diff options
Diffstat (limited to 'test/ruby')
| -rw-r--r-- | test/ruby/test_regexp.rb | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb index f13a900634..2bfbd9dff9 100644 --- a/test/ruby/test_regexp.rb +++ b/test/ruby/test_regexp.rb @@ -944,6 +944,38 @@ class TestRegexp < Test::Unit::TestCase assert_match_each(/\A((?<x>x)|(?<y>y))(?(<x>)y|x)\z/, conds, bug8583) end + def test_options_in_look_behind + assert_nothing_raised { + assert_match_at(/(?<=(?i)ab)cd/, "ABcd", [[2,4]]) + assert_match_at(/(?<=(?i:ab))cd/, "ABcd", [[2,4]]) + assert_match_at(/(?<!(?i)ab)cd/, "aacd", [[2,4]]) + assert_match_at(/(?<!(?i:ab))cd/, "aacd", [[2,4]]) + + assert_not_match(/(?<=(?i)ab)cd/, "ABCD") + assert_not_match(/(?<=(?i:ab))cd/, "ABCD") + assert_not_match(/(?<!(?i)ab)cd/, "ABcd") + assert_not_match(/(?<!(?i:ab))cd/, "ABcd") + } + end + + def assert_match_at(re, str, positions, msg = nil) + match = re.match(str) + + assert_not_nil match, message(msg) { + "Expected #{re.inspect} to match #{str.inspect}" + } + + if match + actual_positions = (0...match.size).map { |i| + [match.begin(i), match.end(i)] + } + + assert_equal positions, actual_positions, message(msg) { + "Expected #{re.inspect} to match #{str.inspect} at: #{positions.inspect}" + } + end + end + def assert_match_each(re, conds, msg = nil) errs = conds.select {|str, match| match ^ (re =~ str)} msg = message(msg) { |