80 lines
2.7 KiB
Go
80 lines
2.7 KiB
Go
// Copyright 2009 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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// Golang project:
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// https://github.com/golang/go/blob/master/LICENSE
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// Using this part of Minio codebase under the license
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// Apache License Version 2.0 with modifications
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package crc32c
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import (
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"testing"
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)
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type test struct {
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castagnoli uint32
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in string
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}
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var golden = []test{
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{0x0, ""},
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{0x93ad1061, "a"},
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{0x13c35ee4, "ab"},
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{0x562f9ccd, "abc"},
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{0xdaaf41f6, "abcd"},
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{0x8122a0a2, "abcde"},
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{0x496937b, "abcdef"},
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{0x5d199e2c, "abcdefg"},
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{0x86bc933d, "abcdefgh"},
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{0x9639f15f, "abcdefghi"},
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{0x584645c, "abcdefghij"},
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{0x8c13a060, "Discard medicine more than two years old."},
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{0x629077d4, "He who has a shady past knows that nice guys finish last."},
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{0xd20036a4, "I wouldn't marry him with a ten foot pole."},
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{0xf283b768, "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave"},
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{0x9cd61a9f, "The days of the digital watch are numbered. -Tom Stoppard"},
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{0x637702f5, "Nepal premier won't resign."},
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{0x6c595588, "For every action there is an equal and opposite government program."},
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{0x19532076, "His money is twice tainted: 'taint yours and 'taint mine."},
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{0x9b82c857, "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977"},
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{0x2b485952, "It's a tiny change to the code and not completely disgusting. - Bob Manchek"},
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{0xd3d0980c, "size: a.out: bad magic"},
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{0x12aad0bb, "The major problem is with sendmail. -Mark Horton"},
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{0x83a0339b, "Give me a rock, paper and scissors and I will move the world. CCFestoon"},
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{0x1eb28fde, "If the enemy is within range, then so are you."},
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{0xce34d559, "It's well we cannot hear the screams/That we create in others' dreams."},
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{0x71576691, "You remind me of a TV show, but that's all right: I watch it anyway."},
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{0x54bf536f, "C is as portable as Stonehedge!!"},
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{0x2313a94d, "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley"},
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{0x9d4e3629, "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule"},
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{0xc9991fb9, "How can you write a big system without C++? -Paul Glick"},
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}
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func TestGolden(t *testing.T) {
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for _, g := range golden {
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s := Sum32([]byte(g.in))
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if s != g.castagnoli {
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t.Errorf("Castagnoli(%s) = 0x%x want 0x%x", g.in, s, g.castagnoli)
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}
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}
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}
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func BenchmarkCrc32KB(b *testing.B) {
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b.SetBytes(1024)
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data := make([]byte, 1024)
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for i := range data {
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data[i] = byte(i)
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}
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h := New()
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in := make([]byte, 0, h.Size())
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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h.Reset()
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h.Write(data)
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h.Sum(in)
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}
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}
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