signals/exception_construction.rb

tests/_examples/signals/exception_construction.rb in the metorex repository.

by_number = SignalException.new Signal.list["INT"]
puts by_number.signm
puts by_number.message
puts by_number.signo == Signal.list["INT"]

puts SignalException.new("INT").signm
puts SignalException.new("SIGINT").signm
puts SignalException.new(:TERM).signm
puts SignalException.new(:SIGTERM).signm

named = SignalException.new Signal.list["INT"], "custom name"
puts named.signm
puts named.message
puts named.signo == Signal.list["INT"]

def rejected
  yield
rescue ArgumentError => error
  error.message
end

puts rejected { SignalException.new 100000 }
puts rejected { SignalException.new "NONEXISTENT" }
puts rejected { SignalException.new :NONEXISTENT }
puts rejected { SignalException.new Object.new }
puts rejected { SignalException.new "INT", "name" }

interrupt = Interrupt.new "still a message"
puts interrupt.signm
puts interrupt.signo == Signal.list["INT"]

Output:

SIGINT
SIGINT
true
SIGINT
SIGINT
SIGTERM
SIGTERM
custom name
custom name
true
invalid signal number 100000
invalid signal name NONEXISTENT
invalid signal name NONEXISTENT
bad signal type Object
wrong number of arguments (given 2, expected 1)
still a message
true