diff options
author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
commit | 0dc342de848a642ecce8db697b8fecd83a63e117 (patch) | |
tree | 2b7ed4724aff1f86073e4740134bda9c4aac1a39 /trunk/test/ruby/test_regexp.rb | |
parent | ef70cf7138ab8034b5b806f466e4b484b24f0f88 (diff) |
added tag v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/test/ruby/test_regexp.rb')
-rw-r--r-- | trunk/test/ruby/test_regexp.rb | 758 |
1 files changed, 758 insertions, 0 deletions
diff --git a/trunk/test/ruby/test_regexp.rb b/trunk/test/ruby/test_regexp.rb new file mode 100644 index 0000000000..ad222c5483 --- /dev/null +++ b/trunk/test/ruby/test_regexp.rb @@ -0,0 +1,758 @@ +require 'test/unit' + +class TestRegexp < Test::Unit::TestCase + def setup + @verbose = $VERBOSE + $VERBOSE = nil + end + + def teardown + $VERBOSE = @verbose + end + + def test_ruby_dev_24643 + assert_nothing_raised("[ruby-dev:24643]") { + /(?:(?:[a]*[a])?b)*a*$/ =~ "aabaaca" + } + end + + def test_ruby_talk_116455 + assert_match(/^(\w{2,}).* ([A-Za-z\xa2\xc0-\xff]{2,}?)$/n, "Hallo Welt") + end + + def test_ruby_dev_24887 + assert_equal("a".gsub(/a\Z/, ""), "") + end + + def test_yoshidam_net_20041111_1 + s = "[\xC2\xA0-\xC3\xBE]" + assert_match(Regexp.new(s, nil, "u"), "\xC3\xBE") + end + + def test_yoshidam_net_20041111_2 + assert_raise(RegexpError) do + s = "[\xFF-\xFF]".force_encoding("utf-8") + Regexp.new(s, nil, "u") + end + end + + def test_ruby_dev_31309 + assert_equal('Ruby', 'Ruby'.sub(/[^a-z]/i, '-')) + end + + def test_assert_normal_exit + # moved from knownbug. It caused core. + Regexp.union("a", "a") + end + + def test_to_s + assert_equal '(?-mix:\x00)', Regexp.new("\0").to_s + end + + def test_union + assert_equal :ok, begin + Regexp.union( + "a", + Regexp.new("\xc2\xa1".force_encoding("euc-jp")), + Regexp.new("\xc2\xa1".force_encoding("utf-8"))) + :ng + rescue ArgumentError + :ok + end + end + + def test_named_capture + m = /&(?<foo>.*?);/.match("aaa & yyy") + assert_equal("amp", m["foo"]) + assert_equal("amp", m[:foo]) + assert_equal(5, m.begin(:foo)) + assert_equal(8, m.end(:foo)) + assert_equal([5,8], m.offset(:foo)) + + assert_equal("aaa [amp] yyy", + "aaa & yyy".sub(/&(?<foo>.*?);/, '[\k<foo>]')) + + assert_equal('#<MatchData "& y" foo:"amp">', + /&(?<foo>.*?); (y)/.match("aaa & yyy").inspect) + assert_equal('#<MatchData "& y" 1:"amp" 2:"y">', + /&(.*?); (y)/.match("aaa & yyy").inspect) + assert_equal('#<MatchData "& y" foo:"amp" bar:"y">', + /&(?<foo>.*?); (?<bar>y)/.match("aaa & yyy").inspect) + assert_equal('#<MatchData "& y" foo:"amp" foo:"y">', + /&(?<foo>.*?); (?<foo>y)/.match("aaa & yyy").inspect) + + /(?<id>[A-Za-z_]+)/ =~ "!abc" + assert_equal("abc", Regexp.last_match(:id)) + + /a/ =~ "b" # doesn't match. + assert_equal(nil, Regexp.last_match) + assert_equal(nil, Regexp.last_match(1)) + assert_equal(nil, Regexp.last_match(:foo)) + + assert_equal(["foo", "bar"], /(?<foo>.)(?<bar>.)/.names) + assert_equal(["foo"], /(?<foo>.)(?<foo>.)/.names) + assert_equal([], /(.)(.)/.names) + + assert_equal(["foo", "bar"], /(?<foo>.)(?<bar>.)/.match("ab").names) + assert_equal(["foo"], /(?<foo>.)(?<foo>.)/.match("ab").names) + assert_equal([], /(.)(.)/.match("ab").names) + + assert_equal({"foo"=>[1], "bar"=>[2]}, + /(?<foo>.)(?<bar>.)/.named_captures) + assert_equal({"foo"=>[1, 2]}, + /(?<foo>.)(?<foo>.)/.named_captures) + assert_equal({}, /(.)