diff options
Diffstat (limited to 'test/ruby/test_string.rb')
| -rw-r--r-- | test/ruby/test_string.rb | 986 |
1 files changed, 840 insertions, 146 deletions
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb index d7d1f11991..6c00aa15f9 100644 --- a/test/ruby/test_string.rb +++ b/test/ruby/test_string.rb @@ -2,7 +2,10 @@ require 'test/unit' class TestString < Test::Unit::TestCase - ENUMERATOR_WANTARRAY = RUBY_VERSION >= "3.0.0" + WIDE_ENCODINGS = [ + Encoding::UTF_16BE, Encoding::UTF_16LE, + Encoding::UTF_32BE, Encoding::UTF_32LE, + ] def initialize(*args) @cls = String @@ -12,8 +15,8 @@ class TestString < Test::Unit::TestCase super end - def S(*args) - @cls.new(*args) + def S(*args, **kw) + @cls.new(*args, **kw) end def test_s_new @@ -62,12 +65,26 @@ class TestString < Test::Unit::TestCase def test_initialize str = S("").freeze assert_equal("", str.__send__(:initialize)) - assert_raise(RuntimeError){ str.__send__(:initialize, 'abc') } - assert_raise(RuntimeError){ str.__send__(:initialize, capacity: 1000) } - assert_raise(RuntimeError){ str.__send__(:initialize, 'abc', capacity: 1000) } - assert_raise(RuntimeError){ str.__send__(:initialize, encoding: 'euc-jp') } - assert_raise(RuntimeError){ str.__send__(:initialize, 'abc', encoding: 'euc-jp') } - assert_raise(RuntimeError){ str.__send__(:initialize, 'abc', capacity: 1000, encoding: 'euc-jp') } + assert_raise(FrozenError){ str.__send__(:initialize, 'abc') } + assert_raise(FrozenError){ str.__send__(:initialize, capacity: 1000) } + assert_raise(FrozenError){ str.__send__(:initialize, 'abc', capacity: 1000) } + assert_raise(FrozenError){ str.__send__(:initialize, encoding: 'euc-jp') } + assert_raise(FrozenError){ str.__send__(:initialize, 'abc', encoding: 'euc-jp') } + assert_raise(FrozenError){ str.__send__(:initialize, 'abc', capacity: 1000, encoding: 'euc-jp') } + + str = S("") + assert_equal("mystring", str.__send__(:initialize, "mystring")) + str = S("mystring") + assert_equal("mystring", str.__send__(:initialize, str)) + str = S("") + assert_equal("mystring", str.__send__(:initialize, "mystring", capacity: 1000)) + str = S("mystring") + assert_equal("mystring", str.__send__(:initialize, str, capacity: 1000)) + end + + def test_initialize_shared + String.new(str = "mystring" * 10).__send__(:initialize, capacity: str.bytesize) + assert_equal("mystring", str[0, 8]) end def test_initialize_nonstring @@ -88,6 +105,16 @@ PREP CODE end + # Bug #18154 + def test_initialize_nofree_memory_leak + assert_no_memory_leak([], <<-PREP, <<-CODE, rss: true) +code = proc {0.to_s.__send__(:initialize, capacity: 10000)} +1_000.times(&code) +PREP +100_000.times(&code) +CODE + end + def test_AREF # '[]' assert_equal("A", S("AooBar")[0]) assert_equal("B", S("FooBaB")[-1]) @@ -203,7 +230,7 @@ CODE assert_raise(ArgumentError) { "foo"[1, 2, 3] = "" } - #assert_raise(IndexError) {"foo"[RbConfig::Limits["LONG_MIN"]] = "l"} + assert_raise(IndexError) {"foo"[RbConfig::LIMITS["LONG_MIN"]] = "l"} end def test_CMP # '<=>' @@ -238,6 +265,7 @@ CODE assert_not_equal(S("CAT"), S('cat')) assert_not_equal(S("CaT"), S('cAt')) + assert_not_equal(S("cat\0""dog"), S("cat\0")) o = Object.new def o.to_str; end @@ -368,6 +396,8 @@ CODE end def test_chomp + verbose, $VERBOSE = $VERBOSE, nil + assert_equal(S("hello"), S("hello").chomp("\n")) assert_equal(S("hello"), S("hello\n").chomp("\n")) save = $/ @@ -383,11 +413,62 @@ CODE $/ = save assert_equal(S("a").hash, S("a\u0101").chomp(S("\u0101")).hash, '[ruby-core:22414]') + + s = S("hello") + assert_equal("hel", s.chomp('lo')) + assert_equal("hello", s) + + s = S("hello") + assert_equal("hello", s.chomp('he')) + assert_equal("hello", s) + + s = S("\u{3053 3093 306b 3061 306f}") + assert_equal("\u{3053 3093 306b}", s.chomp("\u{3061 306f}")) + assert_equal("\u{3053 3093 306b 3061 306f}", s) + + s = S("\u{3053 3093 306b 3061 306f}") + assert_equal("\u{3053 3093 306b 3061 306f}", s.chomp('lo')) + assert_equal("\u{3053 3093 306b 3061 306f}", s) + + s = S("hello") + assert_equal("hello", s.chomp("\u{3061 306f}")) + assert_equal("hello", s) + + # skip if argument is a broken string + s = S("\xe3\x81\x82") + assert_equal("\xe3\x81\x82", s.chomp("\x82")) + assert_equal("\xe3\x81\x82", s) + + s = S("\x95\x5c").force_encoding("Shift_JIS") + assert_equal("\x95\x5c".force_encoding("Shift_JIS"), s.chomp("\x5c")) + assert_equal("\x95\x5c".force_encoding("Shift_JIS"), s) + + # clear coderange + s = S("hello\u{3053 3093}") + assert_not_predicate(s, :ascii_only?) + assert_predicate(s.chomp("\u{3053 3093}"), :ascii_only?) + + # argument should be converted to String + klass = Class.new { def to_str; 'a'; end } + s = S("abba") + assert_equal("abb", s.chomp(klass.new)) + assert_equal("abba", s) + + # chomp removes any of "\n", "\r\n", "\r" when "\n" is specified + s = "foo\n" + assert_equal("foo", s.chomp("\n")) + s = "foo\r\n" + assert_equal("foo", s.chomp("\n")) + s = "foo\r" + assert_equal("foo", s.chomp("\n")) ensure $/ = save + $VERBOSE = verbose end def test_chomp! + verbose, $VERBOSE = $VERBOSE, nil + a = S("hello") a.chomp!(S("\n")) @@ -441,8 +522,70 @@ CODE assert_equal("foo\r", s) assert_equal(S("a").hash, S("a\u0101").chomp!