nats-server/server/util_test.go

// Copyright 2014 Apcera Inc. All rights reserved.

package server

import (
	"strconv"
	"sync"
	"testing"
)

func TestParseSize(t *testing.T) {
	if parseSize(nil) != -1 {
		t.Fatal("Should error on nil byte slice")
	}
	n := []byte("12345678")
	if pn := parseSize(n); pn != 12345678 {
		t.Fatalf("Did not parse %q correctly, res=%d\n", n, pn)
	}
}

func TestParseSInt64(t *testing.T) {
	if parseInt64(nil) != -1 {
		t.Fatal("Should error on nil byte slice")
	}
	n := []byte("12345678")
	if pn := parseInt64(n); pn != 12345678 {
		t.Fatalf("Did not parse %q correctly, res=%d\n", n, pn)
	}
}

func BenchmarkParseInt(b *testing.B) {
	b.SetBytes(1)
	n := "12345678"
	for i := 0; i < b.N; i++ {
		strconv.ParseInt(n, 10, 0)
	}
}

func BenchmarkParseSize(b *testing.B) {
	b.SetBytes(1)
	n := []byte("12345678")
	for i := 0; i < b.N; i++ {
		parseSize(n)
	}
}

func deferUnlock(mu *sync.Mutex) {
	mu.Lock()
	defer mu.Unlock()
}

func BenchmarkDeferMutex(b *testing.B) {
	var mu sync.Mutex
	b.SetBytes(1)
	for i := 0; i < b.N; i++ {
		deferUnlock(&mu)
	}
}

func noDeferUnlock(mu *sync.Mutex) {
	mu.Lock()
	mu.Unlock()
}

func BenchmarkNoDeferMutex(b *testing.B) {
	var mu sync.Mutex
	b.SetBytes(1)
	for i := 0; i < b.N; i++ {
		noDeferUnlock(&mu)
	}
}