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-rw-r--r--src/pkg/os/os_test.go1052
1 files changed, 0 insertions, 1052 deletions
diff --git a/src/pkg/os/os_test.go b/src/pkg/os/os_test.go
deleted file mode 100644
index c22b536d5..000000000
--- a/src/pkg/os/os_test.go
+++ /dev/null
@@ -1,1052 +0,0 @@
-// Copyright 2009 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.
-
-package os_test
-
-import (
- "bytes"
- "fmt"
- "io"
- "io/ioutil"
- . "os"
- "path/filepath"
- "strings"
- "syscall"
- "testing"
-)
-
-var dot = []string{
- "dir_unix.go",
- "env_unix.go",
- "error.go",
- "file.go",
- "os_test.go",
- "time.go",
- "types.go",
- "stat_darwin.go",
- "stat_linux.go",
-}
-
-type sysDir struct {
- name string
- files []string
-}
-
-var sysdir = func() (sd *sysDir) {
- switch syscall.OS {
- case "windows":
- sd = &sysDir{
- Getenv("SystemRoot") + "\\system32\\drivers\\etc",
- []string{
- "hosts",
- "networks",
- "protocol",
- "services",
- },
- }
- case "plan9":
- sd = &sysDir{
- "/lib/ndb",
- []string{
- "common",
- "local",
- },
- }
- default:
- sd = &sysDir{
- "/etc",
- []string{
- "group",
- "hosts",
- "passwd",
- },
- }
- }
- return
-}()
-
-func size(name string, t *testing.T) int64 {
- file, err := Open(name)
- defer file.Close()
- if err != nil {
- t.Fatal("open failed:", err)
- }
- var buf [100]byte
- len := 0
- for {
- n, e := file.Read(buf[0:])
- len += n
- if e == EOF {
- break
- }
- if e != nil {
- t.Fatal("read failed:", err)
- }
- }
- return int64(len)
-}
-
-func equal(name1, name2 string) (r bool) {
- switch syscall.OS {
- case "windows":
- r = strings.ToLower(name1) == strings.ToLower(name2)
- default:
- r = name1 == name2
- }
- return
-}
-
-func newFile(testName string, t *testing.T) (f *File) {
- // Use a local file system, not NFS.
- // On Unix, override $TMPDIR in case the user
- // has it set to an NFS-mounted directory.
- dir := ""
- if syscall.OS != "windows" {
- dir = "/tmp"
- }
- f, err := ioutil.TempFile(dir, "_Go_"+testName)
- if err != nil {
- t.Fatalf("open %s: %s", testName, err)
- }
- return
-}
-
-var sfdir = sysdir.name
-var sfname = sysdir.files[0]
-
-func TestStat(t *testing.T) {
- path := sfdir + "/" + sfname
- dir, err := Stat(path)
- if err != nil {
- t.Fatal("stat failed:", err)
- }
- if !equal(sfname, dir.Name) {
- t.Error("name should be ", sfname, "; is", dir.Name)
- }
- filesize := size(path, t)
- if dir.Size != filesize {
- t.Error("size should be", filesize, "; is", dir.Size)
- }
-}
-
-func TestFstat(t *testing.T) {
- path := sfdir + "/" + sfname
- file, err1 := Open(path)
- defer file.Close()
- if err1 != nil {
- t.Fatal("open failed:", err1)
- }
- dir, err2 := file.Stat()
- if err2 != nil {
- t.Fatal("fstat failed:", err2)
- }
- if !equal(sfname, dir.Name) {
- t.Error("name should be ", sfname, "; is", dir.Name)
- }
- filesize := size(path, t)
- if dir.Size != filesize {
- t.Error("size should be", filesize, "; is", dir.Size)
- }
-}
-
-func TestLstat(t *testing.T) {
- path := sfdir + "/" + sfname
- dir, err := Lstat(path)
- if err != nil {
- t.Fatal("lstat failed:", err)
- }
- if !equal(sfname, dir.Name) {
- t.Error("name should be ", sfname, "; is", dir.Name)
- }
- filesize := size(path, t)
- if dir.Size != filesize {
- t.Error("size should be", filesize, "; is", dir.Size)
- }
-}
-
-func testReaddirnames(dir string, contents []string, t *testing.T) {
- file, err := Open(dir)
- defer file.Close()
