зеркало из https://github.com/golang/sys.git
76 строки
1.8 KiB
Go
76 строки
1.8 KiB
Go
// Copyright 2018 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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package unix_test
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import (
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"bytes"
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"os"
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"testing"
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"golang.org/x/sys/unix"
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)
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// stringsFromByteSlice converts a sequence of attributes to a []string.
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// On NetBSD, each entry consists of a single byte containing the length
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// of the attribute name, followed by the attribute name.
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// The name is _not_ NULL-terminated.
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func stringsFromByteSlice(buf []byte) []string {
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var result []string
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i := 0
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for i < len(buf) {
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next := i + 1 + int(buf[i])
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result = append(result, string(buf[i+1:next]))
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i = next
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}
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return result
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}
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func TestIoctlPtmget(t *testing.T) {
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fd, err := unix.Open("/dev/ptmx", unix.O_NOCTTY|unix.O_RDWR, 0666)
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if err != nil {
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t.Skip("failed to open /dev/ptmx, skipping test")
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}
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defer unix.Close(fd)
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ptm, err := unix.IoctlGetPtmget(fd, unix.TIOCPTSNAME)
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if err != nil {
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t.Fatalf("IoctlGetPtmget: %v\n", err)
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}
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t.Logf("sfd = %v, ptsname = %v", ptm.Sfd, string(ptm.Sn[:bytes.IndexByte(ptm.Sn[:], 0)]))
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}
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func TestStatvfs(t *testing.T) {
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defer chtmpdir(t)()
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touch(t, "file1")
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var statvfs1, statvfs2 unix.Statvfs_t
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err := unix.Statvfs("file1", &statvfs1)
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if err != nil {
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t.Fatalf("Statvfs: %v", err)
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}
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f, err := os.Open("file1")
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if err != nil {
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t.Fatal(err)
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}
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defer f.Close()
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err = unix.Fstatvfs(int(f.Fd()), &statvfs2)
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if err != nil {
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t.Fatalf("Fstatvfs: %v", err)
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}
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if statvfs2.Fsid != statvfs1.Fsid {
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t.Errorf("Fstatvfs: got fsid %v, expected %v", statvfs2.Fsid, statvfs1.Fsid)
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}
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if statvfs2.Owner != statvfs1.Owner {
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t.Errorf("Fstatvfs: got owner %v, expected %v", statvfs2.Owner, statvfs1.Owner)
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}
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if statvfs2.Fstypename != statvfs1.Fstypename {
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t.Errorf("Fstatvfs: got fstypename %s, expected %s", statvfs2.Fstypename, statvfs1.Fstypename)
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}
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}
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