| // Copyright 2015 The Vanadium 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 clock |
| |
| import ( |
| "time" |
| ) |
| |
| // This interface provides a wrapper over system clock to allow easy testing |
| // of VClock and other code that uses timestamps. Tests can implement a mock |
| // SystemClock and set it on VClock using SetSystemClock() method. |
| type SystemClock interface { |
| // Now returns the current UTC time as known by the system. |
| // This may not reflect the real UTC time if the system clock is out of |
| // sync with UTC. |
| Now() time.Time |
| } |
