public void EvaluateDefinedMethod()
{
Context context = new Context();
IList<ICommand> commandlist = new List<ICommand>();
commandlist.Add(new SetVariableCommand("a", new ConstantExpression(1)));
commandlist.Add(new SetVariableCommand("b", new ConstantExpression(2)));
commandlist.Add(new ExpressionCommand(new VariableExpression("b")));
CompositeCommand commands = new CompositeCommand(commandlist);
DefinedMethod method = new DefinedMethod(null, commands);
context.SetValue("foo", method);
VariableExpression expr = new VariableExpression("foo");
Assert.AreEqual(2, expr.Evaluate(context));
}
public void ExecuteCallExpression()
{
Context context = new Context();
IList<ICommand> commandlist = new List<ICommand>();
commandlist.Add(new SetVariableCommand("a", new ConstantExpression(1)));
commandlist.Add(new SetVariableCommand("b", new ConstantExpression(2)));
commandlist.Add(new ExpressionCommand(new VariableExpression("b")));
CompositeCommand commands = new CompositeCommand(commandlist);
DefinedMethod method = new DefinedMethod(null, commands);
CallExpression callexpr = new CallExpression(new ConstantExpression(method), null);
object result = callexpr.Evaluate(context);
Assert.AreEqual(2, result);
}
public void ExecuteDefinedMethod()
{
Context context = new Context();
IList<ICommand> commandlist = new List<ICommand>();
commandlist.Add(new SetVariableCommand("a", new ConstantExpression(1)));
commandlist.Add(new SetVariableCommand("b", new ConstantExpression(2)));
commandlist.Add(new ExpressionCommand(new VariableExpression("b")));
CompositeCommand commands = new CompositeCommand(commandlist);
DefinedMethod method = new DefinedMethod(null, commands);
object result = method.Call(context, null);
Assert.IsNotNull(result);
Assert.AreEqual(2, result);
Assert.IsNull(context.GetValue("a"));
Assert.IsNull(context.GetValue("b"));
}