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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 import 'package:expect/expect.dart'; | 5 import 'package:expect/expect.dart'; |
| 6 import 'package:async_helper/async_helper.dart'; | 6 import 'package:async_helper/async_helper.dart'; |
| 7 import 'dart:async'; | 7 import 'dart:async'; |
| 8 | 8 |
| 9 main() { | 9 main() { |
| 10 Completer done = new Completer(); | 10 Completer done = new Completer(); |
| 11 List events = []; | 11 List events = []; |
| 12 | 12 |
| 13 // runGuarded calls run, captures the synchronous error (if any) and | 13 // runGuarded calls run, captures the synchronous error (if any) and |
| 14 // gives that one to handleUncaughtError. | 14 // gives that one to handleUncaughtError. |
| 15 | 15 |
| 16 Expect.identical(Zone.ROOT, Zone.current); | 16 Expect.identical(Zone.ROOT, Zone.current); |
| 17 Zone forked; | 17 Zone forked; |
| 18 forked = Zone.current.fork(specification: new ZoneSpecification( | 18 forked = Zone.current.fork( |
| 19 run: (Zone self, ZoneDelegate parent, Zone origin, f()) { | 19 specification: new ZoneSpecification( |
| 20 // The zone is still the same as when origin.run was invoked, which | 20 run: (Zone self, ZoneDelegate parent, Zone origin, f()) { |
| 21 // is the root zone. (The origin zone hasn't been set yet). | 21 // The zone is still the same as when origin.run was invoked, which |
| 22 Expect.identical(Zone.ROOT, Zone.current); | 22 // is the root zone. (The origin zone hasn't been set yet). |
| 23 events.add("forked.run"); | 23 Expect.identical(Zone.ROOT, Zone.current); |
| 24 return parent.run(origin, f); | 24 events.add("forked.run"); |
| 25 }, | 25 return parent.run(origin, f); |
| 26 handleUncaughtError: | 26 }, handleUncaughtError: |
| 27 (Zone self, ZoneDelegate parent, Zone origin, error, stackTrace) { | 27 (Zone self, ZoneDelegate parent, Zone origin, error, stackTrace) { |
| 28 Expect.identical(Zone.ROOT, Zone.current); | 28 Expect.identical(Zone.ROOT, Zone.current); |
| 29 Expect.identical(forked, origin); | 29 Expect.identical(forked, origin); |
| 30 events.add("forked.handleUncaught $error"); | 30 events.add("forked.handleUncaught $error"); |
| 31 return 499; | 31 return 499; |
| 32 })); | 32 })); |
| 33 | 33 |
| 34 var result = forked.runGuarded(() { | 34 var result = forked.runGuarded(() { |
| 35 events.add("runGuarded 1"); | 35 events.add("runGuarded 1"); |
| 36 Expect.identical(forked, Zone.current); | 36 Expect.identical(forked, Zone.current); |
| 37 return 42; | 37 return 42; |
| 38 }); | 38 }); |
| 39 Expect.identical(Zone.ROOT, Zone.current); | 39 Expect.identical(Zone.ROOT, Zone.current); |
| 40 Expect.equals(42, result); | 40 Expect.equals(42, result); |
| 41 events.add("after runGuarded 1"); | 41 events.add("after runGuarded 1"); |
| 42 | 42 |
| 43 result = forked.runGuarded(() { | 43 result = forked.runGuarded(() { |
| 44 events.add("runGuarded 2"); | 44 events.add("runGuarded 2"); |
| 45 Expect.identical(forked, Zone.current); | 45 Expect.identical(forked, Zone.current); |
| 46 throw 42; | 46 throw 42; |
| 47 }); | 47 }); |
| 48 Expect.equals(499, result); | 48 Expect.equals(499, result); |
| 49 | 49 |
| 50 Expect.listEquals( | 50 Expect.listEquals([ |
| 51 [ "forked.run", "runGuarded 1", "after runGuarded 1", | 51 "forked.run", |
| 52 "forked.run", "runGuarded 2", "forked.handleUncaught 42" ], | 52 "runGuarded 1", |
| 53 events); | 53 "after runGuarded 1", |
| 54 "forked.run", |
| 55 "runGuarded 2", |
| 56 "forked.handleUncaught 42" |
| 57 ], events); |
| 54 | 58 |
| 55 events.clear(); | 59 events.clear(); |
| 56 asyncStart(); | 60 asyncStart(); |
| 57 result = forked.runGuarded(() { | 61 result = forked.runGuarded(() { |
| 58 Expect.identical(forked, Zone.current); | 62 Expect.identical(forked, Zone.current); |
| 59 events.add("run closure"); | 63 events.add("run closure"); |
| 60 forked.scheduleMicrotask(() { | 64 forked.scheduleMicrotask(() { |
| 61 events.add("run closure 2"); | 65 events.add("run closure 2"); |
| 62 Expect.identical(forked, Zone.current); | 66 Expect.identical(forked, Zone.current); |
| 63 done.complete(true); | 67 done.complete(true); |
| 64 throw 88; | 68 throw 88; |
| 65 }); | 69 }); |
| 66 throw 1234; | 70 throw 1234; |
| 67 }); | 71 }); |
| 68 events.add("after nested scheduleMicrotask"); | 72 events.add("after nested scheduleMicrotask"); |
| 69 Expect.equals(499, result); | 73 Expect.equals(499, result); |
| 70 | 74 |
| 71 done.future.whenComplete(() { | 75 done.future.whenComplete(() { |
| 72 Expect.listEquals( | 76 Expect.listEquals([ |
| 73 ["forked.run", "run closure", "forked.handleUncaught 1234", | 77 "forked.run", |
| 74 "after nested scheduleMicrotask", "forked.run", "run closure 2", | 78 "run closure", |
| 75 "forked.handleUncaught 88" ], | 79 "forked.handleUncaught 1234", |
| 76 events); | 80 "after nested scheduleMicrotask", |
| 81 "forked.run", |
| 82 "run closure 2", |
| 83 "forked.handleUncaught 88" |
| 84 ], events); |
| 77 asyncEnd(); | 85 asyncEnd(); |
| 78 }); | 86 }); |
| 79 } | 87 } |
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