Imported Upstream version 5.0.0.42

Former-commit-id: fd56571888259555122d8a0f58c68838229cea2b

external/linker/cecil/rocks/Test/Mono.Cecil.Tests/MethodDefinitionRocksTests.cs

@@ -0,0 +1,66 @@
+using System.Linq;
+
+using NUnit.Framework;
+
+using Mono.Cecil.Rocks;
+
+namespace Mono.Cecil.Tests {
+
+	[TestFixture]
+	public class MethodDefinitionRocksTests : BaseTestFixture {
+
+		abstract class Foo {
+			public abstract void DoFoo ();
+			public abstract void DoBar ();
+		}
+
+		class Bar : Foo {
+			public override void DoFoo ()
+			{
+			}
+
+			public override void DoBar ()
+			{
+			}
+		}
+
+		class Baz : Bar {
+			public override void DoFoo ()
+			{
+			}
+
+			public virtual new void DoBar ()
+			{
+			}
+		}
+
+		[Test]
+		public void GetBaseMethod ()
+		{
+			var baz = typeof (Baz).ToDefinition ();
+			var baz_dofoo = baz.GetMethod ("DoFoo");
+
+			var @base = baz_dofoo.GetBaseMethod ();
+			Assert.AreEqual ("Bar", @base.DeclaringType.Name);
+
+			@base = @base.GetBaseMethod ();
+			Assert.AreEqual ("Foo", @base.DeclaringType.Name);
+
+			Assert.AreEqual (@base, @base.GetBaseMethod ());
+
+			var new_dobar = baz.GetMethod ("DoBar");
+			@base = new_dobar.GetBaseMethod();
+			Assert.AreEqual("Baz", @base.DeclaringType.Name);
+		}
+
+		[Test]
+		public void GetOriginalBaseMethod ()
+		{
+			var baz = typeof (Baz).ToDefinition ();
+			var baz_dofoo = baz.GetMethod ("DoFoo");
+
+			var @base = baz_dofoo.GetOriginalBaseMethod ();
+			Assert.AreEqual ("Foo", @base.DeclaringType.Name);
+		}
+	}
+}