public function testRequiredFiles() { $class = new PhpClass(); $this->assertEquals(array(), $class->getRequiredFiles()); $this->assertSame($class, $class->setRequiredFiles(array('foo'))); $this->assertEquals(array('foo'), $class->getRequiredFiles()); $this->assertSame($class, $class->addRequiredFile('bar')); $this->assertEquals(array('foo', 'bar'), $class->getRequiredFiles()); }