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

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