Imported Upstream version 4.8.0.309

Former-commit-id: 5f9c6ae75f295e057a7d2971f3a6df4656fa8850

external/cecil-legacy/Test/Mono.Cecil.Tests/VariableTests.cs

@@ -0,0 +1,108 @@
+using System;
+using System.Linq;
+
+using Mono.Cecil;
+using Mono.Cecil.Cil;
+
+using NUnit.Framework;
+
+namespace Mono.Cecil.Tests {
+
+	[TestFixture]
+	public class VariableTests : BaseTestFixture {
+
+		[Test]
+		public void AddVariableIndex ()
+		{
+			var object_ref = new TypeReference ("System", "Object", null, null, false);
+			var method = new MethodDefinition ("foo", MethodAttributes.Static, object_ref);
+			var body = new MethodBody (method);
+
+			var x = new VariableDefinition ("x", object_ref);
+			var y = new VariableDefinition ("y", object_ref);
+
+			body.Variables.Add (x);
+			body.Variables.Add (y);
+
+			Assert.AreEqual (0, x.Index);
+			Assert.AreEqual (1, y.Index);
+		}
+
+		[Test]
+		public void RemoveAtVariableIndex ()
+		{
+			var object_ref = new TypeReference ("System", "Object", null, null, false);
+			var method = new MethodDefinition ("foo", MethodAttributes.Static, object_ref);
+			var body = new MethodBody (method);
+
+			var x = new VariableDefinition ("x", object_ref);
+			var y = new VariableDefinition ("y", object_ref);
+			var z = new VariableDefinition ("z", object_ref);
+
+			body.Variables.Add (x);
+			body.Variables.Add (y);
+			body.Variables.Add (z);
+
+			Assert.AreEqual (0, x.Index);
+			Assert.AreEqual (1, y.Index);
+			Assert.AreEqual (2, z.Index);
+
+			body.Variables.RemoveAt (1);
+
+			Assert.AreEqual (0, x.Index);
+			Assert.AreEqual (-1, y.Index);
+			Assert.AreEqual (1, z.Index);
+		}
+
+		[Test]
+		public void RemoveVariableIndex ()
+		{
+			var object_ref = new TypeReference ("System", "Object", null, null, false);
+			var method = new MethodDefinition ("foo", MethodAttributes.Static, object_ref);
+			var body = new MethodBody (method);
+
+			var x = new VariableDefinition ("x", object_ref);
+			var y = new VariableDefinition ("y", object_ref);
+			var z = new VariableDefinition ("z", object_ref);
+
+			body.Variables.Add (x);
+			body.Variables.Add (y);
+			body.Variables.Add (z);
+
+			Assert.AreEqual (0, x.Index);
+			Assert.AreEqual (1, y.Index);
+			Assert.AreEqual (2, z.Index);
+
+			body.Variables.Remove (y);
+
+			Assert.AreEqual (0, x.Index);
+			Assert.AreEqual (-1, y.Index);
+			Assert.AreEqual (1, z.Index);
+		}
+
+		[Test]
+		public void InsertVariableIndex ()
+		{
+			var object_ref = new TypeReference ("System", "Object", null, null, false);
+			var method = new MethodDefinition ("foo", MethodAttributes.Static, object_ref);
+			var body = new MethodBody (method);
+
+			var x = new VariableDefinition ("x", object_ref);
+			var y = new VariableDefinition ("y", object_ref);
+			var z = new VariableDefinition ("z", object_ref);
+
+			body.Variables.Add (x);
+			body.Variables.Add (z);
+
+			Assert.AreEqual (0, x.Index);
+			Assert.AreEqual (-1, y.Index);
+			Assert.AreEqual (1, z.Index);
+
+			body.Variables.Insert (1, y);
+
+			Assert.AreEqual (0, x.Index);
+			Assert.AreEqual (1, y.Index);
+			Assert.AreEqual (2, z.Index);
+		}
+	}
+}