1using developwithpassion.bdd.contexts;
 2using developwithpassion.bdd.mbunit;
 3using developwithpassion.bdd.mbunit.standard.observations;
 4using mars.rover.domain;
 5
 6namespace specifications.domain
 7{
 8    public class CoordinateSpecs
 9    {
10    }
11
12    public class when_a_coordinate_is_compared_to_another_coordinate : observations_for_a_static_sut
13    {
14        it should_tell_which_is_greater = () => new Coordinate(2).CompareTo(1).should_be_greater_than(0);
15        it should_tell_which_is_lower = () => new Coordinate(1).CompareTo(2).should_be_less_than(0);
16        it should_tell_when_they_are_equal = () => new Coordinate(1).CompareTo(1).should_be_equal_to(0);
17    }
18
19    public class when_one_coordinate_is_added_to_another_coordinate :
20        observations_for_a_sut_without_a_contract<Coordinate>
21    {
22        it should_return_a_new_coordinate_with_the_proper_grid_point = () => result.should_be_equal_to<Coordinate>(2);
23
24        context c = () =>
25                        {
26                            uint initial = 1;
27                            provide_a_basic_sut_constructor_argument(initial);
28                        };
29
30        because b = () => { result = sut.plus(1); };
31
32        static Coordinate result;
33    }
34
35    public class when_one_coordinate_is_subtracted_from_another_coordinate :
36        observations_for_a_sut_without_a_contract<Coordinate>
37    {
38        it should_return_a_new_coordinate_with_the_proper_grid_point = () => result.should_be_equal_to<Coordinate>(0);
39
40        context c = () =>
41                        {
42                            uint initial = 1;
43                            provide_a_basic_sut_constructor_argument(initial);
44                        };
45
46        because b = () => { result = sut.minus(1); };
47
48        static Coordinate result;
49    }
50}