.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
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// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using ICSharpCode.Decompiler.TypeSystem;
using ICSharpCode.Decompiler.TypeSystem.Implementation;
using NUnit.Framework;
namespace ICSharpCode.Decompiler.Tests.TypeSystem
{
[TestFixture]
public unsafe class ReflectionHelperTests
{
ICompilation compilation = new SimpleCompilation(TypeSystemLoaderTests.Mscorlib);
void TestFindType(Type type)
{
IType t = compilation.FindType(type);
Assert.That(t, Is.Not.Null, type.FullName);
Assert.That(t.ReflectionName, Is.EqualTo(type.FullName));
}
[Test]
public void TestGetInnerClass()
{
TestFindType(typeof(Environment.SpecialFolder));
}
[Test]
public void TestGetGenericClass1()
{
TestFindType(typeof(Action<>));
}
[Test]
public void TestGetGenericClass2()
{
TestFindType(typeof(Action<,>));
}
[Test]
public void TestGetInnerClassInGenericClass1()
{
TestFindType(typeof(Dictionary<,>.ValueCollection));
}
[Test]
public void TestGetInnerClassInGenericClass2()
{
TestFindType(typeof(Dictionary<,>.ValueCollection.Enumerator));
}
[Test]
public void TestToTypeReferenceInnerClass()
{
Assert.That(compilation.FindType(typeof(Environment.SpecialFolder)).ReflectionName, Is.EqualTo("System.Environment+SpecialFolder"));
}
[Test]
public void TestToTypeReferenceUnboundGenericClass()
{
Assert.That(compilation.FindType(typeof(Action<>)).ReflectionName, Is.EqualTo("System.Action`1"));
Assert.That(compilation.FindType(typeof(Action<,>)).ReflectionName, Is.EqualTo("System.Action`2"));
}
[Test]
public void TestToTypeReferenceBoundGenericClass()
{
Assert.That(compilation.FindType(typeof(Action<string>)).ReflectionName, Is.EqualTo("System.Action`1[[System.String]]"));
Assert.That(compilation.FindType(typeof(Action<int, short>)).ReflectionName, Is.EqualTo("System.Action`2[[System.Int32],[System.Int16]]"));
}
[Test]
public void TestToTypeReferenceNullableType()
{
Assert.That(compilation.FindType(typeof(int?)).ReflectionName, Is.EqualTo("System.Nullable`1[[System.Int32]]"));
}
[Test]
public void TestToTypeReferenceInnerClassInUnboundGenericType()
{
Assert.That(compilation.FindType(typeof(Dictionary<,>.ValueCollection)).ReflectionName, Is.EqualTo("System.Collections.Generic.Dictionary`2+ValueCollection"));
}
[Test]
public void TestToTypeReferenceInnerClassInBoundGenericType()
{
Assert.That(compilation.FindType(typeof(Dictionary<string, int>.KeyCollection)).ReflectionName, Is.EqualTo("System.Collections.Generic.Dictionary`2+KeyCollection[[System.String],[System.Int32]]"));
}
[Test]
public void TestToTypeReferenceArrayType()
{
Assert.That(compilation.FindType(typeof(int[])).ReflectionName, Is.EqualTo(typeof(int[]).FullName));
}
[Test]
public void TestToTypeReferenceMultidimensionalArrayType()
{
Assert.That(compilation.FindType(typeof(int[,])).ReflectionName, Is.EqualTo(typeof(int[,]).FullName));
}
[Test]
public void TestToTypeReferenceJaggedMultidimensionalArrayType()
{
Assert.That(compilation.FindType(typeof(int[,][,,])).ReflectionName, Is.EqualTo(typeof(int[,][,,]).FullName));
}
[Test]
public void TestToTypeReferencePointerType()
{
Assert.That(compilation.FindType(typeof(int*)).ReflectionName, Is.EqualTo(typeof(int*).FullName));
}
[Test]
public void TestToTypeReferenceByReferenceType()
{
Assert.That(compilation.FindType(typeof(int).MakeByRefType()).ReflectionName, Is.EqualTo(typeof(int).MakeByRefType().FullName));
}
[Test]
public void TestToTypeReferenceGenericType()
{
MethodInfo convertAllInfo = typeof(List<>).GetMethod("ConvertAll");
ITypeReference parameterType = convertAllInfo.GetParameters()[0].ParameterType.ToTypeReference(); // Converter[[`0],[``0]]
// cannot resolve generic types without knowing the parent entity:
IType resolvedWithoutEntity = parameterType.Resolve(new SimpleTypeResolveContext(compilation));
Assert.That(resolvedWithoutEntity.ReflectionName, Is.EqualTo("System.Converter`2[[`0],[``0]]"));
Assert.That(((ITypeParameter)((ParameterizedType)resolvedWithoutEntity).GetTypeArgument(0)).Owner, Is.Null);
// now try with parent entity:
IMethod convertAll = compilation.FindType(typeof(List<>)).GetMethods(m => m.Name == "ConvertAll").Single();
IType resolvedWithEntity = parameterType.Resolve(new SimpleTypeResolveContext(convertAll));
Assert.That(resolvedWithEntity.ReflectionName, Is.EqualTo("System.Converter`2[[`0],[``0]]"));
