Nelmio\Alice\ParameterTest::testIsImmutable PHP Метод

    public function testIsImmutable()
    {
        $parameter = new Parameter('foo', [$std = new \stdClass()]);
        // Mutate injected object
        $std->foo = 'bar';
        // Mutate retrieved object
        $parameter->getValue()[0]->foo = 'baz';
        $this->assertEquals(new Parameter('foo', [new \stdClass()]), $parameter);
    }