setIndex($index)->getTune(); $this->assertInstanceOf(Tune::class, $tune); $this->assertEquals($index->getValue(), $tune->getIndex()); } public function testAppendMusic() { $music = new \Enzyme\Axiom\Atoms\StringAtom('Abcd|'); $builder = new TuneAttributeArrayBuilder(); $tune = $builder->appendMusic($music)->getTune(); $this->assertInstanceOf(Tune::class, $tune); $this->assertEquals($music->getValue(), trim($tune->getMusic())); } }