public function testConstruct()
{
$oStubWriter = $this->getMockForAbstractClass('PhpOffice\\PhpPresentation\\Writer\\AbstractWriter');
$oStubZip = $this->getMockForAbstractClass('PhpOffice\\Common\\Adapter\\Zip\\ZipInterface');
$this->assertNull($oStubWriter->getZipAdapter());
$this->assertInstanceOf('PhpOffice\\PhpPresentation\\Writer\\AbstractWriter', $oStubWriter->setZipAdapter($oStubZip));
$this->assertInstanceOf('PhpOffice\\Common\\Adapter\\Zip\\ZipInterface', $oStubWriter->getZipAdapter());
}