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require File.expand_path('../../../spec_helper', __FILE__)
describe "Integer#pred" do
it "returns the Integer equal to self - 1" do
0.pred.should eql(-1)
-1.pred.should eql(-2)
bignum_value.pred.should eql(bignum_value(-1))
fixnum_min.pred.should eql(fixnum_min - 1)
20.pred.should eql(19)
end
end
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