public function testAddExtraKeys() { $packageFile = new PackageFile(); $packageFile->setExtraKey('key1', 'value1'); $packageFile->addExtraKeys(array('key2' => 'value2', 'key3' => 'value3')); $this->assertSame(array('key1' => 'value1', 'key2' => 'value2', 'key3' => 'value3'), $packageFile->getExtraKeys()); }