(.)/.named_captures) + + assert_equal("a[b]c", "abc".sub(/(?<x>[bc])/, "[\\k<x>]")) + end + + def test_assign_named_capture + assert_equal("a", eval('/(?<foo>.)/ =~ "a"; foo')) + assert_equal("a", eval('foo = 1; /(?<foo>.)/ =~ "a"; foo')) + assert_equal("a", eval('1.times {|foo| /(?<foo>.)/ =~ "a"; break foo }')) + assert_nothing_raised { eval('/(?<Foo>.)/ =~ "a"') } + assert_nil(eval('/(?<Foo>.)/ =~ "a"; defined? Foo')) + end + + def test_assign_named_capture_to_reserved_word + /(?<nil>.)/ =~ "a" + assert(!local_variables.include?(:nil), "[ruby-dev:32675]") + end + + def test_match_regexp + r = /./ + m = r.match("a") + assert_equal(r, m.regexp) + re = /foo/ + assert_equal(re, re.match("foo").regexp) + end + + def test_source + assert_equal('', //.source) + end + + def test_inspect + assert_equal('//', //.inspect) + assert_equal('//i', //i.inspect) + assert_equal('/\//i', /\//i.inspect) + assert_equal('/\//i', /#{'/'}/i.inspect) + assert_equal('/\/x/i', /\/x/i.inspect) + assert_equal('/\x00/i', /#{"\0"}/i.inspect) + assert_equal("/\n/i", /#{"\n"}/i.inspect) + s = [0xff].pack("C") + assert_equal('/\/'+s+'/i', /\/#{s}/i.inspect) + end + + def test_char_to_option + assert_equal("BAR", "FOOBARBAZ"[/b../i]) + assert_equal("bar", "foobarbaz"[/ b . . /x]) + assert_equal("bar\n", "foo\nbar\nbaz"[/b.../m]) + assert_raise(SyntaxError) { eval('//z') } + end + + def test_char_to_option_kcode + assert_equal("bar", "foobarbaz"[/b../s]) + assert_equal("bar", "foobarbaz"[/b../e]) + assert_equal("bar", "foobarbaz"[/b../u]) + end + + def test_to_s2 + assert_equal('(?-mix:foo)', /(?:foo)/.to_s) + assert_equal('(?m-ix:foo)', /(?:foo)/m.to_s) + assert_equal('(?mi-x:foo)', /(?:foo)/mi.to_s) + assert_equal('(?mix:foo)', /(?:foo)/mix.to_s) + assert_equal('(?m-ix:foo)', /(?m-ix:foo)/.to_s) + assert_equal('(?mi-x:foo)', /(?mi-x:foo)/.to_s) + assert_equal('(?mix:foo)', /(?mix:foo)/.to_s) + assert_equal('(?mix:)', /(?mix)/.to_s) + assert_equal('(?-mix:(?mix:foo) )', /(?mix:foo) /.to_s) + end + + def test_casefold_p + assert_equal(false, /a/.casefold?) + assert_equal(true, /a/i.casefold?) + assert_equal(false, /(?i:a)/.casefold?) + end + + def test_options + assert_equal(Regexp::IGNORECASE, /a/i.options) + assert_equal(Regexp::EXTENDED, /a/x.options) + assert_equal(Regexp::MULTILINE, /a/m.options) + end + + def test_match_init_copy + m = /foo/.match("foo") + assert_equal(/foo/, m.dup.regexp) + assert_raise(TypeError) do + m.instance_eval { initialize_copy(nil) } + end + assert_equal([0, 3], m.offset(0)) + assert_equal(/foo/, m.dup.regexp) + end + + def test_match_size + m = /(.)(.)(\d+)(\d)/.match("THX1138.") + assert_equal(5, m.size) + end + + def test_match_offset_begin_end + m = /(?<x>b..)/.match("foobarbaz") + assert_equal([3, 6], m.offset("x")) + assert_equal(3, m.begin("x")) + assert_equal(6, m.end("x")) + assert_raise(IndexError) { m.offset("y") } + assert_raise(IndexError) { m.offset(2) } + assert_raise(IndexError) { m.begin(2) } + assert_raise(IndexError) { m.end(2) } + + m = /(?<x>q..)?/.match("foobarbaz") + assert_equal([nil, nil], m.offset("x")) + assert_equal(nil, m.begin("x")) + assert_equal(nil, m.end("x")) + + m = /\A\u3042(.)(.)?(.)\z/.match("\u3042\u3043\u3044") + assert_equal([1, 2], m.offset(1)) + assert_equal([nil, nil], m.offset(2)) + assert_equal([2, 3], m.offset(3)) + end + + def test_match_to_s + m = /(?