Lasse R.H. Nielsen
d352bc28b8
Since the flag is now enabled by default, there should be no mention of it. There are still some uses in front_end/testcases that are not just removable (it also uses `no-non-nullable`). There migth be more uses that are not as easily found as grepping for `--enable-experiment Removes two VM tests where fixing them meant they were just duplicating the corresponding non *_2/ tests. Fixes #44941 TEST= Large number of tests chaged.=(no-)?non-nullable`. Change-Id: Ief755981ccde9a5482fcdf408c2929c74433a710 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/183688 Commit-Queue: Lasse R.H. Nielsen <lrn@google.com> Reviewed-by: Nate Bosch <nbosch@google.com>
34 lines
962 B
Dart
34 lines
962 B
Dart
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// This is a regression test for a bug in which `!` applied to a null-shorting
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// expression would corrupt the state of flow analysis, causing a crash when
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// trying to finish analyzing an enclosing `if` statement.
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import 'package:expect/expect.dart';
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class C {
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final int? x;
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C(this.x);
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}
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int? f(bool b, C? c) {
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if (b) {
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return c?.x!;
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} else {
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return null;
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}
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}
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main() {
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// Note: it is currently being discussed whether `!` should participate in
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// null shorting (see https://github.com/dart-lang/language/issues/1163), so
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// let's not have an expectation about whether `f(true, null)` should throw an
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// exception.
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// f(true, null);
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Expect.throws(() => f(true, C(null)));
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Expect.equals(f(true, C(1)), 1);
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}
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