require_relative '../../spec_helper' describe 'String#+@' do it 'returns an unfrozen copy of a frozen String' do input = 'foo'.freeze output = +input output.should_not.frozen? output.should == 'foo' end it 'returns self if the String is not frozen' do input = 'foo' output = +input output.equal?(input).should == true end it 'returns mutable copy despite freeze-magic-comment in file' do ruby_exe(fixture(__FILE__, "freeze_magic_comment.rb")).should == 'mutable' end end