60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
package serialport
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import (
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"testing"
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"golang.org/x/sys/unix"
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)
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func TestConfigureRaw115200OverridesInheritedBaud(t *testing.T) {
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var termios unix.Termios
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termios.Iflag = unix.IGNBRK | unix.ICRNL
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termios.Oflag = unix.OPOST
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termios.Lflag = unix.ICANON | unix.ECHO
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termios.Cflag = unix.B9600 | unix.CS8 | unix.CREAD | unix.CLOCAL | unix.HUPCL
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termios.Ispeed = unix.B9600
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termios.Ospeed = unix.B9600
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configureRaw115200(&termios)
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if got := termios.Cflag & unix.CBAUD; got != unix.B115200 {
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t.Fatalf("effective baud bits=%#o want %#o", got, unix.B115200)
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}
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if got := termios.Cflag & unix.CSIZE; got != unix.CS8 {
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t.Fatalf("character size bits=%#o want %#o", got, unix.CS8)
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}
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for _, flag := range []uint32{unix.CREAD, unix.CLOCAL} {
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if termios.Cflag&flag == 0 {
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t.Fatalf("flag %#o lost", flag)
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}
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}
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for _, flag := range []uint32{unix.PARENB, unix.CSTOPB, unix.CRTSCTS} {
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if termios.Cflag&flag != 0 {
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t.Fatalf("flag %#o must be cleared", flag)
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}
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}
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if termios.Iflag != 0 || termios.Oflag != 0 || termios.Lflag != 0 {
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t.Fatal("raw mode must clear Iflag, Oflag and Lflag")
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}
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if termios.Ispeed != unix.B115200 || termios.Ospeed != unix.B115200 {
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t.Fatalf("speed fields=%d/%d want 115200/115200", termios.Ispeed, termios.Ospeed)
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}
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if termios.Cc[unix.VMIN] != 1 || termios.Cc[unix.VTIME] != 0 {
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t.Fatalf("VMIN=%d VTIME=%d want 1/0", termios.Cc[unix.VMIN], termios.Cc[unix.VTIME])
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}
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}
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func TestVerifyBaudAcceptsOnlyConfiguredLineSpeed(t *testing.T) {
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var inherited unix.Termios
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inherited.Cflag = unix.B9600 | unix.CS8
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if err := verifyBaud(inherited, unix.B115200); err == nil {
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t.Fatal("inherited 9600 line speed must fail verification")
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}
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var configured unix.Termios
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configured.Cflag = unix.B115200 | unix.CS8 | unix.CREAD
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if err := verifyBaud(configured, unix.B115200); err != nil {
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t.Fatalf("115200 line speed must verify: %v", err)
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}
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}
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