public void TestVariableItem()
{
Interpreter interp = new Interpreter();
VariableItem varItem = new VariableItem();
varItem.VariableValue = new IntItem(100);
// Simulate creation of finding a variable
var word = new PushStackItemWord("x", varItem);
word.Execute(interp);
Assert.AreEqual(1, interp.stack.Count);
dynamic item = interp.stack.Peek();
dynamic val = item.VariableValue;
Assert.AreEqual(100, val.IntValue);
// Change variable value and check that the original changed, too
item.VariableValue = new IntItem(21);
dynamic val2 = varItem.VariableValue;
Assert.AreEqual(21, val2.IntValue);
}
protected bool TryHandleALiteral(string text, out Word result)
{
bool found = false;
result = null;
if (text == "A")
{
result = new PushStackItemWord(text, new IntItem(1));
found = true;
}
return(found);
}