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describe :integer_next, :shared => true do
it "returns the next larger positive Fixnum" do
2.send(@method).should == 3
end
it "returns the next larger negative Fixnum" do
(-2).send(@method).should == -1
end
it "returns the next larger positive Bignum" do
bignum_value.send(@method).should == bignum_value(1)
end
it "returns the next larger negative Bignum" do
(-bignum_value(1)).send(@method).should == -bignum_value
end
it "overflows a Fixnum to a Bignum" do
fixnum_max.send(@method).should == fixnum_max + 1
end
it "underflows a Bignum to a Fixnum" do
(fixnum_min - 1).send(@method).should == fixnum_min
end
end
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