mirror of
https://github.com/go-sylixos/elvish.git
synced 2024-12-13 09:57:51 +08:00
49 lines
959 B
Go
49 lines
959 B
Go
//go:build !windows && !plan9
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// +build !windows,!plan9
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package cli_test
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import (
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"os"
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"testing"
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"golang.org/x/sys/unix"
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. "src.elv.sh/pkg/cli"
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)
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func TestTTYSignal(t *testing.T) {
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tty := NewTTY(os.Stdin, os.Stderr)
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sigch := tty.NotifySignals()
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err := unix.Kill(unix.Getpid(), unix.SIGUSR1)
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if err != nil {
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t.Skip("cannot send SIGUSR1 to myself:", err)
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}
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if sig := nextSig(sigch); sig != unix.SIGUSR1 {
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t.Errorf("Got signal %v, want SIGUSR1", sig)
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}
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tty.StopSignals()
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err = unix.Kill(unix.Getpid(), unix.SIGUSR2)
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if err != nil {
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t.Skip("cannot send SIGUSR2 to myself:", err)
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}
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if sig := nextSig(sigch); sig != nil {
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t.Errorf("Got signal %v, want nil", sig)
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}
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}
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// Gets the next signal from the channel, ignoring all SIGURG generated by the
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// Go runtime. See https://github.com/golang/go/issues/37942.
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func nextSig(sigch <-chan os.Signal) os.Signal {
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for {
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sig := <-sigch
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if sig != unix.SIGURG {
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return sig
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}
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}
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}
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