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|
package gcache
import (
"sync"
"time"
)
type Clock interface {
Now() time.Time
}
type RealClock struct{}
func NewRealClock() Clock {
return RealClock{}
}
func (rc RealClock) Now() time.Time {
t := time.Now()
return t
}
type FakeClock interface {
Clock
Advance(d time.Duration)
}
func NewFakeClock() FakeClock {
return &fakeclock{
// Taken from github.com/jonboulle/clockwork: use a fixture that does not fulfill Time.IsZero()
now: time.Date(1984, time.April, 4, 0, 0, 0, 0, time.UTC),
}
}
type fakeclock struct {
now time.Time
mutex sync.RWMutex
}
func (fc *fakeclock) Now() time.Time {
fc.mutex.RLock()
defer fc.mutex.RUnlock()
t := fc.now
return t
}
func (fc *fakeclock) Advance(d time.Duration) {
fc.mutex.Lock()
defer fc.mutex.Unlock()
fc.now = fc.now.Add(d)
}
|
