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Side by Side Diff: tests/language/async_star_regression_fisk_test.dart

Issue 2985173002: Migrate language/async_backwards... ... language/async_star_take... (Closed)
Patch Set: Update tests to Dart 2.0. Created 3 years, 4 months ago
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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
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.
4
5 // This test may crash dart2js.
6
7 import "dart:async";
8 import "package:expect/expect.dart";
9 import "package:async_helper/async_helper.dart";
10
11 main() {
12 var res = [];
13 fisk() async* {
14 res.add("+fisk");
15 try {
16 for (int i = 0; i < 2; i++) {
17 yield await new Future.microtask(() => i);
18 }
19 } finally {
20 res.add("-fisk");
21 }
22 }
23
24 fugl(int count) async {
25 res.add("fisk $count");
26 try {
27 await for (int i in fisk().take(count)) res.add(i);
28 } finally {
29 res.add("done");
30 }
31 }
32
33 asyncStart();
34 fugl(3)
35 .whenComplete(() => fugl(2))
36 .whenComplete(() => fugl(1))
37 .whenComplete(() {
38 Expect.listEquals([
39 "fisk 3",
40 "+fisk",
41 0,
42 1,
43 "-fisk",
44 "done",
45 "fisk 2",
46 "+fisk",
47 0,
48 1,
49 "-fisk",
50 "done",
51 "fisk 1",
52 "+fisk",
53 0,
54 "-fisk",
55 "done"
56 ], res);
57 asyncEnd();
58 });
59 }
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