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require File.expand_path('../../../spec_helper', __FILE__)
ruby_version_is "2.3" do
describe 'String#+@' do
it 'returns an unfrozen copy of a frozen String' do
input = 'foo'.freeze
output = +input
output.frozen?.should == false
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
end
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