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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !plan9,!windows,!js
package renameio
import (
"io/ioutil"
"os"
"path/filepath"
"syscall"
"testing"
)
func TestWriteFileModeAppliesUmask(t *testing.T) {
dir, err := ioutil.TempDir("", "renameio")
if err != nil {
t.Fatalf("Failed to create temporary directory: %v", err)
}
defer os.RemoveAll(dir)
const mode = 0644
const umask = 0007
defer syscall.Umask(syscall.Umask(umask))
file := filepath.Join(dir, "testWrite")
err = WriteFile(file, []byte("go-build"), mode)
if err != nil {
t.Fatalf("Failed to write file: %v", err)
}
fi, err := os.Stat(file)
if err != nil {
t.Fatalf("Stat %q (looking for mode %#o): %s", file, mode, err)
}
if fi.Mode()&os.ModePerm != 0640 {
t.Errorf("Stat %q: mode %#o want %#o", file, fi.Mode()&os.ModePerm, 0640)
}
}
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