1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.IO;
6 using NUnit.Framework.Constraints;
7 using NUnit.Framework;
8
9 namespace TestAssertLearning
10 {
11 [TestFixture]
12 class AssertModuleTest
13 {
14 private FileInfo fi;
15 private FileStream fs;
16 private DefaultDefine dd;
17 public class dad : DefaultDefine
18 {
19 public int realID;
20 public dad()
21 {
22 realID = 100;
23 }
24 }
25 public dad ad;
26 [SetUp]
27 public void AssertTestSetup()
28 {
29 dd = new DefaultDefine();
30 ad = new dad();
31 fi = new FileInfo(@"D:\a.txt");
32 if (fs != null)
33 fs.Close();
34 fs = new FileStream(@"D:\b.txt", FileMode.Create);
35 }
36
37 [Test]//同等断言
38 public void EqualTest()
39 {
40 Assert.That(5093, Is.EqualTo(5000 + 93));
41 Assert.That(2 + 3, Is.Not.EqualTo(2));
42 Assert.That(ad.ID, Is.EqualTo(dd.ID));
43 }
44
45 [Test]//条件测试
46 public void ConditionTest()
47 {
48 Assert.That(double.NaN, Is.NaN);
49 Assert.That(3 > 2, Is.True);
50 Assert.That(3 == 3);
51 Assert.That(ad.NAME == dd.NAME);
52 Assert.That("", Is.Empty);
53 }
54
55 [Test]//一致性断言
56 public void SameAsTest()
57 {
58 Assert.That(dd, Is.Not.SameAs(ad));
59 Assert.That(dd, Is.SameAs(dd));
60 }
61
62 [Test]//比较断言
63 public void ComparisonTest()
64 {
65 Assert.That(100, Is.GreaterThan(3));
66 Assert.That(3, Is.LessThanOrEqualTo(3));
67 Assert.That(4, Is.AtLeast(3));
68 }
69
70 [Test]//类型断言
71 public void TypeTest()
72 {
73 Assert.That("5", Is.TypeOf(typeof(string)));
74 Assert.That(dd, Is.InstanceOf(typeof(DefaultDefine)));
75 Assert.That(ad, Is.AssignableFrom(typeof(dad)));
76 }
77
78 [Test]//字符串断言
79 public void StringTest()
80 {
81 var bb = "Hello World";
82 Assert.That(bb, Text.StartsWith("h").IgnoreCase);
83 Assert.That(bb, Text.DoesNotStartWith("h"));
84 Assert.That(bb, Text.DoesNotContain("a"));
85 Assert.That(bb, Text.Matches("Hello*"));
86 }
87
88 [Test]//文件断言
89 public void FileTest()
90 {
91 Assert.That(fi, Is.Not.EqualTo(fs));
92 }
93
94 [Test]//集合断言
95 public void CollectionsTest()
96 {
97 object[] ints = new object[] { 1, 2, 3, 4 };
98 object[] doubles = new object[] { 1.44, 2.3, 4.4, 2.05 };
99 object[] strings = new object[] { "absc", "asdaf", " ssdd", "fess" };
100
101 Assert.That(ints, Has.None.Null);
102 Assert.That(ints, Is.All.Not.Null);
103 Assert.That(ints, Is.All.AssignableFrom(typeof(int)));
104 Assert.That(strings, Is.All.AssignableFrom(typeof(string)));
105 //元素保持唯一性，互不相同
106 Assert.That(ints, Is.Unique);
107 Assert.That(ints, Is.Not.All.GreaterThan(3));
108 Assert.That(strings, Has.Some.StartsWith("a"));
109 Assert.That(strings, Has.Some.StartsWith(" "));
110 Assert.That(doubles, Is.All.InstanceOf(typeof(double)));
111 Assert.That(strings, Has.Some.EndsWith("s"));
112 Assert.That(strings, Is.All.Contains("s"));
113 }
114
115 [Test]//复合断言
116 public void CompoundTest()
117 {
118 Assert.That(2 + 2, Is.EqualTo(4) & Is.GreaterThan(2));
119 Assert.That(2, Is.GreaterThan(6) | Is.LessThanOrEqualTo(3));
120 }
121
122 [Test]//属性断言
123 public void PropertyTest()
124 {
125 dad[] ss = new dad[4] { new dad(), new dad(), new dad(), new dad() };
126 object[] oo = new object[3] { 3, "2", ss };
127 Assert.That(ss, Has.Some.Property("NAME"));
128 Assert.That(oo, Is.EqualTo(oo));
129 Assert.That(oo, Has.Some.Property("Length"));
130 Assert.That(ss, Is.All.Property("ID"));
131 Assert.That(oo, Has.Some.Equals(3));
132 }
133
134 [TearDown]
135 public void TearDown()
136 {
137 dd = null;
138 fs.Close();
139 ad = null;
140 }
141 }
142 }
