| /* |
| * Copyright (c) 2015, 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 If sE is an asynchronous for loop, let ak be the set of |
| * asynchronous for loops and yield-each statements enclosing sc that are |
| * enclosed in sE , 1 ≤ k ≤ m, where ak is enclosed in ak+1 . The stream |
| * subscriptions associated with aj are canceled, 1 ≤ j ≤ m, innermost first, |
| * so that aj is canceled before aj+1 . |
| * |
| * @description Check various mixes of synchronous and asynchronous for loops |
| * with single continue statement. |
| * |
| * @issue 25247 |
| * @issue 25234 |
| * @issue 42587 |
| * @author a.semenov@unipro.ru |
| */ |
| import 'dart:async'; |
| import '../../../Utils/expect.dart'; |
| import 'stream_utils.dart' as StreamUtils; |
| |
| Stream makeStream(Iterable iterable, int id, List log) { |
| return StreamUtils.makeStream(iterable, beforeCancel: () { log.add(id); }); |
| } |
| |
| Future test1() async { |
| List log = []; |
| |
| L: |
| await for (String s in makeStream(['a0', 'b0'], 0, log)) { |
| for (String s in ['a1','b1']) { |
| continue L; |
| log.add(s); |
| } |
| log.add(s); |
| } |
| Expect.listEquals([], log); |
| } |
| |
| Future test2() async { |
| List log = []; |
| int i = 0; |
| |
| L: |
| for (String s in ['a0','b0']) { |
| await for (String s in makeStream(['a1', 'b1'], i++, log)) { |
| continue L; |
| log.add(s); |
| } |
| log.add(s); |
| } |
| Expect.listEquals([0, 1], log); |
| } |
| |
| Future test3() async { |
| List log = []; |
| int i = 0; |
| |
| for (String s in ['a0','b0']) { |
| L: |
| await for (String s in makeStream(['a1', 'b1'], i++, log)) { |
| continue L; |
| log.add(s); |
| } |
| log.add(s); |
| } |
| Expect.listEquals(['a0', 'b0'], log); |
| } |
| |
| Future test4() async { |
| List log = []; |
| int i = 0; |
| |
| L: |
| await for (String s in makeStream(['a0', 'b0'], i++, log)) { |
| for (String s in ['a1', 'b1']) { |
| await for (String s in makeStream(['a2', 'b2'], i++, log)) { |
| for (String s in ['a3', 'b3']) { |
| await for (String s in makeStream(['a4', 'b4'], i++, log)) { |
| continue L; |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| Expect.listEquals([2, 1, 4, 3], log); |
| } |
| |
| Future test5() async { |
| List log = []; |
| int i = 0; |
| |
| L: |
| for (String s in ['a0', 'b0']) { |
| await for (String s in makeStream(['a1', 'b1'], i++, log)) { |
| for (String s in ['a2', 'b2']) { |
| await for (String s in makeStream(['a3', 'b3'], i++, log)) { |
| for (String s in ['a4', 'b4']) { |
| continue L; |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| Expect.listEquals([1, 0, 3, 2], log); |
| } |
| |
| Future test6() async { |
| List log = []; |
| int i = 0; |
| |
| for (String s in ['a0', 'b0']) { |
| L: |
| await for (String s in makeStream(['a1', 'b1'], i++, log)) { |
| for (String s in ['a2', 'b2']) { |
| await for (String s in makeStream(['a3', 'b3'], i++, log)) { |
| for (String s in ['a4', 'b4']) { |
| continue L; |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| Expect.listEquals([1, 2, 'a0', 4, 5, 'b0'], log); |
| } |
| |
| Future test7() async { |
| List log = []; |
| int i = 0; |
| |
| for (String s in ['a0', 'b0']) { |
| await for (String s in makeStream(['a1', 'b1'], i++, log)) { |
| L: |
| for (String s in ['a2', 'b2']) { |
| await for (String s in makeStream(['a3', 'b3'], i++, log)) { |
| for (String s in ['a4', 'b4']) { |
| continue L; |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| Expect.listEquals( |
| [1, 2, 'a1', 3, 4, 'b1', 'a0', 6, 7, 'a1', 8, 9, 'b1', 'b0'], |
| log); |
| } |
| |
| Future test8() async { |
| List log = []; |
| int i = 0; |
| |
| await for (String s in makeStream(['a0', 'b0'], i++, log)) { |
| for (String s in ['a1', 'b1']) { |
| L: |
| await for (String s in makeStream(['a2', 'b2'], i++, log)) { |
| for (String s in ['a3', 'b3']) { |
| await for (String s in makeStream(['a4', 'b4'], i++, log)) { |
| continue L; |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| log.add(s); |
| } |
| Expect.listEquals( |
| [2, 3, 'a1', 5, 6, 'b1', 'a0', 8, 9, 'a1', 11, 12, 'b1', 'b0'], |
| log); |
| } |
| |
| main() { |
| asyncStart(); |
| Future.wait([ |
| test1(), test2(), test3(), test4(), |
| test5(), test6(), test7(), test8() |
| ]).then((v) => asyncEnd()); |
| } |