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|
package termios
import (
"flag"
"os"
"runtime"
"syscall"
"testing"
)
var dev = flag.String("device", "/dev/tty", "device to use")
func TestTcgetattr(t *testing.T) {
f := opendev(t)
defer f.Close()
var termios syscall.Termios
if err := Tcgetattr(f.Fd(), &termios); err != nil {
t.Fatal(err)
}
}
func TestTcsetattr(t *testing.T) {
f := opendev(t)
defer f.Close()
var termios syscall.Termios
if err := Tcgetattr(f.Fd(), &termios); err != nil {
t.Fatal(err)
}
for _, opt := range []uintptr{TCSANOW, TCSADRAIN, TCSAFLUSH} {
if err := Tcsetattr(f.Fd(), opt, &termios); err != nil {
t.Fatal(err)
}
}
}
func TestTcsendbreak(t *testing.T) {
f := opendev(t)
defer f.Close()
if err := Tcsendbreak(f.Fd(), 0); err != nil {
t.Fatal(err)
}
}
func TestTcdrain(t *testing.T) {
f := opendev(t)
defer f.Close()
if err := Tcdrain(f.Fd()); err != nil {
t.Fatal(err)
}
}
func TestTiocmget(t *testing.T) {
f := opendev(t)
defer f.Close()
var status int
if err := Tiocmget(f.Fd(), &status); err != nil {
checktty(t, err)
t.Fatal(err)
}
}
func TestTiocmset(t *testing.T) {
f := opendev(t)
defer f.Close()
var status int
if err := Tiocmget(f.Fd(), &status); err != nil {
checktty(t, err)
t.Fatal(err)
}
if err := Tiocmset(f.Fd(), &status); err != nil {
checktty(t, err)
t.Fatal(err)
}
}
func TestTiocmbis(t *testing.T) {
f := opendev(t)
defer f.Close()
status := 0
if err := Tiocmbis(f.Fd(), &status); err != nil {
checktty(t, err)
t.Fatal(err)
}
}
func TestTiocmbic(t *testing.T) {
f := opendev(t)
defer f.Close()
status := 0
if err := Tiocmbic(f.Fd(), &status); err != nil {
checktty(t, err)
t.Fatal(err)
}
}
func TestTiocinq(t *testing.T) {
f := opendev(t)
defer f.Close()
var inq int
if err := Tiocinq(f.Fd(), &inq); err != nil {
t.Fatal(err)
}
if inq != 0 {
t.Fatalf("Expected 0 bytes, got %v", inq)
}
}
func TestTiocoutq(t *testing.T) {
f := opendev(t)
defer f.Close()
var inq int
if err := Tiocoutq(f.Fd(), &inq); err != nil {
t.Fatal(err)
}
if inq != 0 {
t.Fatalf("Expected 0 bytes, got %v", inq)
}
}
func TestCfgetispeed(t *testing.T) {
f := opendev(t)
defer f.Close()
var termios syscall.Termios
if err := Tcgetattr(f.Fd(), &termios); err != nil {
t.Fatal(err)
}
if baud := Cfgetispeed(&termios); baud == 0 && runtime.GOOS != "linux" {
t.Fatalf("Cfgetispeed: expected > 0, got %v", baud)
}
}
func TestCfgetospeed(t *testing.T) {
f := opendev(t)
defer f.Close()
var termios syscall.Termios
if err := Tcgetattr(f.Fd(), &termios); err != nil {
t.Fatal(err)
}
if baud := Cfgetospeed(&termios); baud == 0 && runtime.GOOS != "linux" {
t.Fatalf("Cfgetospeed: expected > 0, got %v", baud)
}
}
func opendev(t *testing.T) *os.File {
_, pts, err := Pty()
if err != nil {
t.Fatal(err)
}
return pts
}
func checktty(t *testing.T, err error) {
// some ioctls fail against char devices if they do not
// support a particular feature
if ((runtime.GOOS == "darwin" || runtime.GOOS == "linux") && err == syscall.ENOTTY) || (runtime.GOOS == "linux" && err == syscall.EINVAL) {
t.Skip(err)
}
}
|
