|
0
|
1 using System;
|
|
|
2 using System.Collections;
|
|
|
3 using System.Collections.Generic;
|
|
|
4 using System.Reflection;
|
|
|
5
|
|
|
6 using NUnit.Framework;
|
|
|
7
|
|
|
8 using BLToolkit.Reflection;
|
|
|
9 using BLToolkit.EditableObjects;
|
|
|
10
|
|
|
11 namespace Reflection
|
|
|
12 {
|
|
|
13 [TestFixture]
|
|
|
14 public class TypeHelperTest
|
|
|
15 {
|
|
|
16 public class Attribute1 : Attribute {}
|
|
|
17 public class Attribute2 : Attribute {}
|
|
|
18 public class Attribute3 : Attribute {}
|
|
|
19 public class Attribute4 : Attribute {}
|
|
|
20
|
|
|
21 public class Attribute5 : Attribute2
|
|
|
22 {
|
|
|
23 public Attribute5(int n)
|
|
|
24 {
|
|
|
25 _n = n;
|
|
|
26 }
|
|
|
27
|
|
|
28 int _n;
|
|
|
29
|
|
|
30 public override string ToString()
|
|
|
31 {
|
|
|
32 return base.ToString() + ":" + _n;
|
|
|
33 }
|
|
|
34 }
|
|
|
35
|
|
|
36 [Attribute1]
|
|
|
37 [Attribute5(2)]
|
|
|
38 public interface IBase1
|
|
|
39 {
|
|
|
40 void Method1();
|
|
|
41 }
|
|
|
42
|
|
|
43 [Attribute5(1)]
|
|
|
44 public interface IBase2
|
|
|
45 {
|
|
|
46 void Method2();
|
|
|
47 }
|
|
|
48
|
|
|
49 [Attribute2]
|
|
|
50 [Attribute5(0)]
|
|
|
51 public class Base : IBase1, IBase2
|
|
|
52 {
|
|
|
53 public void Method1() {}
|
|
|
54 public void Method2() {}
|
|
|
55 }
|
|
|
56
|
|
|
57 [Attribute3]
|
|
|
58 public interface IObject1 : IBase1
|
|
|
59 {
|
|
|
60 }
|
|
|
61
|
|
|
62 [Attribute4]
|
|
|
63 public interface IObject2 : IBase1, IBase2
|
|
|
64 {
|
|
|
65 }
|
|
|
66
|
|
|
67 [Attribute5(2)]
|
|
|
68 public class TestObject : Base, IObject2, IObject1, IBase2
|
|
|
69 {
|
|
|
70 public new void Method2() {}
|
|
|
71 }
|
|
|
72
|
|
|
73 public struct TestStruct<T,V>
|
|
|
74 {
|
|
|
75 public T _t;
|
|
|
76 public V _v;
|
|
|
77 }
|
|
|
78
|
|
|
79 public class TestObject<T> : TestObject
|
|
|
80 {
|
|
|
81 public T Method2(T value)
|
|
|
82 {
|
|
|
83 return value;
|
|
|
84 }
|
|
|
85
|
|
|
86 public V Method2<V>()
|
|
|
87 {
|
|
|
88 return default(V);
|
|
|
89 }
|
|
|
90
|
|
|
91 public V Method3<V>(V value)
|
|
|
92 where V : IConvertible, IFormattable, new()
|
|
|
93 {
|
|
|
94 return value;
|
|
|
95 }
|
|
|
96
|
|
|
97 public V Method3<V>(Nullable<V> value)
|
|
|
98 where V : struct, IFormattable
|
|
|
99 {
|
|
|
100 return value.Value;
|
|
|
101 }
|
|
|
102
|
|
|
103 public V Method3<V, Q>(TestStruct<Nullable<V>, Q> value)
|
|
|
104 where V : struct
|
|
|
105 where Q : IFormattable
|
|
|
106 {
|
|
|
107 return default(V);
|
|
|
108 }
|
|
|
109
|
|
|
110 public V Method4<V, Q>(TestStruct<V, Q> value)
|
|
|
111 {
|
|
|
112 return default(V);
|
|
|
113 }
|
|
|
114 }
|
|
|
115
|
|
|
116 [Test]
|
|
|
117 public void GetAttributes()
|
|
|
118 {
|
|
|
119 object[] attrs = new TypeHelper(typeof(TestObject)).GetAttributes();
|
|
|
120
|
|
|
121 for (int i = 0; i < attrs.Length; i++)
