github.com/goshafaq/sonic@v0.0.0-20231026082336-871835fb94c6/internal/native/fastint_amd64_test.tmpl (about) 1 // Code generated by Makefile, DO NOT EDIT. 2 3 /* 4 * Copyright 2021 ByteDance Inc. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 package {{PACKAGE}} 20 21 import ( 22 `strconv` 23 `testing` 24 `fmt` 25 26 `github.com/stretchr/testify/assert` 27 ) 28 29 func TestFastInt_IntToString(t *testing.T) { 30 var buf [32]byte 31 assert.Equal(t, "0" , string(buf[:i64toa(&buf[0], 0)])) 32 assert.Equal(t, "1" , string(buf[:i64toa(&buf[0], 1)])) 33 assert.Equal(t, "12" , string(buf[:i64toa(&buf[0], 12)])) 34 assert.Equal(t, "123" , string(buf[:i64toa(&buf[0], 123)])) 35 assert.Equal(t, "1234" , string(buf[:i64toa(&buf[0], 1234)])) 36 assert.Equal(t, "12345" , string(buf[:i64toa(&buf[0], 12345)])) 37 assert.Equal(t, "123456" , string(buf[:i64toa(&buf[0], 123456)])) 38 assert.Equal(t, "1234567" , string(buf[:i64toa(&buf[0], 1234567)])) 39 assert.Equal(t, "12345678" , string(buf[:i64toa(&buf[0], 12345678)])) 40 assert.Equal(t, "123456789" , string(buf[:i64toa(&buf[0], 123456789)])) 41 assert.Equal(t, "1234567890" , string(buf[:i64toa(&buf[0], 1234567890)])) 42 assert.Equal(t, "12345678901" , string(buf[:i64toa(&buf[0], 12345678901)])) 43 assert.Equal(t, "123456789012" , string(buf[:i64toa(&buf[0], 123456789012)])) 44 assert.Equal(t, "1234567890123" , string(buf[:i64toa(&buf[0], 1234567890123)])) 45 assert.Equal(t, "12345678901234" , string(buf[:i64toa(&buf[0], 12345678901234)])) 46 assert.Equal(t, "123456789012345" , string(buf[:i64toa(&buf[0], 123456789012345)])) 47 assert.Equal(t, "1234567890123456" , string(buf[:i64toa(&buf[0], 1234567890123456)])) 48 assert.Equal(t, "12345678901234567" , string(buf[:i64toa(&buf[0], 12345678901234567)])) 49 assert.Equal(t, "123456789012345678" , string(buf[:i64toa(&buf[0], 123456789012345678)])) 50 assert.Equal(t, "1234567890123456789" , string(buf[:i64toa(&buf[0], 1234567890123456789)])) 51 assert.Equal(t, "9223372036854775807" , string(buf[:i64toa(&buf[0], 9223372036854775807)])) 52 assert.Equal(t, "-1" , string(buf[:i64toa(&buf[0], -1)])) 53 assert.Equal(t, "-12" , string(buf[:i64toa(&buf[0], -12)])) 54 assert.Equal(t, "-123" , string(buf[:i64toa(&buf[0], -123)])) 55 assert.Equal(t, "-1234" , string(buf[:i64toa(&buf[0], -1234)])) 56 assert.Equal(t, "-12345" , string(buf[:i64toa(&buf[0], -12345)])) 57 assert.Equal(t, "-123456" , string(buf[:i64toa(&buf[0], -123456)])) 58 assert.Equal(t, "-1234567" , string(buf[:i64toa(&buf[0], -1234567)])) 59 assert.Equal(t, "-12345678" , string(buf[:i64toa(&buf[0], -12345678)])) 60 assert.Equal(t, "-123456789" , string(buf[:i64toa(&buf[0], -123456789)])) 61 assert.Equal(t, "-1234567890" , string(buf[:i64toa(&buf[0], -1234567890)])) 62 assert.Equal(t, "-12345678901" , string(buf[:i64toa(&buf[0], -12345678901)])) 63 assert.Equal(t, "-123456789012" , string(buf[:i64toa(&buf[0], -123456789012)])) 64 assert.Equal(t, "-1234567890123" , string(buf[:i64toa(&buf[0], -1234567890123)])) 65 assert.Equal(t, "-12345678901234" , string(buf[:i64toa(&buf[0], -12345678901234)])) 66 assert.Equal(t, "-123456789012345" , string(buf[:i64toa(&buf[0], -123456789012345)])) 67 assert.Equal(t, "-1234567890123456" , string(buf[:i64toa(&buf[0], -1234567890123456)])) 68 assert.Equal(t, "-12345678901234567" , string(buf[:i64toa(&buf[0], -12345678901234567)])) 69 assert.Equal(t, "-123456789012345678" , string(buf[:i64toa(&buf[0], -123456789012345678)])) 70 assert.Equal(t, "-1234567890123456789" , string(buf[:i64toa(&buf[0], -1234567890123456789)])) 71 assert.Equal(t, "-9223372036854775808" , string(buf[:i64toa(&buf[0], -9223372036854775808)])) 