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 (object_ref);
var y = new VariableDefinition (object_ref);
var z = new VariableDefinition (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);
}