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sdk/tests/language_2/final/variable_assignment_test.dart
T
Johnni Winther 9ea09ce17b [cfe] Improve message on final variable assignment
Closes #40242

Change-Id: Iccdfbf01da18ddd501dc705b678358c974003551
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/140654
Commit-Queue: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Jens Johansen <jensj@google.com>
2020-03-24 13:11:29 +00:00

26 lines
784 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.
// Test to make sure we catch assignments to final local variables.
main() {
final x = 30;
x = 0;
//^
// [analyzer] STATIC_WARNING.ASSIGNMENT_TO_FINAL_LOCAL
// [cfe] Can't assign to the final variable 'x'.
x += 1;
//^
// [analyzer] STATIC_WARNING.ASSIGNMENT_TO_FINAL_LOCAL
// [cfe] Can't assign to the final variable 'x'.
++x;
//^
// [analyzer] STATIC_WARNING.ASSIGNMENT_TO_FINAL_LOCAL
// [cfe] Can't assign to the final variable 'x'.
x++;
//^
// [analyzer] STATIC_WARNING.ASSIGNMENT_TO_FINAL_LOCAL
// [cfe] Can't assign to the final variable 'x'.
}