github.com/bytedance/sonic@v1.11.7-0.20240517092252-d2edb31b167b/internal/native/sse/fastint_test.go (about) 1 // +build amd64 2 3 4 // Code generated by Makefile, DO NOT EDIT. 5 6 // Code generated by Makefile, DO NOT EDIT. 7 8 /* 9 * Copyright 2021 ByteDance Inc. 10 * 11 * Licensed under the Apache License, Version 2.0 (the "License"); 12 * you may not use this file except in compliance with the License. 13 * You may obtain a copy of the License at 14 * 15 * http://www.apache.org/licenses/LICENSE-2.0 16 * 17 * Unless required by applicable law or agreed to in writing, software 18 * distributed under the License is distributed on an "AS IS" BASIS, 19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 20 * See the License for the specific language governing permissions and 21 * limitations under the License. 22 */ 23 24 package sse 25 26 import ( 27 `strconv` 28 `testing` 29 `fmt` 30 31 `github.com/stretchr/testify/assert` 32 ) 33 34 func TestFastInt_IntToString(t *testing.T) { 35 var buf [32]byte 36 assert.Equal(t, "0" , string(buf[:i64toa(&buf[0], 0)])) 37 assert.Equal(t, "1" , string(buf[:i64toa(&buf[0], 1)])) 38 assert.Equal(t, "12" , string(buf[:i64toa(&buf[0], 12)])) 39 assert.Equal(t, "123" , string(buf[:i64toa(&buf[0], 123)])) 40 assert.Equal(t, "1234" , string(buf[:i64toa(&buf[0], 1234)])) 41 assert.Equal(t, "12345" , string(buf[:i64toa(&buf[0], 12345)])) 42 assert.Equal(t, "123456" , string(buf[:i64toa(&buf[0], 123456)])) 43 assert.Equal(t, "1234567" , string(buf[:i64toa(&buf[0], 1234567)])) 44 assert.Equal(t, "12345678" , string(buf[:i64toa(&buf[0], 12345678)])) 45 assert.Equal(t, "123456789" , string(buf[:i64toa(&buf[0], 123456789)])) 46 assert.Equal(t, "1234567890" , string(buf[:i64toa(&buf[0], 1234567890)])) 47 assert.Equal(t, "12345678901" , string(buf[:i64toa(&buf[0], 12345678901)])) 48 assert.Equal(t, "123456789012" , string(buf[:i64toa(&buf[0], 123456789012)])) 49 assert.Equal(t, "1234567890123" , string(buf[:i64toa(&buf[0], 1234567890123)])) 50 assert.Equal(t, "12345678901234" , string(buf[:i64toa(&buf[0], 12345678901234)])) 51 assert.Equal(t, "123456789012345" , string(buf[:i64toa(&buf[0], 123456789012345)])) 52 assert.Equal(t, "1234567890123456" , string(buf[:i64toa(&buf[0], 1234567890123456)])) 53 assert.Equal(t, "12345678901234567" , string(buf[:i64toa(&buf[0], 12345678901234567)])) 54 assert.Equal(t, "123456789012345678" , string(buf[:i64toa(&buf[0], 123456789012345678)])) 55 assert.Equal(t, "1234567890123456789" , string(buf[:i64toa(&buf[0], 1234567890123456789)])) 56 assert.Equal(t, "9223372036854775807" , string(buf[:i64toa(&buf[0], 9223372036854775807)])) 57 assert.Equal(t, "-1" , string(buf[:i64toa(&buf[0], -1)])) 58 assert.Equal(t, "-12" , string(buf[:i64toa(&buf[0], -12)])) 59 assert.Equal(t, "-123" , string(buf[:i64toa(&buf[0], -123)])) 60 assert.Equal(t, "-1234" , string(buf[:i64toa(&buf[0], -1234)])) 61 assert.Equal(t, "-12345" , string(buf[:i64toa(&buf[0], -12345)])) 62 assert.Equal(t, "-123456" , string(buf[:i64toa(&buf[0], -123456)])) 63 assert.Equal(t, "-1234567" , string(buf[:i64toa(&buf[0], -1234567)])) 64 assert.Equal(t, "-12345678" , string(buf[:i64toa(&buf[0], -12345678)])) 65 assert.Equal(t, "-123456789" , string(buf[:i64toa(&buf[0], -123456789)])) 66 assert.Equal(t, "-1234567890" , string(buf[:i64toa(&buf[0], -1234567890)])) 67 assert.Equal(t, "-12345678901" , string(buf[:i64toa(&buf[0], -12345678901)])) 68 assert.Equal(t, "-123456789012" , string(buf[:i64toa(&buf[0], -123456789012)])) 69 assert.Equal(t, "-1234567890123" , string(buf[:i64toa(&buf[0], -1234567890123)])) 70 assert.Equal(t, "-12345678901234" , string(buf[:i64toa(&buf[0], -12345678901234)])) 71 assert.Equal(t, "-123456789012345" , string(buf[:i64toa(&buf[0], -123456789012345)])) 72 assert.Equal(t, "-1234567890123456" , string(buf[:i64toa(&buf[0], -1234567890123456)])) 73 assert.Equal(t, "-12345678901234567" , string(buf[:i64toa(&buf[0], -12345678901234567)])) 