// Ensure that the clock's time matches the standary library.
func TestClock_Now(t *testing.T) {
a := time.Now().Round(time.Second)
b := clock.New().Now().Round(time.Second)
if !a.Equal(b) {
t.Errorf("not equal: %s != %s", a, b)
}
}
// Ensure that the clock's timer can be stopped.
func TestClock_Timer_Stop(t *testing.T) {
var ok bool
go func() {
time.Sleep(10 * time.Millisecond)
ok = true
}()
timer := clock.New().Timer(20 * time.Millisecond)
timer.Stop()
select {
case <-timer.C:
t.Fatal("unexpected send")
case <-time.After(30 * time.Millisecond):
}
}
// Ensure that the clock sleeps for the appropriate amount of time.
func TestClock_Sleep(t *testing.T) {
var ok bool
go func() {
time.Sleep(10 * time.Millisecond)
ok = true
}()
go func() {
time.Sleep(30 * time.Millisecond)
t.Fatal("too late")
}()
gosched()
clock.New().Sleep(20 * time.Millisecond)
if !ok {
t.Fatal("too early")
}
}
// Ensure that the clock ticks correctly.
func TestClock_Tick(t *testing.T) {
var ok bool
go func() {
time.Sleep(10 * time.Millisecond)
ok = true
}()
go func() {
time.Sleep(50 * time.Millisecond)
t.Fatal("too late")
}()
gosched()
c := clock.New().Tick(20 * time.Millisecond)
<-c
<-c
if !ok {
t.Fatal("too early")
}
}
// Ensure that the clock's ticker ticks correctly.
func TestClock_Ticker(t *testing.T) {
var ok bool
go func() {
time.Sleep(100 * time.Millisecond)
ok = true
}()
go func() {
time.Sleep(200 * time.Millisecond)
t.Fatal("too late")
}()
gosched()
ticker := clock.New().Ticker(50 * time.Millisecond)
<-ticker.C
<-ticker.C
if !ok {
t.Fatal("too early")
}
}
// Ensure that the clock's AfterFunc executes at the correct time.
func TestClock_AfterFunc(t *testing.T) {
var ok bool
go func() {
time.Sleep(10 * time.Millisecond)
ok = true
}()
go func() {
time.Sleep(30 * time.Millisecond)
t.Fatal("too late")
}()
gosched()
var wg sync.WaitGroup
wg.Add(1)
clock.New().AfterFunc(20*time.Millisecond, func() {
wg.Done()
})
wg.Wait()
if !ok {
t.Fatal("too early")
}
}