- if err != nil {
- t.Fatalf("open %q failed: %v", dir, err)
- }
- s, err2 := file.Readdirnames(-1)
- if err2 != nil {
- t.Fatalf("readdirnames %q failed: %v", dir, err2)
- }
- for _, m := range contents {
- found := false
- for _, n := range s {
- if n == "." || n == ".." {
- t.Errorf("got %s in directory", n)
- }
- if equal(m, n) {
- if found {
- t.Error("present twice:", m)
- }
- found = true
- }
- }
- if !found {
- t.Error("could not find", m)
- }
- }
-}
-
-func testReaddir(dir string, contents []string, t *testing.T) {
- file, err := Open(dir)
- defer file.Close()
- if err != nil {
- t.Fatalf("open %q failed: %v", dir, err)
- }
- s, err2 := file.Readdir(-1)
- if err2 != nil {
- t.Fatalf("readdir %q failed: %v", dir, err2)
- }
- for _, m := range contents {
- found := false
- for _, n := range s {
- if equal(m, n.Name) {
- if found {
- t.Error("present twice:", m)
- }
- found = true
- }
- }
- if !found {
- t.Error("could not find", m)
- }
- }
-}
-
-func TestReaddirnames(t *testing.T) {
- testReaddirnames(".", dot, t)
- testReaddirnames(sysdir.name, sysdir.files, t)
-}
-
-func TestReaddir(t *testing.T) {
- testReaddir(".", dot, t)
- testReaddir(sysdir.name, sysdir.files, t)
-}
-
-// Read the directory one entry at a time.
-func smallReaddirnames(file *File, length int, t *testing.T) []string {
- names := make([]string, length)
- count := 0
- for {
- d, err := file.Readdirnames(1)
- if err == EOF {
- break
- }
- if err != nil {
- t.Fatalf("readdirnames %q failed: %v", file.Name(), err)
- }
- if len(d) == 0 {
- t.Fatalf("readdirnames %q returned empty slice and no error", file.Name())
- }
- names[count] = d[0]
- count++
- }
- return names[0:count]
-}
-
-// Check that reading a directory one entry at a time gives the same result
-// as reading it all at once.
-func TestReaddirnamesOneAtATime(t *testing.T) {
- // big directory that doesn't change often.
- dir := "/usr/bin"
- switch syscall.OS {
- case "windows":
- dir = Getenv("SystemRoot") + "\\system32"
- case "plan9":
- dir = "/bin"
- }
- file, err := Open(dir)
- defer file.Close()
- if err != nil {
- t.Fatalf("open %q failed: %v", dir, err)
- }
- all, err1 := file.Readdirnames(-1)
- if err1 != nil {
- t.Fatalf("readdirnames %q failed: %v", dir, err1)
- }
- file1, err2 := Open(dir)
- if err2 != nil {
- t.Fatalf("open %q failed: %v", dir, err2)
- }
- small := smallReaddirnames(file1, len(all)+100, t) // +100 in case we screw up
- if len(small) < len(all) {
- t.Fatalf("len(small) is %d, less than %d", len(small), len(all))
- }
- for i, n := range all {
- if small[i] != n {
- t.Errorf("small read %q mismatch: %v", small[i], n)
- }
- }
-}
-
-func TestReaddirNValues(t *testing.T) {
- if testing.Short() {
- t.Logf("test.short; skipping")
- return
- }
- dir, err := ioutil.TempDir("", "")
- if err != nil {
- t.Fatalf("TempDir: %v", err)
- }
- defer RemoveAll(dir)
- for i := 1; i <= 105; i++ {
- f, err := Create(filepath.Join(dir, fmt.Sprintf("%d", i)))
- if err != nil {
- t.Fatalf("Create: %v", err)
- }
- f.Write([]byte(strings.Repeat("X", i)))
- f.Close()
- }
-
- var d *File
- openDir := func() {
- var err Error
- d, err = Open(dir)
- if err != nil {
- t.Fatalf("Open directory: %v", err)
- }
- }
-
- readDirExpect := func(n, want int, wantErr Error) {
- fi, err := d.Readdir(n)
- if err != wantErr {
- t.Fatalf("Readdir of %d got error %v, want %v", n, err, wantErr)
- }
- if g, e := len(fi), want; g != e {
