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 | 186 |
1 files changed, 186 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..91184ca --- /dev/null +++ b/vendor/golang.org/x/sys/unix/syscall_linux_test.go @@ -0,0 +1,186 @@ +// 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 TestPoll(t *testing.T) { + f, cleanup := mktmpfifo(t) + defer cleanup() + + const timeout = 100 + + ok := make(chan bool, 1) + go func() { + select { + case <-time.After(10 * timeout * time.Millisecond): + t.Errorf("Poll: failed to timeout after %d milliseconds", 10*timeout) + case <-ok: + } + }() + + fds := []unix.PollFd{{Fd: int32(f.Fd()), Events: unix.POLLIN}} + n, err := unix.Poll(fds, timeout) + ok <- true + if err != nil { + t.Errorf("Poll: unexpected error: %v", err) + return + } + if n != 0 { + t.Errorf("Poll: wrong number of events: got %v, expected %v", n, 0) + return + } +} + +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 + } +} + +// mktmpfifo creates a temporary FIFO and provides a cleanup function. +func mktmpfifo(t *testing.T) (*os.File, func()) { + err := unix.Mkfifo("fifo", 0666) + if err != nil { + t.Fatalf("mktmpfifo: failed to create FIFO: %v", err) + } + + f, err := os.OpenFile("fifo", os.O_RDWR, 0666) + if err != nil { + os.Remove("fifo") + t.Fatalf("mktmpfifo: failed to open FIFO: %v", err) + } + + return f, func() { + f.Close() + os.Remove("fifo") + } +} + +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 TestGetrlimit(t *testing.T) { + var rlim unix.Rlimit + err := unix.Getrlimit(unix.RLIMIT_AS, &rlim) + if err != nil { + t.Fatalf("Getrlimit: %v", err) + } +} + +// 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) + } +} |