(S("\u0101")).hash, '[ruby-core:22414]') + + s = S("").freeze + assert_raise_with_message(FrozenError, /frozen/) {s.chomp!} + $VERBOSE = nil # EnvUtil.suppress_warning resets $VERBOSE to the original state + + s = S("ax") + o = Struct.new(:s).new(s) + def o.to_str + s.freeze + "x" + end + assert_raise_with_message(FrozenError, /frozen/) {s.chomp!(o)} + $VERBOSE = nil # EnvUtil.suppress_warning resets $VERBOSE to the original state + + s = S("hello") + assert_equal("hel", s.chomp!('lo')) + assert_equal("hel", s) + + s = S("hello") + assert_equal(nil, s.chomp!('he')) + assert_equal("hello", s) + + s = S("\u{3053 3093 306b 3061 306f}") + assert_equal("\u{3053 3093 306b}", s.chomp!("\u{3061 306f}")) + assert_equal("\u{3053 3093 306b}", s) + + s = S("\u{3053 3093 306b 3061 306f}") + assert_equal(nil, s.chomp!('lo')) + assert_equal("\u{3053 3093 306b 3061 306f}", s) + + s = S("hello") + assert_equal(nil, s.chomp!("\u{3061 306f}")) + assert_equal("hello", s) + + # skip if argument is a broken string + s = S("\xe3\x81\x82") + assert_equal(nil, s.chomp!("\x82")) + assert_equal("\xe3\x81\x82", s) + + s = S("\x95\x5c").force_encoding("Shift_JIS") + assert_equal(nil, s.chomp!("\x5c")) + assert_equal("\x95\x5c".force_encoding("Shift_JIS"), s) + + # clear coderange + s = S("hello\u{3053 3093}") + assert_not_predicate(s, :ascii_only?) + assert_predicate(s.chomp!("\u{3053 3093}"), :ascii_only?) + + # argument should be converted to String + klass = Class.new { def to_str; 'a'; end } + s = S("abba") + assert_equal("abb", s.chomp!(klass.new)) + assert_equal("abb", s) + + # chomp removes any of "\n", "\r\n", "\r" when "\n" is specified + s = "foo\n" + assert_equal("foo", s.chomp!("\n")) + s = "foo\r\n" + assert_equal("foo", s.chomp!("\n")) + s = "foo\r" + assert_equal("foo", s.chomp!("\n")) ensure $/ = save + $VERBOSE = verbose end def test_chop @@ -481,18 +624,14 @@ CODE end def test_clone - for taint in [ false, true ] - for frozen in [ false, true ] - a = S("Cool") - a.taint if taint - a.freeze if frozen - b = a.clone - - assert_equal(a, b) - assert_not_same(a, b) - assert_equal(a.frozen?, b.frozen?) - assert_equal(a.tainted?, b.tainted?) - end + for frozen in [ false, true ] + a = S("Cool") + a.freeze if frozen + b = a.clone + + assert_equal(a, b) + assert_not_same(a, b) + assert_equal(a.frozen?, b.frozen?) end assert_equal("", File.read(IO::NULL).clone, '[ruby-dev:32819] reported by Kazuhiro NISHIYAMA') @@ -510,7 +649,12 @@ CODE expected = S("\u0300".encode(Encoding::UTF_16LE)) assert_equal(expected, result, bug7090) assert_raise(TypeError) { 'foo' << :foo } - assert_raise(RuntimeError) { 'foo'.freeze.concat('bar') } + assert_raise(FrozenError) { 'foo'.freeze.concat('bar') } + end + + def test_concat_literals + s="." * 50 + assert_equal(Encoding::UTF_8, "#{s}x".encoding) end def test_count @@ -534,18 +678,37 @@ CODE assert_raise(ArgumentError) { "foo".count } end + def crypt_supports_des_crypt? + /openbsd/ !~ RUBY_PLATFORM + end + def test_crypt - assert_equal(S('aaGUC/JkO9/Sc'), S("mypassword").crypt(S("aa"))) - assert_not_equal(S('aaGUC/JkO9/Sc'), S("mypassword").crypt(S("ab"))) + if crypt_supports_des_crypt? + pass = "aaGUC/JkO9/Sc" + good_salt = "aa" + bad_salt = "ab" + else + pass = "$2a$04$0WVaz0pV3jzfZ5G5tpmHWuBQGbkjzgtSc3gJbmdy0GAGMa45MFM2." + good_salt = "$2a$04$0WVaz0pV3jzfZ5G5tpmHWu" + bad_salt = "$2a$04$0WVaz0pV3jzfZ5G5tpmHXu" + end + assert_equal(S(pass), S("mypassword").crypt(S(good_salt))) + assert_not_equal(S(pass), S("mypassword").crypt(S(bad_salt))) assert_raise(ArgumentError) {S("mypassword").crypt(S(""))} assert_raise(ArgumentError) {S("mypassword").crypt(S("\0a"))} assert_raise(ArgumentError) {S("mypassword").crypt(S("a\0"))} assert_raise(ArgumentError) {S("poison\u0000null").crypt(S("aa"))} - [Encoding::UTF_16BE, Encoding::UTF_16LE, - Encoding::UTF_32BE, Encoding::UTF_32LE].each do |enc| + WIDE_ENCODINGS.each do |enc| assert_raise(ArgumentError) {S("mypassword").crypt(S("aa".encode(enc)))} assert_raise(ArgumentError) {S("mypassword".encode(enc)).crypt(S("aa"))} end + + @cls == String and + assert_no_memory_leak([], "s = ''; salt_proc = proc{#{(crypt_supports_des_crypt? ? '..' : good_salt).inspect}}", "#{<<~"begin;"}\n#{<<~'end;'}") + + begin; + 1000.times { s.crypt(-salt_proc.call).clear } + end; end def test_delete @@ -557,7 +720,7 @@ CODE assert_equal("a".hash, "a\u0101".delete("\u0101").hash, '[ruby-talk:329267]') assert_equal(true, "a\u0101".delete("\u0101").ascii_only?) assert_equal(true, "a\u3041".delete("\u3041").ascii_only?) - assert_equal(false, "a\u3041\u3042".tr("\u3041", "a").ascii_only?) + assert_equal(false, "a\u3041\u3042".delete("\u3041").ascii_only?) assert_equal("a", "abc\u{3042 3044 3046}".delete("^a")) assert_equal("bc\u{3042 3044 3046}", "abc\u{3042 3044 3046}".delete("a")) @@ -606,6 +769,7 @@ CODE assert_equal(S("hello"), S("hello").downcase) assert_equal(S("hello"), S("HELLO").downcase) assert_equal(S("abc hello 123"), S("abc HELLO 123").downcase) + assert_equal(S("h\0""ello"), S("h\0""ELLO").downcase) end def test_downcase! @@ -618,6 +782,12 @@ CODE a=S("hello") assert_nil(a.downcase!) assert_equal(S("hello"), a) + + a = S("h\0""ELLO") + b = a.dup + assert_equal(S("h\0""ello"), a.downcase!) + assert_equal(S("h\0""ello"), a) + assert_equal(S("h\0""ELLO"), b) end def test_dump @@ -637,23 +807,85 @@ CODE assert_equal(S('"\\u{10ABCD}"'), b.dump) end + def test_undump + a = S("Test") << 1 << 2 << 3 << 9 << 13 << 10 + assert_equal(a, S('"Test\\x01\\x02\\x03\\t\\r\\n"').undump) + assert_equal(S("\\ca"), S('"\\ca"').undump) + assert_equal(S("\u{7F}"), S('"\\x7F"').undump) + assert_equal(S("\u{7F}A"), S('"\\x7FA"').undump) + assert_equal(S("\u{AB}"), S('"\\u00AB"').undump) + assert_equal(S("\u{ABC}"), S('"\\u0ABC"').undump) + assert_equal(S("\uABCD"), S('"\\uABCD"').undump) + assert_equal(S("\uABCD"), S('"\\uABCD"').undump) + assert_equal(S("\u{ABCDE}"), S('"\\u{ABCDE}"').undump) + assert_equal(S("\u{10ABCD}"), S('"\\u{10ABCD}"').undump) + assert_equal(S("\u{ABCDE 10ABCD}"), S('"\\u{ABCDE 10ABCD}"').undump) + assert_equal(S(""), S('"\\u{}"').undump) + assert_equal(S(""), S('"\\u{ }"').undump) + + assert_equal(S("\u3042".encode("sjis")), S('"\x82\xA0"'.force_encoding("sjis")).undump) + assert_equal(S("\u8868".encode("sjis")), S("\"\\x95\\\\\"".force_encoding("sjis")).undump) + + assert_equal(S("äöü"), S('"\u00E4\u00F6\u00FC"').undump) + assert_equal(S("äöü"), S('"\xC3\xA4\xC3\xB6\xC3\xBC"').undump) + + assert_equal(Encoding::UTF_8, S('"\\u3042"').encode(Encoding::EUC_JP).undump.encoding) + + assert_equal("abc".encode(Encoding::UTF_16LE), + '"a\x00b\x00c\x00".force_encoding("UTF-16LE")'.undump) + + assert_equal('\#', '"\\\\#"'.undump) + assert_equal('\#{', '"\\\\\#{"'.undump) + + assert_raise(RuntimeError) { S('\u3042').undump } + assert_raise(RuntimeError) { S('"\x82\xA0\u3042"'.force_encoding("SJIS")).undump } + assert_raise(RuntimeError) { S('"\u3042\x82\xA0"'.force_encoding("SJIS")).undump } + assert_raise(RuntimeError) { S('"".force_encoding()').undump } + assert_raise(RuntimeError) { S('"".force_encoding("').undump } + assert_raise(RuntimeError) { S('"".force_encoding("UNKNOWN")').undump } + assert_raise(RuntimeError) { S('"\u3042".force_encoding("UTF-16LE")').undump } + assert_raise(RuntimeError) { S('"\x00\x00".force_encoding("UTF-16LE")"').undump } + assert_raise(RuntimeError) { S('"\x00\x00".force_encoding("'+("a"*9999999)+'")"').undump } + assert_raise(RuntimeError) { S(%("\u00E4")).undump } + assert_raise(RuntimeError) { S('"').undump } + assert_raise(RuntimeError) { S('"""').undump } + assert_raise(RuntimeError) { S('""""').undump } + + assert_raise(RuntimeError) { S('"a').undump } + assert_raise(RuntimeError) { S('"\u"').undump } + assert_raise(RuntimeError) { S('"\u{"').undump } + assert_raise(RuntimeError) { S('"\u304"').undump } + assert_raise(RuntimeError) { S('"\u304Z"').undump } + assert_raise(RuntimeError) { S('"\udfff"').undump } + assert_raise(RuntimeError) { S('"\u{dfff}"').undump } + assert_raise(RuntimeError) { S('"\u{3042"').undump } + assert_raise(RuntimeError) { S('"\u{3042 "').undump } + assert_raise(RuntimeError) { S('"\u{110000}"').undump } + assert_raise(RuntimeError) { S('"\u{1234567}"').undump } + assert_raise(RuntimeError) { S('"\x"').undump } + assert_raise(RuntimeError) { S('"\xA"').undump } + assert_raise(RuntimeError) { S('"\\"').undump } + assert_raise(RuntimeError) { S(%("\0")).undump } + assert_raise_with_message(RuntimeError, /invalid/) { + '"\\u{007F}".xxxxxx'.undump + } + end + def test_dup - for taint in [ false, true ] - for frozen in [ false, true ] - a = S("hello") - a.taint if taint - a.freeze if frozen - b = a.dup - - assert_equal(a, b) - assert_not_same(a, b) - assert_not_predicate(b, :frozen?) - assert_equal(a.tainted?, b.tainted?) - end + for frozen in [ false, true ] + a = S("hello") + a.freeze if frozen + b = a.dup + + assert_equal(a, b) + assert_not_same(a, b) + assert_not_predicate(b, :frozen?) end end def test_each + verbose, $VERBOSE = $VERBOSE, nil + save = $/ $/ = "\n" res=[] @@ -663,8 +895,8 @@ CODE res=[] S("hello\n\n\nworld").lines(S('')).each {|x| res << x} - assert_equal(S("hello\n\n\n"), res[0]) - assert_equal(S("world"), res[1]) + assert_equal(S("hello\n\n"), res[0]) + assert_equal(S("world"), res[1]) $/ = "!" res=[] @@ -673,6 +905,7 @@ CODE assert_equal(S("world"), res[1]) ensure $/ = save + $VERBOSE = verbose end def test_each_byte @@ -691,19 +924,15 @@ CODE s = S("ABC") assert_equal [65, 66, 67], s.bytes - if ENUMERATOR_WANTARRAY - assert_warn(/block not used/) { - assert_equal [65, 66, 67], s.bytes {} - } - else - assert_warning(/deprecated/) { - res = [] - assert_equal s.object_id, s.bytes {|x| res << x }.object_id - assert_equal(65, res[0]) - assert_equal(66, res[1]) - assert_equal(67, res[2]) - } - end + res = [] + assert_equal s.object_id, s.bytes {|x| res << x }.object_id + assert_equal(65, res[0]) + assert_equal(66, res[1]) + assert_equal(67, res[2]) + s = S("ABC") + res = [] + assert_same s, s.bytes {|x| res << x } + assert_equal [65, 66, 67], res end def test_each_codepoint @@ -728,19 +957,15 @@ CODE s = S("\u3042\u3044\u3046") assert_equal [0x3042, 0x3044, 0x3046], s.codepoints - if