<x>b..)/.match("foobarbaz") + assert_equal("bar", m.to_s) + end + + def test_match_pre_post + m = /(?<x>b..)/.match("foobarbaz") + assert_equal("foo", m.pre_match) + assert_equal("baz", m.post_match) + end + + def test_match_array + m = /(...)(...)(...)(...)?/.match("foobarbaz") + assert_equal(["foobarbaz", "foo", "bar", "baz", nil], m.to_a) + end + + def test_match_captures + m = /(...)(...)(...)(...)?/.match("foobarbaz") + assert_equal(["foo", "bar", "baz", nil], m.captures) + end + + def test_match_aref + m = /(...)(...)(...)(...)?/.match("foobarbaz") + assert_equal("foo", m[1]) + assert_equal(["foo", "bar", "baz"], m[1..3]) + assert_nil(m[5]) + assert_raise(IndexError) { m[:foo] } + end + + def test_match_values_at + m = /(...)(...)(...)(...)?/.match("foobarbaz") + assert_equal(["foo", "bar", "baz"], m.values_at(1, 2, 3)) + end + + def test_match_string + m = /(?<x>b..)/.match("foobarbaz") + assert_equal("foobarbaz", m.string) + end + + def test_match_inspect + m = /(...)(...)(...)(...)?/.match("foobarbaz") + assert_equal('#<MatchData "foobarbaz" 1:"foo" 2:"bar" 3:"baz" 4:nil>', m.inspect) + end + + def test_initialize + assert_raise(ArgumentError) { Regexp.new } + assert_equal(/foo/, Regexp.new(/foo/, Regexp::IGNORECASE)) + re = /foo/ + assert_raise(SecurityError) do + Thread.new { $SAFE = 4; re.instance_eval { initialize(re) } }.join + end + re.taint + assert_raise(SecurityError) do + Thread.new { $SAFE = 4; re.instance_eval { initialize(re) } }.join + end + + assert_equal(Encoding.find("ASCII-8BIT"), Regexp.new("b..", nil, "n").encoding) + assert_equal("bar", "foobarbaz"[Regexp.new("b..", nil, "n")]) + + assert_raise(RegexpError) { Regexp.new(")(") } + end + + def test_unescape + assert_raise(ArgumentError) { s = '\\'; /#{ s }/ } + assert_equal(/\177/, (s = '\177'; /#{ s }/)) + assert_raise(ArgumentError) { s = '\u'; /#{ s }/ } + assert_raise(ArgumentError) { s = '\u{ ffffffff }'; /#{ s }/ } + assert_raise(ArgumentError) { s = '\u{ ffffff }'; /#{ s }/ } + assert_raise(ArgumentError) { s = '\u{ ffff X }'; /#{ s }/ } + assert_raise(ArgumentError) { s = '\u{ }'; /#{ s }/ } + assert_equal("b", "abc"[(s = '\u{0062}'; /#{ s }/)]) + assert_equal("b", "abc"[(s = '\u0062'; /#{ s }/)]) + assert_raise(ArgumentError) { s = '\u0'; /#{ s }/ } + assert_raise(ArgumentError) { s = '\u000X'; /#{ s }/ } + assert_raise(ArgumentError) { s = "\xff" + '\u3042'; /#{ s }/ } + assert_raise(ArgumentError) { s = '\u3042' + [0xff].pack("C"); /#{ s }/ } + assert_raise(SyntaxError) { s = ''; eval(%q(/\u#{ s }/)) } + + assert_equal(/a/, eval(%q(s="\u0061";/#{s}/n))) + assert_raise(RegexpError) { s = "\u3042"; eval(%q(/#{s}/n)) } + assert_raise(RegexpError) { s = "\u0061"; eval(%q(/\u3042#{s}/n)) } + assert_raise(ArgumentError) { s1=[0xff].pack("C"); s2="\u3042"; eval(%q(/#{s1}#{s2}/)) } + + assert_raise(ArgumentError) { s = '\x'; /#{ s }/ } + + assert_equal("\xe1", [0x00, 0xe1, 0xff].pack("C*")[/\M-a/]) + assert_equal("\xdc", [0x00, 0xdc, 0xff].pack("C*")[/\M-\\/]) + assert_equal("\x8a", [0x00, 0x8a, 0xff].pack("C*")[/\M-\n/]) + assert_equal("\x89", [0x00, 0x89, 0xff].pack("C*")[/\M-\t/]) + assert_equal("\x8d", [0x00, 0x8d, 0xff].pack("C*")[/\M-\r/]) + assert_equal("\x8c", [0x00, 0x8c, 0xff].pack("C*")[/\M-\f/]) + assert_equal("\x8b", [0x00, 0x8b, 0xff].pack("C*")[/\M-\v/]) + assert_equal("\x87", [0x00, 0x87, 