require 'chronic'
require 'test/unit'

class TestRepeaterFortnight < Test::Unit::TestCase

	def setup
		@now = Time.local(2006, 8, 16, 14, 0, 0, 0)
	end

	def test_next_future
		fortnights = Chronic::RepeaterFortnight.new(:fortnight)
		fortnights.start = @now

		next_fortnight = fortnights.next(:future)
		assert_equal Time.local(2006, 8, 20), next_fortnight.begin
		assert_equal Time.local(2006, 9, 3), next_fortnight.end

		next_next_fortnight = fortnights.next(:future)
		assert_equal Time.local(2006, 9, 3), next_next_fortnight.begin
		assert_equal Time.local(2006, 9, 17), next_next_fortnight.end
	end

	def test_next_past
		fortnights = Chronic::RepeaterFortnight.new(:fortnight)
		fortnights.start = @now

		last_fortnight = fortnights.next(:past)
		assert_equal Time.local(2006, 7, 30), last_fortnight.begin
		assert_equal Time.local(2006, 8, 13), last_fortnight.end

		last_last_fortnight = fortnights.next(:past)
		assert_equal Time.local(2006, 7, 16), last_last_fortnight.begin
		assert_equal Time.local(2006, 7, 30), last_last_fortnight.end
	end

	def test_this_future
		fortnights = Chronic::RepeaterFortnight.new(:fortnight)
		fortnights.start = @now

		this_fortnight = fortnights.this(:future)
		assert_equal Time.local(2006, 8, 16, 15), this_fortnight.begin
		assert_equal Time.local(2006, 8, 27), this_fortnight.end
	end

	def test_this_past
		fortnights = Chronic::RepeaterFortnight.new(:fortnight)
		fortnights.start = @now

		this_fortnight = fortnights.this(:past)
		assert_equal Time.local(2006, 8, 13, 0), this_fortnight.begin
		assert_equal Time.local(2006, 8, 16, 14), this_fortnight.end
	end

	def test_offset
		span = Chronic::Span.new(@now, @now + 1)

		offset_span = Chronic::RepeaterFortnight.new(:week).offset(span, 3, :future)

		assert_equal Time.local(2006, 9, 27, 14), offset_span.begin
		assert_equal Time.local(2006, 9, 27, 14, 0, 1), offset_span.end
	end

end