| Shenghou Ma | 2296928 | 2014-07-18 20:59:55 -0400 | [diff] [blame] | 1 | // run |
| 2 | |||||
| 3 | // Copyright 2014 The Go Authors. All rights reserved. | ||||
| 4 | // Use of this source code is governed by a BSD-style | ||||
| 5 | // license that can be found in the LICENSE file. | ||||
| 6 | |||||
| 7 | package main | ||||
| 8 | |||||
| 9 | func main() { | ||||
| 10 | c := make(chan bool, 1) | ||||
| 11 | ok := true | ||||
| 12 | for i := 0; i < 12; i++ { | ||||
| 13 | select { | ||||
| 14 | case _, ok = <-c: | ||||
| 15 | if i < 10 && !ok { | ||||
| 16 | panic("BUG") | ||||
| 17 | } | ||||
| 18 | default: | ||||
| 19 | } | ||||
| 20 | if i < 10 && !ok { | ||||
| 21 | panic("BUG") | ||||
| 22 | } | ||||
| 23 | if i >= 10 && ok { | ||||
| 24 | close(c) | ||||
| 25 | } | ||||
| 26 | } | ||||
| 27 | } | ||||