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// Copyright 2012 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 signal
import (
"flag"
"os"
"syscall"
"testing"
"time"
)
var runCtrlBreakTest = flag.Bool("run_ctlbrk_test", false, "force to run Ctrl+Break test")
func sendCtrlBreak(t *testing.T) {
d, e := syscall.LoadDLL("kernel32.dll")
if e != nil {
t.Fatalf("LoadDLL: %v\n", e)
}
p, e := d.FindProc("GenerateConsoleCtrlEvent")
if e != nil {
t.Fatalf("FindProc: %v\n", e)
}
r, _, e := p.Call(0, 0)
if r == 0 {
t.Fatalf("GenerateConsoleCtrlEvent: %v\n", e)
}
}
func TestCtrlBreak(t *testing.T) {
if !*runCtrlBreakTest {
t.Logf("test disabled; use -run_ctlbrk_test to enable")
return
}
go func() {
time.Sleep(1 * time.Second)
sendCtrlBreak(t)
}()
c := make(chan os.Signal, 10)
Notify(c)
select {
case s := <-c:
if s != os.Interrupt {
t.Fatalf("Wrong signal received: got %q, want %q\n", s, os.Interrupt)
}
case <-time.After(3 * time.Second):
t.Fatalf("Timeout waiting for Ctrl+Break\n")
}
}
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