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require File.expand_path('../../../spec_helper', __FILE__)
describe "Fixnum#succ" do
it "returns the next larger positive Fixnum" do
2.succ.should == 3
end
it "returns the next larger negative Fixnum" do
(-2).succ.should == -1
end
it "overflows a Fixnum to a Bignum" do
fixnum_max.succ.should == (fixnum_max + 1)
end
end
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