mirror of
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synced 2022-11-09 12:17:21 -05:00
3c1f696a50
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29831 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
856 lines
30 KiB
Ruby
856 lines
30 KiB
Ruby
require 'test/unit'
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require_relative 'envutil'
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class TestRegexp < Test::Unit::TestCase
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def setup
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@verbose = $VERBOSE
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$VERBOSE = nil
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end
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def teardown
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$VERBOSE = @verbose
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end
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def test_ruby_dev_999
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assert_match(/(?<=a).*b/, "aab")
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assert_match(/(?<=\u3042).*b/, "\u3042ab")
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end
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def test_ruby_core_27247
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assert_match(/(a){2}z/, "aaz")
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end
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def test_ruby_dev_24643
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assert_nothing_raised("[ruby-dev:24643]") {
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/(?:(?:[a]*[a])?b)*a*$/ =~ "aabaaca"
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}
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end
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def test_ruby_talk_116455
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assert_match(/^(\w{2,}).* ([A-Za-z\xa2\xc0-\xff]{2,}?)$/n, "Hallo Welt")
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end
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def test_ruby_dev_24887
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assert_equal("a".gsub(/a\Z/, ""), "")
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end
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def test_yoshidam_net_20041111_1
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s = "[\xC2\xA0-\xC3\xBE]"
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assert_match(Regexp.new(s, nil, "u"), "\xC3\xBE")
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end
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def test_yoshidam_net_20041111_2
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assert_raise(RegexpError) do
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s = "[\xFF-\xFF]".force_encoding("utf-8")
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Regexp.new(s, nil, "u")
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end
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end
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def test_ruby_dev_31309
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assert_equal('Ruby', 'Ruby'.sub(/[^a-z]/i, '-'))
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end
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def test_assert_normal_exit
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# moved from knownbug. It caused core.
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Regexp.union("a", "a")
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end
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def test_to_s
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assert_equal '(?-mix:\x00)', Regexp.new("\0").to_s
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end
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def test_union
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assert_equal :ok, begin
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Regexp.union(
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"a",
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Regexp.new("\xc2\xa1".force_encoding("euc-jp")),
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Regexp.new("\xc2\xa1".force_encoding("utf-8")))
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:ng
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rescue ArgumentError
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:ok
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end
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end
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def test_named_capture
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m = /&(?<foo>.*?);/.match("aaa & yyy")
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assert_equal("amp", m["foo"])
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assert_equal("amp", m[:foo])
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assert_equal(5, m.begin(:foo))
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assert_equal(8, m.end(:foo))
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assert_equal([5,8], m.offset(:foo))
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assert_equal("aaa [amp] yyy",
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"aaa & yyy".sub(/&(?<foo>.*?);/, '[\k<foo>]'))
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assert_equal('#<MatchData "& y" foo:"amp">',
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/&(?<foo>.*?); (y)/.match("aaa & yyy").inspect)
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assert_equal('#<MatchData "& y" 1:"amp" 2:"y">',
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/&(.*?); (y)/.match("aaa & yyy").inspect)
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assert_equal('#<MatchData "& y" foo:"amp" bar:"y">',
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/&(?<foo>.*?); (?<bar>y)/.match("aaa & yyy").inspect)
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assert_equal('#<MatchData "& y" foo:"amp" foo:"y">',
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/&(?<foo>.*?); (?<foo>y)/.match("aaa & yyy").inspect)
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/(?<id>[A-Za-z_]+)/ =~ "!abc"
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assert_equal("abc", Regexp.last_match(:id))
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/a/ =~ "b" # doesn't match.
