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// Copyright 2016-2018 The NATS Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build !race
package nuid
import (
"testing"
)
func TestBasicUniqueness(t *testing.T) {
n := 10000000
m := make(map[string]struct{}, n)
for i := 0; i < n; i++ {
n := Next()
if _, ok := m[n]; ok {
t.Fatalf("Duplicate NUID found: %v\n", n)
}
m[n] = struct{}{}
}
}
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