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require File.expand_path('../../../spec_helper', __FILE__)
describe "Signal.signame" do
it "takes a signal name with a well known signal number" do
Signal.signame(0).should == "EXIT"
end
ruby_version_is "2.0"..."2.3" do
it "raises an ArgumentError if the argument is an invalid signal number" do
lambda { Signal.signame(-1) }.should raise_error(ArgumentError)
end
end
ruby_version_is "2.3" do
it "returns nil if the argument is an invalid signal number" do
Signal.signame(-1).should == nil
end
end
it "raises a TypeError when the passed argument can't be coerced to Integer" do
lambda { Signal.signame("hello") }.should raise_error(TypeError)
end
end
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