Assert.That(((ITypeParameter)((ParameterizedType)resolvedWithEntity).GetTypeArgument(0)).Owner, Is.SameAs(convertAll.DeclaringTypeDefinition));
}
[Test]
public void ParseReflectionName()
{
var context = new SimpleTypeResolveContext(compilation.MainModule);
Assert.That(ReflectionHelper.ParseReflectionName("System.Int32").Resolve(context).ReflectionName, Is.EqualTo("System.Int32"));
Assert.That(ReflectionHelper.ParseReflectionName("System.Int32&").Resolve(context).ReflectionName, Is.EqualTo("System.Int32&"));
Assert.That(ReflectionHelper.ParseReflectionName("System.Int32*&").Resolve(context).ReflectionName, Is.EqualTo("System.Int32*&"));
Assert.That(ReflectionHelper.ParseReflectionName(typeof(int).AssemblyQualifiedName).Resolve(context).ReflectionName, Is.EqualTo("System.Int32"));
Assert.That(ReflectionHelper.ParseReflectionName("System.Action`1[[System.String]]").Resolve(context).ReflectionName, Is.EqualTo("System.Action`1[[System.String]]"));
Assert.That(ReflectionHelper.ParseReflectionName("System.Action`1[[System.String, mscorlib]]").Resolve(context).ReflectionName, Is.EqualTo("System.Action`1[[System.String]]"));
Assert.That(ReflectionHelper.ParseReflectionName(typeof(int[,][,,]).AssemblyQualifiedName).Resolve(context).ReflectionName, Is.EqualTo("System.Int32[,,][,]"));
Assert.That(ReflectionHelper.ParseReflectionName("System.Environment+SpecialFolder").Resolve(context).ReflectionName, Is.EqualTo("System.Environment+SpecialFolder"));
}
[Test]
public void ParseOpenGenericReflectionName()
{
ITypeReference typeRef = ReflectionHelper.ParseReflectionName("System.Converter`2[[`0],[``0]]");
Assert.That(typeRef.Resolve(new SimpleTypeResolveContext(compilation.MainModule)).ReflectionName, Is.EqualTo("System.Converter`2[[`0],[``0]]"));
IMethod convertAll = compilation.FindType(typeof(List<>)).GetMethods(m => m.Name == "ConvertAll").Single();
Assert.That(typeRef.Resolve(new SimpleTypeResolveContext(convertAll)).ReflectionName, Is.EqualTo("System.Converter`2[[`0],[``0]]"));
}
[Test]
public void ArrayOfTypeParameter()
{
var context = new SimpleTypeResolveContext(compilation.MainModule);
Assert.That(ReflectionHelper.ParseReflectionName("`0[,]").Resolve(context).ReflectionName, Is.EqualTo("`0[,]"));
}
[Test]
public void ParseNullReflectionName()
{
Assert.Throws<ArgumentNullException>(() => ReflectionHelper.ParseReflectionName(null));
}
[Test]
public void ParseInvalidReflectionName1()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName(string.Empty));
}
[Test]
public void ParseInvalidReflectionName2()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("`"));
}
[Test]
public void ParseInvalidReflectionName3()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("``"));
}
[Test]
public void ParseInvalidReflectionName4()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Action`A"));
}
[Test]
public void ParseInvalidReflectionName5()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Environment+"));
}
[Test]
public void ParseInvalidReflectionName5b()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Environment+`"));
}
[Test]
public void ParseInvalidReflectionName6()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Int32["));
}
[Test]
public void ParseInvalidReflectionName7()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Int32[`]"));
}
[Test]
public void ParseInvalidReflectionName8()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Int32[,"));
}
[Test]
public void ParseInvalidReflectionName9()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Int32]"));
}
[Test]
public void ParseInvalidReflectionName10()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Int32*a"));
}
[Test]
public void ParseInvalidReflectionName11()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Action`1[[]]"));
}
[Test]
public void ParseInvalidReflectionName12()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Action`1[[System.Int32]a]"));
}
[Test]
public void ParseInvalidReflectionName13()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Action`1[[System.Int32],]"));
}
[Test]
public void ParseInvalidReflectionName14()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Action`1[[System.Int32]"));
}
[Test]
public void ParseInvalidReflectionName15()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Action`1[[System.Int32"));
}
[Test]
public void ParseInvalidReflectionName16()
{
Assert.Throws<ReflectionNameParseException>(() => ReflectionHelper.ParseReflectionName("System.Action`1[[System.Int32],[System.String"));
}
}
}