- t.Errorf("Readdir of %d got %d files, want %d", n, g, e)
- }
- }
-
- readDirNamesExpect := func(n, want int, wantErr Error) {
- fi, err := d.Readdirnames(n)
- if err != wantErr {
- t.Fatalf("Readdirnames of %d got error %v, want %v", n, err, wantErr)
- }
- if g, e := len(fi), want; g != e {
- t.Errorf("Readdirnames of %d got %d files, want %d", n, g, e)
- }
- }
-
- for _, fn := range []func(int, int, Error){readDirExpect, readDirNamesExpect} {
- // Test the slurp case
- openDir()
- fn(0, 105, nil)
- fn(0, 0, nil)
- d.Close()
-
- // Slurp with -1 instead
- openDir()
- fn(-1, 105, nil)
- fn(-2, 0, nil)
- fn(0, 0, nil)
- d.Close()
-
- // Test the bounded case
- openDir()
- fn(1, 1, nil)
- fn(2, 2, nil)
- fn(105, 102, nil) // and tests buffer >100 case
- fn(3, 0, EOF)
- d.Close()
- }
-}
-
-func TestHardLink(t *testing.T) {
- // Hardlinks are not supported under windows or Plan 9.
- if syscall.OS == "windows" || syscall.OS == "plan9" {
- return
- }
- from, to := "hardlinktestfrom", "hardlinktestto"
- Remove(from) // Just in case.
- file, err := Create(to)
- if err != nil {
- t.Fatalf("open %q failed: %v", to, err)
- }
- defer Remove(to)
- if err = file.Close(); err != nil {
- t.Errorf("close %q failed: %v", to, err)
- }
- err = Link(to, from)
- if err != nil {
- t.Fatalf("link %q, %q failed: %v", to, from, err)
- }
- defer Remove(from)
- tostat, err := Stat(to)
- if err != nil {
- t.Fatalf("stat %q failed: %v", to, err)
- }
- fromstat, err := Stat(from)
- if err != nil {
- t.Fatalf("stat %q failed: %v", from, err)
- }
- if tostat.Dev != fromstat.Dev || tostat.Ino != fromstat.Ino {
- t.Errorf("link %q, %q did not create hard link", to, from)
- }
-}
-
-func TestSymLink(t *testing.T) {
- // Symlinks are not supported under windows or Plan 9.
- if syscall.OS == "windows" || syscall.OS == "plan9" {
- return
- }
- from, to := "symlinktestfrom", "symlinktestto"
- Remove(from) // Just in case.
- file, err := Create(to)
- if err != nil {
- t.Fatalf("open %q failed: %v", to, err)
- }
- defer Remove(to)
- if err = file.Close(); err != nil {
- t.Errorf("close %q failed: %v", to, err)
- }
- err = Symlink(to, from)
- if err != nil {
- t.Fatalf("symlink %q, %q failed: %v", to, from, err)
- }
- defer Remove(from)
- tostat, err := Stat(to)
- if err != nil {
- t.Fatalf("stat %q failed: %v", to, err)
- }
- if tostat.FollowedSymlink {
- t.Fatalf("stat %q claims to have followed a symlink", to)
- }
- fromstat, err := Stat(from)
- if err != nil {
- t.Fatalf("stat %q failed: %v", from, err)
- }
- if tostat.Dev != fromstat.Dev || tostat.Ino != fromstat.Ino {
- t.Errorf("symlink %q, %q did not create symlink", to, from)
- }
- fromstat, err = Lstat(from)
- if err != nil {
- t.Fatalf("lstat %q failed: %v", from, err)
- }
- if !fromstat.IsSymlink() {
- t.Fatalf("symlink %q, %q did not create symlink", to, from)
- }
- fromstat, err = Stat(from)
- if err != nil {
- t.Fatalf("stat %q failed: %v", from, err)
- }
- if !fromstat.FollowedSymlink {
- t.Fatalf("stat %q did not follow symlink", from)
- }
- s, err := Readlink(from)
- if err != nil {
- t.Fatalf("readlink %q failed: %v", from, err)
- }
- if s != to {
- t.Fatalf("after symlink %q != %q", s, to)
- }
- file, err = Open(from)
- if err != nil {
- t.Fatalf("open %q failed: %v", from, err)
- }
- file.Close()
-}
-
-func TestLongSymlink(t *testing.T) {
- // Symlinks are not supported under windows or Plan 9.