|
|
|
122 {
|
|
|
123 object attr = attrs[i];
|
|
|
124 Console.WriteLine("{0}: {1} {2}", i, attr, attr.GetHashCode());
|
|
|
125 }
|
|
|
126
|
|
|
127 Assert.AreEqual(typeof(Attribute5), attrs[0].GetType());
|
|
|
128 Assert.AreEqual(typeof(Attribute5), attrs[1].GetType());
|
|
|
129 Assert.AreEqual(typeof(Attribute4), attrs[2].GetType());
|
|
|
130 Assert.AreEqual(typeof(Attribute3), attrs[3].GetType());
|
|
|
131
|
|
|
132 Assert.IsTrue(
|
|
|
133 typeof(Attribute2) == attrs[4].GetType() && typeof(Attribute5) == attrs[5].GetType() ||
|
|
|
134 typeof(Attribute2) == attrs[5].GetType() && typeof(Attribute5) == attrs[4].GetType());
|
|
|
135
|
|
|
136 Assert.IsTrue(
|
|
|
137 typeof(Attribute1) == attrs[6].GetType() && typeof(Attribute5) == attrs[7].GetType() ||
|
|
|
138 typeof(Attribute1) == attrs[7].GetType() && typeof(Attribute5) == attrs[6].GetType());
|
|
|
139
|
|
|
140 Assert.AreEqual(typeof(Attribute5), attrs[8].GetType());
|
|
|
141 }
|
|
|
142
|
|
|
143 [Test]
|
|
|
144 public void GetAttributes_ByType()
|
|
|
145 {
|
|
|
146 object[] attrs = new TypeHelper(typeof(TestObject)).GetAttributes(typeof(Attribute2));
|
|
|
147
|
|
|
148 foreach (object attr in attrs)
|
|
|
149 Console.WriteLine("{0} {1}", attr, attr.GetHashCode());
|
|
|
150
|
|
|
151 Assert.AreEqual(typeof(Attribute5), attrs[0].GetType());
|
|
|
152 Assert.AreEqual(typeof(Attribute5), attrs[1].GetType());
|
|
|
153
|
|
|
154 Assert.IsTrue(
|
|
|
155 typeof(Attribute2) == attrs[2].GetType() && typeof(Attribute5) == attrs[3].GetType() ||
|
|
|
156 typeof(Attribute2) == attrs[3].GetType() && typeof(Attribute5) == attrs[2].GetType());
|
|
|
157 }
|
|
|
158
|
|
|
159 [Test]
|
|
|
160 public void UnderlyingTypeTest()
|
|
|
161 {
|
|
|
162 Type type;
|
|
|
163
|
|
|
164 type = TypeHelper.GetUnderlyingType(typeof(int?));
|
|
|
165 Assert.AreEqual(typeof(int), type);
|
|
|
166
|
|
|
167 type = TypeHelper.GetUnderlyingType(typeof(DayOfWeek?));
|
|
|
168 Assert.AreEqual(typeof(int), type);
|
|
|
169
|
|
|
170 type = TypeHelper.GetUnderlyingType(typeof(IComparable<int>));
|
|
|
171 Assert.AreEqual(typeof(IComparable<int>), type);
|
|
|
172
|
|
|
173 }
|
|
|
174
|
|
|
175 [Test]
|
|
|
176 public void GenericsTest()
|
|
|
177 {
|
|
|
178 Type testType = typeof (TestObject<int>);
|
|
|
179 TypeHelper helper = new TypeHelper(testType);
|
|
|
180
|
|
|
181 Assert.IsNotNull(helper.GetMethod(true, "Method2")); // Generic
|
|
|
182 Assert.IsNotNull(helper.GetMethod(false, "Method2")); // Non-generic
|
|
|
183
|
|
|
184 // TestObject<T>.Method2<V>() is a generic method
|
|
|
185 Assert.IsNotNull(helper.GetMethod(true, "Method2", Type.EmptyTypes));
|
|
|
186 // TestObject.Method2() is not
|
|
|
187 Assert.IsNotNull(helper.GetMethod(false, "Method2", Type.EmptyTypes));
|
|
|
188 // TestObject<T>.Method2(T value) is neither!