74 assert.Equal(t, "-123456789012345678" , string(buf[:i64toa(&buf[0], -123456789012345678)])) 75 assert.Equal(t, "-1234567890123456789" , string(buf[:i64toa(&buf[0], -1234567890123456789)])) 76 assert.Equal(t, "-9223372036854775808" , string(buf[:i64toa(&buf[0], -9223372036854775808)])) 77 } 78 79 func TestFastInt_UintToString(t *testing.T) { 80 var buf [32]byte 81 assert.Equal(t, "0" , string(buf[:u64toa(&buf[0], 0)])) 82 assert.Equal(t, "1" , string(buf[:u64toa(&buf[0], 1)])) 83 assert.Equal(t, "12" , string(buf[:u64toa(&buf[0], 12)])) 84 assert.Equal(t, "123" , string(buf[:u64toa(&buf[0], 123)])) 85 assert.Equal(t, "1234" , string(buf[:u64toa(&buf[0], 1234)])) 86 assert.Equal(t, "12345" , string(buf[:u64toa(&buf[0], 12345)])) 87 assert.Equal(t, "123456" , string(buf[:u64toa(&buf[0], 123456)])) 88 assert.Equal(t, "1234567" , string(buf[:u64toa(&buf[0], 1234567)])) 89 assert.Equal(t, "12345678" , string(buf[:u64toa(&buf[0], 12345678)])) 90 assert.Equal(t, "123456789" , string(buf[:u64toa(&buf[0], 123456789)])) 91 assert.Equal(t, "1234567890" , string(buf[:u64toa(&buf[0], 1234567890)])) 92 assert.Equal(t, "12345678901" , string(buf[:u64toa(&buf[0], 12345678901)])) 93 assert.Equal(t, "123456789012" , string(buf[:u64toa(&buf[0], 123456789012)])) 94 assert.Equal(t, "1234567890123" , string(buf[:u64toa(&buf[0], 1234567890123)])) 95 assert.Equal(t, "12345678901234" , string(buf[:u64toa(&buf[0], 12345678901234)])) 96 assert.Equal(t, "123456789012345" , string(buf[:u64toa(&buf[0], 123456789012345)])) 97 assert.Equal(t, "1234567890123456" , string(buf[:u64toa(&buf[0], 1234567890123456)])) 98 assert.Equal(t, "12345678901234567" , string(buf[:u64toa(&buf[0], 12345678901234567)])) 99 assert.Equal(t, "123456789012345678" , string(buf[:u64toa(&buf[0], 123456789012345678)])) 100 assert.Equal(t, "1234567890123456789" , string(buf[:u64toa(&buf[0], 1234567890123456789)])) 101 assert.Equal(t, "12345678901234567890" , string(buf[:u64toa(&buf[0], 12345678901234567890)])) 102 assert.Equal(t, "18446744073709551615" , string(buf[:u64toa(&buf[0], 18446744073709551615)])) 103 } 104 105 func BenchmarkFastInt_IntToString(b *testing.B) { 106 benchmarks := []struct { 107 name string 108 test func(*testing.B) 109 }{{ 110 name: "StdLib-Positive", 111 test: func(b *testing.B) { var buf [32]byte; for i := 0; i < b.N; i++ { strconv.AppendInt(buf[:0], int64(i), 10) }}, 112 }, { 113 name: "StdLib-Negative", 114 test: func(b *testing.B) { var buf [32]byte; for i := 0; i < b.N; i++ { strconv.AppendInt(buf[:0], -int64(i), 10) }}, 115 }, { 116 name: "FastInt-Positive", 117 test: func(b *testing.B) { var buf [32]byte; for i := 0; i < b.N; i++ { i64toa(&buf[0], int64(i)) }}, 118 }, { 119 name: "FastInt-Negative", 120 test: func(b *testing.B) { var buf [32]byte; for i := 0; i < b.N; i++ { i64toa(&buf[0], -int64(i)) }}, 121 }} 122 for _, bm := range benchmarks { 123 b.Run(bm.name, bm.test) 124 } 125 } 126 127 type utoaBench struct { 128 name string 129 num uint64 130 } 131 132 func BenchmarkFastInt_UintToString(b *testing.B) { 133 maxUint := "18446744073709551615" 134 benchs := make([]utoaBench, len(maxUint) + 1) 135 benchs[0].name = "Zero" 136 benchs[0].num = 0 137 for i := 1; i <= len(maxUint); i++ { 138 benchs[i].name = strconv.FormatInt(int64(i), 10) + "-Digs" 139 benchs[i].num, _ = strconv.ParseUint(string(maxUint[:i]), 10, 64) 140 } 141 142 for _, t := range(benchs) { 143 benchmarks := []struct { 144 name string 145 test func(*testing.B) 146 }{{ 147 name: "StdLib", 148 test: func(b *testing.B) { var buf [32]byte; for i := 0; i < b.N; i++ { strconv.AppendUint(buf[:0], t.num, 10) }}, 149 }, { 150 name: "FastInt", 151 test: func(b *testing.B) { var buf [32]byte; for i := 0; i < b.N; i++ { u64toa(&buf[0], t.num) }}, 152 }} 153 for _, bm := range benchmarks { 154 name := fmt.Sprintf("%s_%s", bm.name, t.name) 155 b.Run(name, bm.test) 156 } 157 } 158 }