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391c143483
Xid dependency updated. Moved to 20 length ID values. Added new revision number to version and meta information. Revision number is timestamp format.
60 lines
1.1 KiB
Go
60 lines
1.1 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 uniqueid
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import (
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"runtime"
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"sync"
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"testing"
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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) != 20 {
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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, Generate())
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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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Generate()
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}
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}
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