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assert_equal(nil, Regexp.last_match)
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assert_equal(nil, Regexp.last_match(1))
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assert_equal(nil, Regexp.last_match(:foo))
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assert_equal(["foo", "bar"], /(?<foo>.)(?<bar>.)/.names)
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assert_equal(["foo"], /(?<foo>.)(?<foo>.)/.names)
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assert_equal([], /(.)(.)/.names)
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assert_equal(["foo", "bar"], /(?<foo>.)(?<bar>.)/.match("ab").names)
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assert_equal(["foo"], /(?<foo>.)(?<foo>.)/.match("ab").names)
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assert_equal([], /(.)(.)/.match("ab").names)
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assert_equal({"foo"=>[1], "bar"=>[2]},
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/(?<foo>.)(?<bar>.)/.named_captures)
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assert_equal({"foo"=>[1, 2]},
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/(?<foo>.)(?<foo>.)/.named_captures)
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assert_equal({}, /(.)(.)/.named_captures)
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assert_equal("a[b]c", "abc".sub(/(?<x>[bc])/, "[\\k<x>]"))
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assert_equal("o", "foo"[/(?<bar>o)/, "bar"])
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s = "foo"
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s[/(?<bar>o)/, "bar"] = "baz"
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assert_equal("fbazo", s)
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end
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def test_assign_named_capture
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assert_equal("a", eval('/(?<foo>.)/ =~ "a"; foo'))
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assert_equal("a", eval('foo = 1; /(?<foo>.)/ =~ "a"; foo'))
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assert_equal("a", eval('1.times {|foo| /(?<foo>.)/ =~ "a"; break foo }'))
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assert_nothing_raised { eval('/(?<Foo>.)/ =~ "a"') }
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assert_nil(eval('/(?<Foo>.)/ =~ "a"; defined? Foo'))
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end
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def test_assign_named_capture_to_reserved_word
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/(?<nil>.)/ =~ "a"
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assert(!local_variables.include?(:nil), "[ruby-dev:32675]")
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end
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def test_match_regexp
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r = /./
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m = r.match("a")
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assert_equal(r, m.regexp)
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re = /foo/
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assert_equal(re, re.match("foo").regexp)
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end
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def test_source
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assert_equal('', //.source)
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end
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def test_inspect
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assert_equal('//', //.inspect)
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assert_equal('//i', //i.inspect)
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assert_equal('/\//i', /\//i.inspect)
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assert_equal('/\//i', %r"#{'/'}"i.inspect)
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assert_equal('/\/x/i', /\/x/i.inspect)
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assert_equal('/\x00/i', /#{"\0"}/i.inspect)
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assert_equal("/\n/i", /#{"\n"}/i.inspect)
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s = [0xf1, 0xf2, 0xf3].pack("C*")
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assert_equal('/\/\xF1\xF2\xF3/i', /\/#{s}/i.inspect)
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end
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def test_char_to_option
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assert_equal("BAR", "FOOBARBAZ"[/b../i])
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assert_equal("bar", "foobarbaz"[/ b . . /x])
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assert_equal("bar\n", "foo\nbar\nbaz"[/b.../m])
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assert_raise(SyntaxError) { eval('//z') }
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end
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def test_char_to_option_kcode
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assert_equal("bar", "foobarbaz"[/b../s])
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assert_equal("bar", "foobarbaz"[/b../e])
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assert_equal("bar", "foobarbaz"[/b../u])
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end
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def test_to_s2
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assert_equal('(?-mix:foo)', /(?:foo)/.to_s)
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assert_equal('(?m-ix:foo)', /(?:foo)/m.to_s)
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assert_equal('(?mi-x:foo)', /(?:foo)/mi.to_s)
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assert_equal('(?mix:foo)', /(?:foo)/mix.to_s)
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assert_equal('(?m-ix:foo)', /(?m-ix:foo)/.to_s)
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assert_equal('(?mi-x:foo)', /(?mi-x:foo)/.to_s)
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assert_equal('(?mix:foo)', /(?mix:foo)/.to_s)
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assert_equal('(?mix:)', /(?mix)/.to_s)
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assert_equal('(?-mix:(?mix:foo) )', /(?mix:foo) /.to_s)
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end
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def test_casefold_p
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assert_equal(false, /a/.casefold?)
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assert_equal(true, /a/i.casefold?)
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assert_equal(false, /(?i:a)/.casefold?)
