rclone/vendor/github.com/pkg/errors/bench_test.go
Nick Craig-Wood 6427029c4e vendor: update all dependencies
* Update all dependencies
  * Remove all `[[constraint]]` from Gopkg.toml
  * Add in the minimum number of `[[override]]` to build
  * Remove go get of github.com/inconshreveable/mousetrap as it is vendored
  * Update docs with new policy on constraints
2018-05-05 15:52:24 +01:00

60 lines
906 B
Go

// +build go1.7
package errors
import (
"fmt"
"testing"
stderrors "errors"
)
func noErrors(at, depth int) error {
if at >= depth {
return stderrors.New("no error")
}
return noErrors(at+1, depth)
}
func yesErrors(at, depth int) error {
if at >= depth {
return New("ye error")
}
return yesErrors(at+1, depth)
}
func BenchmarkErrors(b *testing.B) {
var toperr error
type run struct {
stack int
std bool
}
runs := []run{
{10, false},
{10, true},
{100, false},
{100, true},
{1000, false},
{1000, true},
}
for _, r := range runs {
part := "pkg/errors"
if r.std {
part = "errors"
}
name := fmt.Sprintf("%s-stack-%d", part, r.stack)
b.Run(name, func(b *testing.B) {
var err error
f := yesErrors
if r.std {
f = noErrors
}
b.ReportAllocs()
for i := 0; i < b.N; i++ {
err = f(0, r.stack)
}
b.StopTimer()
toperr = err
})
}
}