syncthing/lib/rand/random_test.go

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// Copyright (C) 2014 The Syncthing Authors.
//
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package rand
import "testing"
func TestRandomString(t *testing.T) {
for _, l := range []int{0, 1, 2, 3, 4, 8, 42} {
s := String(l)
if len(s) != l {
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t.Errorf("Incorrect length %d != %d", len(s), l)
}
}
strings := make([]string, 1000)
for i := range strings {
strings[i] = String(8)
for j := range strings {
if i == j {
continue
}
if strings[i] == strings[j] {
t.Errorf("Repeated random string %q", strings[i])
}
}
}
}
func TestRandomUint64(t *testing.T) {
ints := make([]uint64, 1000)
for i := range ints {
ints[i] = Uint64()
for j := range ints {
if i == j {
continue
}
if ints[i] == ints[j] {
t.Errorf("Repeated random int64 %d", ints[i])
}
}
}
}
func BenchmarkString(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
String(32)
}
}