ENUMERATOR_WANTARRAY - assert_warn(/block not used/) { - assert_equal [0x3042, 0x3044, 0x3046], s.codepoints {} - } - else - assert_warning(/deprecated/) { - res = [] - assert_equal s.object_id, s.codepoints {|x| res << x }.object_id - assert_equal(0x3042, res[0]) - assert_equal(0x3044, res[1]) - assert_equal(0x3046, res[2]) - } - end + res = [] + assert_equal s.object_id, s.codepoints {|x| res << x }.object_id + assert_equal(0x3042, res[0]) + assert_equal(0x3044, res[1]) + assert_equal(0x3046, res[2]) + s = S("ABC") + res = [] + assert_same s, s.codepoints {|x| res << x } + assert_equal [65, 66, 67], res end def test_each_char @@ -759,22 +984,83 @@ CODE s = S("ABC") assert_equal ["A", "B", "C"], s.chars - if ENUMERATOR_WANTARRAY - assert_warn(/block not used/) { - assert_equal ["A", "B", "C"], s.chars {} - } - else - assert_warning(/deprecated/) { - res = [] - assert_equal s.object_id, s.chars {|x| res << x }.object_id - assert_equal("A", res[0]) - assert_equal("B", res[1]) - assert_equal("C", res[2]) - } + res = [] + assert_equal s.object_id, s.chars {|x| res << x }.object_id + assert_equal("A", res[0]) + assert_equal("B", res[1]) + assert_equal("C", res[2]) + end + + def test_each_grapheme_cluster + [ + "\u{0D 0A}", + "\u{20 200d}", + "\u{600 600}", + "\u{600 20}", + "\u{261d 1F3FB}", + "\u{1f600}", + "\u{20 308}", + "\u{1F477 1F3FF 200D 2640 FE0F}", + "\u{1F468 200D 1F393}", + "\u{1F46F 200D 2642 FE0F}", + "\u{1f469 200d 2764 fe0f 200d 1f469}", + ].each do |g| + assert_equal [g], g.each_grapheme_cluster.to_a + assert_equal 1, g.each_grapheme_cluster.size + end + + [ + ["\u{a 324}", ["\u000A", "\u0324"]], + ["\u{d 324}", ["\u000D", "\u0324"]], + ["abc", ["a", "b", "c"]], + ].each do |str, grapheme_clusters| + assert_equal grapheme_clusters, str.each_grapheme_cluster.to_a + assert_equal grapheme_clusters.size, str.each_grapheme_cluster.size end + + s = ("x"+"\u{10ABCD}"*250000) + assert_empty(s.each_grapheme_cluster {s.clear}) + end + + def test_grapheme_clusters + [ + "\u{20 200d}", + "\u{600 600}", + "\u{600 20}", + "\u{261d 1F3FB}", + "\u{1f600}", + "\u{20 308}", + "\u{1F477 1F3FF 200D 2640 FE0F}", + "\u{1F468 200D 1F393}", + "\u{1F46F 200D 2642 FE0F}", + "\u{1f469 200d 2764 fe0f 200d 1f469}", + ].product([Encoding::UTF_8, *WIDE_ENCODINGS]) do |g, enc| + g = g.encode(enc) + assert_equal [g], g.grapheme_clusters + end + + [ + "\u{a 324}", + "\u{d 324}", + "abc", + ].product([Encoding::UTF_8, *WIDE_ENCODINGS]) do |g, enc| + g = g.encode(enc) + assert_equal g.chars, g.grapheme_clusters + end + assert_equal ["a", "b", "c"], "abc".b.grapheme_clusters + + s = "ABC".b + res = [] + assert_same s, s.grapheme_clusters {|x| res << x } + assert_equal(3, res.size) + assert_equal("A", res[0]) + assert_equal("B", res[1]) + assert_equal("C", res[2]) end def test_each_line + verbose, $VERBOSE = $VERBOSE, nil + save = $/ $/ = "\n" res=[] @@ -784,8 +1070,13 @@ CODE res=[] S("hello\n\n\nworld").each_line(S('')) {|x| res << x} - assert_equal(S("hello\n\n\n"), res[0]) - assert_equal(S("world"), res[1]) + assert_equal(S("hello\n\n"), res[0]) + assert_equal(S("world"), res[1]) + + res=[] + S("hello\r\n\r\nworld").each_line(S('')) {|x| res << x} + assert_equal(S("hello\r\n\r\n"), res[0]) + assert_equal(S("world"), res[1]) $/ = "!" @@ -816,6 +1107,7 @@ CODE end ensure $/ = save + $VERBOSE = verbose end def test_each_line_chomp @@ -826,7 +1118,12 @@ CODE res = [] S("hello\n\n\nworld").each_line(S(''), chomp: true) {|x| res << x} - assert_equal(S("hello\n\n"), res[0]) + assert_equal(S("hello\n"), res[0]) + assert_equal(S("world"), res[1]) + + res = [] + S("hello\r\n\r\nworld").each_line(S(''), chomp: true) {|x| res << x} + assert_equal(S("hello\r\n"), res[0]) assert_equal(S("world"), res[1]) res = [] @@ -857,6 +1154,10 @@ CODE res = [] S("\r\n").each_line(chomp: true) {|x| res << x} assert_equal([S("")], res) + + res = [] + S("a\n b\n").each_line(" ", chomp: true) {|x| res << x} + assert_equal([S("a\n"), S("b\n")], res) end def test_lines @@ -864,18 +1165,10 @@ CODE assert_equal ["hello\n", "world"], s.lines assert_equal ["hello\nworld"], s.lines(nil) - if ENUMERATOR_WANTARRAY - assert_warn(/block not used/) { - assert_equal ["hello\n", "world"], s.lines {} - } - else - assert_warning(/deprecated/) { - res = [] - assert_equal s.object_id, s.lines {|x| res << x }.object_id - assert_equal(S("hello\n"), res[0]) - assert_equal(S("world"), res[1]) - } - end + res = [] + assert_equal s.object_id, s.lines {|x| res << x }.object_id + assert_equal(S("hello\n"), res[0]) + assert_equal(S("world"), res[1]) end def test_empty? @@ -887,6 +1180,8 @@ CODE assert_send([S("hello"), :end_with?, S("llo")]) assert_not_send([S("hello"), :end_with?, S("ll")]) assert_send([S("hello"), :end_with?, S("el"), S("lo")]) + assert_send([S("hello"), :end_with?, S("")]) + assert_not_send([S("hello"), :end_with?]) bug5536 = '[ruby-core:40623]' assert_raise(TypeError, bug5536) {S("str").end_with? :not_convertible_to_string} @@ -907,10 +1202,6 @@ CODE S("hello").gsub(/(hell)(.)