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end
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def test_options
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assert_equal(Regexp::IGNORECASE, /a/i.options)
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assert_equal(Regexp::EXTENDED, /a/x.options)
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assert_equal(Regexp::MULTILINE, /a/m.options)
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end
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def test_match_init_copy
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m = /foo/.match("foo")
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assert_equal(/foo/, m.dup.regexp)
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assert_raise(TypeError) do
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m.instance_eval { initialize_copy(nil) }
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end
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assert_equal([0, 3], m.offset(0))
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assert_equal(/foo/, m.dup.regexp)
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end
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def test_match_size
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m = /(.)(.)(\d+)(\d)/.match("THX1138.")
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assert_equal(5, m.size)
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end
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def test_match_offset_begin_end
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m = /(?<x>b..)/.match("foobarbaz")
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assert_equal([3, 6], m.offset("x"))
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assert_equal(3, m.begin("x"))
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assert_equal(6, m.end("x"))
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assert_raise(IndexError) { m.offset("y") }
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assert_raise(IndexError) { m.offset(2) }
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assert_raise(IndexError) { m.begin(2) }
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assert_raise(IndexError) { m.end(2) }
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m = /(?<x>q..)?/.match("foobarbaz")
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assert_equal([nil, nil], m.offset("x"))
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assert_equal(nil, m.begin("x"))
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assert_equal(nil, m.end("x"))
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m = /\A\u3042(.)(.)?(.)\z/.match("\u3042\u3043\u3044")
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assert_equal([1, 2], m.offset(1))
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assert_equal([nil, nil], m.offset(2))
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assert_equal([2, 3], m.offset(3))
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end
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def test_match_to_s
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m = /(?<x>b..)/.match("foobarbaz")
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assert_equal("bar", m.to_s)
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end
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def test_match_pre_post
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m = /(?<x>b..)/.match("foobarbaz")
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assert_equal("foo", m.pre_match)
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assert_equal("baz", m.post_match)
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end
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def test_match_array
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m = /(...)(...)(...)(...)?/.match("foobarbaz")
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assert_equal(["foobarbaz", "foo", "bar", "baz", nil], m.to_a)
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end
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def test_match_captures
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m = /(...)(...)(...)(...)?/.match("foobarbaz")
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assert_equal(["foo", "bar", "baz", nil], m.captures)
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end
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def test_match_aref
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m = /(...)(...)(...)(...)?/.match("foobarbaz")
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assert_equal("foo", m[1])
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assert_equal(["foo", "bar", "baz"], m[1..3])
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assert_nil(m[5])
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assert_raise(IndexError) { m[:foo] }
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end
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def test_match_values_at
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m = /(...)(...)(...)(...)?/.match("foobarbaz")
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assert_equal(["foo", "bar", "baz"], m.values_at(1, 2, 3))
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end
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def test_match_string
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m = /(?<x>b..)/.match("foobarbaz")
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assert_equal("foobarbaz", m.string)
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end
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def test_match_inspect
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m = /(...)(...)(...)(...)?/.match("foobarbaz")
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assert_equal('#<MatchData "foobarbaz" 1:"foo" 2:"bar" 3:"baz" 4:nil>', m.inspect)
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end
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def test_initialize
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assert_raise(ArgumentError) { Regexp.new }
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assert_equal(/foo/, Regexp.new(/foo/, Regexp::IGNORECASE))
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re = /foo/
