// Tests the filter factor setter
TEST(HighPassFilter, TestCutoffFrequencySet) {
HighPassFilter hpf;
//Check the id's matches
EXPECT_TRUE( hpf.getId() == HighPassFilter::getId() );
const Float delta = 1.0 / 500.0f; //Set a delta for 500Hz
//Set the gain with a valid value
EXPECT_TRUE( hpf.setCutoffFrequency( 10, delta ) );
EXPECT_EQ( hpf.getFilterFactor(), GET_FILTER_FACTOR( 10.0, delta ) );
//Set the gain with a non valid value
EXPECT_FALSE( hpf.setCutoffFrequency( -1, delta ) );
EXPECT_EQ( hpf.getFilterFactor(), GET_FILTER_FACTOR( 10.0, delta ) ); //The gain should not have changed
//Set the gain with a non valid value
EXPECT_FALSE( hpf.setCutoffFrequency( 0, delta ) );
EXPECT_EQ( hpf.getFilterFactor(), GET_FILTER_FACTOR( 10.0, delta ) ); //The gain should not have changed
//Set the gain with a non valid value
EXPECT_FALSE( hpf.setCutoffFrequency( 10, 0 ) );
EXPECT_EQ( hpf.getFilterFactor(), GET_FILTER_FACTOR( 10.0, delta ) ); //The gain should not have changed
}
// Tests the default constructor
TEST(HighPassFilter, TestDefaultConstructor) {
HighPassFilter hpf;
//Check the id's matches
EXPECT_TRUE( hpf.getId() == HighPassFilter::getId() );
//Check the hpf is not trained
EXPECT_TRUE( !hpf.getTrained() );
}
// Tests the equals operator
TEST(HighPassFilter, TestEqualsOperator) {
HighPassFilter hpf;
//Check the id's matches
EXPECT_TRUE( hpf.getId() == HighPassFilter::getId() );
//Check the hpf is not trained
EXPECT_TRUE( !hpf.getTrained() );
HighPassFilter hpf2 = hpf;
//Check the id's matches
EXPECT_TRUE( hpf2.getId() == HighPassFilter::getId() );
//Check the hpf is not trained
EXPECT_TRUE( !hpf2.getTrained() );
}
// Tests the filter factor getter/setter
TEST(HighPassFilter, TestFilterFactorGetSet) {
HighPassFilter hpf;
//Check the id's matches
EXPECT_TRUE( hpf.getId() == HighPassFilter::getId() );
//Set the gain with a valid value
EXPECT_TRUE( hpf.setFilterFactor( 0.9 ) );
EXPECT_EQ( hpf.getFilterFactor(), 0.9 );
//Set the gain with a non valid value
EXPECT_FALSE( hpf.setFilterFactor( -1 ) );
EXPECT_EQ( hpf.getFilterFactor(), 0.9 ); //The gain should not have changed
//Set the gain with a non valid value
EXPECT_FALSE( hpf.setFilterFactor( 1.1 ) );
EXPECT_EQ( hpf.getFilterFactor(), 0.9 ); //The gain should not have changed
}
// Tests the save/load functions
TEST(HighPassFilter, TestSaveLoad) {
HighPassFilter hpf;
//Check the id's matches
EXPECT_TRUE( hpf.getId() == HighPassFilter::getId() );
const Float delta = 1.0 / 500.0f; //Set a delta for 500Hz
//Set the gain with a valid value
EXPECT_TRUE( hpf.setCutoffFrequency( 10, delta ) );
EXPECT_EQ( hpf.getFilterFactor(), GET_FILTER_FACTOR( 10.0, delta ) );
EXPECT_TRUE( hpf.save("hpf_unit_test_model.grt") );
EXPECT_TRUE( hpf.clear() );
EXPECT_TRUE( hpf.load("hpf_unit_test_model.grt") );
EXPECT_EQ( ROUND( hpf.getFilterFactor() ), ROUND( GET_FILTER_FACTOR( 10.0, delta ) ) ); //Due to differences in how things are load from the file, we need to round the expected value
}