0xff].pack("C*")[/\M-\a/]) + assert_equal("\x9b", [0x00, 0x9b, 0xff].pack("C*")[/\M-\e/]) + assert_equal("\x01", [0x00, 0x01, 0xff].pack("C*")[/\C-a/]) + + assert_raise(ArgumentError) { s = '\M'; /#{ s }/ } + assert_raise(ArgumentError) { s = '\M-\M-a'; /#{ s }/ } + assert_raise(ArgumentError) { s = '\M-\\'; /#{ s }/ } + + assert_raise(ArgumentError) { s = '\C'; /#{ s }/ } + assert_raise(ArgumentError) { s = '\c'; /#{ s }/ } + assert_raise(ArgumentError) { s = '\C-\C-a'; /#{ s }/ } + + assert_raise(ArgumentError) { s = '\M-\z'; /#{ s }/ } + assert_raise(ArgumentError) { s = '\M-\777'; /#{ s }/ } + + assert_equal("\u3042\u3042", "\u3042\u3042"[(s = "\u3042" + %q(\xe3\x81\x82); /#{s}/)]) + assert_raise(ArgumentError) { s = "\u3042" + %q(\xe3); /#{s}/ } + assert_raise(ArgumentError) { s = "\u3042" + %q(\xe3\xe3); /#{s}/ } + assert_raise(ArgumentError) { s = '\u3042' + [0xff].pack("C"); /#{s}/ } + + assert_raise(SyntaxError) { eval("/\u3042/n") } + + s = ".........." + 5.times { s.sub!(".", "") } + assert_equal(".....", s) + end + + def test_equal + assert_equal(true, /abc/ == /abc/) + assert_equal(false, /abc/ == /abc/m) + assert_equal(false, /abc/ == /abd/) + end + + def test_match + assert_nil(//.match(nil)) + assert_equal("abc", /.../.match(:abc)[0]) + assert_raise(TypeError) { /.../.match(Object.new)[0] } + assert_equal("bc", /../.match('abc', 1)[0]) + assert_equal("bc", /../.match('abc', -2)[0]) + assert_nil(/../.match("abc", -4)) + assert_nil(/../.match("abc", 4)) + assert_equal('\x', /../n.match("\u3042" + '\x', 1)[0]) + + r = nil + /.../.match("abc") {|m| r = m[0] } + assert_equal("abc", r) + + $_ = "abc"; assert_equal(1, ~/bc/) + $_ = "abc"; assert_nil(~/d/) + $_ = nil; assert_nil(~/./) + end + + def test_eqq + assert_equal(false, /../ === nil) + end + + def test_quote + assert_equal("\xff", Regexp.quote([0xff].pack("C"))) + assert_equal("\\ ", Regexp.quote("\ ")) + assert_equal("\\t", Regexp.quote("\t")) + assert_equal("\\n", Regexp.quote("\n")) + assert_equal("\\r", Regexp.quote("\r")) + assert_equal("\\f", Regexp.quote("\f")) + assert_equal("\\v", Regexp.quote("\v")) + assert_equal("\u3042\\t", Regexp.quote("\u3042\t")) + assert_equal("\\t\xff", Regexp.quote("\t" + [0xff].pack("C"))) + end + + def test_try_convert + assert_equal(/re/, Regexp.try_convert(/re/)) + assert_nil(Regexp.try_convert("re")) + + o = Object.new + assert_nil(Regexp.try_convert(o)) + def o.to_regexp() /foo/ end + assert_equal(/foo/, Regexp.try_convert(o)) + end + + def test_union2 + assert_equal(/(?!)/, Regexp.union) + assert_equal(/foo/, Regexp.union(/foo/)) + assert_equal(/foo/, Regexp.union([/foo/])) + assert_equal(/\t/, Regexp.union("\t")) + assert_equal(/(?-mix:\u3042)|(?-mix:\u3042)/, Regexp.union(/\u3042/, /\u3042/)) + assert_equal("\u3041", "\u3041"[Regexp.union(/\u3042/, "\u3041")]) + end + + def test_dup + assert_equal(//, //.dup) + assert_raise(TypeError) { //.instance_eval { initialize_copy(nil) } } + end + + def test_regsub + assert_equal("fooXXXbaz", "foobarbaz".sub!(/bar/, "XXX")) + s = [0xff].pack("C") + assert_equal(s, "X".sub!(/./, s)) + assert_equal('\\' + s, "X".sub!(/./, '\\' + s)) + assert_equal('\k', "foo".sub!(/.../, '\k')) + assert_raise(RuntimeError) { "foo".sub!(/(?<x>o)/, '\k<x') } + assert_equal('foo[bar]baz', "foobarbaz".sub!(/(b..)/, '[\0]')) + assert_equal('foo[foo]baz', "foobarbaz".sub!(/(b..)