mirror of https://github.com/uber-go/multierr.git
128 lines
3.1 KiB
Go
128 lines
3.1 KiB
Go
// Copyright (c) 2017 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package multierr
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import (
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"errors"
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"fmt"
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"testing"
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)
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func BenchmarkAppend(b *testing.B) {
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errorTypes := []struct {
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name string
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err error
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}{
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{
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name: "nil",
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err: nil,
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},
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{
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name: "single error",
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err: errors.New("test"),
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},
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{
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name: "multiple errors",
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err: appendN(nil, errors.New("err"), 10),
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},
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}
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for _, initial := range errorTypes {
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for _, v := range errorTypes {
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msg := fmt.Sprintf("append %v to %v", v.name, initial.name)
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b.Run(msg, func(b *testing.B) {
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for _, appends := range []int{1, 2, 10} {
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b.Run(fmt.Sprint(appends), func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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appendN(initial.err, v.err, appends)
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}
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})
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}
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})
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}
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}
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}
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func BenchmarkCombine(b *testing.B) {
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b.Run("inline 1", func(b *testing.B) {
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var x error
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for i := 0; i < b.N; i++ {
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Combine(x)
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}
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})
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b.Run("inline 2", func(b *testing.B) {
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var x, y error
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for i := 0; i < b.N; i++ {
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Combine(x, y)
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}
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})
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b.Run("inline 3 no error", func(b *testing.B) {
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var x, y, z error
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for i := 0; i < b.N; i++ {
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Combine(x, y, z)
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}
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})
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b.Run("inline 3 one error", func(b *testing.B) {
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var x, y, z error
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z = fmt.Errorf("failed")
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for i := 0; i < b.N; i++ {
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Combine(x, y, z)
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}
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})
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b.Run("inline 3 multiple errors", func(b *testing.B) {
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var x, y, z error
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z = fmt.Errorf("failed3")
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y = fmt.Errorf("failed2")
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x = fmt.Errorf("failed")
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for i := 0; i < b.N; i++ {
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Combine(x, y, z)
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}
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})
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b.Run("slice 100 no errors", func(b *testing.B) {
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errs := make([]error, 100)
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for i := 0; i < b.N; i++ {
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Combine(errs...)
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}
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})
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b.Run("slice 100 one error", func(b *testing.B) {
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errs := make([]error, 100)
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errs[len(errs)-1] = fmt.Errorf("failed")
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for i := 0; i < b.N; i++ {
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Combine(errs...)
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}
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})
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b.Run("slice 100 multi error", func(b *testing.B) {
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errs := make([]error, 100)
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errs[0] = fmt.Errorf("failed1")
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errs[len(errs)-1] = fmt.Errorf("failed2")
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for i := 0; i < b.N; i++ {
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Combine(errs...)
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}
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})
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}
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