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using System;
using System.Collections.Generic;
using Mono.Cecil;
using NUnit.Framework;
namespace Mono.Cecil.Tests {
[TestFixture]
public class TypeReferenceComparisonTests : LoadAssemblyDefinitionForTestsBaseSimple {
[SetUp]
public void SetUp ()
{
SetupAssemblyDefinitions (typeof (TypeReferenceComparisonTests).Assembly);
}
[Test]
public void TypeReferenceEqualsTypeDefinition ()
{
var typeDefinition = TypeDefinitionUtils.TypeDefinitionFor (typeof (Int32), _mscorlib);
var typeReference = new TypeReference (typeDefinition.Namespace, typeDefinition.Name, typeDefinition.Module, typeDefinition.Scope);
Assert.That (TypeReferenceEqualityComparer.AreEqual (typeDefinition, typeReference), Is.True);
}
[Test]
public void GenericParametersFromTwoTypesAreNotEqual ()
{
var listDefinition = TypeDefinitionUtils.TypeDefinitionFor (typeof (List<>), _mscorlib);
var stackDefinition = TypeDefinitionUtils.TypeDefinitionFor (typeof (Comparer<>), _mscorlib);
Assert.That (TypeReferenceEqualityComparer.AreEqual (listDefinition.GenericParameters[0], stackDefinition.GenericParameters[0]), Is.False);
}
[Test]
public void ArrayTypesDoNotMatchIfRankIsDifferent ()
{
var elementType = TypeDefinitionUtils.TypeDefinitionFor (typeof (Int32), _mscorlib);
Assert.That (TypeReferenceEqualityComparer.AreEqual (new ArrayType (elementType, 1), new ArrayType (elementType, 2)), Is.False, "Two array types with different ranks match, which is not expected.");
}
[Test]
public void ArrayTypesDoNotMatchIfElementTypeIsDifferent ()
{
Assert.That (TypeReferenceEqualityComparer.AreEqual (new ArrayType (TypeDefinitionUtils.TypeDefinitionFor (typeof (Int32), _mscorlib), 1), new ArrayType (TypeDefinitionUtils.TypeDefinitionFor (typeof (Int64), _mscorlib), 1)), Is.False, "Two array types with different element types match, which is not expected.");
}
[Test]
public void ArrayTypesWithDifferentRanksToNotMatch ()
{
var elementType = TypeDefinitionUtils.TypeDefinitionFor (typeof (Int32), _mscorlib);
Assert.That (TypeReferenceEqualityComparer.AreEqual ( (TypeSpecification) new ArrayType (elementType, 1), (TypeSpecification) new ArrayType (elementType, 2)), Is.False, "Two type specifications that are array types with different ranks match, which is not expected.");
}
[Test]
public void GenericInstanceTypeFromTwoTypesAreNotEqual ()
{
var int32Definition = TypeDefinitionUtils.TypeDefinitionFor (typeof (Int32), _mscorlib);
var listDefinition = TypeDefinitionUtils.TypeDefinitionFor (typeof (List<>), _mscorlib);
var listGenericInstance = new GenericInstanceType (listDefinition);
listGenericInstance.GenericArguments.Add (int32Definition);
var stackDefinition = TypeDefinitionUtils.TypeDefinitionFor (typeof (Comparer<>), _mscorlib);
var stackGenericInstance = new GenericInstanceType (stackDefinition);
stackGenericInstance.GenericArguments.Add (int32Definition);
Assert.That (TypeReferenceEqualityComparer.AreEqual (listGenericInstance, stackGenericInstance), Is.False);
}
[Test]
public void GenericInstanceTypeForSameTypeIsEqual ()
{
var int32Definition = TypeDefinitionUtils.TypeDefinitionFor (typeof (Int32), _mscorlib);
var listDefinition = TypeDefinitionUtils.TypeDefinitionFor (typeof (List<>), _mscorlib);
var listGenericInstance = new GenericInstanceType (listDefinition);
listGenericInstance.GenericArguments.Add (int32Definition);
var listGenericInstance2 = new GenericInstanceType (listDefinition);
listGenericInstance2.GenericArguments.Add (int32Definition);
Assert.That (TypeReferenceEqualityComparer.AreEqual (listGenericInstance, listGenericInstance2), Is.True);
}
}
}
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