/, '[\`]')) + assert_equal('foo[baz]baz', "foobarbaz".sub!(/(b..)/, '[\\\']')) + assert_equal('foo[r]baz', "foobarbaz".sub!(/(b)(.)(.)/, '[\+]')) + assert_equal('foo[\\]baz', "foobarbaz".sub!(/(b..)/, '[\\\\]')) + assert_equal('foo[\z]baz', "foobarbaz".sub!(/(b..)/, '[\z]')) + end + + def test_KCODE + assert_nil($KCODE) + assert_nothing_raised { $KCODE = nil } + assert_equal(false, $=) + assert_nothing_raised { $= = nil } + end + + def test_match_setter + /foo/ =~ "foo" + m = $~ + /bar/ =~ "bar" + $~ = m + assert_equal("foo", $&) + end + + def test_last_match + /(...)(...)(...)(...)?/.match("foobarbaz") + assert_equal("foobarbaz", Regexp.last_match(0)) + assert_equal("foo", Regexp.last_match(1)) + assert_nil(Regexp.last_match(5)) + assert_nil(Regexp.last_match(-1)) + end + + def test_getter + alias $__REGEXP_TEST_LASTMATCH__ $& + alias $__REGEXP_TEST_PREMATCH__ $` + alias $__REGEXP_TEST_POSTMATCH__ $' + alias $__REGEXP_TEST_LASTPARENMATCH__ $+ + /(b)(.)(.)/.match("foobarbaz") + assert_equal("bar", $__REGEXP_TEST_LASTMATCH__) + assert_equal("foo", $__REGEXP_TEST_PREMATCH__) + assert_equal("baz", $__REGEXP_TEST_POSTMATCH__) + assert_equal("r", $__REGEXP_TEST_LASTPARENMATCH__) + + /(...)(...)(...)/.match("foobarbaz") + assert_equal("baz", $+) + end + + def test_rindex_regexp + assert_equal(3, "foobarbaz\u3042".rindex(/b../n, 5)) + end + + def test_taint + m = Thread.new do + "foo"[/foo/] + $SAFE = 4 + /foo/.match("foo") + end.value + assert(m.tainted?) + end + + def check(re, ss, fs = []) + re = Regexp.new(re) unless re.is_a?(Regexp) + ss = [ss] unless ss.is_a?(Array) + ss.each do |e, s| + s ||= e + assert_match(re, s) + m = re.match(s) + assert_equal(e, m[0]) + end + fs = [fs] unless fs.is_a?(Array) + fs.each {|s| assert_no_match(re, s) } + end + + def failcheck(re) + assert_raise(RegexpError) { /#{ re }/ } + end + + def test_parse + check(/\*\+\?\{\}\|\(\)\<\>\`\'/, "*+?{}|()<>`'") + check(/\A\w\W\z/, %w(a. b!), %w(.. ab)) + check(/\A.\b.\b.\B.\B.\z/, %w(a.aaa .a...), %w(aaaaa .....)) + check(/\A\s\S\z/, [' a', "\n."], [' ', "\n\n", 'a ']) + check(/\A\d\D\z/, '0a', %w(00 aa)) + check(/\A\h\H\z/, %w(0g ag BH), %w(a0 af GG)) + check(/\Afoo\Z\s\z/, "foo\n", ["foo", "foo\nbar"]) + assert_equal(%w(a b c), "abc def".scan(/\G\w/)) + check(/\A\u3042\z/, "\u3042", ["", "\u3043", "a"]) + check(/\A(..)\1\z/, %w(abab ....), %w(abba aba)) + failcheck('\1') + check(/\A\80\z/, "80", ["\100", ""]) + check(/\A\77\z/, "?") + check(/\A\78\z/, "\7" + '8', ["\100", ""]) + check(/\A\Qfoo\E\z/, "QfooE") + check(/\Aa++\z/, "aaa") + check('\Ax]\z', "x]") + check(/x#foo/x, "x", "#foo") + check(/\Ax#foo#{ "\n" }x\z/x, "xx", ["x", "x#foo\nx"]) + check(/\A\p{Alpha}\z/, ["a", "z"], [".", "", ".."]) + check(/\A\p{^Alpha}\z/, [".", "!"], ["!a", ""]) + check(/\A\n\z/, "\n") + check(/\A\t\z/, "\t") + check(/\A\r\z/, "\r") + check(/\A\f\z/, "\f") + check(/\A\a\z/, "\007") + check(/\A\e\z/, "\033") + check(/\A\v\z/, "\v") + failcheck('(') + failcheck('(?foo)') + failcheck('/\p{foobarbazqux}/') + failcheck('/\p{foobarbazqux' + 'a' * 1000 + '}/') + failcheck('/[1-\w]/') + end + + def test_exec + check(/A*B/, %w(B AB AAB AAAB), %w(A)) + check(/\w*!