|
|
|
189 Assert.IsNotNull(helper.GetMethod(false, "Method2", testType.GetGenericArguments()[0]));
|
|
|
190 // typeof(int) is same as testType.GetGenericArguments()[0]
|
|
|
191 Assert.IsNotNull(helper.GetMethod(false, "Method2", typeof(int)));
|
|
|
192 // Get TestObject<T>.Method3<V>() with constraint type hack
|
|
|
193 Assert.IsNotNull(helper.GetMethod(true, "Method3", typeof(int)));
|
|
|
194 // Get TestObject<T>.Method3<V>() with constraint violation will fail.
|
|
|
195 Assert.IsNull (helper.GetMethod(true, "Method3", typeof(object)));
|
|
|
196 // Get TestObject<T>.Method3<V>() with no types will fail
|
|
|
197 Assert.IsNull (helper.GetMethod(true, "Method3", Type.EmptyTypes));
|
|
|
198 // Nullable<> violates IFormattable constraint
|
|
|
199 Assert.IsNull (helper.GetMethod(true, "Method3", typeof(Nullable<>)));
|
|
|
200 // Method4 does not define a costraint
|
|
|
201 Assert.IsNotNull(helper.GetMethod(true, "Method4", typeof(TestStruct<,>)));
|
|
|
202
|
|
|
203 Assert.IsNotNull(helper.GetMethod(true, "Method3", typeof(Nullable<int>)));
|
|
|
204 Assert.IsNotNull(helper.GetMethod(true, "Method3", typeof(TestStruct<Nullable<int>, int>)));
|
|
|
205 Assert.IsNull (helper.GetMethod(true, "Method3", typeof(TestStruct<Nullable<int>, object>)));
|
|
|
206 Assert.IsNull (helper.GetMethod(true, "Method3", typeof(TestStruct<int, int>)));
|
|
|
207
|
|
|
208 Assert.AreEqual (15, helper.GetMethods( ).Length); // 15 total
|
|
|
209 Assert.AreEqual (5, helper.GetMethods(true ).Length); // 5 generic
|
|
|
210 Assert.AreEqual (10, helper.GetMethods(false).Length); // 10 non-generics
|
|
|
211
|
|
|
212 }
|
|
|
213
|
|
|
214 [Test, ExpectedException(typeof(AmbiguousMatchException))]
|
|
|
215 public void GenericsAmbiguousMatchTest()
|
|
|
216 {
|
|
|
217 // There are more then one Method2 in the TestObject<T> class
|
|
|
218 new TypeHelper(typeof (TestObject<int>)).GetMethod("Method2");
|
|
|
219 }
|
|
|
220
|
|
|
221 public class MyArrayList : ArrayList
|
|
|
222 {
|
|
|
223 public new TestObject this[int i]
|
|
|
224 {
|
|
|
225 get { return (TestObject)base[i]; }
|
|
|
226 }
|
|
|
227 }
|
|
|
228
|
|
|
229 [Test]
|
|
|
230 public void GetListItemType()
|
|
|
231 {
|
|
|
232 Assert.AreEqual(typeof(TestObject), TypeHelper.GetListItemType(new EditableArrayList(typeof(TestObject))));
|
|
|
233 Assert.AreEqual(typeof(TestObject), TypeHelper.GetListItemType(new TestObject[0]));
|
|
|
234 Assert.AreEqual(typeof(TestObject), TypeHelper.GetListItemType(new MyArrayList()));
|
|
|
235 Assert.AreEqual(typeof(TestObject), TypeHelper.GetListItemType(new List<TestObject>()));
|
|
|
236 }
|
|
|
237 }
|
|
|
238 }
|
|
|
239
|
