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require 'abstract_unit'
require 'active_support/core_ext/regexp'
class RegexpExtAccessTests < Test::Unit::TestCase
def test_number_of_captures
assert_equal 0, //.number_of_captures
assert_equal 1, /.(.)./.number_of_captures
assert_equal 2, /.(.).(?:.).(.)/.number_of_captures
assert_equal 3, /.((.).(?:.).(.))/.number_of_captures
end
def test_multiline
assert_equal true, //m.multiline?
assert_equal false, //.multiline?
assert_equal false, /(?m:)/.multiline?
end
def test_optionalize
assert_equal "a?", Regexp.optionalize("a")
assert_equal "(?:foo)?", Regexp.optionalize("foo")
assert_equal "", Regexp.optionalize("")
end
def test_unoptionalize
assert_equal "a", Regexp.unoptionalize("a?")
assert_equal "foo", Regexp.unoptionalize("(?:foo)?")
assert_equal "", Regexp.unoptionalize("")
end
end
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