1 //
2 // AttributeUsageAttributeTest.cs
3 //
4 // Authors:
5 //  Alexander Köplinger (alkpli@microsoft.com)
6 //
7 // (c) 2017 Microsoft
8 //
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
16 //
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
19 //
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 //
28 
29 using System;
30 using System.Threading;
31 using System.Reflection;
32 using System.Reflection.Emit;
33 using NUnit.Framework;
34 
35 namespace MonoTests.System {
36 
37 	/// <summary>
38 	/// Summary description for AttributeUsageAttributeTest.
39 	/// </summary>
40 	[TestFixture]
41 	public class AttributeUsageAttributeTest
42 	{
43 #if !MOBILE
44 		private AssemblyBuilder dynAssembly;
45 		AssemblyName dynAsmName = new AssemblyName ();
46 		AttributeUsageAttribute attr;
47 
AttributeUsageAttributeTest()48 		public AttributeUsageAttributeTest ()
49 		{
50 			//create a dynamic assembly with the required attribute
51 			//and check for the validity
52 
53 			dynAsmName.Name = "TestAssembly";
54 
55 			dynAssembly = Thread.GetDomain ().DefineDynamicAssembly (
56 				dynAsmName,AssemblyBuilderAccess.Run
57 				);
58 
59 			// Set the required Attribute of the assembly.
60 			Type attribute = typeof (AttributeUsageAttribute);
61 			ConstructorInfo ctrInfo = attribute.GetConstructor (
62 				new Type [] { typeof (AttributeTargets) }
63 				);
64 			CustomAttributeBuilder attrBuilder =
65 				new CustomAttributeBuilder (ctrInfo, new object [1] { AttributeTargets.Assembly });
66 			dynAssembly.SetCustomAttribute (attrBuilder);
67 			object [] attributes = dynAssembly.GetCustomAttributes (true);
68 			attr = attributes [0] as AttributeUsageAttribute;
69 		}
70 
71 		[Test]
AttributeUsageTest()72 		public void AttributeUsageTest ()
73 		{
74 			Assert.AreEqual (
75 				attr.ValidOn,
76 				AttributeTargets.Assembly, "#1");
77 			Assert.AreEqual (
78 				attr.AllowMultiple,
79 				false, "#2");
80 			Assert.AreEqual (
81 				attr.Inherited,
82 				true, "#3");
83 		}
84 
85 		[Test]
TypeIdTest()86 		public void TypeIdTest ()
87 		{
88 			Assert.AreEqual (
89 				attr.TypeId,
90 				typeof (AttributeUsageAttribute), "#1"
91 				);
92 		}
93 
94 		[Test]
MatchTestForTrue()95 		public void MatchTestForTrue ()
96 		{
97 			Assert.AreEqual (
98 				attr.Match (attr),
99 				true, "#1");
100 		}
101 
102 		[Test]
MatchTestForFalse()103 		public void MatchTestForFalse ()
104 		{
105 			Assert.AreEqual (
106 				attr.Match (new AttributeUsageAttribute (AttributeTargets.Method)),
107 				false, "#1");
108 		}
109 #endif
110 		[Test]
CtorTest()111 		public void CtorTest ()
112 		{
113 			var a = new AttributeUsageAttribute (AttributeTargets.Method);
114 			Assert.AreEqual (AttributeTargets.Method, a.ValidOn);
115 			Assert.False (a.AllowMultiple);
116 			Assert.True (a.Inherited);
117 		}
118 
119 		[Test]
PropertyTest()120 		public void PropertyTest ()
121 		{
122 			var a = new AttributeUsageAttribute (AttributeTargets.Method | AttributeTargets.Class);
123 			a.AllowMultiple = true;
124 			a.Inherited = false;
125 			Assert.AreEqual (AttributeTargets.Method | AttributeTargets.Class, a.ValidOn);
126 			Assert.True (a.AllowMultiple);
127 			Assert.False (a.Inherited);
128 		}
129 	}
130 }
131 
132