gh-ost/vendor/github.com/ngaut/sync2/semaphore_test.go
2017-02-12 13:17:56 +02:00

42 lines
785 B
Go

// Copyright 2012, Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package sync2
import (
"testing"
"time"
)
func TestSemaNoTimeout(t *testing.T) {
s := NewSemaphore(1, 0)
s.Acquire()
released := false
go func() {
time.Sleep(10 * time.Millisecond)
released = true
s.Release()
}()
s.Acquire()
if !released {
t.Errorf("want true, got false")
}
}
func TestSemaTimeout(t *testing.T) {
s := NewSemaphore(1, 5*time.Millisecond)
s.Acquire()
go func() {
time.Sleep(10 * time.Millisecond)
s.Release()
}()
if ok := s.Acquire(); ok {
t.Errorf("want false, got true")
}
time.Sleep(10 * time.Millisecond)
if ok := s.Acquire(); !ok {
t.Errorf("want true, got false")
}
}