github.com/xushiwei/go@v0.0.0-20130601165731-2b9d83f45bc9/test/fixedbugs/bug147.go (about)

     1  // run
     2  
     3  // Copyright 2009 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  import "time"
    10  
    11  func main() {
    12  	var count int
    13  	c := make(chan byte)
    14  	go func(c chan byte) {
    15  		<-c
    16  		count++
    17  		time.Sleep(1000000)
    18  		count++
    19  		<-c
    20  	}(c)
    21  	c <- 1
    22  	c <- 2
    23  	if count != 2 {
    24  		panic("synchronous send did not wait")
    25  	}
    26  }