public void Equals()
{
UntilExpression cmd1 = new UntilExpression(new ConstantExpression(1), new AssignExpression("one", new ConstantExpression(1)));
UntilExpression cmd2 = new UntilExpression(new ConstantExpression(2), new AssignExpression("one", new ConstantExpression(1)));
UntilExpression cmd3 = new UntilExpression(new ConstantExpression(1), new AssignExpression("one", new ConstantExpression(2)));
UntilExpression cmd4 = new UntilExpression(new ConstantExpression(1), new AssignExpression("one", new ConstantExpression(1)));
Assert.IsTrue(cmd1.Equals(cmd4));
Assert.IsTrue(cmd4.Equals(cmd1));
Assert.AreEqual(cmd1.GetHashCode(), cmd4.GetHashCode());
Assert.IsFalse(cmd1.Equals(null));
Assert.IsFalse(cmd1.Equals(123));
Assert.IsFalse(cmd1.Equals(cmd2));
Assert.IsFalse(cmd1.Equals(cmd3));
}
public void ParseUntilCommandWithDo()
{
Parser cmdparser = new Parser("a = a + 1");
IExpression body = cmdparser.ParseCommand();
Parser exprparser = new Parser("a >= 6");
IExpression expr = exprparser.ParseExpression();
Parser parser = new Parser("until a>=6 do a=a+1; end");
IExpression expected = new UntilExpression(expr, body);
var result = parser.ParseCommand();
Assert.IsNotNull(result);
Assert.AreEqual(expected, result);
Assert.IsNull(parser.ParseCommand());
}
public void ExecuteSimpleUntilWhenConditionIsTrue()
{
Parser cmdparser = new Parser("a = a + 1");
IExpression body = cmdparser.ParseCommand();
Parser exprparser = new Parser("a >= 6");
IExpression expr = exprparser.ParseExpression();
Context context = new Context();
context.SetLocalValue("a", 1);
UntilExpression cmd = new UntilExpression(expr, body);
Assert.IsNull(cmd.Evaluate(context));
Assert.AreEqual(6, context.GetValue("a"));
}
protected virtual Expression VisitUntil(UntilExpression node)
{
Visit(node.Test);
Visit(node.Body);
return(node);
}
