mcs/class/System.ComponentModel.Composition/Tests/ComponentModelUnitTest/System/ComponentModel/Composition/CompositionServicesTests.cs

   1 // -----------------------------------------------------------------------\r
   2 // Copyright (c) Microsoft Corporation.  All rights reserved.\r
   3 // -----------------------------------------------------------------------\r
   4 using System;\r
   5 using System.Collections.Generic;\r
   6 using System.ComponentModel.Composition;\r
   7 using System.ComponentModel.Composition.Hosting;\r
   8 using System.Text;\r
   9 using Microsoft.Internal;\r
  10 using Microsoft.VisualStudio.TestTools.UnitTesting;\r
  11 using System.UnitTesting;\r
  12 using Tests.Integration;\r
  13 using System.Reflection;\r
  14 using System.Reflection.Emit;\r
  15 \r
  16 namespace System.ComponentModel.Composition\r
  17 {\r
  18     [TestClass]\r
  19     public class CompositionServicesTests\r
  20     {\r
  21         private static readonly Type NonGenericType = typeof(int);\r
  22 \r
  23         [TestMethod]\r
  24         public void GetContractName_NullAsTypeArgument_ThrowsArgumentNull()\r
  25         {\r
  26             ExceptionAssert.ThrowsArgument<ArgumentNullException>("type", () =>\r
  27                 {\r
  28                     AttributedModelServices.GetContractName((Type)null);\r
  29                 });\r
  30         }        \r
  31 \r
  32         [TestMethod]\r
  33         [Description("Verifies adding custom modifiers to contract name.")]\r
  34         public void ContractNameServicesAddCustomModifiersTest()\r
  35         {\r
  36             Type[] modifiers = new Type[] { typeof(int), typeof(List<int>), typeof(double) };\r
  37             StringBuilder typeName = new StringBuilder();\r
  38             ContractNameServices.WriteCustomModifiers(typeName, "test", modifiers);\r
  39             Assert.AreEqual<string>(\r
  40                 string.Format(" {0}(System.Int32,System.Collections.Generic.List(System.Int32),System.Double)", "test"),\r
  41                 typeName.ToString(),\r
  42                 "Expecting correct modifiers text.");\r
  43         }\r
  44 \r
  45         [TestMethod]\r
  46         [Description("Verifies CompositionServices.GetDefaultContractName method.")]\r
  47         public void GetDefaultContractNameTest()\r
  48         {\r
  49             ExpectationCollection<Type, string> expectations = new ExpectationCollection<Type, string>();\r
  50 \r
  51             expectations.Add(typeof(string), "System.String");\r
  52             expectations.Add(typeof(int?), "System.Nullable(System.Int32)");\r
  53             expectations.Add(typeof(NestedParent.NestedChild), "System.ComponentModel.Composition.NestedParent+NestedChild");\r
  54             expectations.Add(typeof(int[,]), "System.Int32[,]");\r
  55             expectations.Add(typeof(int[,][][]), "System.Int32[,][][]");\r
  56             expectations.Add(typeof(Array[,][][]).MakePointerType(), "System.Array[,][][]*");\r
  57             expectations.Add(typeof(int).MakePointerType(), "System.Int32*");\r
  58             expectations.Add(typeof(int).MakePointerType().MakeArrayType(3).MakeArrayType().MakePointerType(), "System.Int32*[][,,]*");\r
  59             expectations.Add(typeof(int).MakeByRefType(), "System.Int32&");\r
  60             expectations.Add(typeof(int).MakePointerType().MakeArrayType(4).MakeArrayType().MakeByRefType(), "System.Int32*[][,,,]&");\r
  61             expectations.Add(typeof(List<>), "System.Collections.Generic.List()");\r
  62             expectations.Add(typeof(Dictionary<int,double>), "System.Collections.Generic.Dictionary(System.Int32,System.Double)");\r
  63             expectations.Add(typeof(Dictionary<Dictionary<int,double>,double>), "System.Collections.Generic.Dictionary(System.Collections.Generic.Dictionary(System.Int32,System.Double),System.Double)");\r
  64             expectations.Add(typeof(GenericContract1<int>.GenericContract2.GenericContract3<double>), "System.ComponentModel.Composition.GenericContract1(System.Int32)+GenericContract2+GenericContract3(System.Double)");\r
  65             expectations.Add(typeof(GenericContract4<int,double>.GenericContract5<double,int>.GenericContract6<int,double>), "System.ComponentModel.Composition.GenericContract4(System.Int32,System.Double)+GenericContract5(System.Double,System.Int32)+GenericContract6(System.Int32,System.Double)");\r
  66             expectations.Add(typeof(GenericContract4<,>.GenericContract5<,>.GenericContract6<,>), "System.ComponentModel.Composition.GenericContract4(,)+GenericContract5(,)+GenericContract6(,)");\r