- if syscall.OS == "windows" || syscall.OS == "plan9" {
- return
- }
- s := "0123456789abcdef"
- // Long, but not too long: a common limit is 255.
- s = s + s + s + s + s + s + s + s + s + s + s + s + s + s + s
- from := "longsymlinktestfrom"
- Remove(from) // Just in case.
- err := Symlink(s, from)
- if err != nil {
- t.Fatalf("symlink %q, %q failed: %v", s, from, err)
- }
- defer Remove(from)
- r, err := Readlink(from)
- if err != nil {
- t.Fatalf("readlink %q failed: %v", from, err)
- }
- if r != s {
- t.Fatalf("after symlink %q != %q", r, s)
- }
-}
-
-func TestRename(t *testing.T) {
- from, to := "renamefrom", "renameto"
- Remove(to) // Just in case.
- file, err := Create(from)
- if err != nil {
- t.Fatalf("open %q failed: %v", to, err)
- }
- if err = file.Close(); err != nil {
- t.Errorf("close %q failed: %v", to, err)
- }
- err = Rename(from, to)
- if err != nil {
- t.Fatalf("rename %q, %q failed: %v", to, from, err)
- }
- defer Remove(to)
- _, err = Stat(to)
- if err != nil {
- t.Errorf("stat %q failed: %v", to, err)
- }
-}
-
-func exec(t *testing.T, dir, cmd string, args []string, expect string) {
- r, w, err := Pipe()
- if err != nil {
- t.Fatalf("Pipe: %v", err)
- }
- attr := &ProcAttr{Dir: dir, Files: []*File{nil, w, Stderr}}
- p, err := StartProcess(cmd, args, attr)
- if err != nil {
- t.Fatalf("StartProcess: %v", err)
- }
- defer p.Release()
- w.Close()
-
- var b bytes.Buffer
- io.Copy(&b, r)
- output := b.String()
- // Accept /usr prefix because Solaris /bin is symlinked to /usr/bin.
- if output != expect && output != "/usr"+expect {
- t.Errorf("exec %q returned %q wanted %q",
- strings.Join(append([]string{cmd}, args...), " "), output, expect)
- }
- p.Wait(0)
-}
-
-func TestStartProcess(t *testing.T) {
- var dir, cmd, le string
- var args []string
- if syscall.OS == "windows" {
- le = "\r\n"
- cmd = Getenv("COMSPEC")
- dir = Getenv("SystemRoot")
- args = []string{"/c", "cd"}
- } else {
- le = "\n"
- cmd = "/bin/pwd"
- dir = "/"
- args = []string{}
- }
- cmddir, cmdbase := filepath.Split(cmd)
- args = append([]string{cmdbase}, args...)
- // Test absolute executable path.
- exec(t, dir, cmd, args, dir+le)
- // Test relative executable path.
- exec(t, cmddir, cmdbase, args, filepath.Clean(cmddir)+le)
-}
-
-func checkMode(t *testing.T, path string, mode uint32) {
- dir, err := Stat(path)
- if err != nil {
- t.Fatalf("Stat %q (looking for mode %#o): %s", path, mode, err)
- }
- if dir.Mode&0777 != mode {
- t.Errorf("Stat %q: mode %#o want %#o", path, dir.Mode, mode)
- }
-}
-
-func TestChmod(t *testing.T) {
- // Chmod is not supported under windows.