/) { |s| $1.upcase + S('-') + $2 }) assert_equal(S("<>h<>e<>l<>l<>o<>"), S("hello").gsub(S(''), S('<\0>'))) - a = S("hello") - a.taint - assert_predicate(a.gsub(/./, S('X')), :tainted?) - assert_equal("z", "abc".gsub(/./, "a" => "z"), "moved from btest/knownbug") assert_raise(ArgumentError) { "foo".gsub } @@ -955,11 +1246,6 @@ CODE a.gsub!(/(hell)(.)/) { |s| $1.upcase + S('-') + $2 } assert_equal(S("HELL-o"), a) - r = S('X') - r.taint - a.gsub!(/./, r) - assert_predicate(a, :tainted?) - a = S("hello") assert_nil(a.sub!(S('X'), S('Y'))) end @@ -1048,6 +1334,8 @@ CODE assert_nil("foo".index(//, -100)) assert_nil($~) + + assert_equal(2, S("abcdbce").index(/b\Kc/)) end def test_insert @@ -1151,10 +1439,8 @@ CODE assert_equal(S("foobar"), a.replace(S("foobar"))) a = S("foo") - a.taint b = a.replace(S("xyz")) assert_equal(S("xyz"), b) - assert_predicate(b, :tainted?) s = "foo" * 100 s2 = ("bar" * 100).dup @@ -1166,10 +1452,10 @@ CODE assert_equal(s2, s) fs = "".freeze - assert_raise(RuntimeError) { fs.replace("a") } - assert_raise(RuntimeError) { fs.replace(fs) } + assert_raise(FrozenError) { fs.replace("a") } + assert_raise(FrozenError) { fs.replace(fs) } assert_raise(ArgumentError) { fs.replace() } - assert_raise(RuntimeError) { fs.replace(42) } + assert_raise(FrozenError) { fs.replace(42) } end def test_reverse @@ -1222,6 +1508,8 @@ CODE assert_equal(3, "foo".rindex(//)) assert_equal([3, 3], $~.offset(0)) + + assert_equal(5, S("abcdbce").rindex(/b\Kc/)) end def test_rjust @@ -1249,12 +1537,6 @@ CODE a.scan(/(...)/) { |w| res << w } assert_equal([[S("cru")], [S("el ")], [S("wor")]],res) - a = S("hello") - a.taint - res = [] - a.scan(/./) { |w| res << w } - assert_predicate(res[0], :tainted?, '[ruby-core:33338] #4087') - /h/ =~ a a.scan(/x/) assert_nil($~) @@ -1263,7 +1545,7 @@ CODE a.scan('x') assert_nil($~) - assert_equal(3, S("hello hello hello").scan("hello".taint).count(&:tainted?)) + assert_equal(%w[1 2 3], S("a1 a2 a3").scan(/a\K./)) end def test_size @@ -1319,8 +1601,10 @@ CODE a = S("FooBar") if @aref_slicebang_silent assert_nil( a.slice!(6) ) + assert_nil( a.slice!(6r) ) else assert_raise(IndexError) { a.slice!(6) } + assert_raise(IndexError) { a.slice!(6r) } end assert_equal(S("FooBar"), a) @@ -1431,16 +1715,68 @@ CODE assert_equal([S("a"), S(""), S("b"), S("c"), S("")], S("a||b|c|").split(S('|'), -1)) assert_equal([], "".split(//, 1)) + ensure + EnvUtil.suppress_warning {$; = fs} + end + + def test_split_with_block + fs, $; = $;, nil + result = []; S(" a b\t c ").split {|s| result << s} + assert_equal([S("a"), S("b"), S("c")], result) + result = []; S(" a b\t c ").split(S(" ")) {|s| result << s} + assert_equal([S("a"), S("b"), S("c")], result) + + result = []; S(" a | b | c ").split(S("|")) {|s| result << s} + assert_equal([S(" a "), S(" b "), S(" c ")], result) + + result = []; S("aXXbXXcXX").split(/X./) {|s| result << s} + assert_equal([S("a"), S("b"), S("c")], result) + + result = []; S("abc").split(//) {|s| result << s} + assert_equal([S("a"), S("b"), S("c")], result) + + result = []; S("a|b|c").split(S('|'), 1) {|s| result << s} + assert_equal([S("a|b|c")], result) + + result = []; S("a|b|c").split(S('|'), 2) {|s| result << s} + assert_equal([S("a"), S("b|c")], result) + result = []; S("a|b|c").split(S('|'), 3) {|s| result << s} + assert_equal([S("a"), S("b"), S("c")], result) + + result = []; S("a|b|c|").split(S('|'), -1) {|s| result << s} + assert_equal([S("a"), S("b"), S("c"), S("")], result) + result = []; S("a|b|c||").split(S('|'), -1) {|s| result << s} + assert_equal([S("a"), S("b"), S("c"), S(""), S("")], result) - assert_equal("[2, 3]", [1,2,3].slice!(1,10000).inspect, "moved from btest/knownbug") + result = []; S("a||b|c|").split(S('|')) {|s| result << s} + assert_equal([S("a"), S(""), S("b"), S("c")], result) + result = []; S("a||b|c|").split(S('|'), -1) {|s| result << s} + assert_equal([S("a"), S(""), S("b"), S("c"), S("")], result) + + result = []; "".split(//, 1) {|s| result << s} + assert_equal([], result) + + result = []; "aaa,bbb,ccc,ddd".split(/,/) {|s| result << s.gsub(/./, "A")} + assert_equal(["AAA"]*4, result) ensure - $; = fs + EnvUtil.suppress_warning {$; = fs} end def test_fs assert_raise_with_message(TypeError, /\$;/) { $; = [] } + + assert_separately(%W[-W0], "#{<<~"begin;"}\n#{<<~'end;'}") + bug = '[ruby-core:79582] $; must not be GCed' + begin; + $; = " " + $a = nil + alias $; $a + alias $-F $a + GC.start + assert_equal([], "".split, bug) + end; end def test_split_encoding @@ -1454,10 +1790,7 @@ CODE def test_split_wchar bug8642 = '[ruby-core:56036] [Bug #8642]' - [ - Encoding::UTF_16BE, Encoding::UTF_16LE, - Encoding::UTF_32BE, Encoding::UTF_32LE, - ].each do |enc| + WIDE_ENCODINGS.each do |enc| s = S("abc,def".encode(enc)) assert_equal(["abc", "def"].map {|c| c.encode(enc)}, s.split(",".encode(enc)), @@ -1479,6 +1812,17 @@ CODE } end + def test_split_dupped + s = "abc" + s.split("b", 1).map(&:upcase!) + assert_equal("abc", s) + end + + def test_split_lookbehind + assert_equal([S("ab"), S("d")], S("abcd").split(/(?