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22 lines
487 B
Ruby
22 lines
487 B
Ruby
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require File.expand_path('../../../spec_helper', __FILE__)
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ruby_version_is "2.3" do
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describe 'String#-@' do
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it 'returns self if the String is frozen' do
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input = 'foo'.freeze
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output = -input
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output.equal?(input).should == true
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output.frozen?.should == true
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end
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it 'returns a frozen copy if the String is not frozen' do
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input = 'foo'
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output = -input
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output.frozen?.should == true
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output.should == 'foo'
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end
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end
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end
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