diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_linux_test.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_linux_test.go | 439 |
1 files changed, 0 insertions, 439 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_test.go b/vendor/golang.org/x/sys/unix/syscall_linux_test.go deleted file mode 100644 index 78d28792d..000000000 --- a/vendor/golang.org/x/sys/unix/syscall_linux_test.go +++ /dev/null @@ -1,439 +0,0 @@ -// Copyright 2016 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. - -// +build linux - -package unix_test - -import ( - "io/ioutil" - "os" - "runtime" - "testing" - "time" - - "golang.org/x/sys/unix" -) - -func TestFchmodat(t *testing.T) { - defer chtmpdir(t)() - - touch(t, "file1") - err := os.Symlink("file1", "symlink1") - if err != nil { - t.Fatal(err) - } - - err = unix.Fchmodat(unix.AT_FDCWD, "symlink1", 0444, 0) - if err != nil { - t.Fatalf("Fchmodat: unexpected error: %v", err) - } - - fi, err := os.Stat("file1") - if err != nil { - t.Fatal(err) - } - - if fi.Mode() != 0444 { - t.Errorf("Fchmodat: failed to change mode: expected %v, got %v", 0444, fi.Mode()) - } - - err = unix.Fchmodat(unix.AT_FDCWD, "symlink1", 0444, unix.AT_SYMLINK_NOFOLLOW) - if err != unix.EOPNOTSUPP { - t.Fatalf("Fchmodat: unexpected error: %v, expected EOPNOTSUPP", err) - } -} - -func TestIoctlGetInt(t *testing.T) { - f, err := os.Open("/dev/random") - if err != nil { - t.Fatalf("failed to open device: %v", err) - } - defer f.Close() - - v, err := unix.IoctlGetInt(int(f.Fd()), unix.RNDGETENTCNT) - if err != nil { - t.Fatalf("failed to perform ioctl: %v", err) - } - - t.Logf("%d bits of entropy available", v) -} - -func TestPpoll(t *testing.T) { - f, cleanup := mktmpfifo(t) - defer cleanup() - - const timeout = 100 * time.Millisecond - - ok := make(chan bool, 1) - go func() { - select { - case <-time.After(10 * timeout): - t.Errorf("Ppoll: failed to timeout after %d", 10*timeout) - case <-ok: - } - }() - - fds := []unix.PollFd{{Fd: int32(f.Fd()), Events: unix.POLLIN}} - timeoutTs := unix.NsecToTimespec(int64(timeout)) - n, err := unix.Ppoll(fds, &timeoutTs, nil) - ok <- true - if err != nil { - t.Errorf("Ppoll: unexpected error: %v", err) - return - } - if n != 0 { - t.Errorf("Ppoll: wrong number of events: got %v, expected %v", n, 0) - return - } -} - -func TestTime(t *testing.T) { - var ut unix.Time_t - ut2, err := unix.Time(&ut) - if err != nil { - t.Fatalf("Time: %v", err) - } - if ut != ut2 { - t.Errorf("Time: return value %v should be equal to argument %v", ut2, ut) - } - - var now time.Time - - for i := 0; i < 10; i++ { - ut, err = unix.Time(nil) - if err != nil { - t.Fatalf("Time: %v", err) - } - - now = time.Now() - - if int64(ut) == now.Unix() { - return - } - } - - t.Errorf("Time: return value %v should be nearly equal to time.Now().Unix() %v", ut, now.Unix()) -} - -func TestUtime(t *testing.T) { - defer chtmpdir(t)() - - touch(t, "file1") - - buf := &unix.Utimbuf{ - Modtime: 12345, - } - - err := unix.Utime("file1", buf) - if err != nil { - t.Fatalf("Utime: %v", err) - } - - fi, err := os.Stat("file1") - if err != nil { - t.Fatal(err) - } - - if fi.ModTime().Unix() != 12345 { - t.Errorf("Utime: failed to change modtime: expected %v, got %v", 12345, fi.ModTime().Unix()) - } -} - -func TestUtimesNanoAt(t *testing.T) { - defer chtmpdir(t)() - - symlink := "symlink1" - os.Remove(symlink) - err := os.Symlink("nonexisting", symlink) - if err != nil { - t.Fatal(err) - } - - ts := []unix.Timespec{ - {Sec: 1111, Nsec: 2222}, - {Sec: 