iter\IterTest::testToArrayWithKeys PHP Метод

    public function testToArrayWithKeys()
    {
        $this->assertSame(['a' => 1, 'b' => 2, 'c' => 3], toArrayWithKeys(['a' => 1, 'b' => 2, 'c' => 3]));
        $this->assertSame(['a' => 1, 'b' => 2, 'c' => 3], toArrayWithKeys(new \ArrayIterator(['a' => 1, 'b' => 2, 'c' => 3])));
        $this->assertSame(['a' => 3, 'b' => 2], toArrayWithKeys(chain(['a' => 1, 'b' => 2], ['a' => 3])));
    }