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