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