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require File.expand_path('../../../spec_helper', __FILE__)
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
lambda { Date.civil(2007,2,27) + :hello }.should raise_error(TypeError)
end
it "raises a TypeError when passed a String" do
lambda { Date.civil(2007,2,27) + "hello" }.should raise_error(TypeError)
end
it "raises a TypeError when passed a Date" do
lambda { Date.civil(2007,2,27) + Date.new }.should raise_error(TypeError)
end
it "raises a TypeError when passed an Object" do
lambda { Date.civil(2007,2,27) + Object.new }.should raise_error(TypeError)
end
end
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