42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
/*
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* Copyright 2020 The Dragonfly Authors
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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 mathutils
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import (
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"fmt"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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func TestRandBackoff(t *testing.T) {
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initBackOff := 0.1
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maxBackOff := 3.0
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v1 := RandBackoff(initBackOff, maxBackOff, 2, 5)
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fmt.Printf("rand v1:%v\n", v1)
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assert.True(t, v1 <= time.Duration(maxBackOff*float64(time.Second)))
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assert.True(t, v1 >= time.Duration(initBackOff*float64(time.Second)))
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v2 := RandBackoff(initBackOff, maxBackOff, 2, 5)
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fmt.Printf("rand v2:%v\n", v2)
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assert.NotEqual(t, v1, v2)
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}
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