github.com/xushiwei/go@v0.0.0-20130601165731-2b9d83f45bc9/test/fixedbugs/bug234.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  func main() {
    10  	c := make(chan int, 1)
    11  	c <- 100
    12  	x, ok := <-c
    13  	if x != 100 || !ok {
    14  		println("x=", x, " ok=", ok, " want 100, true")
    15  		panic("fail")
    16  	}
    17  	close(c)
    18  	x, ok = <-c
    19  	if x != 0 || ok {
    20  		println("x=", x, " ok=", ok, " want 0, false")
    21  		panic("fail")
    22  	}
    23  }