/, %w(! a! ab! abc!), %w(abc)) + check(/\w*\W/, %w(! a" ab# abc$), %w(abc)) + check(/\w*\w/, %w(z az abz abcz), %w(!)) + check(/[a-z]*\w/, %w(z az abz abcz), %w(!)) + check(/[a-z]*\W/, %w(! a" ab# abc$), %w(A)) + check(/((a|bb|ccc|dddd)(1|22|333|4444))/i, %w(a1 bb1 a22), %w(a2 b1)) + check(/\u0080/, (1..4).map {|i| ["\u0080", "\u0080" * i] }, ["\u0081"]) + check(/\u0080\u0080/, (2..4).map {|i| ["\u0080" * 2, "\u0080" * i] }, ["\u0081"]) + check(/\u0080\u0080\u0080/, (3..4).map {|i| ["\u0080" * 3, "\u0080" * i] }, ["\u0081"]) + check(/\u0080\u0080\u0080\u0080/, (4..4).map {|i| ["\u0080" * 4, "\u0080" * i] }, ["\u0081"]) + check(/[^\u3042\u3043\u3044]/, %W(a b \u0080 \u3041 \u3045), %W(\u3042 \u3043 \u3044)) + check(/a.+/m, %W(a\u0080 a\u0080\u0080 a\u0080\u0080\u0080), %W(a)) + check(/a.+z/m, %W(a\u0080z a\u0080\u0080z a\u0080\u0080\u0080z), %W(az)) + check(/abc\B.\Bxyz/, %w(abcXxyz abc0xyz), %w(abc|xyz abc-xyz)) + check(/\Bxyz/, [%w(xyz abcXxyz), %w(xyz abc0xyz)], %w(abc xyz abc-xyz)) + check(/abc\B/, [%w(abc abcXxyz), %w(abc abc0xyz)], %w(abc xyz abc-xyz)) + failcheck('(?<foo>abc)\1') + check(/^(A+|B+)(?>\g<1>)*[BC]$/, %w(AC BC ABC BAC AABBC), %w(AABB)) + check(/^(A+|B(?>\g<1>)*)[AC]$/, %w(AAAC BBBAAAAC), %w(BBBAAA)) + check(/^()(?>\g<1>)*$/, "", "a") + check(/^(?>(?=a)(#{ "a" * 1000 }|))++$/, ["a" * 1000, "a" * 2000, "a" * 3000], ["", "a" * 500, "b" * 1000]) + check(eval('/^(?:a?)?$/'), ["", "a"], ["aa"]) + check(eval('/^(?:a+)?$/'), ["", "a", "aa"], ["ab"]) + check(/^(?:a?)+?$/, ["", "a", "aa"], ["ab"]) + check(/^a??[ab]/, [["a", "a"], ["a", "aa"], ["b", "b"], ["a", "ab"]], ["c"]) + check(/^(?:a*){3,5}$/, ["", "a", "aa", "aaa", "aaaa", "aaaaa", "aaaaaa"], ["b"]) + check(/^(?:a+){3,5}$/, ["aaa", "aaaa", "aaaaa", "aaaaaa"], ["", "a", "aa", "b"]) + end + + def test_parse_look_behind + check(/(?<=A)B(?=C)/, [%w(B ABC)], %w(aBC ABc aBc)) + check(/(?<!A)B(?!C)/, [%w(B aBc)], %w(ABC aBC ABc)) + failcheck('(?<=.*)') + failcheck('(?<!.*)') + check(/(?<=A|B.)C/, [%w(C AC), %w(C BXC)], %w(C BC)) + check(/(?<!A|B.)C/, [%w(C C), %w(C BC)], %w(AC BXC)) + end + + def test_parse_kg + check(/\A(.)(.)\k<1>(.)\z/, %w(abac abab ....), %w(abcd aaba xxx)) + check(/\A(.)(.)\k<-1>(.)\z/, %w(abbc abba ....), %w(abcd aaba xxx)) + check(/\A(?<n>.)(?<x>\g<n>){0}(?<y>\k<n+0>){0}\g<x>\g<y>\z/, "aba", "abb") + check(/\A(?<n>.)(?<x>\g<n>){0}(?<y>\k<n+1>){0}\g<x>\g<y>\z/, "abb", "aba") + check(/\A(?<x>..)\k<x>\z/, %w(abab ....), %w(abac abba xxx)) + check(/\A(.)(..)\g<-1>\z/, "abcde", %w(.... ......)) + failcheck('\k<x>') + failcheck('\k<') + failcheck('\k<>') + failcheck('\k<.>') + failcheck('\k<x.>') + failcheck('\k<1.>') + failcheck('\k<x') + failcheck('\k<x+') + failcheck('()\k<-2>') + failcheck('()\g<-2>') + check(/\A(?<x>.)(?<x>.)\k<x>\z/, %w(aba abb), %w(abc .. ....)) + check(/\A(?<x>.)(?<x>.)\k<x>\z/i, %w(aba ABa abb ABb), %w(abc .. ....)) + check(/\k\g/, "kg") + failcheck('(.\g<1>)') + failcheck('(.\g<2>)') + failcheck('(?=\g<1>)') + failcheck('((?=\g<1>))') + failcheck('(\g<1>|.)') + failcheck('(.|\g<1>)') + check(/(!)(?<=(a)|\g<1>)/, ["!"], %w(a)) + check(/^(a|b\g<1>c)$/, %w(a bac bbacc bbbaccc), %w(bbac bacc)) + check(/^(a|b\g<2>c)(B\g<1>C){0}$/, %w(a bBaCc bBbBaCcCc bBbBbBaCcCcCc), %w(bBbBaCcC BbBaCcCc)) + check(/\A(?<n>.|X\g<n>)(?<x>\g<n>){0}(?<y>\k<n+0>){0}\g<x>\g<y>\z/, "XXaXbXXa", %w(XXabXa abb)) + check(/\A(?<n>.|X\g<n>)(?<x>\g<n>){0}(?<y>\k<n+1>){0}\g<x>\g<y>\z/, "XaXXbXXb", %w(aXXbXb aba)) + failcheck('(?<x>)(?<x>)(\g<x>)') + check(/^(?<x>foo)(bar)\k<x>/, %w(foobarfoo), %w(foobar barfoo)) + check(/^(?<a>f)(?<a>o)(?<a>o)(?<a>b)(?<a>a)(?