iter\IterFnTest::testMethod PHP Method

    public function testMethod()
    {
        $callMethod1 = fn\method('test');
        $callMethod2 = fn\method('test', []);
        $callMethod3 = fn\method('test', ['a', 'b']);
        $obj = new _MethodTestDummy();
        $this->assertSame([], $callMethod1($obj));
        $this->assertSame([], $callMethod2($obj));
        $this->assertSame(['a', 'b'], $callMethod3($obj));
    }