public void can_expand_resources() { var obj = new TestOptions { AString = "foo", }; obj.AddExpand("example1.subexample1"); obj.AddExpand("example2"); obj.AddExpand("example3.subexample3"); var url = Service.ApplyAllParameters(obj, "", false); url.Should().Be("?a_string=foo&expand[]=example1.subexample1&expand[]=example2&expand[]=example3.subexample3"); }