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require './test/test_helper'
require 'backports/3.3.0/range/overlap'
class OverlapTest < Test::Unit::TestCase
def test_overlap?
assert_not_operator(0..2, :overlap?, -2..-1)
assert_not_operator(0..2, :overlap?, -2...0)
assert_operator(0..2, :overlap?, -1..0)
assert_operator(0..2, :overlap?, 1..2)
assert_operator(0..2, :overlap?, 2..3)
assert_not_operator(0..2, :overlap?, 3..4)
assert_not_operator(0...2, :overlap?, 2..3)
assert_operator(nil..0, :overlap?, -1..0)
assert_operator(nil...0, :overlap?, -1..0)
assert_operator(nil..0, :overlap?, 0..1)
assert_operator(nil..0, :overlap?, nil..1)
assert_not_operator(nil..0, :overlap?, 1..2)
assert_not_operator(nil...0, :overlap?, 0..1)
assert_not_operator(0..nil, :overlap?, -2..-1)
assert_not_operator(0..nil, :overlap?, nil...0)
assert_operator(0..nil, :overlap?, -1..0)
assert_operator(0..nil, :overlap?, nil..0)
assert_operator(0..nil, :overlap?, 0..1)
assert_operator(0..nil, :overlap?, 1..2)
assert_operator(0..nil, :overlap?, 1..nil)
assert_not_operator((1..3), :overlap?, ('a'..'d'))
assert_raise(TypeError) { (0..nil).overlap?(1) }
assert_raise(TypeError) { (0..nil).overlap?(nil) }
assert_operator((1..3), :overlap?, (2..4))
assert_operator((1...3), :overlap?, (2..3))
assert_operator((2..3), :overlap?, (1..2))
assert_operator((nil..3), :overlap?, (3..nil))
assert_operator((nil..nil), :overlap?, (3..nil))
assert_operator((nil...nil), :overlap?, (nil..nil))
assert_raise(TypeError) { (1..3).overlap?(1) }
assert_not_operator((1..2), :overlap?, (2...2))
assert_not_operator((2...2), :overlap?, (1..2))
assert_not_operator((4..1), :overlap?, (2..3))
assert_not_operator((4..1), :overlap?, (nil..3))
assert_not_operator((4..1), :overlap?, (2..nil))
assert_not_operator((1..4), :overlap?, (3..2))
assert_not_operator((nil..4), :overlap?, (3..2))
assert_not_operator((1..nil), :overlap?, (3..2))
assert_not_operator((4..5), :overlap?, (2..3))
assert_not_operator((4..5), :overlap?, (2...4))
assert_not_operator((1..2), :overlap?, (3..4))
assert_not_operator((1...3), :overlap?, (3..4))
assert_not_operator((4..5), :overlap?, (2..3))
assert_not_operator((4..5), :overlap?, (2...4))
assert_not_operator((1..2), :overlap?, (3..4))
assert_not_operator((1...3), :overlap?, (3..4))
assert_not_operator((nil...3), :overlap?, (3..nil))
end if ((nil..1) rescue false)
end
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