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// run
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
func main() {
c := make(chan bool, 1)
ok := true
for i := 0; i < 12; i++ {
select {
case _, ok = <-c:
if i < 10 && !ok {
panic("BUG")
}
default:
}
if i < 10 && !ok {
panic("BUG")
}
if i >= 10 && ok {
close(c)
}
}
}