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tailscale/tstime/mono/mono_test.go

50 lines
964 B
Go

// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package mono
import (
"encoding/json"
"testing"
"time"
)
func TestNow(t *testing.T) {
start := Now()
time.Sleep(100 * time.Millisecond)
if elapsed := Since(start); elapsed < 100*time.Millisecond {
t.Errorf("short sleep: %v elapsed, want min %v", elapsed, 100*time.Millisecond)
}
}
func TestUnmarshalZero(t *testing.T) {
var tt time.Time
buf, err := json.Marshal(tt)
if err != nil {
t.Fatal(err)
}
var m Time
err = json.Unmarshal(buf, &m)
if err != nil {
t.Fatal(err)
}
if !m.IsZero() {
t.Errorf("expected unmarshal of zero time to be 0, got %d (~=%v)", m, m)
}
}
func BenchmarkMonoNow(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
Now()
}
}
func BenchmarkTimeNow(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
time.Now()
}
}