JBZoo\PHPUnit\ArrayTest::testIsAttr PHP Метод

    public function testIsAttr()
    {
        $array = array('key' => 'asd', 'null' => null, 'false' => false);
        isTrue(Arr::key('key', $array));
        isTrue(Arr::key('null', $array));
        isTrue(Arr::key('false', $array));
        isSame('asd', Arr::key('key', $array, true));
        isSame(null, Arr::key('undefined', $array, true));
        isSame(true, Arr::key('key', $array, false));
        isSame(false, Arr::key('undefined', $array, false));
        isFalse(Arr::key('undefined', $array));
        isFalse(Arr::key('', $array));
        isFalse(Arr::key(null, $array));
        isFalse(Arr::key(false, $array));
    }