<=b)c/)) + assert_equal([S("ab"), S("d")], S("abcd").split(/b\Kc/)) + end + def test_squeeze assert_equal(S("abc"), S("aaabbbbccc").squeeze) assert_equal(S("aa bb cc"), S("aa bb cc").squeeze(S(" "))) @@ -1511,11 +1855,17 @@ CODE bug5536 = '[ruby-core:40623]' assert_raise(TypeError, bug5536) {S("str").start_with? :not_convertible_to_string} + + assert_equal(true, "hello".start_with?(/hel/)) + assert_equal("hel", $&) + assert_equal(false, "hello".start_with?(/el/)) + assert_nil($&) end def test_strip assert_equal(S("x"), S(" x ").strip) assert_equal(S("x"), S(" \n\r\t x \t\r\n\n ").strip) + assert_equal(S("x"), S("\x00x\x00").strip) assert_equal("0b0 ".force_encoding("UTF-16BE"), "\x00 0b0 ".force_encoding("UTF-16BE").strip) @@ -1534,6 +1884,10 @@ CODE assert_equal(S("x"), a.strip!) assert_equal(S("x"), a) + a = S("\x00x\x00") + assert_equal(S("x"), a.strip!) + assert_equal(S("x"), a) + a = S("x") assert_nil(a.strip!) assert_equal(S("x") ,a) @@ -1579,11 +1933,6 @@ CODE assert_equal(S("a\\&aba"), S("ababa").sub(/b/, '\\\\&')) assert_equal(S("a\\baba"), S("ababa").sub(/b/, '\\\\\&')) - a = S("hello") - a.taint - x = a.sub(/./, S('X')) - assert_predicate(x, :tainted?) - o = Object.new def o.to_str; "bar"; end assert_equal("fooBARbaz", "foobarbaz".sub(o, "BAR")) @@ -1631,10 +1980,11 @@ CODE a=S("hello") assert_nil(a.sub!(/X/, S('Y'))) - r = S('X') - r.taint - a.sub!(/./, r) - assert_predicate(a, :tainted?) + bug16105 = '[Bug #16105] heap-use-after-free' + a = S("ABCDEFGHIJKLMNOPQRSTUVWXYZ012345678") + b = a.dup + c = a.slice(1, 100) + assert_equal("AABCDEFGHIJKLMNOPQRSTUVWXYZ012345678", b.sub!(c, b), bug16105) end def test_succ @@ -1660,6 +2010,11 @@ CODE assert_equal("!", " ".succ) assert_equal("", "".succ) + + bug = '[ruby-core:83062] [Bug #13952]' + s = "\xff".b + assert_not_predicate(s, :ascii_only?) + assert_predicate(s.succ, :ascii_only?, bug) end def test_succ! @@ -1752,6 +2107,8 @@ CODE def test_swapcase assert_equal(S("hi&LOW"), S("HI&low").swapcase) + s = S("") + assert_not_same(s, s.swapcase) end def test_swapcase! @@ -1851,8 +2208,13 @@ CODE assert_equal(false, "\u3041\u3042".tr("\u3041", "a").ascii_only?) bug6156 = '[ruby-core:43335]' + bug13950 = '[ruby-core:83056] [Bug #13950]' str, range, star = %w[b a-z *].map{|s|s.encode("utf-16le")} - assert_equal(star, str.tr(range, star), bug6156) + result = str.tr(range, star) + assert_equal(star, result, bug6156) + assert_not_predicate(str, :ascii_only?) + assert_not_predicate(star, :ascii_only?) + assert_not_predicate(result, :ascii_only?, bug13950) end def test_tr! @@ -1982,6 +2344,7 @@ CODE assert_equal(S("HELLO"), S("hello").upcase) assert_equal(S("HELLO"), S("HELLO").upcase) assert_equal(S("ABC HELLO 123"), S("abc HELLO 123").upcase) + assert_equal(S("H\0""ELLO"), S("H\0""ello").upcase) end def test_upcase! @@ -1994,6 +2357,12 @@ CODE a = S("HELLO") assert_nil(a.upcase!) assert_equal(S("HELLO"), a) + + a = S("H\0""ello") + b = a.dup + assert_equal(S("H\0""ELLO"), a.upcase!) + assert_equal(S("H\0""ELLO"), a) + assert_equal(S("H\0""ello"), b) end def test_upto @@ -2040,7 +2409,7 @@ CODE end def test_frozen_check - assert_raise(RuntimeError) { + assert_raise(FrozenError) { s = "" s.sub!(/\A/) { s.freeze; "zzz" } } @@ -2213,7 +2582,16 @@ CODE end assert_equal(["\u30E6\u30FC\u30B6", "@", "\u30C9\u30E1.\u30A4\u30F3"], - "\u30E6\u30FC\u30B6@\u30C9\u30E1.\u30A4\u30F3".partition(/[@.]/)) + "\u30E6\u30FC\u30B6@\u30C9\u30E1.\u30A4\u30F3".partition(/[@.]/)) + + bug = '[ruby-core:82911]' + hello = "hello" + hello.partition("hi").map(&:upcase!) + assert_equal("hello", hello, bug) + + assert_equal(["", "", "foo"], "foo".partition(/^=*/)) + + assert_equal([S("ab"), S("c"), S("dbce")], S("abcdbce").partition(/b\Kc/)) end def test_rpartition @@ -2233,6 +2611,13 @@ CODE bug8138 = '[ruby-dev:47183]' assert_equal(["\u30E6\u30FC\u30B6@\u30C9\u30E1", ".", "\u30A4\u30F3"], "\u30E6\u30FC\u30B6@\u30C9\u30E1.\u30A4\u30F3".rpartition(/[@.]/), bug8138) + + bug = '[ruby-core:82911]' + hello = "hello" + hello.rpartition("hi").map(&:upcase!) + assert_equal("hello", hello, bug) + + assert_equal([S("abcdb"), S("c"), S("e")], S("abcdbce").rpartition(/b\Kc/)) end def test_setter @@ -2296,7 +2681,18 @@ CODE =end def test_casecmp + assert_equal(0, "FoO".casecmp("fOO")) + assert_equal(1, "FoO".casecmp("BaR")) + assert_equal(-1, "baR".casecmp("FoO")) assert_equal(1, "\u3042B".casecmp("\u3042a")) + assert_equal(-1, "foo".casecmp("foo\0")) + + assert_nil("foo".casecmp(:foo)) + assert_nil("foo".casecmp(Object.new)) + + o = Object.new + def o.to_str; "fOO"; end + assert_equal(0, "FoO".casecmp(o)) end def test_casecmp? @@ -2304,6 +2700,14 @@ CODE assert_equal(false, 'FoO'.casecmp?('BaR')) assert_equal(false, 'baR'.casecmp?('FoO')) assert_equal(true, 'äöü'.casecmp?('ÄÖÜ')) + assert_equal(false, "foo".casecmp?("foo\0")) + + assert_nil("foo".casecmp?(:foo)) + assert_nil("foo".casecmp?(Object.new)) + + o = Object.new + def o.to_str; "fOO"; end + assert_equal(true, "FoO".casecmp?