public function testScenario1() { $entries = array(new MapEntry('a', 1), new MapEntry('a', 2), new MapEntry('a', 3)); $input = new ReduceInput(); $input->setKey('a'); $input->setList($entries); $this->assertEquals('a', $input->getKey()); $this->assertType('array', $input->getList()); $this->assertEquals(3, count($input->getList())); }