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1 // Copyright (c) 2012, 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 // A break label must be declared where it's used. | |
6 undeclaredBreakLabel1() { | |
7 foo: { break bar; break foo; } /// 01: compile-time error | |
8 } | |
9 | |
10 undeclaredBreakLabel2() { | |
11 foo: while (true) { break bar; break foo; } /// 02: compile-time error | |
12 } | |
13 | |
14 // An unlabeled break must be inside a loop or switch. | |
15 noBreakTarget() { | |
16 foo: if (true) { break; break foo; } /// 03: compile-time error | |
17 } | |
18 | |
19 // A continue label must be declared where it's used. | |
20 undeclaredContinueLabel() { | |
21 foo: for (;;) { continue bar; break foo; } /// 04: compile-time error | |
22 } | |
23 | |
24 // An unlabeled continue must be inside a loop. | |
25 noContinueTarget() { | |
26 foo: if (true) continue; else break foo; /// 05: compile-time error | |
27 } | |
28 | |
29 // A continue label must point to a continue-able statement. | |
30 wrongContinueLabel() { | |
31 foo: if (true) continue foo; /// 06: compile-time error | |
32 } | |
33 | |
34 // Labels are not captured by closures. | |
35 noncaptureLabel() { | |
36 foo: { /// 07: compile-time error | |
37 (() { break foo; })(); /// 07: continued | |
38 break foo; /// 07: continued | |
39 } /// 07: continued | |
40 } | |
41 | |
42 // Implicit break targets are not captured by closures. | |
43 noncaptureBreak() { | |
44 while(true) (() { break; })(); /// 08: compile-time error | |
45 } | |
46 | |
47 // Implicit continue targets are not captured by closures. | |
48 noncaptureContinue() { | |
49 while(true) (() { continue; })(); /// 09: compile-time error | |
50 } | |
51 | |
52 main() { | |
53 undeclaredBreakLabel1(); | |
54 undeclaredBreakLabel2(); | |
55 noBreakTarget(); | |
56 undeclaredContinueLabel(); | |
57 noContinueTarget(); | |
58 wrongContinueLabel(); | |
59 noncaptureLabel(); | |
60 noncaptureBreak(); | |
61 noncaptureContinue(); | |
62 } | |
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