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require File.expand_path('../../../spec_helper', __FILE__)
describe "Interrupt" do
it "is a subclass of SignalException" do
Interrupt.superclass.should == SignalException
end
end
describe "Interrupt.new" do
it "returns an instance of interrupt with no message given" do
e = Interrupt.new
e.signo.should == Signal.list["INT"]
e.signm.should == "Interrupt"
end
it "takes an optional message argument" do
e = Interrupt.new("message")
e.signo.should == Signal.list["INT"]
e.signm.should == "message"
end
end
describe "rescueing Interrupt" do
before do
@original_sigint_proc = Signal.trap(:INT, :SIG_DFL)
end
after do
Signal.trap(:INT, @original_sigint_proc)
end
it "raises an Interrupt when sent a signal SIGINT" do
begin
Process.kill :INT, Process.pid
sleep
rescue Interrupt => e
e.signo.should == Signal.list["INT"]
e.signm.should == ""
end
end
end
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