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