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 | 76 |
1 files changed, 76 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 index 2238b658d..91184cae0 100644 --- a/vendor/golang.org/x/sys/unix/syscall_linux_test.go +++ b/vendor/golang.org/x/sys/unix/syscall_linux_test.go @@ -15,6 +15,82 @@ import ( "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) |