1 files changed, 84 insertions, 0 deletions
diff --git a/Test/Mono.Cecil.Tests/TypeReferenceComparisonTests.cs b/Test/Mono.Cecil.Tests/TypeReferenceComparisonTests.cs
new file mode 100644
index 0000000..d8332eb
--- /dev/null
+++ b/Test/Mono.Cecil.Tests/TypeReferenceComparisonTests.cs
@@ -0,0 +1,84 @@
+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);
+		}
+	}
+}