<a>r)(?<a>b)(?<a>a)(?<a>z)\k<a>{9}$/, %w(foobarbazfoobarbaz foobarbazbazbarfoo foobarbazzabraboof), %w(foobar barfoo)) + end + + def test_parse_curly_brace + check(/\A{/, ["{", ["{", "{x"]]) + check(/\A{ /, ["{ ", ["{ ", "{ x"]]) + check(/\A{,}\z/, "{,}") + check(/\A{}\z/, "{}") + check(/\Aa{0}+\z/, "", %w(a aa aab)) + check(/\Aa{1}+\z/, %w(a aa), ["", "aab"]) + check(/\Aa{1,2}b{1,2}\z/, %w(ab aab abb aabb), ["", "aaabb", "abbb"]) + failcheck('.{100001}') + failcheck('.{0,100001}') + failcheck('.{1,0}') + failcheck('{0}') + failcheck('(?!x){0,1}') + end + + def test_parse_comment + check(/\A(?#foo\)bar)\z/, "", "a") + failcheck('(?#') + end + + def test_char_type + check(/\u3042\d/, ["\u30421", "\u30422"]) + + # CClassTable cache test + assert(/\u3042\d/.match("\u30421")) + assert(/\u3042\d/.match("\u30422")) + end + + def test_char_class + failcheck('[]') + failcheck('[x') + check('\A[]]\z', "]", "") + check('\A[]\.]+\z', %w(] . ]..]), ["", "["]) + check(/\A[\u3042]\z/, "\u3042", "\u3042aa") + check(/\A[\u3042\x61]+\z/, ["aa\u3042aa", "\u3042\u3042", "a"], ["", "b"]) + check(/\A[\u3042\x61\x62]+\z/, "abab\u3042abab\u3042") + check(/\A[abc]+\z/, "abcba", ["", "ada"]) + check(/\A[\w][\W]\z/, %w(a. b!), %w(.. ab)) + check(/\A[\s][\S]\z/, [' a', "\n."], [' ', "\n\n", 'a ']) + check(/\A[\d][\D]\z/, '0a', %w(00 aa)) + check(/\A[\h][\H]\z/, %w(0g ag BH), %w(a0 af GG)) + check(/\A[\p{Alpha}]\z/, ["a", "z"], [".", "", ".."]) + check(/\A[\p{^Alpha}]\z/, [".", "!"], ["!a", ""]) + check(/\A[\xff]\z/, "\xff", ["", "\xfe"]) + check(/\A[\80]+\z/, "8008", ["\\80", "\100", "\1000"]) + check(/\A[\77]+\z/, "???") + check(/\A[\78]+\z/, "\788\7") + check(/\A[\0]\z/, "\0") + check(/\A[[:0]]\z/, [":", "0"], ["", ":0"]) + check(/\A[0-]\z/, ["0", "-"], "0-") + check('\A[a-&&\w]\z', "a", "-") + check('\A[--0]\z', ["-", "/", "0"], ["", "1"]) + check('\A[\'--0]\z', %w(* + \( \) 0 ,), ["", ".", "1"]) + check(/\A[a-b-]\z/, %w(a b -), ["", "c"]) + check('\A[a-b-&&\w]\z', %w(a b), ["", "-"]) + check('\A[a-b-&&\W]\z', "-", ["", "a", "b"]) + check('\A[a-c-e]\z', %w(a b c e), %w(- d)) # is it OK? + check(/\A[a-f&&[^b-c]&&[^e]]\z/, %w(a d f), %w(b c e g 0)) + check(/\A[[^b-c]&&[^e]&&a-f]\z/, %w(a d f), %w(b c e g 0)) + check(/\A[\n\r\t]\z/, ["\n", "\r", "\t"]) + failcheck('[9-1]') + end + + def test_posix_bracket + check(/\A[[:alpha:]0]\z/, %w(0 a), %w(1 .)) + check(/\A[[:^alpha:]0]\z/, %w(0 1 .), "a") + check(/\A[[:alpha\:]]\z/, %w(a l p h a :), %w(b 0 1 .)) + check(/\A[[:alpha:foo]0]\z/, %w(0 a), %w(1 .)) + check(/\A[[:xdigit:]&&[:alpha:]]\z/, "a", %w(g 0)) + check('\A[[:abcdefghijklmnopqrstu:]]+\z', "[]") + failcheck('[[:alpha') + failcheck('[[:alpha:') + failcheck('[[:alp:]]') + end + + def test_backward + assert_equal(3, "foobar".rindex(/b.r/i)) + assert_equal(nil, "foovar".rindex(/b.r/i)) + assert_equal(3, ("foo" + "bar" * 1000).rindex(/#{"bar"*1000}/)) + assert_equal(4, ("foo\nbar\nbaz\n").rindex(/bar/i)) + end + + def test_uninitialized + assert_raise(TypeError) { Regexp.allocate.hash } + assert_raise(TypeError) { Regexp.allocate.eql? Regexp.allocate } + assert_raise(TypeError) { Regexp.allocate == Regexp.allocate } + assert_raise(TypeError) { Regexp.allocate =~ "" } + assert_equal(false, Regexp.allocate === Regexp.allocate) + assert_nil(~Regexp.allocate) + assert_raise(TypeError) { Regexp.allocate.match("") } + assert_raise(TypeError) { Regexp.allocate.to_s } + assert_match(/^#<Regexp:.