  67             expectations.Add(typeof(GenericContract7), "System.ComponentModel.Composition.GenericContract7");\r
  68             expectations.Add(typeof(GenericContract8<int>), "System.ComponentModel.Composition.GenericContract8(System.Int32)");\r
  69             expectations.Add(typeof(GenericContract4<int,double>.GenericContract5<double,int>[][,,,,]), "System.ComponentModel.Composition.GenericContract4(System.Int32,System.Double)+GenericContract5(System.Double,System.Int32)[][,,,,]");\r
  70             expectations.Add(typeof(GenericContract4<int,double>.GenericContract5<double,int>).MakePointerType(), "System.ComponentModel.Composition.GenericContract4(System.Int32,System.Double)+GenericContract5(System.Double,System.Int32)*");\r
  71             expectations.Add(typeof(GenericContract4<int,double>.GenericContract5<double,int>[][,]).MakePointerType().MakeArrayType(4), "System.ComponentModel.Composition.GenericContract4(System.Int32,System.Double)+GenericContract5(System.Double,System.Int32)[][,]*[,,,]");            expectations.Add(typeof(OuterClassWithGenericNested.GenericNested<int>), "System.ComponentModel.Composition.OuterClassWithGenericNested+GenericNested(System.Int32)");\r
  72             expectations.Add(typeof(Delegate), "System.Delegate");\r
  73             expectations.Add(typeof(MulticastDelegate), "System.MulticastDelegate");\r
  74             expectations.Add(typeof(Action), "System.Void()");\r
  75             expectations.Add(typeof(Func<Func<string>>), "System.Func(System.String)()");\r
  76             expectations.Add(typeof(DelegateCompositionTests.DoWorkDelegate), "System.Object(System.Int32,System.Object&,System.String&)");\r
  77             expectations.Add(typeof(DelegateCompositionTests.DelegateOneArg), "System.Int32(System.Int32)");\r
  78             expectations.Add(typeof(DelegateCompositionTests.DelegateTwoArgs), "System.Int32(System.Int32,System.Int32)");\r
  79             expectations.Add(typeof(DelegateCompositionTests.SimpleDelegate), "System.Int32()");\r
  80             expectations.Add(typeof(DelegateCompositionTests.ActionWith9Args), "System.Void(System.Int32,System.Int32,System.Int32,System.Int32,System.Int32,System.Int32,System.Int32,System.Int32,System.Int32)");\r
  81             expectations.Add(typeof(DelegateCompositionTests.FuncWith9Args), "System.Int32(System.Int32,System.Int32,System.Int32,System.Int32,System.Int32,System.Int32,System.Int32,System.Int32,System.Int32)");\r
  82             expectations.Add(EmitGenericType("MyGeneratedType", typeof(int)), "MyGeneratedType(System.Int32)");\r
  83             expectations.Add(EmitGenericType("MyGeneratedType`1", typeof(string)), "MyGeneratedType(System.String)");\r
  84             expectations.Add(EmitGenericType("_name_", typeof(List<>)), "_name_(System.Collections.Generic.List())");\r
  85 \r
  86             // This particular case can clash with the name generation for methods because we use () for both generics and methods\r
  87             // we may want to fix this clash by changing the generic markers but it is likely to be very rare.\r
  88             expectations.Add(EmitGenericType("System.Void", typeof(int)), "System.Void(System.Int32)");\r
  89 \r
  90             foreach (var e in expectations)\r
  91             {\r
  92                 string typeIdentity = AttributedModelServices.GetTypeIdentity(e.Input);\r
  93                 Assert.AreEqual(e.Output, typeIdentity);\r
  94             }\r
  95 \r
  96             // Do it again to excerise the cache.\r
  97             foreach (var e in expectations)\r
  98             {\r
  99                 string typeIdentity = AttributedModelServices.GetTypeIdentity(e.Input);\r
 100                 Assert.AreEqual(e.Output, typeIdentity);\r
 101             }\r
 102         }\r
 103 \r
 104         public Type EmitGenericType(string typeName, Type genericArgumentType)\r
 105         {\r
 106             var assemblyName = new AssemblyName("EmittedTestAssembly");\r
 107             var assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Run);\r
 108             var moduleBuilder = assemblyBuilder.DefineDynamicModule("EmittedTestModule");\r
 109             var typeBuilder = moduleBuilder.DefineType(typeName, TypeAttributes.Public);\r
 110 \r
 111             GenericTypeParameterBuilder T = typeBuilder.DefineGenericParameters(new string[] { "T" })[0];\r
 112             typeBuilder.SetCustomAttribute(new CustomAttributeBuilder(typeof(ExportAttribute).GetConstructor(Type.EmptyTypes), new object[0]));\r
 113 \r
 114             return typeBuilder.CreateType().MakeGenericType(genericArgumentType);\r
 115         }\r
 116     }\r
 117 }\r