3333, Nsec: 4444}, - } - err = unix.UtimesNanoAt(unix.AT_FDCWD, symlink, ts, unix.AT_SYMLINK_NOFOLLOW) - if err != nil { - t.Fatalf("UtimesNanoAt: %v", err) - } - - var st unix.Stat_t - err = unix.Lstat(symlink, &st) - if err != nil { - t.Fatalf("Lstat: %v", err) - } - if st.Atim != ts[0] { - t.Errorf("UtimesNanoAt: wrong atime: %v", st.Atim) - } - if st.Mtim != ts[1] { - t.Errorf("UtimesNanoAt: wrong mtime: %v", st.Mtim) - } -} - -func TestGetrlimit(t *testing.T) { - var rlim unix.Rlimit - err := unix.Getrlimit(unix.RLIMIT_AS, &rlim) - if err != nil { - t.Fatalf("Getrlimit: %v", err) - } -} - -func TestSelect(t *testing.T) { - _, err := unix.Select(0, nil, nil, nil, &unix.Timeval{Sec: 0, Usec: 0}) - if err != nil { - t.Fatalf("Select: %v", err) - } - - dur := 150 * time.Millisecond - tv := unix.NsecToTimeval(int64(dur)) - start := time.Now() - _, err = unix.Select(0, nil, nil, nil, &tv) - took := time.Since(start) - if err != nil { - t.Fatalf("Select: %v", err) - } - - if took < dur { - t.Errorf("Select: timeout should have been at least %v, got %v", dur, took) - } -} - -func TestPselect(t *testing.T) { - _, err := unix.Pselect(0, nil, nil, nil, &unix.Timespec{Sec: 0, Nsec: 0}, nil) - if err != nil { - t.Fatalf("Pselect: %v", err) - } - - dur := 2500 * time.Microsecond - ts := unix.NsecToTimespec(int64(dur)) - start := time.Now() - _, err = unix.Pselect(0, nil, nil, nil, &ts, nil) - took := time.Since(start) - if err != nil { - t.Fatalf("Pselect: %v", err) - } - - if took < dur { - t.Errorf("Pselect: timeout should have been at least %v, got %v", dur, took) - } -} - -func TestFstatat(t *testing.T) { - defer chtmpdir(t)() - - touch(t, "file1") - - var st1 unix.Stat_t - err := unix.Stat("file1", &st1) - if err != nil { - t.Fatalf("Stat: %v", err) - } - - var st2 unix.Stat_t - err = unix.Fstatat(unix.AT_FDCWD, "file1", &st2, 0) - if err != nil { - t.Fatalf("Fstatat: %v", err) - } - - if st1 != st2 { - t.Errorf("Fstatat: returned stat does not match Stat") - } - - err = os.Symlink("file1", "symlink1") - if err != nil { - t.Fatal(err) - } - - err = unix.Lstat("symlink1", &st1) - if err != nil { - t.Fatalf("Lstat: %v", err) - } - - err = unix.Fstatat(unix.AT_FDCWD, "symlink1", &st2, unix.AT_SYMLINK_NOFOLLOW) - if err != nil { - t.Fatalf("Fstatat: %v", err) - } - - if st1 != st2 { - t.Errorf("Fstatat: returned stat does not match Lstat") - } -} - -func TestSchedSetaffinity(t *testing.T) { - runtime.LockOSThread() - defer runtime.UnlockOSThread() - - var oldMask unix.CPUSet - err := unix.SchedGetaffinity(0, &oldMask) - if err != nil { - t.Fatalf("SchedGetaffinity: %v", err) - } - - var newMask unix.CPUSet - newMask.Zero() - if newMask.Count() != 0 { - t.Errorf("CpuZero: didn't zero CPU set: %v", newMask) - } - cpu := 1 - newMask.Set(cpu) - if newMask.Count() != 1 || !newMask.IsSet(cpu) { - t.Errorf("CpuSet: didn't set CPU %d in set: %v", cpu, newMask) - } - cpu = 5 - newMask.Set(cpu) - if newMask.Count() != 2 || !newMask.IsSet(cpu) { - t.Errorf("CpuSet: didn't set CPU %d in set: %v", cpu, newMask) - } - newMask.Clear(cpu) - if newMask.Count() != 1 || newMask.IsSet(cpu) { - t.Errorf("CpuClr: didn't clear CPU %d in set: %v", cpu, newMask) - } - - err = unix.SchedSetaffinity(0, &newMask) - if err != nil { - t.Fatalf("SchedSetaffinity: %v", err) - } - - var gotMask unix.CPUSet - err = unix.SchedGetaffinity(0, &gotMask) - if err != nil { - t.Fatalf("SchedGetaffinity: %v", err) - } - - if gotMask != newMask { - t.Errorf("SchedSetaffinity: returned affinity