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