- if syscall.OS == "windows" {
- return
- }
- f := newFile("TestChmod", t)
- defer Remove(f.Name())
- defer f.Close()
-
- if err := Chmod(f.Name(), 0456); err != nil {
- t.Fatalf("chmod %s 0456: %s", f.Name(), err)
- }
- checkMode(t, f.Name(), 0456)
-
- if err := f.Chmod(0123); err != nil {
- t.Fatalf("chmod %s 0123: %s", f.Name(), err)
- }
- checkMode(t, f.Name(), 0123)
-}
-
-func checkUidGid(t *testing.T, path string, uid, gid int) {
- dir, err := Stat(path)
- if err != nil {
- t.Fatalf("Stat %q (looking for uid/gid %d/%d): %s", path, uid, gid, err)
- }
- if dir.Uid != uid {
- t.Errorf("Stat %q: uid %d want %d", path, dir.Uid, uid)
- }
- if dir.Gid != gid {
- t.Errorf("Stat %q: gid %d want %d", path, dir.Gid, gid)
- }
-}
-
-func TestChown(t *testing.T) {
- // Chown is not supported under windows or Plan 9.
- // Plan9 provides a native ChownPlan9 version instead.
- if syscall.OS == "windows" || syscall.OS == "plan9" {
- return
- }
- // Use TempDir() to make sure we're on a local file system,
- // so that the group ids returned by Getgroups will be allowed
- // on the file. On NFS, the Getgroups groups are
- // basically useless.
- f := newFile("TestChown", t)
- defer Remove(f.Name())
- defer f.Close()
- dir, err := f.Stat()
- if err != nil {
- t.Fatalf("stat %s: %s", f.Name(), err)
- }
-
- // Can't change uid unless root, but can try
- // changing the group id. First try our current group.
- gid := Getgid()
- t.Log("gid:", gid)
- if err = Chown(f.Name(), -1, gid); err != nil {
- t.Fatalf("chown %s -1 %d: %s", f.Name(), gid, err)
- }
- checkUidGid(t, f.Name(), dir.Uid, gid)
-
- // Then try all the auxiliary groups.
- groups, err := Getgroups()
- if err != nil {
- t.Fatalf("getgroups: %s", err)
- }
- t.Log("groups: ", groups)
- for _, g := range groups {
- if err = Chown(f.Name(), -1, g); err != nil {
- t.Fatalf("chown %s -1 %d: %s", f.Name(), g, err)
- }
- checkUidGid(t, f.Name(), dir.Uid, g)
-
- // change back to gid to test fd.Chown
- if err = f.Chown(-1, gid); err != nil {
- t.Fatalf("fchown %s -1 %d: %s", f.Name(), gid, err)
- }
- checkUidGid(t, f.Name(), dir.Uid, gid)
- }
-}
-
-func checkSize(t *testing.T, f *File, size int64) {
- dir, err := f.Stat()
- if err != nil {
- t.Fatalf("Stat %q (looking for size %d): %s", f.Name(), size, err)
- }
- if dir.Size != size {
- t.Errorf("Stat %q: size %d want %d", f.Name(), dir.Size, size)
- }
-}
-
-func TestFTruncate(t *testing.T) {
- f := newFile("TestFTruncate", t)
- defer Remove(f.Name())
- defer f.Close()
-
- checkSize(t, f, 0)
- f.Write([]byte("hello, world\n"))
- checkSize(t, f, 13)
- f.Truncate(10)
- checkSize(t, f, 10)
- f.Truncate(1024)
- checkSize(t, f, 1024)
- f.Truncate(0)
- checkSize(t, f, 0)
- f.Write([]byte("surprise!"))
- checkSize(t, f, 13+9) // wrote at offset past where hello, world was.
-}
-
-func TestTruncate(t *testing.T) {
- f := newFile("TestTruncate", t)
- defer Remove(f.Name())
- defer f.Close()
-
- checkSize(t, f, 0)
- f.Write([]byte("hello, world\n"))
- checkSize(t, f, 13)
- Truncate(f.Name(), 10)
- checkSize(t, f, 10)
- Truncate(f.Name(), 1024)
- checkSize(t, f, 1024)
- Truncate(f.Name(), 0)
- checkSize(t, f, 0)
- f.Write([]byte("surprise!"))
