Files
sdk/tests/language/list/length_tracer_test.dart
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Robert Nystrom 9370281400 Migrate language_2/list to NNBD.
Change-Id: Ia12f714f41ad9bd9e6c0ddf051a8e05ab2d6282b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149392
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Erik Ernst <eernst@google.com>
2020-06-03 00:14:48 +00:00

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464 B
Dart

// Copyright (c) 2013, 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 dart2js' optimization on list length does not fold a
// length getter to a constant if the receiver can be null.
import "package:expect/expect.dart";
var a = 42;
var b;
main() {
Expect.throws(() => b.length);
b = const [42];
}