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testy: don't give Clock.Step==0 magical behavior.

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Turns out it's sometimes useful to stop time entirely.

Signed-off-by: David Anderson <dave@natulte.net>
This commit is contained in:
David Anderson 2020-03-27 00:38:11 -07:00
parent 8b3f6be008
commit 1fdadf06f1
1 changed files with 1 additions and 6 deletions
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7
testy/clock.go
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@ -10,13 +10,11 @@ import "time"
// called, beginning at Start. // called, beginning at Start.
// //
// The zero value starts virtual time at an arbitrary value recorded // The zero value starts virtual time at an arbitrary value recorded
// in Start on the first call to Now, and increments by one second // in Start on the first call to Now, and time never advances.
// between calls to Now.
type Clock struct { type Clock struct {
// Start is the first value returned by Now. // Start is the first value returned by Now.
Start time.Time Start time.Time
// Step is how much to advance with each Now call. // Step is how much to advance with each Now call.
// Zero means 1 second.
Step time.Duration Step time.Duration
// Present is the time that the next Now call will receive. // Present is the time that the next Now call will receive.
Present time.Time Present time.Time
@ -30,9 +28,6 @@ func (c *Clock) Now() time.Time {
c.Present = c.Start c.Present = c.Start
} }
step := c.Step step := c.Step
if step == 0 {
step = time.Second
}
ret := c.Present ret := c.Present
c.Present = c.Present.Add(step) c.Present = c.Present.Add(step)
return ret return ret