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78 lines
1.6 KiB
78 lines
1.6 KiB
// Copyright 2020 PingCAP, Inc.
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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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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build !race
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// +build !race
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package localpool
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import (
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"math/rand"
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"runtime"
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"sync"
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"testing"
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. "github.com/pingcap/check"
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)
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type Obj struct {
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val int64
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}
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func TestT(t *testing.T) {
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TestingT(t)
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}
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var _ = Suite(&testPoolSuite{})
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type testPoolSuite struct {
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}
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func (s *testPoolSuite) TestPool(c *C) {
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numWorkers := runtime.GOMAXPROCS(0)
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wg := new(sync.WaitGroup)
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wg.Add(numWorkers)
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pool := NewLocalPool(16, func() interface{} {
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return new(Obj)
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}, nil)
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n := 1000
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for i := 0; i < numWorkers; i++ {
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go func() {
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for j := 0; j < n; j++ {
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GetAndPut(pool)
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}
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wg.Done()
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}()
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}
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wg.Wait()
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var getHit, getMiss, putHit, putMiss int
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for _, slot := range pool.slots {
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getHit += slot.getHit
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getMiss += slot.getMiss
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putHit += slot.putHit
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putMiss += slot.putMiss
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}
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c.Assert(getHit, Greater, getMiss)
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c.Assert(putHit, Greater, putMiss)
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}
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func GetAndPut(pool *LocalPool) {
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objs := make([]interface{}, rand.Intn(4)+1)
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for i := 0; i < len(objs); i++ {
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objs[i] = pool.Get()
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}
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runtime.Gosched()
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for _, obj := range objs {
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pool.Put(obj)
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}
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}
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