Functional\Tests\CurryNTest::testCallbackTypes PHP Method

    public function testCallbackTypes($callback, $params, $expected, $required, $transformer = null)
    {
        if (is_null($transformer)) {
            $transformer = 'Functional\\id';
        }
        $curryied = $this->getCurryiedCallable($callback, $params, $required);
        $this->assertEquals($transformer($expected), $transformer(call_user_func_array($curryied, $params)));
        $length = count($params);
        for ($i = 0; $i < $length; ++$i) {
            $p = array_shift($params);
            $curryied = $curryied($p);
            if (count($params) > 0) {
                $this->assertTrue(is_callable($curryied));
                $this->assertEquals($transformer($expected), $transformer(call_user_func_array($curryied, $params)));
            } else {
                $this->assertEquals($transformer($expected), $transformer($curryied));
            }
        }
    }