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require File.expand_path('../../../spec_helper', __FILE__)
require 'date'
describe "Date#next_month" do
it "returns the next month" do
d = Date.new(2000, 7, 1).next_month
d.should == Date.new(2000, 8, 1)
end
it "returns three months later" do
d = Date.new(2000, 7, 1).next_month(3)
d.should == Date.new(2000, 10, 1)
end
it "returns three months later across years" do
d = Date.new(2000, 12, 1).next_month(3)
d.should == Date.new(2001, 3, 1)
end
it "returns last day of month two months later" do
d = Date.new(2000, 1, 31).next_month(2)
d.should == Date.new(2000, 3, 31)
end
it "returns last day of next month when same day does not exist" do
d = Date.new(2001, 1, 30).next_month
d.should == Date.new(2001, 2, 28)
end
end
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