*>$/, Regexp.allocate.inspect) + assert_raise(TypeError) { Regexp.allocate.source } + assert_raise(TypeError) { Regexp.allocate.casefold? } + assert_raise(TypeError) { Regexp.allocate.options } + assert_equal(Encoding.find("ASCII-8BIT"), Regexp.allocate.encoding) + assert_equal(false, Regexp.allocate.fixed_encoding?) + assert_raise(TypeError) { Regexp.allocate.names } + assert_raise(TypeError) { Regexp.allocate.named_captures } + + assert_raise(TypeError) { MatchData.allocate.regexp } + assert_raise(TypeError) { MatchData.allocate.names } + assert_raise(TypeError) { MatchData.allocate.size } + assert_raise(TypeError) { MatchData.allocate.length } + assert_raise(TypeError) { MatchData.allocate.offset(0) } + assert_raise(TypeError) { MatchData.allocate.begin(0) } + assert_raise(TypeError) { MatchData.allocate.end(0) } + assert_raise(TypeError) { MatchData.allocate.to_a } + assert_raise(TypeError) { MatchData.allocate[:foo] } + assert_raise(TypeError) { MatchData.allocate.captures } + assert_raise(TypeError) { MatchData.allocate.values_at } + assert_raise(TypeError) { MatchData.allocate.pre_match } + assert_raise(TypeError) { MatchData.allocate.post_match } + assert_raise(TypeError) { MatchData.allocate.to_s } + assert_match(/^#<MatchData:.*>$/, MatchData.allocate.inspect) + assert_raise(TypeError) { MatchData.allocate.string } + $~ = MatchData.allocate + assert_raise(TypeError) { $& } + assert_raise(TypeError) { $` } + assert_raise(TypeError) { $' } + assert_raise(TypeError) { $+ } + end + + def test_unicode + assert_match(/^\u3042{0}\p{Any}$/, "a") + assert_match(/^\u3042{0}\p{Any}$/, "\u3041") + assert_match(/^\u3042{0}\p{Any}$/, "\0") + assert_no_match(/^\u3042{0}\p{Any}$/, "\0\0") + assert_no_match(/^\u3042{0}\p{Any}$/, "") + assert_raise(SyntaxError) { eval('/^\u3042{0}\p{' + "\u3042" + '}$/') } + assert_raise(SyntaxError) { eval('/^\u3042{0}\p{' + 'a' * 1000 + '}$/') } + assert_raise(SyntaxError) { eval('/^\u3042{0}\p{foobarbazqux}$/') } + assert_match(/^(\uff21)(a)\1\2$/i, "\uff21A\uff41a") + assert_no_match(/^(\uff21)\1$/i, "\uff21A") + assert_no_match(/^(\uff41)\1$/i, "\uff41a") + assert_match(/^\u00df$/i, "\u00df") + assert_match(/^\u00df$/i, "ss") + #assert_match(/^(\u00df)\1$/i, "\u00dfss") # this must be bug... + assert_match(/^\u00df{2}$/i, "\u00dfss") + assert_match(/^\u00c5$/i, "\u00c5") + assert_match(/^\u00c5$/i, "\u00e5") + assert_match(/^\u00c5$/i, "\u212b") + assert_match(/^(\u00c5)\1\1$/i, "\u00c5\u00e5\u212b") + assert_match(/^\u0149$/i, "\u0149") + assert_match(/^\u0149$/i, "\u02bcn") + #assert_match(/^(\u0149)\1$/i, "\u0149\u02bcn") # this must be bug... + assert_match(/^\u0149{2}$/i, "\u0149\u02bcn") + assert_match(/^\u0390$/i, "\u0390") + assert_match(/^\u0390$/i, "\u03b9\u0308\u0301") + #assert_match(/^(\u0390)\1$/i, "\u0390\u03b9\u0308\u0301") # this must be bug... + assert_match(/^\u0390{2}$/i, "\u0390\u03b9\u0308\u0301") + assert_match(/^\ufb05$/i, "\ufb05") + assert_match(/^\ufb05$/i, "\ufb06") + assert_match(/^\ufb05$/i, "st") + #assert_match(/^(\ufb05)\1\1$/i, "\ufb05\ufb06st") # this must be bug... + assert_match(/^\ufb05{3}$/i, "\ufb05\ufb06st") + assert_match(/^\u03b9\u0308\u0301$/i, "\u0390") + assert_nothing_raised { 0x03ffffff.chr("utf-8").size } + assert_nothing_raised { 0x7fffffff.chr("utf-8").size } + end +end |