| // Copyright (c) 2021, 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. |
| |
| /// @assertion Continue statement: If N is a statement of the form continue [L]; |
| /// then: |
| /// |
| /// Let S be the statement targeted by the continue. If L is not present, this |
| /// is the innermost do, for, or while statement. Otherwise it is the do, for, |
| /// or while statement with a label matching L, or the switch statement |
| /// containing a switch case with a label matching L. |
| /// |
| /// Update continue(S) = join(continue(S), before(N)). |
| /// |
| /// Let after(N) = unreachable(before(N)). |
| /// |
| /// @description Checks reachability after continue statement. Test `switch` |
| /// statement |
| /// |
| /// @author sgrekhov@unipro.ru |
| |
| // Requirements=nnbd-weak |
| import "../../../../Utils/expect.dart"; |
| |
| main() { |
| late int i; |
| int j = 42; |
| switch (j) { |
| case 42: |
| continue test; |
| i = 42; // Variable is initialized in a dead code |
| test: |
| case 43: |
| } |
| try { |
| // 'i' is treated here by flow analysis as possibly assigned, so it is a |
| // runtime (not compile time) error to read it |
| i; |
| Expect.fail("Error expected"); |
| } on Error { |
| // Ok, expected |
| } |
| } |