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require File.expand_path('../../../spec_helper', __FILE__)
require 'date'
describe "Date#prev_day" do
it "returns previous day" do
d = Date.new(2000, 7, 2).prev_day
d.should == Date.new(2000, 7, 1)
end
it "returns three days ago across months" do
d = Date.new(2000, 7, 2).prev_day(3)
d.should == Date.new(2000, 6, 29)
end
end
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