mirror of https://github.com/tidwall/tile38.git
33 lines
876 B
Go
33 lines
876 B
Go
// Copyright 2016-2018 The NATS 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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//
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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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// +build !race
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package nuid
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import (
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"testing"
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)
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func TestBasicUniqueness(t *testing.T) {
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n := 10000000
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m := make(map[string]struct{}, n)
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for i := 0; i < n; i++ {
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n := Next()
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if _, ok := m[n]; ok {
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t.Fatalf("Duplicate NUID found: %v\n", n)
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}
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m[n] = struct{}{}
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}
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}
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