itertools\MapIteratorTest

Complexity

Total Complexity

3

Size/Duplication

Total Lines	23
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	2

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	testMapIterator()	0	5	1
A	testInvalidArgument()	0	4	1
A	imap()	0	4	1

<?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));
	}
}