(o)) end def test_upcase2 @@ -2317,6 +2721,7 @@ CODE def test_rstrip assert_equal(" hello", " hello ".rstrip) assert_equal("\u3042", "\u3042 ".rstrip) + assert_equal("\u3042", "\u3042\u0000".rstrip) assert_raise(Encoding::CompatibilityError) { "\u3042".encode("ISO-2022-JP").rstrip } end @@ -2337,12 +2742,17 @@ CODE assert_equal(nil, s4.rstrip!) assert_equal("\u3042", s4) + s5 = S("\u3042\u0000") + assert_equal("\u3042", s5.rstrip!) + assert_equal("\u3042", s5) + assert_raise(Encoding::CompatibilityError) { "\u3042".encode("ISO-2022-JP").rstrip! } end def test_lstrip assert_equal("hello ", " hello ".lstrip) assert_equal("\u3042", " \u3042".lstrip) + assert_equal("hello ", "\x00hello ".lstrip) end def test_lstrip_bang @@ -2361,6 +2771,227 @@ CODE s4 = S("\u3042") assert_equal(nil, s4.lstrip!) assert_equal("\u3042", s4) + + s5 = S("\u0000\u3042") + assert_equal("\u3042", s5.lstrip!) + assert_equal("\u3042", s5) + + end + + def test_delete_prefix + assert_raise(TypeError) { 'hello'.delete_prefix(nil) } + assert_raise(TypeError) { 'hello'.delete_prefix(1) } + assert_raise(TypeError) { 'hello'.delete_prefix(/hel/) } + + s = S("hello") + assert_equal("lo", s.delete_prefix('hel')) + assert_equal("hello", s) + + s = S("hello") + assert_equal("hello", s.delete_prefix('lo')) + assert_equal("hello", s) + + s = S("\u{3053 3093 306b 3061 306f}") + assert_equal("\u{306b 3061 306f}", s.delete_prefix("\u{3053 3093}")) + assert_equal("\u{3053 3093 306b 3061 306f}", s) + + s = S("\u{3053 3093 306b 3061 306f}") + assert_equal("\u{3053 3093 306b 3061 306f}", s.delete_prefix('hel')) + assert_equal("\u{3053 3093 306b 3061 306f}", s) + + s = S("hello") + assert_equal("hello", s.delete_prefix("\u{3053 3093}")) + assert_equal("hello", s) + + # skip if argument is a broken string + s = S("\xe3\x81\x82") + assert_equal("\xe3\x81\x82", s.delete_prefix("\xe3")) + assert_equal("\xe3\x81\x82", s) + + s = S("\x95\x5c").force_encoding("Shift_JIS") + assert_equal("\x95\x5c".force_encoding("Shift_JIS"), s.delete_prefix("\x95")) + assert_equal("\x95\x5c".force_encoding("Shift_JIS"), s) + + # clear coderange + s = S("\u{3053 3093}hello") + assert_not_predicate(s, :ascii_only?) + assert_predicate(s.delete_prefix("\u{3053 3093}"), :ascii_only?) + + # argument should be converted to String + klass = Class.new { def to_str; 'a'; end } + s = S("abba") + assert_equal("bba", s.delete_prefix(klass.new)) + assert_equal("abba", s) + end + + def test_delete_prefix_bang + assert_raise(TypeError) { 'hello'.delete_prefix!(nil) } + assert_raise(TypeError) { 'hello'.delete_prefix!(1) } + assert_raise(TypeError) { 'hello'.delete_prefix!(/hel/) } + + s = S("hello") + assert_equal("lo", s.delete_prefix!('hel')) + assert_equal("lo", s) + + s = S("hello") + assert_equal(nil, s.delete_prefix!('lo')) + assert_equal("hello", s) + + s = S("\u{3053 3093 306b 3061 306f}") + assert_equal("\u{306b 3061 306f}", s.delete_prefix!("\u{3053 3093}")) + assert_equal("\u{306b 3061 306f}", s) + + s = S("\u{3053 3093 306b 3061 306f}") + assert_equal(nil, s.delete_prefix!('hel')) + assert_equal("\u{3053 3093 306b 3061 306f}", s) + + s = S("hello") + assert_equal(nil, s.delete_prefix!("\u{3053 3093}")) + assert_equal("hello", s) + + # skip if argument is a broken string + s = S("\xe3\x81\x82") + assert_equal(nil, s.delete_prefix!("\xe3")) + assert_equal("\xe3\x81\x82", s) + + # clear coderange + s = S("\u{3053 3093}hello") + assert_not_predicate(s, :ascii_only?) + assert_predicate(s.delete_prefix!("\u{3053 3093}"), :ascii_only?) + + # argument should be converted to String + klass = Class.new { def to_str; 'a'; end } + s = S("abba") + assert_equal("bba", s.delete_prefix!(klass.new)) + assert_equal("bba", s) + + s = S("ax").freeze + assert_raise_with_message(FrozenError, /frozen/) {s.delete_prefix!("a")} + + s = S("ax") + o = Struct.new(:s).new(s) + def o.to_str + s.freeze + "a" + end + assert_raise_with_message(FrozenError, /frozen/) {s.delete_prefix!(o)} + end + + def test_delete_suffix + assert_raise(TypeError) { 'hello'.delete_suffix(nil) } + assert_raise(TypeError) { 'hello'.delete_suffix(1) } + assert_raise(TypeError) { 'hello'.delete_suffix(/hel/) } + + s = S("hello") + assert_equal("hel", s.delete_suffix('lo')) + assert_equal("hello", s) + + s = S("hello") + assert_equal("hello", s.delete_suffix('he')) + assert_equal("hello", s) + + s = S("\u{3053 3093 306b 3061 306f}") + assert_equal("\u{3053 3093 306b}", s.delete_suffix("\u{3061 306f}")) + assert_equal("\u{3053 3093 306b 3061 306f}", s) + + s = S("\u{3053 3093 306b 3061 306f}") + assert_equal("\u{3053 3093 306b 3061 306f}", s.delete_suffix('lo')) + assert_equal("\u{3053 3093 306b 3061 306f}", s) + + s = S("hello") + assert_equal("hello", s.delete_suffix("\u{3061 306f}")) + assert_equal("hello", s) + + # skip if argument is a broken string + s = S("\xe3\x81\x82") + assert_equal("\xe3\x81\x82", s.delete_suffix("\x82")) + assert_equal("\xe3\x81\x82", s) + + # clear coderange + s = S("hello\u{3053 3093}") + assert_not_predicate(s, :ascii_only?) + assert_predicate(s.delete_suffix("\u{3053 3093}"), :ascii_only?) + + # argument should be converted to String + klass = Class.new { def to_str; 'a'; end } + s = S("abba") + assert_equal("abb", s.delete_suffix(klass.new)) + assert_equal("abba", s) + + # chomp removes any of "\n", "\r\n", "\r" when "\n" is specified, + # but delete_suffix does not + s = "foo\n" + assert_equal("foo", s.delete_suffix("\n")) + s = "foo\r\n" + assert_equal("foo\r", s.delete_suffix("\n")) + s = "foo\r" + assert_equal("foo\r", s.delete_suffix("\n")) + end + + def test_delete_suffix_bang + assert_raise(TypeError) { 'hello'.delete_suffix!