72 } 73 74 func TestFastInt_UintToString(t *testing.T) { 75 var buf [32]byte 76 assert.Equal(t, "0" , string(buf[:u64toa(&buf[0], 0)])) 77 assert.Equal(t, "1" , string(buf[:u64toa(&buf[0], 1)])) 78 assert.Equal(t, "12" , string(buf[:u64toa(&buf[0], 12)])) 79 assert.Equal(t, "123" , string(buf[:u64toa(&buf[0], 123)])) 80 assert.Equal(t, "1234" , string(buf[:u64toa(&buf[0], 1234)])) 81 assert.Equal(t, "12345" , string(buf[:u64toa(&buf[0], 12345)])) 82 assert.Equal(t, "123456" , string(buf[:u64toa(&buf[0], 123456)])) 83 assert.Equal(t, "1234567" , string(buf[:u64toa(&buf[0], 1234567)])) 84 assert.Equal(t, "12345678" , string(buf[:u64toa(&buf[0], 12345678)])) 85 assert.Equal(t, "123456789" , string(buf[:u64toa(&buf[0], 123456789)])) 86 assert.Equal(t, "1234567890" , string(buf[:u64toa(&buf[0], 1234567890)])) 87 assert.Equal(t, "12345678901" , string(buf[:u64toa(&buf[0], 12345678901)])) 88 assert.Equal(t, "123456789012" , string(buf[:u64toa(&buf[0], 123456789012)])) 89 assert.Equal(t, "1234567890123" , string(buf[:u64toa(&buf[0], 1234567890123)])) 90 assert.Equal(t, "12345678901234" , string(buf[:u64toa(&buf[0], 12345678901234)])) 91 assert.Equal(t, "123456789012345" , string(buf[:u64toa(&buf[0], 123456789012345)])) 92 assert.Equal(t, "1234567890123456" , string(buf[:u64toa(&buf[0], 1234567890123456)])) 93 assert.Equal(t, "12345678901234567" , string(buf[:u64toa(&buf[0], 12345678901234567)])) 94 assert.Equal(t, "123456789012345678" , string(buf[:u64toa(&buf[0], 123456789012345678)])) 95 assert.Equal(t, "1234567890123456789" , string(buf[:u64toa(&buf[0], 1234567890123456789)])) 96 assert.Equal(t, "12345678901234567890" , string(buf[:u64toa(&buf[0], 12345678901234567890)])) 97 assert.Equal(t, "18446744073709551615" , string(buf[:u64toa(&buf[0], 18446744073709551615)])) 98 } 99 100 func BenchmarkFastInt_IntToString(b *testing.B) { 101 benchmarks := []struct { 102 name string 103 test func(*testing.B) 104 }{{ 105 name: "StdLib-Positive", 106 test: func(b *testing.B) { var buf [32]byte; for i := 0; i < b.N; i++ { strconv.AppendInt(buf[:0], int64(i), 10) }}, 107 }, { 108 name: "StdLib-Negative", 109 test: func(b *testing.B) { var buf [32]byte; for i := 0; i < b.N; i++ { strconv.AppendInt(buf[:0], -int64(i), 10) }}, 110 }, { 111 name: "FastInt-Positive", 112 test: func(b *testing.B) { var buf [32]byte; for i := 0; i < b.N; i++ { i64toa(&buf[0], int64(i)) }}, 113 }, { 114 name: "FastInt-Negative", 115 test: func(b *testing.B) { var buf [32]byte; for i := 0; i < b.N; i++ { i64toa(&buf[0], -int64(i)) }}, 116 }} 117 for _, bm := range benchmarks { 118 b.Run(bm.name, bm.test) 119 } 120 } 121 122 type utoaBench struct { 123 name string 124 num uint64 125 } 126 127 func BenchmarkFastInt_UintToString(b *testing.B) { 128 maxUint := "18446744073709551615" 129 benchs := make([]utoaBench, len(maxUint) + 1) 130 benchs[0].name = "Zero" 131 benchs[0].num = 0 132 for i := 1; i <= len(maxUint); i++ { 133 benchs[i].name = strconv.FormatInt(int64(i), 10) + "-Digs" 134 benchs[i].num, _ = strconv.ParseUint(string(maxUint[:i]), 10, 64) 135 } 136 137 for _, t := range(benchs) { 138 benchmarks := []struct { 139 name string 140 test func(*testing.B) 141 }{{ 142 name: "StdLib", 143 test: func(b *testing.B) { var buf [32]byte; for i := 0; i < b.N; i++ { strconv.AppendUint(buf[:0], t.num, 10) }}, 144 }, { 145 name: "FastInt", 146 test: func(b *testing.B) { var buf [32]byte; for i := 0; i < b.N; i++ { u64toa(&buf[0], t.num) }}, 147 }} 148 for _, bm := range benchmarks { 149 name := fmt.Sprintf("%s_%s", bm.name, t.name) 150 b.Run(name, bm.test) 151 } 152 } 153 }