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require_relative '../../spec_helper'
describe "Signal.signame" do
it "takes a signal name with a well known signal number" do
Signal.signame(0).should == "EXIT"
end
it "returns nil if the argument is an invalid signal number" do
Signal.signame(-1).should == nil
end
it "calls #to_int on an object to convert to an Integer" do
obj = mock('signal')
obj.should_receive(:to_int).and_return(0)
Signal.signame(obj).should == "EXIT"
end
it "raises a TypeError when the passed argument can't be coerced to Integer" do
-> { Signal.signame("hello") }.should raise_error(TypeError)
end
it "raises a TypeError when the passed argument responds to #to_int but does not return an Integer" do
obj = mock('signal')
obj.should_receive(:to_int).and_return('not an int')
-> { Signal.signame(obj) }.should raise_error(TypeError)
end
platform_is_not :windows do
it "the original should take precedence over alias when looked up by number" do
Signal.signame(Signal.list["ABRT"]).should == "ABRT"
Signal.signame(Signal.list["CHLD"]).should == "CHLD"
end
end
end
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