- checkSize(t, f, 13+9) // wrote at offset past where hello, world was.
-}
-
-// Use TempDir() to make sure we're on a local file system,
-// so that timings are not distorted by latency and caching.
-// On NFS, timings can be off due to caching of meta-data on
-// NFS servers (Issue 848).
-func TestChtimes(t *testing.T) {
- f := newFile("TestChtimes", t)
- defer Remove(f.Name())
- defer f.Close()
-
- f.Write([]byte("hello, world\n"))
- f.Close()
-
- preStat, err := Stat(f.Name())
- if err != nil {
- t.Fatalf("Stat %s: %s", f.Name(), err)
- }
-
- // Move access and modification time back a second
- const OneSecond = 1e9 // in nanoseconds
- err = Chtimes(f.Name(), preStat.Atime_ns-OneSecond, preStat.Mtime_ns-OneSecond)
- if err != nil {
- t.Fatalf("Chtimes %s: %s", f.Name(), err)
- }
-
- postStat, err := Stat(f.Name())
- if err != nil {
- t.Fatalf("second Stat %s: %s", f.Name(), err)
- }
-
- /* Plan 9:
- Mtime is the time of the last change of content. Similarly, atime is set whenever the
- contents are accessed; also, it is set whenever mtime is set.
- */
- if postStat.Atime_ns >= preStat.Atime_ns && syscall.OS != "plan9" {
- t.Errorf("Atime_ns didn't go backwards; was=%d, after=%d",
- preStat.Atime_ns,
- postStat.Atime_ns)
- }
-
- if postStat.Mtime_ns >= preStat.Mtime_ns {
- t.Errorf("Mtime_ns didn't go backwards; was=%d, after=%d",
- preStat.Mtime_ns,
- postStat.Mtime_ns)
- }
-}
-
-func TestChdirAndGetwd(t *testing.T) {
- // TODO(brainman): file.Chdir() is not implemented on windows.
- if syscall.OS == "windows" {
- return
- }
- fd, err := Open(".")
- if err != nil {
- t.Fatalf("Open .: %s", err)
- }
- // These are chosen carefully not to be symlinks on a Mac
- // (unlike, say, /var, /etc, and /tmp).
- dirs := []string{"/", "/usr/bin"}
- // /usr/bin does not usually exist on Plan 9.
- if syscall.OS == "plan9" {
- dirs = []string{"/", "/usr"}
- }
- for mode := 0; mode < 2; mode++ {
- for _, d := range dirs {
- if mode == 0 {
- err = Chdir(d)
- } else {
- fd1, err := Open(d)
- if err != nil {
- t.Errorf("Open %s: %s", d, err)
- continue
- }
- err = fd1.Chdir()
- fd1.Close()
- }
- pwd, err1 := Getwd()
- err2 := fd.Chdir()
- if err2 != nil {
- // We changed the current directory and cannot go back.
- // Don't let the tests continue; they'll scribble
- // all over some other directory.
- fmt.Fprintf(Stderr, "fchdir back to dot failed: %s\n", err2)
- Exit(1)
- }
- if err != nil {
- fd.Close()
- t.Fatalf("Chdir %s: %s", d, err)
- }
- if err1 != nil {
- fd.Close()
- t.Fatalf("Getwd in %s: %s", d, err1)
- }
- if pwd != d {
- fd.Close()
- t.Fatalf("Getwd returned %q want %q", pwd, d)
- }
- }
- }
- fd.Close()
-}
-
-func TestTime(t *testing.T) {
- // Just want to check that Time() is getting something.
- // A common failure mode on Darwin is to get 0, 0,
- // because it returns the time in registers instead of
- // filling in the structure passed to the system call.
- // Too bad the compiler doesn't know that
- // 365.24*86400 is an integer.
