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<?php
namespace itertools;
use EmptyIterator;
use ArrayIterator;
use PHPUnit_Framework_TestCase;
class MapIteratorTest extends PHPUnit_Framework_TestCase
{
/** @test */
public function testMapIterator()
$square = function($n) { return $n * $n; };
$this->assertEquals(array_map($square, array(1, 2, 3)), $this->imap(array(1, 2, 3), $square));
}
/**
* @test
* @expectedException \InvalidArgumentException
*/
public function testInvalidArgument()
new MapIterator(new EmptyIterator(), 1);
protected function imap($array, $callable)
return iterator_to_array(new MapIterator($array, $callable));
SuRaMoN /
itertools
