TEST( BaseAudioEvent, PositionInSeconds )
{
BaseAudioEvent* audioEvent = new BaseAudioEvent();
float startPosition = randomFloat( 0, 10 );
float endPosition = startPosition + randomFloat( 0, 10 );
int SAMPLE_RATE = 44100;
float expectedDuration = endPosition - startPosition;
int expectedSampleStart = BufferUtility::secondsToBuffer( startPosition, SAMPLE_RATE );
int expectedSampleEnd = BufferUtility::secondsToBuffer( endPosition, SAMPLE_RATE );
int expectedSampleLength = ( expectedSampleEnd - expectedSampleStart ) - 1;
audioEvent->setStartPosition( startPosition );
EXPECT_FLOAT_EQ( startPosition, audioEvent->getStartPosition() );
EXPECT_FLOAT_EQ( startPosition, audioEvent->getEndPosition() )
<< "expected end position to equal start position (hasn't been explicitly set yet)";
EXPECT_FLOAT_EQ( 0, audioEvent->getDuration())
<< "expected zero duration (duration nor end haven't been explicitly set yet)";
EXPECT_EQ( 0, audioEvent->getSampleLength())
<< "expected zero sample length (duration nor end haven't been explicitly set yet)";
EXPECT_EQ( expectedSampleStart, audioEvent->getSampleStart() )
<< "expected sample start to have been updated after setting start position";
audioEvent->setEndPosition( endPosition );
EXPECT_FLOAT_EQ( startPosition, audioEvent->getStartPosition() );
EXPECT_FLOAT_EQ( endPosition, audioEvent->getEndPosition() );
EXPECT_FLOAT_EQ( expectedDuration, audioEvent->getDuration() );
EXPECT_EQ( expectedSampleEnd, audioEvent->getSampleEnd())
<< "expected sample end to have been updated after setting end position";
EXPECT_EQ( expectedSampleLength, audioEvent->getSampleLength())
<< "expected sample length to have been updated after setting end position";
expectedDuration /= 2;
float expectedEndPosition = startPosition + expectedDuration;
audioEvent->setDuration( expectedDuration );
EXPECT_FLOAT_EQ( expectedDuration, audioEvent->getDuration() );
EXPECT_FLOAT_EQ( expectedEndPosition, audioEvent->getEndPosition())
<< "expected end position to have corrected after updating of duration";
deleteAudioEvent( audioEvent );
}
TEST( BaseAudioEvent, PositionInSamples )
{
BaseAudioEvent* audioEvent = new BaseAudioEvent();
int sampleLength = randomInt( 512, 8192 );
int sampleStart = randomInt( 0, sampleLength / 2 );
int expectedEnd = sampleStart + ( sampleLength - 1 );
audioEvent->setSampleStart ( sampleStart );
audioEvent->setSampleLength( sampleLength );
EXPECT_EQ( sampleStart, audioEvent->getSampleStart() );
EXPECT_EQ( expectedEnd, audioEvent->getSampleEnd() );
EXPECT_EQ( sampleLength, audioEvent->getSampleLength() );
// test whether values in seconds have updated accordingly
int SAMPLE_RATE = 44100;
float expectedStartPosition = BufferUtility::bufferToSeconds( sampleStart, SAMPLE_RATE );
float expectedEndPosition = BufferUtility::bufferToSeconds( expectedEnd, SAMPLE_RATE );
float expectedDuration = expectedEndPosition - expectedStartPosition;
EXPECT_FLOAT_EQ( expectedStartPosition, audioEvent->getStartPosition() );
EXPECT_FLOAT_EQ( expectedEndPosition, audioEvent->getEndPosition() );
EXPECT_FLOAT_EQ( expectedDuration, audioEvent->getDuration() );
// test auto sanitation of properties
audioEvent->setSampleEnd( expectedEnd * 2 );
EXPECT_EQ( expectedEnd, audioEvent->getSampleEnd() )
<< "expected sample end not to exceed the range set by the sample start and length properties";
sampleLength /= 2;
audioEvent->setSampleLength( sampleLength );
expectedEnd = sampleStart + ( sampleLength - 1 );
EXPECT_EQ( expectedEnd, audioEvent->getSampleEnd() )
<< "expected sample end not to exceed the range set by the sample start and updated length properties";
// test non sanitation of properties for loopeable events
audioEvent->setLoopeable( true );
expectedEnd *= 2;
audioEvent->setSampleEnd( expectedEnd );
EXPECT_EQ( expectedEnd, audioEvent->getSampleEnd() )
<< "expected sample end to exceed the range set by the sample start and length properties for loopeable event";
sampleLength /= 2;
audioEvent->setSampleLength( sampleLength );
EXPECT_EQ( expectedEnd, audioEvent->getSampleEnd() )
<< "expected sample end to exceed the range set by the sample start and updated length properties for loopeable event";
deleteAudioEvent( audioEvent );
}