golangci-lint/test/testdata/errorlint_asserts.go

47 lines
1.3 KiB
Go

//golangcitest:args -Eerrorlint
//golangcitest:config_path testdata/configs/errorlint_asserts.yml
package testdata
import (
"errors"
"log"
)
type myError struct{}
func (*myError) Error() string {
return "foo"
}
func errorLintDoAnotherThing() error {
return &myError{}
}
func errorLintAsserts() {
err := errorLintDoAnotherThing()
var me *myError
if errors.As(err, &me) {
log.Println("myError")
}
_, ok := err.(*myError) // want "type assertion on error will fail on wrapped errors. Use errors.As to check for specific errors"
if ok {
log.Println("myError")
}
switch err.(type) { // want "type switch on error will fail on wrapped errors. Use errors.As to check for specific errors"
case *myError:
log.Println("myError")
}
switch errorLintDoAnotherThing().(type) { // want "type switch on error will fail on wrapped errors. Use errors.As to check for specific errors"
case *myError:
log.Println("myError")
}
switch t := err.(type) { // want "type switch on error will fail on wrapped errors. Use errors.As to check for specific errors"
case *myError:
log.Println("myError", t)
}
switch t := errorLintDoAnotherThing().(type) { // want "type switch on error will fail on wrapped errors. Use errors.As to check for specific errors"
case *myError:
log.Println("myError", t)
}
}