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describe :process_exit, shared: true do
it "raises a SystemExit with status 0" do
lambda { @object.exit }.should raise_error(SystemExit) { |e|
e.status.should == 0
}
end
it "raises a SystemExit with the specified status" do
[-2**16, -2**8, -8, -1, 0, 1 , 8, 2**8, 2**16].each do |value|
lambda { @object.exit(value) }.should raise_error(SystemExit) { |e|
e.status.should == value
}
end
end
it "raises a SystemExit with the specified boolean status" do
{ true => 0, false => 1 }.each do |value, status|
lambda { @object.exit(value) }.should raise_error(SystemExit) { |e|
e.status.should == status
}
end
end
it "tries to convert the passed argument to an Integer using #to_int" do
obj = mock('5')
obj.should_receive(:to_int).and_return(5)
lambda { @object.exit(obj) }.should raise_error(SystemExit) { |e|
e.status.should == 5
}
end
it "converts the passed Float argument to an Integer" do
{ -2.2 => -2, -0.1 => 0, 5.5 => 5, 827.999 => 827 }.each do |value, status|
lambda { @object.exit(value) }.should raise_error(SystemExit) { |e|
e.status.should == status
}
end
end
it "raises TypeError if can't convert the argument to an Integer" do
lambda { @object.exit(Object.new) }.should raise_error(TypeError)
lambda { @object.exit('0') }.should raise_error(TypeError)
lambda { @object.exit([0]) }.should raise_error(TypeError)
lambda { @object.exit(nil) }.should raise_error(TypeError)
end
it "raises the SystemExit in the main thread if it reaches the top-level handler of another thread" do
ScratchPad.record []
ready = false
t = Thread.new {
Thread.pass until ready
begin
@object.exit 42
rescue SystemExit => e
ScratchPad << :in_thread
raise e
end
}
begin
ready = true
sleep
rescue SystemExit
ScratchPad << :in_main
end
ScratchPad.recorded.should == [:in_thread, :in_main]
# the thread also keeps the exception as its value
lambda { t.value }.should raise_error(SystemExit)
end
end
describe :process_exit!, shared: true do
it "exits with the given status" do
out = ruby_exe("#{@object}.send(:exit!, 21)", args: '2>&1')
out.should == ""
$?.exitstatus.should == 21
end
it "exits when called from a thread" do
out = ruby_exe("Thread.new { #{@object}.send(:exit!, 21) }.join; sleep", args: '2>&1')
out.should == ""
$?.exitstatus.should == 21
end
it "exits when called from a fiber" do
out = ruby_exe("Fiber.new { #{@object}.send(:exit!, 21) }.resume", args: '2>&1')
out.should == ""
$?.exitstatus.should == 21
end
end
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