2babd6404e
``` name old time/op new time/op delta HashString/n28-10 133ns ± 9% 107ns ±10% -19.58% (p=0.029 n=4+4) HashString/n112-10 243ns ± 5% 121ns ± 4% -50.08% (p=0.029 n=4+4) HashString/n448-10 698ns ± 3% 174ns ± 5% -75.02% (p=0.029 n=4+4) HashString/n1792-10 2.58µs ± 4% 0.38µs ± 4% -85.11% (p=0.029 n=4+4) HashString/n7168-10 10.0µs ± 3% 1.3µs ± 4% -86.91% (p=0.029 n=4+4) name old alloc/op new alloc/op delta HashString/n28-10 80.0B ± 0% 72.0B ± 0% -10.00% (p=0.029 n=4+4) HashString/n112-10 160B ± 0% 152B ± 0% -5.00% (p=0.029 n=4+4) HashString/n448-10 496B ± 0% 488B ± 0% -1.61% (p=0.029 n=4+4) HashString/n1792-10 1.84kB ± 0% 1.83kB ± 0% -0.43% (p=0.029 n=4+4) HashString/n7168-10 8.24kB ± 0% 8.23kB ± 0% -0.06% (p=0.029 n=4+4) name old allocs/op new allocs/op delta HashString/n28-10 4.00 ± 0% 3.00 ± 0% -25.00% (p=0.029 n=4+4) HashString/n112-10 4.00 ± 0% 3.00 ± 0% -25.00% (p=0.029 n=4+4) HashString/n448-10 4.00 ± 0% 3.00 ± 0% -25.00% (p=0.029 n=4+4) HashString/n1792-10 4.00 ± 0% 3.00 ± 0% -25.00% (p=0.029 n=4+4) HashString/n7168-10 4.00 ± 0% 3.00 ± 0% -25.00% (p=0.029 n=4+4) ```
68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
// Copyright 2024 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package identity
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import (
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"fmt"
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"math"
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"strings"
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"testing"
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qt "github.com/frankban/quicktest"
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)
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func TestHashString(t *testing.T) {
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c := qt.New(t)
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c.Assert(HashString("a", "b"), qt.Equals, "3176555414984061461")
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c.Assert(HashString("ab"), qt.Equals, "7347350983217793633")
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var vals []any = []any{"a", "b", tstKeyer{"c"}}
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c.Assert(HashString(vals...), qt.Equals, "4438730547989914315")
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c.Assert(vals[2], qt.Equals, tstKeyer{"c"})
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}
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type tstKeyer struct {
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key string
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}
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func (t tstKeyer) Key() string {
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return t.key
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}
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func (t tstKeyer) String() string {
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return "key: " + t.key
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}
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func BenchmarkHashString(b *testing.B) {
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word := " hello "
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var tests []string
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for i := 1; i <= 5; i++ {
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sentence := strings.Repeat(word, int(math.Pow(4, float64(i))))
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tests = append(tests, sentence)
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}
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b.ResetTimer()
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for _, test := range tests {
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b.Run(fmt.Sprintf("n%d", len(test)), func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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HashString(test)
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}
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})
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}
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}
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