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assert_raise(SecurityError) do
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Thread.new { $SAFE = 4; re.instance_eval { initialize(re) } }.join
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end
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re.taint
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assert_raise(SecurityError) do
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Thread.new { $SAFE = 4; re.instance_eval { initialize(re) } }.join
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end
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assert_equal(Encoding.find("US-ASCII"), Regexp.new("b..", nil, "n").encoding)
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assert_equal("bar", "foobarbaz"[Regexp.new("b..", nil, "n")])
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assert_equal(//n, Regexp.new("", nil, "n"))
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arg_encoding_none = 32 # ARG_ENCODING_NONE is implementation defined value
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assert_equal(arg_encoding_none, Regexp.new("", nil, "n").options)
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assert_equal(arg_encoding_none, Regexp.new("", nil, "N").options)
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assert_raise(RegexpError) { Regexp.new(")(") }
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end
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def test_unescape
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assert_raise(ArgumentError) { s = '\\'; /#{ s }/ }
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assert_equal(/\xFF/n, /#{ s="\\xFF" }/n)
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assert_equal(/\177/, (s = '\177'; /#{ s }/))
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assert_raise(ArgumentError) { s = '\u'; /#{ s }/ }
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assert_raise(ArgumentError) { s = '\u{ ffffffff }'; /#{ s }/ }
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assert_raise(ArgumentError) { s = '\u{ ffffff }'; /#{ s }/ }
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assert_raise(ArgumentError) { s = '\u{ ffff X }'; /#{ s }/ }
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assert_raise(ArgumentError) { s = '\u{ }'; /#{ s }/ }
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assert_equal("b", "abc"[(s = '\u{0062}'; /#{ s }/)])
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assert_equal("b", "abc"[(s = '\u0062'; /#{ s }/)])
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assert_raise(ArgumentError) { s = '\u0'; /#{ s }/ }
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assert_raise(ArgumentError) { s = '\u000X'; /#{ s }/ }
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assert_raise(ArgumentError) { s = "\xff" + '\u3042'; /#{ s }/ }
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assert_raise(ArgumentError) { s = '\u3042' + [0xff].pack("C"); /#{ s }/ }
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assert_raise(SyntaxError) { s = ''; eval(%q(/\u#{ s }/)) }
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assert_equal(/a/, eval(%q(s="\u0061";/#{s}/n)))
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assert_raise(RegexpError) { s = "\u3042"; eval(%q(/#{s}/n)) }
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assert_raise(RegexpError) { s = "\u0061"; eval(%q(/\u3042#{s}/n)) }
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assert_raise(RegexpError) { s1=[0xff].pack("C"); s2="\u3042"; eval(%q(/#{s1}#{s2}/)) }
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assert_raise(ArgumentError) { s = '\x'; /#{ s }/ }
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assert_equal("\xe1", [0x00, 0xe1, 0xff].pack("C*")[/\M-a/])
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assert_equal("\xdc", [0x00, 0xdc, 0xff].pack("C*")[/\M-\\/])
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assert_equal("\x8a", [0x00, 0x8a, 0xff].pack("C*")[/\M-\n/])
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assert_equal("\x89", [0x00, 0x89, 0xff].pack("C*")[/\M-\t/])
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assert_equal("\x8d", [0x00, 0x8d, 0xff].pack("C*")[/\M-\r/])
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assert_equal("\x8c", [0x00, 0x8c, 0xff].pack("C*")[/\M-\f/])
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assert_equal("\x8b", [0x00, 0x8b, 0xff].pack("C*")[/\M-\v/])
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assert_equal("\x87", [0x00, 0x87, 0xff].pack("C*")[/\M-\a/])
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assert_equal("\x9b", [0x00, 0x9b, 0xff].pack("C*")[/\M-\e/])
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assert_equal("\x01", [0x00, 0x01, 0xff].pack("C*")[/\C-a/])
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assert_raise(ArgumentError) { s = '\M'; /#{ s }/ }
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assert_raise(ArgumentError) { s = '\M-\M-a'; /#{ s }/ }
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assert_raise(ArgumentError) { s = '\M-\\'; /#{ s }/ }
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assert_raise(ArgumentError) { s = '\C'; /#{ s }/ }
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assert_raise(ArgumentError) { s = '\c'; /#{ s }/ }
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assert_raise(ArgumentError) { s = '\C-\C-a'; /#{ s }/ }
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assert_raise(ArgumentError) { s = '\M-\z'; /#{ s }/ }
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assert_raise(ArgumentError) { s = '\M-\777'; /#{ s }/ }
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assert_equal("\u3042\u3042", "\u3042\u3042"[(s = "\u3042" + %q(\xe3\x81\x82); /#{s}/)])
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assert_raise(ArgumentError) { s = "\u3042" + %q(\xe3); /#{s}/ }
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assert_raise(ArgumentError) { s = "\u3042" + %q(\xe3\xe3); /#{s}/ }
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assert_raise(ArgumentError) { s = '\u3042' + [0xff].pack("C"); /#{s}/ }
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assert_raise(SyntaxError) { eval("/\u3042/n") }
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s = ".........."