mask does not match set affinity mask") - } - - // Restore old mask so it doesn't affect successive tests - err = unix.SchedSetaffinity(0, &oldMask) - if err != nil { - t.Fatalf("SchedSetaffinity: %v", err) - } -} - -func TestStatx(t *testing.T) { - var stx unix.Statx_t - err := unix.Statx(unix.AT_FDCWD, ".", 0, 0, &stx) - if err == unix.ENOSYS { - t.Skip("statx syscall is not available, skipping test") - } else if err != nil { - t.Fatalf("Statx: %v", err) - } - - defer chtmpdir(t)() - touch(t, "file1") - - var st unix.Stat_t - err = unix.Stat("file1", &st) - if err != nil { - t.Fatalf("Stat: %v", err) - } - - flags := unix.AT_STATX_SYNC_AS_STAT - err = unix.Statx(unix.AT_FDCWD, "file1", flags, unix.STATX_ALL, &stx) - if err != nil { - t.Fatalf("Statx: %v", err) - } - - if uint32(stx.Mode) != st.Mode { - t.Errorf("Statx: returned stat mode does not match Stat") - } - - atime := unix.StatxTimestamp{Sec: int64(st.Atim.Sec), Nsec: uint32(st.Atim.Nsec)} - ctime := unix.StatxTimestamp{Sec: int64(st.Ctim.Sec), Nsec: uint32(st.Ctim.Nsec)} - mtime := unix.StatxTimestamp{Sec: int64(st.Mtim.Sec), Nsec: uint32(st.Mtim.Nsec)} - - if stx.Atime != atime { - t.Errorf("Statx: returned stat atime does not match Stat") - } - if stx.Ctime != ctime { - t.Errorf("Statx: returned stat ctime does not match Stat") - } - if stx.Mtime != mtime { - t.Errorf("Statx: returned stat mtime does not match Stat") - } - - err = os.Symlink("file1", "symlink1") - if err != nil { - t.Fatal(err) - } - - err = unix.Lstat("symlink1", &st) - if err != nil { - t.Fatalf("Lstat: %v", err) - } - - err = unix.Statx(unix.AT_FDCWD, "symlink1", flags, unix.STATX_BASIC_STATS, &stx) - if err != nil { - t.Fatalf("Statx: %v", err) - } - - // follow symlink, expect a regulat file - if stx.Mode&unix.S_IFREG == 0 { - t.Errorf("Statx: didn't follow symlink") - } - - err = unix.Statx(unix.AT_FDCWD, "symlink1", flags|unix.AT_SYMLINK_NOFOLLOW, unix.STATX_ALL, &stx) - if err != nil { - t.Fatalf("Statx: %v", err) - } - - // follow symlink, expect a symlink - if stx.Mode&unix.S_IFLNK == 0 { - t.Errorf("Statx: unexpectedly followed symlink") - } - if uint32(stx.Mode) != st.Mode { - t.Errorf("Statx: returned stat mode does not match Lstat") - } - - atime = unix.StatxTimestamp{Sec: int64(st.Atim.Sec), Nsec: uint32(st.Atim.Nsec)} - ctime = unix.StatxTimestamp{Sec: int64(st.Ctim.Sec), Nsec: uint32(st.Ctim.Nsec)} - mtime = unix.StatxTimestamp{Sec: int64(st.Mtim.Sec), Nsec: uint32(st.Mtim.Nsec)} - - if stx.Atime != atime { - t.Errorf("Statx: returned stat atime does not match Lstat") - } - if stx.Ctime != ctime { - t.Errorf("Statx: returned stat ctime does not match Lstat") - } - if stx.Mtime != mtime { - t.Errorf("Statx: returned stat mtime does not match Lstat") - } -} - -// utilities taken from os/os_test.go - -func touch(t *testing.T, name string) { - f, err := os.Create(name) - if err != nil { - t.Fatal(err) - } - if err := f.Close(); err != nil { - t.Fatal(err) - } -} - -// chtmpdir changes the working directory to a new temporary directory and -// provides a cleanup function. Used when PWD is read-only. -func chtmpdir(t *testing.T) func() { - oldwd, err := os.Getwd() - if err != nil { - t.Fatalf("chtmpdir: %v", err) - } - d, err := ioutil.TempDir("", "test") - if err != nil { - t.Fatalf("chtmpdir: %v", err) - } - if err := os.Chdir(d); err != nil { - t.Fatalf("chtmpdir: %v", err) - } - return func() { - if err := os.Chdir(oldwd); err != nil { - t.Fatalf("chtmpdir: %v", err) - } - os.RemoveAll(d) - } -} |