diff options
author | Frédéric Guillot <fred@miniflux.net> | 2018-08-26 16:43:53 -0700 |
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committer | Frédéric Guillot <fred@miniflux.net> | 2018-08-26 16:43:53 -0700 |
commit | a3f3f51c60e91f22cc57ecc23cf828421d46b6b7 (patch) | |
tree | e037378ae0ca1f09cfb0eb46e289f28f857c2aed /vendor/golang.org/x/sys/unix/syscall_linux_test.go | |
parent | a9e9c347f4d385b4a297a45be96cddfc3a1c7814 (diff) |
Migrate to go modules (Go 1.11)
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 | 421 |
1 files changed, 0 insertions, 421 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 eed1726..0000000 --- a/vendor/golang.org/x/sys/unix/syscall_linux_test.go +++ /dev/null @@ -1,421 +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 ( - "os" - "runtime" - "runtime/debug" - "testing" - "time" - - "golang.org/x/sys/unix" -) - -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) { - if runtime.GOOS == "android" { - t.Skip("mkfifo syscall is not available on android, skipping test") - } - - 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) - } - - // Only check Mtim, Atim might not be supported by the underlying filesystem - expected := ts[1] - if st.Mtim.Nsec == 0 { - // Some filesystems only support 1-second time stamp resolution - // and will always set Nsec to 0. - expected.Nsec = 0 - } - if st.Mtim != expected { - t.Errorf("UtimesNanoAt: wrong mtime: expected %v, got %v", expected, st.Mtim) - } -} - -func TestRlimitAs(t *testing.T) { - // disable GC during to avoid flaky test - defer debug.SetGCPercent(debug.SetGCPercent(-1)) - - var rlim unix.Rlimit - err := unix.Getrlimit(unix.RLIMIT_AS, &rlim) - if err != nil { - t.Fatalf("Getrlimit: %v", err) - } - var zero unix.Rlimit - if zero == rlim { - t.Fatalf("Getrlimit: got zero value %#v", rlim) - } - set := rlim - set.Cur = uint64(unix.Getpagesize()) - err = unix.Setrlimit(unix.RLIMIT_AS, &set) - if err != nil { - t.Fatalf("Setrlimit: set failed: %#v %v", set, err) - } - - // RLIMIT_AS was set to the page size, so mmap()'ing twice the page size - // should fail. See 'man 2 getrlimit'. - _, err = unix.Mmap(-1, 0, 2*unix.Getpagesize(), unix.PROT_NONE, unix.MAP_ANON|unix.MAP_PRIVATE) - if err == nil { - t.Fatal("Mmap: unexpectedly suceeded after setting RLIMIT_AS") - } - - err = unix.Setrlimit(unix.RLIMIT_AS, &rlim) - if err != nil { - t.Fatalf("Setrlimit: restore failed: %#v %v", rlim, err) - } - - b, err := unix.Mmap(-1, 0, 2*unix.Getpagesize(), unix.PROT_NONE, unix.MAP_ANON|unix.MAP_PRIVATE) - if err != nil { - t.Fatalf("Mmap: %v", err) - } - err = unix.Munmap(b) - if err != nil { - t.Fatalf("Munmap: %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 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) - } - - if runtime.NumCPU() < 2 { - t.Skip("skipping setaffinity tests on single CPU system") - } - if runtime.GOOS == "android" { - t.Skip("skipping setaffinity tests on android") - } - - 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 || err == unix.EPERM { - 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") - } - - 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.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") - } - - 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.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") - } -} - -// stringsFromByteSlice converts a sequence of attributes to a []string. -// On Linux, each entry is a NULL-terminated string. -func stringsFromByteSlice(buf []byte) []string { - var result []string - off := 0 - for i, b := range buf { - if b == 0 { - result = append(result, string(buf[off:i])) - off = i + 1 - } - } - return result -} - -func TestFaccessat(t *testing.T) { - defer chtmpdir(t)() - touch(t, "file1") - - err := unix.Faccessat(unix.AT_FDCWD, "file1", unix.O_RDONLY, 0) - if err != nil { - t.Errorf("Faccessat: unexpected error: %v", err) - } - - err = unix.Faccessat(unix.AT_FDCWD, "file1", unix.O_RDONLY, 2) - if err != unix.EINVAL { - t.Errorf("Faccessat: unexpected error: %v, want EINVAL", err) - } - - err = unix.Faccessat(unix.AT_FDCWD, "file1", unix.O_RDONLY, unix.AT_EACCESS) - if err != unix.EOPNOTSUPP { - t.Errorf("Faccessat: unexpected error: %v, want EOPNOTSUPP", err) - } - - err = os.Symlink("file1", "symlink1") - if err != nil { - t.Fatal(err) - } - - err = unix.Faccessat(unix.AT_FDCWD, "symlink1", unix.O_RDONLY, unix.AT_SYMLINK_NOFOLLOW) - if err != unix.EOPNOTSUPP { - t.Errorf("Faccessat: unexpected error: %v, want EOPNOTSUPP", err) - } -} |