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require File.expand_path('../../../spec_helper', __FILE__)
ruby_version_is "1.9" do
describe "Regexp.try_convert" do
it "returns the argument if given a Regexp" do
Regexp.try_convert(/foo/s).should == /foo/s
end
it "returns nil if given an argument that can't be converted to a Regexp" do
['', 'glark', [], Object.new, :pat].each do |arg|
Regexp.try_convert(arg).should be_nil
end
end
it "tries to coerce the argument by calling #to_regexp" do
rex = mock('regexp')
rex.should_receive(:to_regexp).and_return(/(p(a)t[e]rn)/)
Regexp.try_convert(rex).should == /(p(a)t[e]rn)/
end
end
end
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