Beispiel #1
0
TEST( WaveTable, Accumulator )
{
    int length       = randomInt( 2, 256 );
    float frequency  = randomFloat( 20, 880 );
    WaveTable* table = new WaveTable( length, frequency );

    EXPECT_EQ( 0.0, table->getAccumulator() )
        << "expected WaveTable accumulator to be 0.0 upon construction";

    for ( int i = 0; i < randomInt( 1, 100 ); ++i )
    {
        SAMPLE_TYPE value = randomSample( 0.0, ( SAMPLE_TYPE ) length );
        table->setAccumulator( value );

        EXPECT_EQ( value, table->getAccumulator() )
            << "expected WaveTable accumulator to be " << value << " after setter, got " << table->getAccumulator() << " instead";
    }
    delete table;
}
Beispiel #2
0
TEST( WaveTable, Clone )
{
    int length       = randomInt( 2, 256 );
    float frequency  = randomFloat( 20, 880 );
    WaveTable* table = new WaveTable( length, frequency );

    table->setAccumulator( randomSample( 0.0, ( SAMPLE_TYPE ) length ));

    // randomly create content

    if ( randomBool() )
    {
        for ( int i = 0; i < length; ++i )
            table->getBuffer()[ i ] = randomSample( -1.0, 1.0 );
    }

    // create clone and validate its properties against the source table

    WaveTable* clone = table->clone();

    EXPECT_EQ( table->tableLength, clone->tableLength )
        << "expected cloned WaveTables length to equal the source WaveTables";

    EXPECT_EQ( table->getFrequency(), clone->getFrequency() )
        << "expected cloned WaveTable frequency to equal the source WaveTables";

    EXPECT_EQ( table->getAccumulator(), clone->getAccumulator() )
        << "expected cloned WaveTable accumulator to equal the source WaveTables";

    EXPECT_EQ( table->hasContent(), table->hasContent() )
        << "expected cloned WaveTable hasContent value to equal the source WaveTables";

    if ( table->hasContent() )
    {
        for ( int i = 0; i < length; ++i ) {
            EXPECT_EQ( table->getBuffer()[ i ], clone->getBuffer()[ i ])
                << "expected cloned WaveTable buffer to have equal buffer contents, but it didn't";
        }
    }
    delete table;
    delete clone;
}