1using System;
 2using Gorilla.Commons.Utility;
 3using Machine.Specifications;
 4using presentation.windows.server.domain;
 5using presentation.windows.server.domain.payroll;
 6
 7namespace unit.server.domain.payroll
 8{
 9    public class GrantSpecs
10    {
11        public abstract class concern 
12        {
13            Establish c = () =>
14            {
15                Calendar.stop(() => new DateTime(2010, 01, 01));
16                sut = Grant.New(120, 10, new One<Twelfth>(), new Monthly());
17            };
18
19            static protected Grant sut;
20        }
21
22        [Subject(typeof (Grant))]
23        public class when_checking_what_the_outstanding_balance_of_a_grant_is : concern
24        {
25            It should_return_the_full_balance_before_the_first_vesting_date = () =>
26            {
27                Calendar.stop(() => new DateTime(2010, 01, 31));
28                sut.balance().should_be_equal_to(120);
29            };
30
31            It should_return_the_unvested_portion_after_the_first_vesting_date = () =>
32            {
33                Calendar.stop(() => new DateTime(2010, 02, 01));
34                sut.balance().should_be_equal_to(110);
35            };
36        }
37
38        [Subject(typeof (Grant))]
39        public class when_checking_what_the_value_of_a_grant_was_in_the_past : concern
40        {
41            Because b = () =>
42            {
43                Calendar.stop(() => january_15);
44                sut.change_unit_price_to(20);
45
46                Calendar.reset();
47                sut.change_unit_price_to(40);
48                result = sut.balance(january_15);
49            };
50
51            It should_return_the_correct_amount = () =>
52            {
53                result.should_be_equal_to(240);
54            };
55
56            static Money result;
57            static Date january_15 = new DateTime(2010, 01, 15);
58        }
59    }
60}