require_relative '../../spec_helper' require 'date' describe "Date#+" do it "adds the number of days to a Date" do d = Date.civil(2007,2,27) + 10 d.should == Date.civil(2007, 3, 9) end it "adds a negative number of days to a Date" do d = Date.civil(2007,2,27).+(-10) d.should == Date.civil(2007, 2, 17) end it "raises a TypeError when passed a Symbol" do -> { Date.civil(2007,2,27) + :hello }.should raise_error(TypeError) end it "raises a TypeError when passed a String" do -> { Date.civil(2007,2,27) + "hello" }.should raise_error(TypeError) end it "raises a TypeError when passed a Date" do -> { Date.civil(2007,2,27) + Date.new }.should raise_error(TypeError) end it "raises a TypeError when passed an Object" do -> { Date.civil(2007,2,27) + Object.new }.should raise_error(TypeError) end end