public function testUseStatements()
{
$class = new PhpClass();
$this->assertEquals([], $class->getAttributes());
$this->assertSame($class, $class->setAttributes(['foo' => 'bar']));
$this->assertEquals(['foo' => 'bar'], $class->getAttributes());
$this->assertSame($class, $class->setAttribute('key', 'val'));
$this->assertEquals(['foo' => 'bar', 'key' => 'val'], $class->getAttributes());
$this->assertTrue($class->hasAttribute('foo'));
$this->assertSame('bar', $class->removeAttribute('foo'));
$this->assertEquals(['key' => 'val'], $class->getAttributes());
$this->assertTrue($class->hasAttribute('key'));
$this->assertEquals('val', $class->getAttribute('key'));
$this->assertEquals('bar', $class->getAttributeOrElse('foo', 'bar'));
$this->assertEquals('val', $class->getAttributeOrElse('key', 'bar'));
}