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require_relative '../../../spec_helper'
describe :symbol_succ, shared: true do
it "returns a successor" do
:abcd.send(@method).should == :abce
:THX1138.send(@method).should == :THX1139
end
it "propagates a 'carry'" do
:"1999zzz".send(@method).should == :"2000aaa"
:ZZZ9999.send(@method).should == :AAAA0000
end
it "increments non-alphanumeric characters when no alphanumeric characters are present" do
:"<<koala>>".send(@method).should == :"<<koalb>>"
:"***".send(@method).should == :"**+"
end
end
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