(nil) } + assert_raise(TypeError) { 'hello'.delete_suffix!(1) } + assert_raise(TypeError) { 'hello'.delete_suffix!(/hel/) } + + s = S("hello").freeze + assert_raise_with_message(FrozenError, /frozen/) {s.delete_suffix!('lo')} + + s = S("ax") + o = Struct.new(:s).new(s) + def o.to_str + s.freeze + "x" + end + assert_raise_with_message(FrozenError, /frozen/) {s.delete_suffix!(o)} + + s = S("hello") + assert_equal("hel", s.delete_suffix!('lo')) + assert_equal("hel", s) + + s = S("hello") + assert_equal(nil, s.delete_suffix!('he')) + assert_equal("hello", s) + + s = S("\u{3053 3093 306b 3061 306f}") + assert_equal("\u{3053 3093 306b}", s.delete_suffix!("\u{3061 306f}")) + assert_equal("\u{3053 3093 306b}", s) + + s = S("\u{3053 3093 306b 3061 306f}") + assert_equal(nil, s.delete_suffix!('lo')) + assert_equal("\u{3053 3093 306b 3061 306f}", s) + + s = S("hello") + assert_equal(nil, s.delete_suffix!("\u{3061 306f}")) + assert_equal("hello", s) + + # skip if argument is a broken string + s = S("\xe3\x81\x82") + assert_equal(nil, s.delete_suffix!("\x82")) + assert_equal("\xe3\x81\x82", s) + + s = S("\x95\x5c").force_encoding("Shift_JIS") + assert_equal(nil, s.delete_suffix!("\x5c")) + assert_equal("\x95\x5c".force_encoding("Shift_JIS"), s) + + # clear coderange + s = S("hello\u{3053 3093}") + assert_not_predicate(s, :ascii_only?) + assert_predicate(s.delete_suffix!("\u{3053 3093}"), :ascii_only?) + + # argument should be converted to String + klass = Class.new { def to_str; 'a'; end } + s = S("abba") + assert_equal("abb", s.delete_suffix!(klass.new)) + assert_equal("abb", s) + + # chomp removes any of "\n", "\r\n", "\r" when "\n" is specified, + # but delete_suffix does not + s = "foo\n" + assert_equal("foo", s.delete_suffix!("\n")) + s = "foo\r\n" + assert_equal("foo\r", s.delete_suffix!("\n")) + s = "foo\r" + assert_equal(nil, s.delete_suffix!("\n")) end =begin @@ -2371,6 +3002,23 @@ CODE end =end + def test_nesting_shared + a = ('a' * 24).encode(Encoding::ASCII).gsub('x', '') + hash = {} + hash[a] = true + assert_equal(('a' * 24), a) + 4.times { GC.start } + assert_equal(('a' * 24), a, '[Bug #15792]') + end + + def test_nesting_shared_b + a = ('j' * 24).b.b + eval('', binding, a) + assert_equal(('j' * 24), a) + 4.times { GC.start } + assert_equal(('j' * 24), a, '[Bug #15934]') + end + def test_shared_force_encoding s = "\u{3066}\u{3059}\u{3068}".gsub(//, '') h = {} @@ -2386,8 +3034,7 @@ CODE def test_ascii_incomat_inspect bug4081 = '[ruby-core:33283]' - [Encoding::UTF_16LE, Encoding::UTF_16BE, - Encoding::UTF_32LE, Encoding::UTF_32BE].each do |e| + WIDE_ENCODINGS.each do |e| assert_equal('"abc"', "abc".encode(e).inspect) assert_equal('"\\u3042\\u3044\\u3046"', "\u3042\u3044\u3046".encode(e).inspect) assert_equal('"ab\\"c"', "ab\"c".encode(e).inspect, bug4081) @@ -2515,20 +3162,55 @@ CODE def test_uplus_minus str = "foo" - assert_equal(false, str.frozen?) - assert_equal(false, (+str).frozen?) - assert_equal(true, (-str).frozen?) + assert_not_predicate(str, :frozen?) + assert_not_predicate(+str, :frozen?) + assert_predicate(-str, :frozen?) - assert_equal(str.object_id, (+str).object_id) - assert_not_equal(str.object_id, (-str).object_id) + assert_same(str, +str) + assert_not_same(str, -str) str = "bar".freeze - assert_equal(true, str.frozen?) - assert_equal(false, (+str).frozen?) - assert_equal(true, (-str).frozen?) + assert_predicate(str, :frozen?) + assert_not_predicate(+str, :frozen?) + assert_predicate(-str, :frozen?) + + assert_not_same(str, +str) + assert_same(str, -str) + + bar = %w(b a r).join('') + assert_same(str, -bar, "uminus deduplicates [Feature #13077]") + end + + def test_uminus_frozen + # embedded + str1 = ("foobar" * 3).freeze + str2 = ("foobar" * 3).freeze + assert_not_same str1, str2 + assert_same str1, -str1 + assert_same str1, -str2 - assert_not_equal(str.object_id, (+str).object_id) - assert_equal(str.object_id, (-str).object_id) + # regular + str1 = ("foobar" * 4).freeze + str2 = ("foobar" * 4).freeze + assert_not_same str1, str2 + assert_same str1, -str1 + assert_same str1, -str2 + end + + def test_uminus_no_freeze_not_bare + str = @cls.new("foo") + assert_instance_of(@cls, -str) + assert_equal(false, str.frozen?) + + str = @cls.new("foo") + str.instance_variable_set(:@iv, 1) + assert_instance_of(@cls, -str) + assert_equal(false, str.frozen?) + assert_equal(1, str.instance_variable_get(:@iv)) + + str = @cls.new("foo") + assert_instance_of(@cls, -str) + assert_equal(false, str.frozen?) end def test_ord @@ -2544,6 +3226,18 @@ CODE assert_equal("\u3042", "\u3042\u3043".chr) assert_equal('', ''.chr) end + + def test_substr_code_range + data = "\xff" + "a"*200 + assert_not_predicate(data, :valid_encoding?) + assert_predicate(data[100..-1], :valid_encoding?) + end + + def test_slice_bang_code_range + str = "[Bug #19739] ABC OÜ" + str.slice!(/ oü$/i) + assert_predicate str, :ascii_only? + end end class TestString2 < TestString |
