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go/test/chan/select7.go
Emmanuel Odeke 53fd522c0d all: make copyright headers consistent with one space after period
Follows suit with https://go-review.googlesource.com/#/c/20111.

Generated by running
$ grep -R 'Go Authors.  All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors.  All/Go Authors. All/g' $F;done

The code in cmd/internal/unvendor wasn't changed.

Fixes #15213

Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-05-02 13:43:18 +00:00

69 lines
932 B
Go

// run
// Copyright 2011 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.
// Test select when discarding a value.
package main
import "runtime"
func recv1(c <-chan int) {
<-c
}
func recv2(c <-chan int) {
select {
case <-c:
}
}
func recv3(c <-chan int) {
c2 := make(chan int)
select {
case <-c:
case <-c2:
}
}
func send1(recv func(<-chan int)) {
c := make(chan int)
go recv(c)
runtime.Gosched()
c <- 1
}
func send2(recv func(<-chan int)) {
c := make(chan int)
go recv(c)
runtime.Gosched()
select {
case c <- 1:
}
}
func send3(recv func(<-chan int)) {
c := make(chan int)
go recv(c)
runtime.Gosched()
c2 := make(chan int)
select {
case c <- 1:
case c2 <- 1:
}
}
func main() {
send1(recv1)
send2(recv1)
send3(recv1)
send1(recv2)
send2(recv2)
send3(recv2)
send1(recv3)
send2(recv3)
send3(recv3)
}