48 lines
986 B
Go
48 lines
986 B
Go
// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package kcp
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import (
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"bytes"
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"testing"
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)
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func TestXORBytes(t *testing.T) {
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for alignP := 0; alignP < 2; alignP++ {
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for alignQ := 0; alignQ < 2; alignQ++ {
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for alignD := 0; alignD < 2; alignD++ {
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p := make([]byte, 1024)[alignP:]
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q := make([]byte, 1024)[alignQ:]
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d1 := make([]byte, 1024+alignD)[alignD:]
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d2 := make([]byte, 1024+alignD)[alignD:]
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xorBytes(d1, p, q)
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safeXORBytes(d2, p, q)
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if !bytes.Equal(d1, d2) {
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t.Error("not equal")
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}
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}
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}
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}
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}
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func BenchmarkZeroByXOR(b *testing.B) {
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d := make([]byte, 1024)
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b.ResetTimer()
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b.SetBytes(1024)
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for i := 0; i < b.N; i++ {
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xorBytes(d, d, d)
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}
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}
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func BenchmarkZeroByCopy(b *testing.B) {
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d := make([]byte, 1024)
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zero := make([]byte, 1024)
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b.ResetTimer()
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b.SetBytes(1024)
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for i := 0; i < b.N; i++ {
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copy(d, zero)
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}
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}
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