31 lines
647 B
Go
31 lines
647 B
Go
// Copyright 2014-2017 Ulrich Kunitz. 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 hash
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import "testing"
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func TestCyclicPolySimple(t *testing.T) {
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p := []byte("abcde")
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r := NewCyclicPoly(4)
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h2 := Hashes(r, p)
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for i, h := range h2 {
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w := Hashes(r, p[i:i+4])[0]
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t.Logf("%d h=%#016x w=%#016x", i, h, w)
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if h != w {
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t.Errorf("rolling hash %d: %#016x; want %#016x",
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i, h, w)
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}
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}
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}
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func BenchmarkCyclicPoly(b *testing.B) {
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p := makeBenchmarkBytes(4096)
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r := NewCyclicPoly(4)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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Hashes(r, p)
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}
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}
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