dart-sdk/tests/web/js_array_removeLast_error_test.dart
Sigmund Cherem 912005267d [web] rename suite dart2js -> web.
Change-Id: I46be49b2effec3e38a3dc44cd45cfe736f77fa78
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/182680
Commit-Queue: Sigmund Cherem <sigmund@google.com>
Reviewed-by: Joshua Litt <joshualitt@google.com>
Reviewed-by: Nicholas Shahan <nshahan@google.com>
Reviewed-by: Stephen Adams <sra@google.com>
2021-02-04 23:11:32 +00:00

39 lines
895 B
Dart

// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// Test that optimized JSArray removeLast() calls generate the same error as
// dynamically dispatched calls.
import 'package:expect/expect.dart';
@pragma('dart2js:noInline')
@pragma('dart2js:assumeDynamic')
confuse(x) => x;
Error? getError(action()) {
try {
action();
Expect.fail('must throw');
} on Error catch (e) {
return e;
}
}
main() {
fault1() {
return confuse([]).removeLast();
}
fault2() {
var a = [];
while (confuse(false)) a.add(1);
// This one should be optimized since [a] is a growable JSArray.
return a.removeLast();
}
var e1 = getError(fault1);
var e2 = getError(fault2);
Expect.equals('$e1', '$e2');
}