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5.times { s.sub!(".", "") }
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assert_equal(".....", s)
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end
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def test_equal
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assert_equal(true, /abc/ == /abc/)
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assert_equal(false, /abc/ == /abc/m)
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assert_equal(false, /abc/ == /abd/)
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end
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def test_match
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assert_nil(//.match(nil))
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assert_equal("abc", /.../.match(:abc)[0])
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assert_raise(TypeError) { /.../.match(Object.new)[0] }
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assert_equal("bc", /../.match('abc', 1)[0])
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assert_equal("bc", /../.match('abc', -2)[0])
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assert_nil(/../.match("abc", -4))
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assert_nil(/../.match("abc", 4))
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assert_equal('\x', /../n.match("\u3042" + '\x', 1)[0])
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r = nil
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/.../.match("abc") {|m| r = m[0] }
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assert_equal("abc", r)
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$_ = "abc"; assert_equal(1, ~/bc/)
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$_ = "abc"; assert_nil(~/d/)
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$_ = nil; assert_nil(~/./)
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end
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def test_eqq
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assert_equal(false, /../ === nil)
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end
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def test_quote
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assert_equal("\xff", Regexp.quote([0xff].pack("C")))
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assert_equal("\\ ", Regexp.quote("\ "))
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assert_equal("\\t", Regexp.quote("\t"))
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assert_equal("\\n", Regexp.quote("\n"))
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assert_equal("\\r", Regexp.quote("\r"))
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assert_equal("\\f", Regexp.quote("\f"))
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assert_equal("\\v", Regexp.quote("\v"))
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assert_equal("\u3042\\t", Regexp.quote("\u3042\t"))
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assert_equal("\\t\xff", Regexp.quote("\t" + [0xff].pack("C")))
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end
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def test_try_convert
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assert_equal(/re/, Regexp.try_convert(/re/))
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assert_nil(Regexp.try_convert("re"))
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o = Object.new
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assert_nil(Regexp.try_convert(o))
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def o.to_regexp() /foo/ end
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assert_equal(/foo/, Regexp.try_convert(o))
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end
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def test_union2
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assert_equal(/(?!)/, Regexp.union)
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assert_equal(/foo/, Regexp.union(/foo/))
