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()));
}
