mirror of https://go.googlesource.com/go
84 lines
1.8 KiB
Go
84 lines
1.8 KiB
Go
// Copyright 2023 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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//go:build windows
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package os_test
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import (
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"internal/testenv"
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"io"
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. "os"
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"path/filepath"
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"sync"
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"testing"
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)
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func TestRemoveAllWithExecutedProcess(t *testing.T) {
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// Regression test for golang.org/issue/25965.
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if testing.Short() {
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t.Skip("slow test; skipping")
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}
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testenv.MustHaveExec(t)
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name, err := Executable()
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if err != nil {
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t.Fatal(err)
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}
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r, err := Open(name)
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if err != nil {
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t.Fatal(err)
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}
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defer r.Close()
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const n = 100
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var execs [n]string
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// First create n executables.
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for i := 0; i < n; i++ {
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// Rewind r.
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if _, err := r.Seek(0, io.SeekStart); err != nil {
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t.Fatal(err)
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}
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name := filepath.Join(t.TempDir(), "test.exe")
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execs[i] = name
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w, err := Create(name)
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if err != nil {
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t.Fatal(err)
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}
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if _, err = io.Copy(w, r); err != nil {
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w.Close()
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t.Fatal(err)
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}
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if err := w.Sync(); err != nil {
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w.Close()
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t.Fatal(err)
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}
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if err = w.Close(); err != nil {
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t.Fatal(err)
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}
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}
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// Then run each executable and remove its directory.
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// Run each executable in a separate goroutine to add some load
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// and increase the chance of triggering the bug.
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var wg sync.WaitGroup
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wg.Add(n)
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for i := 0; i < n; i++ {
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go func(i int) {
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defer wg.Done()
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name := execs[i]
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dir := filepath.Dir(name)
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// Run test.exe without executing any test, just to make it do something.
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cmd := testenv.Command(t, name, "-test.run=^$")
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if err := cmd.Run(); err != nil {
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t.Errorf("exec failed: %v", err)
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}
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// Remove dir and check that it doesn't return `ERROR_ACCESS_DENIED`.
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err = RemoveAll(dir)
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if err != nil {
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t.Errorf("RemoveAll failed: %v", err)
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}
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}(i)
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}
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wg.Wait()
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}
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