Why don't my asserts work?

[Danny Tuppeny]

I have this code:

main() {
  assert(1 == 0);
  assert(1 == 1);
  print("test");
}

I'm running with --checked, yet it doesn't crash it just outputs "test". It seems broken to me, but it seems like the sort of thing somebody would've noticed before (I can't find anything in the issue tracker).

It's Windows, SDK 1.22.0. Am I doing something silly, or should I raise a bug?

[Vyacheslav Egorov]

VM options should go before the dart file name otherwise they become program options passed.

Try 

dart --checked bin/main.dart

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// Vyacheslav Egorov

[Danny Tuppeny]

Doh! I knew it'd be something silly. Thanks!

[Bob Nystrom]

On Fri, Feb 17, 2017 at 2:39 AM, Danny Tuppeny <da...@tuppeny.com> wrote:

Doh! I knew it'd be something silly. Thanks!

If it makes you feel better, I make this mistake at least once every couple of months.

– bob

[Jan Mostert]

I've done it as well, haha
Maybe a warning saying your input params are out of place would nudge the user in the right direction

[Günter Zöchbauer]

On Friday, February 17, 2017 at 7:40:25 PM UTC+1, Jan Vladimir Mostert wrote:

I've done it as well, haha
Maybe a warning saying your input params are out of place would nudge the user in the right direction

That would make it invalid to use parameters like --checked (and all others `dart` supports) for you Dart application

[Danny Tuppeny]

On Sat, 18 Feb 2017 at 12:49 Günter Zöchbauer <gzo...@gmail.com> wrote:

Maybe a warning saying your input params are out of place would nudge the user in the right direction

That would make it invalid to use parameters like --checked (and all others `dart` supports) for you Dart application

I was gonna reply with the same, though he did say warn, so possibly you could get away with it. Though I agree it's not a good idea - especially if you might add new switches and start writing new output to stdout/stderr when things consuming them might not expect it (Dart already does this when you run Observatory to pass the port back; it's a bit weird IMO!).

[Stephen Adams]

​dart2js is a Dart application that needs to allow --checked​ after the entry point file name :-)

We would not want using dart2js to generate bogus hints, warnings or whatever.