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require File.expand_path('../../../spec_helper', __FILE__)
describe "Fixnum#+" do
it "returns self plus the given Integer" do
(491 + 2).should == 493
(90210 + 10).should == 90220
(9 + bignum_value).should == 9223372036854775817
(1001 + 5.219).should == 1006.219
end
it "raises a TypeError when given a non-Integer" do
lambda {
(obj = mock('10')).should_receive(:to_int).any_number_of_times.and_return(10)
13 + obj
}.should raise_error(TypeError)
lambda { 13 + "10" }.should raise_error(TypeError)
lambda { 13 + :symbol }.should raise_error(TypeError)
end
end
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