Timeout isn't working as expected if both stdout and stderr are redirected

[dmeremyanin]

Describe the problem

Timeout isn't working as expected if both stdout and stderr are redirected.

Steps to reproduce the problem

TTY::Command.new(printer: :quiet).run!('sleep 5', timeout: 1, [:out, :err] => '/dev/null')

Actual behaviour

The code above doesn't fail. It takes 5 seconds to run and ignores the timeout option set to 1 second.

Expected behaviour

The code above should raise an exception.

Describe your environment

• OS version: macOS Ventura 13.5 / Debian 12
• Ruby version: 3.2.2
• TTY::Command version: 0.10.1