etcd-io__etcd/pkg/monotime/nanotime_test.go

// Copyright (C) 2016  Arista Networks, Inc.
// Use of this source code is governed by the Apache License 2.0

// Package monotime provides a fast monotonic clock source.

package monotime

import (
	"testing"
)

func TestNow(t *testing.T) {
	for i := 0; i < 100; i++ {
		t1 := Now()
		t2 := Now()
		// I honestly thought that we needed >= here, but in some environments
		// two consecutive calls can return the same value!
		if t1 > t2 {
			t.Fatalf("t1=%d should have been less than or equal to t2=%d", t1, t2)
		}
	}
}