApplyGain) {
    AudioBuffer<float> buffer(2, 256);
    
    for (int ch = 0; ch < buffer.getNumChannels(); ++ch) {
        auto* data = buffer.getChannel(ch);
        for (int i = 0; i < buffer.getNumSamples(); ++i) {
            data[i] = 1.0f;
        }
    }
    
    buffer.applyGain(0.5f);
    
    for (size_t i = 0; i < buffer.getTotalSamples(); ++i) {
        EXPECT_FLOAT_EQ(buffer.getData()[i], 0.5f);
    }
}

TEST(MidiBufferTest, AddAndRetrieve) {
    MidiBuffer buffer;
    
    buffer.addNoteOn(0, 60, 100, 0);
    buffer.addNoteOff(0, 60, 0, 480);
    
    EXPECT_EQ(buffer.getNumEvents(), 2);
    
    auto& event = buffer.getEvent(0);
    EXPECT_TRUE(event.isNoteOn());
    EXPECT_EQ(event.getNoteNumber(), 60);
    EXPECT_EQ(event.getVelocity(), 100);
}

TEST(MidiBufferTest, Sort) {
    MidiBuffer buffer;
    
    buffer.addNoteOn(0, 72, 100, 200);
    buffer.addNoteOn(0, 60, 100, 0);
    buffer.addNoteOn(0, 67, 100, 100);
    
    buffer.sort();
    
    EXPECT_EQ(buffer.getEvent(0).frameOffset, 0u);
    EXPECT_EQ(buffer.getEvent(1).frameOffset, 100u);
    EXPECT_EQ(buffer.getEvent(2).frameOffset, 200u);
}

int main(int argc, char** argv) {
    ::testing::InitGoogleTest(&argc, argv);
    return RUN_ALL_TESTS();
}