/usr/share/gocode/src/gopkg.in/eapache/go-resiliency.v1/semaphore/semaphore_test.go is in golang-gopkg-eapache-go-resiliency.v1-dev 0.0~git20150213.0.6800482-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | package semaphore
import (
"testing"
"time"
)
func TestSemaphoreAcquireRelease(t *testing.T) {
sem := New(3, 1*time.Second)
for i := 0; i < 10; i++ {
if err := sem.Acquire(); err != nil {
t.Error(err)
}
if err := sem.Acquire(); err != nil {
t.Error(err)
}
if err := sem.Acquire(); err != nil {
t.Error(err)
}
sem.Release()
sem.Release()
sem.Release()
}
}
func TestSemaphoreBlockTimeout(t *testing.T) {
sem := New(1, 200*time.Millisecond)
if err := sem.Acquire(); err != nil {
t.Error(err)
}
start := time.Now()
if err := sem.Acquire(); err != ErrNoTickets {
t.Error(err)
}
if start.Add(200 * time.Millisecond).After(time.Now()) {
t.Error("semaphore did not wait long enough")
}
sem.Release()
if err := sem.Acquire(); err != nil {
t.Error(err)
}
}
func ExampleSemaphore() {
sem := New(3, 1*time.Second)
for i := 0; i < 10; i++ {
go func() {
if err := sem.Acquire(); err != nil {
return //could not acquire semaphore
}
defer sem.Release()
// do something semaphore-guarded
}()
}
}
|