golangci-lint/test/testdata/perfsprint.go
Catena cyber de1c391922
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Add perfsprint linter (#3714)
Co-authored-by: Fernandez Ludovic <ldez@users.noreply.github.com>
Co-authored-by: Anton Telyshev <anton.telishev@yandex.ru>
2023-10-20 12:00:04 +02:00

50 lines
1.9 KiB
Go

//golangcitest:args -Eperfsprint
package testdata
import "fmt"
func TestPerfsprint() {
var (
s string
err error
b bool
i int
i64 int64
ui uint
)
fmt.Sprintf("%s", s) // want "fmt.Sprintf can be replaced with just using the string"
fmt.Sprint(s) // want "fmt.Sprint can be replaced with just using the string"
fmt.Sprintf("%s", err) // want "fmt.Sprintf can be replaced with err.Error()"
fmt.Sprint(err) // want "fmt.Sprint can be replaced with err.Error()"
fmt.Sprintf("%t", b) // want "fmt.Sprintf can be replaced with faster strconv.FormatBool"
fmt.Sprint(b) // want "fmt.Sprint can be replaced with faster strconv.FormatBool"
fmt.Sprintf("%d", i) // want "fmt.Sprintf can be replaced with faster strconv.Itoa"
fmt.Sprint(i) // want "fmt.Sprint can be replaced with faster strconv.Itoa"
fmt.Sprintf("%d", i64) // want "fmt.Sprintf can be replaced with faster strconv.FormatInt"
fmt.Sprint(i64) // want "fmt.Sprint can be replaced with faster strconv.FormatInt"
fmt.Sprintf("%d", ui) // want "fmt.Sprintf can be replaced with faster strconv.FormatUint"
fmt.Sprint(ui) // want "fmt.Sprint can be replaced with faster strconv.FormatUint"
fmt.Sprintf("%x", []byte{'a'}) // want "fmt.Sprintf can be replaced with faster hex.EncodeToString"
fmt.Sprint("test", 42)
fmt.Sprint(42, 42)
fmt.Sprintf("test")
fmt.Sprintf("%v")
fmt.Sprintf("%d")
fmt.Sprintf("%d", 42, 42)
fmt.Sprintf("%#d", 42)
fmt.Sprintf("value %d", 42)
fmt.Sprintf("val%d", 42)
fmt.Sprintf("%s %v", "hello", "world")
fmt.Sprintf("%#v", 42)
fmt.Sprintf("%T", struct{ string }{})
fmt.Sprintf("%%v", 42)
fmt.Sprintf("%3d", 42)
fmt.Sprintf("% d", 42)
fmt.Sprintf("%-10d", 42)
fmt.Sprintf("%[2]d %[1]d\n", 11, 22)
fmt.Sprintf("%[3]*.[2]*[1]f", 12.0, 2, 6)
fmt.Sprintf("%d %d %#[1]x %#x", 16, 17)
}