diff options
author | 2017-11-19 21:10:04 -0800 | |
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committer | 2017-11-19 22:01:46 -0800 | |
commit | 8ffb773f43c8dc54801ca1d111854e7e881c93c9 (patch) | |
tree | 38133a2fc612597a75fed1d13e5b4042f58a2b7e /vendor/golang.org/x/sys/unix/syscall_linux_test.go |
First commit
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 | 230 |
1 files changed, 230 insertions, 0 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 new file mode 100644 index 0000000..84c69d2 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/syscall_linux_test.go @@ -0,0 +1,230 @@ +// 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" + "testing" + "time" + + "golang.org/x/sys/unix" +) + +func TestFchmodat(t *testing.T) { + defer chtmpdir(t)() + + touch(t, "file1") + os.Symlink("file1", "symlink1") + + 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) + } +} + +func TestUname(t *testing.T) { + var utsname unix.Utsname + err := unix.Uname(&utsname) + if err != nil { + t.Fatalf("Uname: %v", err) + } + + // conversion from []byte to string, golang.org/issue/20753 + t.Logf("OS: %s/%s %s", string(utsname.Sysname[:]), string(utsname.Machine[:]), string(utsname.Release[:])) +} + +// 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) + } +} |