public void CompileAndRun()
{
Machine machine = new Machine();
IClass cls = machine.CreateClass("TestClass");
cls.DefineInstanceVariable("x");
Method mth;
mth = new Method(cls, "x:");
mth.CompileArgument("newX");
mth.CompileGet("newX");
mth.CompileSet("x");
cls.DefineInstanceMethod(mth);
IObject obj = (IObject)cls.NewObject();
mth.Execute(machine, obj, new object[] { 10 });
Assert.AreEqual(10, obj[0]);
}