dart-sdk/tests/corelib_2/list_first_test.dart
Leaf Petersen b101a7d002 Add language versions to _2 test libraries
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Leaf Petersen <leafp@google.com>
2021-04-26 17:58:57 +00:00

23 lines
511 B
Dart

// Copyright (c) 2012, 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.
// @dart = 2.9
import "package:expect/expect.dart";
void test(List list) {
if (list.isEmpty) {
Expect.throwsStateError(() => list.first);
} else {
Expect.equals(list[0], list.first);
}
}
main() {
test([1, 2, 3]);
test(const ["foo", "bar"]);
test([]);
test(const []);
}