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//golangcitest:args -Eerrorlint
//golangcitest:config_path testdata/configs/errorlint_comparison.yml
package testdata
import (
"errors"
"log"
)
var errCompare = errors.New("foo")
func errorLintDoThing() error {
return errCompare
}
func errorLintComparison() {
err := errorLintDoThing()
if errors.Is(err, errCompare) {
log.Println("errCompare")
}
if err == nil {
log.Println("nil")
}
if err != nil {
log.Println("nil")
}
if nil == err {
log.Println("nil")
}
if nil != err {
log.Println("nil")
}
if err == errCompare { // want "comparing with == will fail on wrapped errors. Use errors.Is to check for a specific error"
log.Println("errCompare")
}
if err != errCompare { // want "comparing with != will fail on wrapped errors. Use errors.Is to check for a specific error"
log.Println("not errCompare")
}
if errCompare == err { // want "comparing with == will fail on wrapped errors. Use errors.Is to check for a specific error"
log.Println("errCompare")
}
if errCompare != err { // want "comparing with != will fail on wrapped errors. Use errors.Is to check for a specific error"
log.Println("not errCompare")
}
switch err { // want "switch on an error will fail on wrapped errors. Use errors.Is to check for specific errors"
case errCompare:
log.Println("errCompare")
}
switch errorLintDoThing() { // want "switch on an error will fail on wrapped errors. Use errors.Is to check for specific errors"
case errCompare:
log.Println("errCompare")
}
}
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