- sec, nsec, err := Time()
- if sec < (2009-1970)*36524*864 {
- t.Errorf("Time() = %d, %d, %s; not plausible", sec, nsec, err)
- }
-}
-
-func TestSeek(t *testing.T) {
- f := newFile("TestSeek", t)
- defer Remove(f.Name())
- defer f.Close()
-
- const data = "hello, world\n"
- io.WriteString(f, data)
-
- type test struct {
- in int64
- whence int
- out int64
- }
- var tests = []test{
- {0, 1, int64(len(data))},
- {0, 0, 0},
- {5, 0, 5},
- {0, 2, int64(len(data))},
- {0, 0, 0},
- {-1, 2, int64(len(data)) - 1},
- {1 << 33, 0, 1 << 33},
- {1 << 33, 2, 1<<33 + int64(len(data))},
- }
- for i, tt := range tests {
- off, err := f.Seek(tt.in, tt.whence)
- if off != tt.out || err != nil {
- if e, ok := err.(*PathError); ok && e.Error == EINVAL && tt.out > 1<<32 {
- // Reiserfs rejects the big seeks.
- // http://code.google.com/p/go/issues/detail?id=91
- break
- }
- t.Errorf("#%d: Seek(%v, %v) = %v, %v want %v, nil", i, tt.in, tt.whence, off, err, tt.out)
- }
- }
-}
-
-type openErrorTest struct {
- path string
- mode int
- error Error
-}
-
-var openErrorTests = []openErrorTest{
- {
- sfdir + "/no-such-file",
- O_RDONLY,
- ENOENT,
- },
- {
- sfdir,
- O_WRONLY,
- EISDIR,
- },
- {
- sfdir + "/" + sfname + "/no-such-file",
- O_WRONLY,
- ENOTDIR,
- },
-}
-
-func TestOpenError(t *testing.T) {
- for _, tt := range openErrorTests {
- f, err := OpenFile(tt.path, tt.mode, 0)
- if err == nil {
- t.Errorf("Open(%q, %d) succeeded", tt.path, tt.mode)
- f.Close()
- continue
- }
- perr, ok := err.(*PathError)
- if !ok {
- t.Errorf("Open(%q, %d) returns error of %T type; want *os.PathError", tt.path, tt.mode, err)
- }
- if perr.Error != tt.error {
- if syscall.OS == "plan9" {
- syscallErrStr := perr.Error.String()
- expectedErrStr := strings.Replace(tt.error.String(), "file ", "", 1)
- if !strings.HasSuffix(syscallErrStr, expectedErrStr) {
- t.Errorf("Open(%q, %d) = _, %q; want suffix %q", tt.path, tt.mode, syscallErrStr, expectedErrStr)
- }
- } else {
- t.Errorf("Open(%q, %d) = _, %q; want %q", tt.path, tt.mode, perr.Error.String(), tt.error.String())
- }
- }
- }
-}
-
-func run(t *testing.T, cmd []string) string {
- // Run /bin/hostname and collect output.
- r, w, err := Pipe()
- if err != nil {
- t.Fatal(err)
- }
- p, err := StartProcess("/bin/hostname", []string{"hostname"}, &ProcAttr{Files: []*File{nil, w, Stderr}})
- if err != nil {
- t.Fatal(err)
- }
- defer p.Release()
- w.Close()
-
- var b bytes.Buffer
- io.Copy(&b, r)
- p.Wait(0)
- output := b.String()
- if n := len(output); n > 0 && output[n-1] == '\n' {
- output = output[0 : n-1]
- }
- if output == "" {
- t.Fatalf("%v produced no output", cmd)
- }
-
- return output
-}
-
-
-func TestHostname(t *testing.T) {
- // There is no other way to fetch hostname on windows, but via winapi.
- // On Plan 9 it is can be taken from #c/sysname as Hostname() does.
- if syscall.OS == "windows" || syscall.OS == "plan9" {
- return
- }
- // Check internal Hostname() against the output of /bin/hostname.
- // Allow that the internal Hostname returns a Fully Qualified Domain Name
- // and the /bin/hostname only returns the first component
- hostname, err := Hostname()
- if err != nil {
- t.Fatalf("%v", err)
- }
- want := run(t, []string{"/bin/hostname"})
- if hostname != want {
- i := strings.Index(hostname, ".")
