mirror of
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62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
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//
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// This software (Documize Community Edition) is licensed under
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// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
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//
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// You can operate outside the AGPL restrictions by purchasing
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// Documize Enterprise Edition and obtaining a commercial license
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// by contacting <sales@documize.com>.
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//
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// https://documize.com
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package util_test
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import (
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"runtime"
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"sync"
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"testing"
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"github.com/documize/community/core/api/util"
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)
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const sample = 1 << 24
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var m = make(map[string]struct{})
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var mx sync.Mutex
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func mm(t *testing.T, id string) {
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if len(id) != 16 {
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t.Errorf("len(id)=%d", len(id))
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}
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mx.Lock()
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_, found := m[id]
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if found {
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t.Error("Duplicate")
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} else {
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m[id] = struct{}{}
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}
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mx.Unlock()
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}
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// TestUniqueID checks that in a large number of calls to UniqueID() they are all different.
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func TestUniqueID(t *testing.T) {
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var wg sync.WaitGroup
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c := runtime.NumCPU()
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ss := sample / c
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wg.Add(c)
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for i := 0; i < c; i++ {
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go func() {
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for i := 0; i < ss; i++ {
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mm(t, util.UniqueID())
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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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}
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func BenchmarkUniqueID(b *testing.B) {
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for i := 0; i < b.N; i++ {
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util.UniqueID()
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}
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}
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