github.com/nibnait/go-learn@v0.0.0-20220227013611-dfa47ea6d2da/src/pkg/mod/golang.org/x/sys@v0.0.0-20210630005230-0f9fa26af87c/unix/syscall_netbsd_test.go (about) 1 // Copyright 2018 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package unix_test 6 7 import ( 8 "bytes" 9 "os" 10 "testing" 11 12 "golang.org/x/sys/unix" 13 ) 14 15 // stringsFromByteSlice converts a sequence of attributes to a []string. 16 // On NetBSD, each entry consists of a single byte containing the length 17 // of the attribute name, followed by the attribute name. 18 // The name is _not_ NULL-terminated. 19 func stringsFromByteSlice(buf []byte) []string { 20 var result []string 21 i := 0 22 for i < len(buf) { 23 next := i + 1 + int(buf[i]) 24 result = append(result, string(buf[i+1:next])) 25 i = next 26 } 27 return result 28 } 29 30 func TestIoctlPtmget(t *testing.T) { 31 fd, err := unix.Open("/dev/ptmx", unix.O_NOCTTY|unix.O_RDWR, 0666) 32 if err != nil { 33 t.Skip("failed to open /dev/ptmx, skipping test") 34 } 35 defer unix.Close(fd) 36 37 ptm, err := unix.IoctlGetPtmget(fd, unix.TIOCPTSNAME) 38 if err != nil { 39 t.Fatalf("IoctlGetPtmget: %v\n", err) 40 } 41 42 t.Logf("sfd = %v, ptsname = %v", ptm.Sfd, string(ptm.Sn[:bytes.IndexByte(ptm.Sn[:], 0)])) 43 } 44 45 func TestStatvfs(t *testing.T) { 46 defer chtmpdir(t)() 47 touch(t, "file1") 48 49 var statvfs1, statvfs2 unix.Statvfs_t 50 err := unix.Statvfs("file1", &statvfs1) 51 if err != nil { 52 t.Fatalf("Statvfs: %v", err) 53 } 54 55 f, err := os.Open("file1") 56 if err != nil { 57 t.Fatal(err) 58 } 59 defer f.Close() 60 61 err = unix.Fstatvfs(int(f.Fd()), &statvfs2) 62 if err != nil { 63 t.Fatalf("Fstatvfs: %v", err) 64 } 65 66 if statvfs2.Fsid != statvfs1.Fsid { 67 t.Errorf("Fstatvfs: got fsid %v, expected %v", statvfs2.Fsid, statvfs1.Fsid) 68 } 69 if statvfs2.Owner != statvfs1.Owner { 70 t.Errorf("Fstatvfs: got owner %v, expected %v", statvfs2.Owner, statvfs1.Owner) 71 } 72 if statvfs2.Fstypename != statvfs1.Fstypename { 73 t.Errorf("Fstatvfs: got fstypename %s, expected %s", statvfs2.Fstypename, statvfs1.Fstypename) 74 } 75 }