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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2022 WireGuard LLC. All Rights Reserved.
*/
package main
import (
"bytes"
"go/format"
"io/fs"
"os"
"path/filepath"
"runtime"
"sync"
"testing"
)
func TestFormatting(t *testing.T) {
var wg sync.WaitGroup
filepath.WalkDir(".", func(path string, d fs.DirEntry, err error) error {
if err != nil {
t.Errorf("unable to walk %s: %v", path, err)
return nil
}
if d.IsDir() || filepath.Ext(path) != ".go" {
return nil
}
wg.Add(1)
go func(path string) {
defer wg.Done()
src, err := os.ReadFile(path)
if err != nil {
t.Errorf("unable to read %s: %v", path, err)
return
}
if runtime.GOOS == "windows" {
src = bytes.ReplaceAll(src, []byte{'\r', '\n'}, []byte{'\n'})
}
formatted, err := format.Source(src)
if err != nil {
t.Errorf("unable to format %s: %v", path, err)
return
}
if !bytes.Equal(src, formatted) {
t.Errorf("unformatted code: %s", path)
}
}(path)
return nil
})
wg.Wait()
}
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