mirror of https://github.com/perkeep/perkeep.git
34 lines
955 B
Go
34 lines
955 B
Go
/*
|
|
Copyright 2013 Google Inc.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package test
|
|
|
|
import "time"
|
|
|
|
// WaitFor returns true if condition returns true before maxWait.
|
|
// It is checked immediately, and then every checkInterval.
|
|
func WaitFor(condition func() bool, maxWait, checkInterval time.Duration) bool {
|
|
t0 := time.Now()
|
|
tmax := t0.Add(maxWait)
|
|
for time.Now().Before(tmax) {
|
|
if condition() {
|
|
return true
|
|
}
|
|
time.Sleep(checkInterval)
|
|
}
|
|
return false
|
|
}
|