public function testHasImplementedInterfaces() { $this->assertFalse($this->class->hasImplementedInterfaces()); $this->class->addImplementedInterface('IteratorAggregate'); $this->assertTrue($this->class->hasImplementedInterfaces()); $this->class->removeImplementedInterface('IteratorAggregate'); $this->assertFalse($this->class->hasImplementedInterfaces()); }