- if i < 0 || hostname[0:i] != want {
- t.Errorf("Hostname() = %q, want %q", hostname, want)
- }
- }
-}
-
-func TestReadAt(t *testing.T) {
- f := newFile("TestReadAt", t)
- defer Remove(f.Name())
- defer f.Close()
-
- const data = "hello, world\n"
- io.WriteString(f, data)
-
- b := make([]byte, 5)
- n, err := f.ReadAt(b, 7)
- if err != nil || n != len(b) {
- t.Fatalf("ReadAt 7: %d, %r", n, err)
- }
- if string(b) != "world" {
- t.Fatalf("ReadAt 7: have %q want %q", string(b), "world")
- }
-}
-
-func TestWriteAt(t *testing.T) {
- f := newFile("TestWriteAt", t)
- defer Remove(f.Name())
- defer f.Close()
-
- const data = "hello, world\n"
- io.WriteString(f, data)
-
- n, err := f.WriteAt([]byte("WORLD"), 7)
- if err != nil || n != 5 {
- t.Fatalf("WriteAt 7: %d, %v", n, err)
- }
-
- b, err := ioutil.ReadFile(f.Name())
- if err != nil {
- t.Fatalf("ReadFile %s: %v", f.Name(), err)
- }
- if string(b) != "hello, WORLD\n" {
- t.Fatalf("after write: have %q want %q", string(b), "hello, WORLD\n")
- }
-}
-
-func writeFile(t *testing.T, fname string, flag int, text string) string {
- f, err := OpenFile(fname, flag, 0666)
- if err != nil {
- t.Fatalf("Open: %v", err)
- }
- n, err := io.WriteString(f, text)
- if err != nil {
- t.Fatalf("WriteString: %d, %v", n, err)
- }
- f.Close()
- data, err := ioutil.ReadFile(fname)
- if err != nil {
- t.Fatalf("ReadFile: %v", err)
- }
- return string(data)
-}
-
-func TestAppend(t *testing.T) {
- const f = "append.txt"
- defer Remove(f)
- s := writeFile(t, f, O_CREATE|O_TRUNC|O_RDWR, "new")
- if s != "new" {
- t.Fatalf("writeFile: have %q want %q", s, "new")
- }
- s = writeFile(t, f, O_APPEND|O_RDWR, "|append")
- if s != "new|append" {
- t.Fatalf("writeFile: have %q want %q", s, "new|append")
- }
- s = writeFile(t, f, O_CREATE|O_APPEND|O_RDWR, "|append")
- if s != "new|append|append" {
- t.Fatalf("writeFile: have %q want %q", s, "new|append|append")
- }
- err := Remove(f)
- if err != nil {
- t.Fatalf("Remove: %v", err)
- }
- s = writeFile(t, f, O_CREATE|O_APPEND|O_RDWR, "new&append")
- if s != "new&append" {
- t.Fatalf("writeFile: after append have %q want %q", s, "new&append")
- }
- s = writeFile(t, f, O_CREATE|O_RDWR, "old")
- if s != "old&append" {
- t.Fatalf("writeFile: after create have %q want %q", s, "old&append")
- }
- s = writeFile(t, f, O_CREATE|O_TRUNC|O_RDWR, "new")
- if s != "new" {
- t.Fatalf("writeFile: after truncate have %q want %q", s, "new")
- }
-}
-
-func TestStatDirWithTrailingSlash(t *testing.T) {
- // Create new dir, in _test so it will get
- // cleaned up by make if not by us.
- path := "_test/_TestStatDirWithSlash_"
- err := MkdirAll(path, 0777)
- if err != nil {
- t.Fatalf("MkdirAll %q: %s", path, err)
- }
- defer RemoveAll(path)
-
- // Stat of path should succeed.
- _, err = Stat(path)
- if err != nil {
- t.Fatal("stat failed:", err)
- }
-
- // Stat of path+"/" should succeed too.
- _, err = Stat(path + "/")
- if err != nil {
- t.Fatal("stat failed:", err)
- }
-}
-
-func TestNilWaitmsgString(t *testing.T) {
- var w *Waitmsg
- s := w.String()
- if s != "<nil>" {
- t.Errorf("(*Waitmsg)(nil).String() = %q, want %q", s, "<nil>")
- }
-}
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-12 10:17:46 +0000