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require File.expand_path('../../../spec_helper', __FILE__)
describe "Fixnum#-@" do
it "returns self as a negative value" do
2.send(:-@).should == -2
-2.should == -2
-268435455.should == -268435455
(--5).should == 5
-8.send(:-@).should == 8
end
it "negates self at Fixnum/Bignum boundaries" do
fixnum_max.send(:-@).should == (0 - fixnum_max)
fixnum_min.send(:-@).should == (0 - fixnum_min)
end
end
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