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assert_equal(/foo/, Regexp.union([/foo/]))
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assert_equal(/\t/, Regexp.union("\t"))
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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/]
|
|
$SAFE = 4
|
|
/foo/.match("foo")
|
|
end.value
|
|
assert(m.tainted?)
|
|
assert_nothing_raised('[ruby-core:26137]') {
|
|
m = proc {$SAFE = 4; %r"#{ }"o}.call
|
|
}
|
|
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) { %r"#{ 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"])
|
|
check(/(?!x){0,1}/, [ ['', 'ab'], ['', ''] ])
|
|
check(/c\z{0,1}/, [ ['c', 'abc'], ['c', 'cab']], ['abd'])
|
|
check(/\A{0,1}a/, [ ['a', 'abc'], ['a', '____abc']], ['bcd'])
|
|
failcheck('.{100001}')
|
|
failcheck('.{0,100001}')
|
|
failcheck('.{1,0}')
|
|
failcheck('{0}')
|
|
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_match(/\u3042\d/, "\u30421")
|
|
assert_match(/\u3042\d/, "\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]')
|
|
|
|
assert_match(/\A\d+\z/, "0123456789")
|
|
assert_no_match(/\d/, "\uff10\uff11\uff12\uff13\uff14\uff15\uff16\uff17\uff18\uff19")
|
|
assert_match(/\A\w+\z/, "09azAZ_")
|
|
assert_no_match(/\w/, "\uff10\uff19\uff41\uff5a\uff21\uff3a")
|
|
assert_match(/\A\s+\z/, "\r\n\v\f\r\s")
|
|
assert_no_match(/\s/, "\u0085")
|
|
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:]]')
|
|
|
|
assert_match(/\A[[:digit:]]+\z/, "\uff10\uff11\uff12\uff13\uff14\uff15\uff16\uff17\uff18\uff19")
|
|
assert_match(/\A[[:alnum:]]+\z/, "\uff10\uff19\uff41\uff5a\uff21\uff3a")
|
|
assert_match(/\A[[:space:]]+\z/, "\r\n\v\f\r\s\u0085")
|
|
assert_match(/\A[[:ascii:]]+\z/, "\x00\x7F")
|
|
assert_no_match(/[[:ascii:]]/, "\x80\xFF")
|
|
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_match(/^\p{Lo}{4}$/u, "\u3401\u4E01\u{20001}\u{2A701}")
|
|
assert_no_match(/^\u3042{0}\p{Any}$/, "\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$/i, "\u0390")
|
|
assert_nothing_raised { 0x03ffffff.chr("utf-8").size }
|
|
assert_nothing_raised { 0x7fffffff.chr("utf-8").size }
|
|
end
|
|
|
|
def test_unicode_age
|
|
assert_match(/^\p{Age=6.0}$/u, "\u261c")
|
|
assert_match(/^\p{Age=1.1}$/u, "\u261c")
|
|
assert_no_match(/^\P{age=6.0}$/u, "\u261c")
|
|
|
|
assert_match(/^\p{age=6.0}$/u, "\u31f6")
|
|
assert_match(/^\p{age=3.2}$/u, "\u31f6")
|
|
assert_no_match(/^\p{age=3.1}$/u, "\u31f6")
|
|
assert_no_match(/^\p{age=3.0}$/u, "\u31f6")
|
|
assert_no_match(/^\p{age=1.1}$/u, "\u31f6")
|
|
|
|
assert_match(/^\p{age=6.0}$/u, "\u2754")
|
|
assert_no_match(/^\p{age=5.0}$/u, "\u2754")
|
|
assert_no_match(/^\p{age=4.0}$/u, "\u2754")
|
|
assert_no_match(/^\p{age=3.0}$/u, "\u2754")
|
|
assert_no_match(/^\p{age=2.0}$/u, "\u2754")
|
|
assert_no_match(/^\p{age=1.1}$/u, "\u2754")
|
|
end
|
|
|
|
def test_matchdata
|
|
a = "haystack".match(/hay/)
|
|
b = "haystack".match(/hay/)
|
|
assert_equal(a, b, '[ruby-core:24748]')
|
|
h = {a => 42}
|
|
assert_equal(42, h[b], '[ruby-core:24748]')
|
|
end
|
|
|
|
def test_regexp_poped
|
|
assert_nothing_raised { eval("a = 1; /\#{ a }/; a") }
|
|
assert_nothing_raised { eval("a = 1; /\#{ a }/o; a") }
|
|
end
|
|
|
|
def test_invalid_fragment
|
|
bug2547 = '[ruby-core:27374]'
|
|
assert_raise(SyntaxError, bug2547) {eval('/#{"\\\\"}y/')}
|
|
end
|
|
|
|
def test_dup_warn
|
|
assert_in_out_err(%w/-w -U/, "#coding:utf-8\nx=/[\u3042\u3041]/\n!x", [], [])
|
|
assert_in_out_err(%w/-w -U/, "#coding:utf-8\nx=/[\u3042\u3042]/\n!x", [], /duplicated/u, nil,
|
|
encoding: Encoding::UTF_8)
|
|
assert_in_out_err(%w/-w -U/, "#coding:utf-8\nx=/[\u3042\u3041-\u3043]/\n!x", [], /duplicated/u, nil,
|
|
encoding: Encoding::UTF_8)
|
|
end
|
|
|
|
def test_property_warn
|
|
assert_in_out_err('-w', 'x=/\p%s/', [], %r"warning: invalid Unicode Property \\p: /\\p%s/")
|
|
end
|
|
|
|
def test_invalid_escape_error
|
|
bug3539 = '[ruby-core:31048]'
|
|
error = assert_raise(SyntaxError) {eval('/\x/', nil, bug3539)}
|
|
assert_match(/invalid hex escape/, error.message)
|
|
assert_equal(1, error.message.scan(/.*invalid .*escape.*/i).size, bug3539)
|
|
end
|
|
end
|