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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package errors
import (
"fmt"
"testing"
)
func BenchmarkWrap(b *testing.B) {
err := New("foo")
args := func(a ...interface{}) []interface{} { return a }
benchCases := []struct {
name string
format string
args []interface{}
msg string
err error
}{
{"wrap", "msg: %w", args(err), "wrap", err},
}
for _, bc := range benchCases {
b.Run(bc.name, func(b *testing.B) {
b.Run("WrapTrace", func(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
_ = Wrap(bc.err, bc.msg)
}
})
b.Run("WrapNoTrace", func(b *testing.B) {
b.ReportAllocs()
DisableTrace()
defer enableTrace()
for i := 0; i < b.N; i++ {
_ = Wrap(bc.err, bc.msg)
}
})
b.Run("Core", func(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
_ = fmt.Errorf(bc.format, bc.args...)
}
})
})
}
}
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