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