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- // Copyright 2018 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.
- //go:build freebsd
- package syscall_test
- import (
- "fmt"
- "os"
- "syscall"
- "testing"
- "unsafe"
- )
- func TestConvertFromDirent11(t *testing.T) {
- const (
- filenameFmt = "%04d"
- numFiles = 64
- fixedHdrSize = int(unsafe.Offsetof(syscall.Dirent_freebsd11{}.Name))
- )
- namlen := len(fmt.Sprintf(filenameFmt, 0))
- reclen := syscall.Roundup(fixedHdrSize+namlen+1, 4)
- old := make([]byte, numFiles*reclen)
- for i := 0; i < numFiles; i++ {
- dent := syscall.Dirent_freebsd11{
- Fileno: uint32(i + 1),
- Reclen: uint16(reclen),
- Type: syscall.DT_REG,
- Namlen: uint8(namlen),
- }
- rec := make([]byte, reclen)
- copy(rec, (*[fixedHdrSize]byte)(unsafe.Pointer(&dent))[:])
- copy(rec[fixedHdrSize:], fmt.Sprintf(filenameFmt, i+1))
- copy(old[i*reclen:], rec)
- }
- buf := make([]byte, 2*len(old))
- n := syscall.ConvertFromDirents11(buf, old)
- names := make([]string, 0, numFiles)
- _, _, names = syscall.ParseDirent(buf[:n], -1, names)
- if len(names) != numFiles {
- t.Errorf("expected %d files, have %d; names: %q", numFiles, len(names), names)
- }
- for i, name := range names {
- if expected := fmt.Sprintf(filenameFmt, i+1); name != expected {
- t.Errorf("expected names[%d] to be %q; got %q", i, expected, name)
- }
- }
- }
- func TestMain(m *testing.M) {
- if os.Getenv("GO_DEATHSIG_PARENT") == "1" {
- deathSignalParent()
- } else if os.Getenv("GO_DEATHSIG_CHILD") == "1" {
- deathSignalChild()
- }
- os.Exit(m.Run())
- }
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