1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71


using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace Hef.TopCoder.Srm145.Div2
{
  [TestClass]
  public class ImageDitheringTest : ImageDithering
  {
    [TestMethod]
    public void TestExample0()
    {
      string dithered = "BW";
      string[] screen = { "AAAAAAAA", 
                          "ABWBWBWA",
                          "AWBWBWBA",
                          "ABWBWBWA",
                          "AWBWBWBA",
                          "AAAAAAAA" };

      Assert.AreEqual<int>(24, this.count(dithered, screen));
    }

    [TestMethod]
    public void TestExample1()
    {
      string dithered = "BW";
      string[] screen = { "BBBBBBBB",
                          "BBWBWBWB",
                          "BWBWBWBB",
                          "BBWBWBWB",
                          "BWBWBWBB",
                          "BBBBBBBB" };

      Assert.AreEqual<int>(48, this.count(dithered, screen));
    }

    [TestMethod]
    public void TestExample2()
    {
      string dithered = "ACEGIKMOQSUWY";
      string[] screen = { "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWX",
                          "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWX",
                          "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWX",
                          "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWX",
                          "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWX",
                          "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWX" };

      Assert.AreEqual<int>(150, this.count(dithered, screen));
    }

    [TestMethod]
    public void TestExample3()
    {
      string dithered = "CA";
      string[] screen = { "BBBBBBB",
                          "BBBBBBB",
                          "BBBBBBB"};

      Assert.AreEqual<int>(0, this.count(dithered, screen));
    }

    [TestMethod]
    public void TestExample4()
    {
      string dithered = "DCBA";
      string[] screen = { "ACBD" };

      Assert.AreEqual<int>(4, this.count(dithered, screen));
    }
  }
}