public function testPackCustomType() { $obj = new \stdClass(); $transformer = $this->getTransformerMock(5); $transformer->expects($this->once())->method('transform')->willReturn(1); $coll = $this->getTransformerCollectionMock([$transformer]); $coll->expects($this->once())->method('match')->with($obj); $this->packer->setTransformers($coll); $this->assertSame("�", $this->packer->pack($obj)); }