Nelmio\Alice\Definition\Value\ListValueTest::testIsImmutable PHP Method

    public function testIsImmutable()
    {
        $value = new ListValue([$arg0 = new \stdClass()]);
        // Mutate injected value
        $arg0->foo = 'bar';
        // Mutate returned value
        $value->getValue()[0]->foo = 'baz';
        $this->assertEquals([new \stdClass()], $value->getValue());
    }