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Diffstat (limited to 'jni/ruby/test/ruby/test_string.rb')
-rw-r--r-- | jni/ruby/test/ruby/test_string.rb | 2314 |
1 files changed, 2314 insertions, 0 deletions
diff --git a/jni/ruby/test/ruby/test_string.rb b/jni/ruby/test/ruby/test_string.rb new file mode 100644 index 0000000..4cd6afd --- /dev/null +++ b/jni/ruby/test/ruby/test_string.rb @@ -0,0 +1,2314 @@ +require 'test/unit' + +# use of $= is deprecated after 1.7.1 +def pre_1_7_1 +end + +class TestString < Test::Unit::TestCase + ENUMERATOR_WANTARRAY = RUBY_VERSION >= "3.0.0" + + def initialize(*args) + @cls = String + @aref_re_nth = true + @aref_re_silent = false + @aref_slicebang_silent = true + super + end + + def S(str) + @cls.new(str) + end + + def test_s_new + assert_equal("RUBY", S("RUBY")) + end + + def test_AREF # '[]' + assert_equal("A", S("AooBar")[0]) + assert_equal("B", S("FooBaB")[-1]) + assert_equal(nil, S("FooBar")[6]) + assert_equal(nil, S("FooBar")[-7]) + + assert_equal(S("Foo"), S("FooBar")[0,3]) + assert_equal(S("Bar"), S("FooBar")[-3,3]) + assert_equal(S(""), S("FooBar")[6,2]) + assert_equal(nil, S("FooBar")[-7,10]) + + assert_equal(S("Foo"), S("FooBar")[0..2]) + assert_equal(S("Foo"), S("FooBar")[0...3]) + assert_equal(S("Bar"), S("FooBar")[-3..-1]) + assert_equal(S(""), S("FooBar")[6..2]) + assert_equal(nil, S("FooBar")[-10..-7]) + + assert_equal(S("Foo"), S("FooBar")[/^F../]) + assert_equal(S("Bar"), S("FooBar")[/..r$/]) + assert_equal(nil, S("FooBar")[/xyzzy/]) + assert_equal(nil, S("FooBar")[/plugh/]) + + assert_equal(S("Foo"), S("FooBar")[S("Foo")]) + assert_equal(S("Bar"), S("FooBar")[S("Bar")]) + assert_equal(nil, S("FooBar")[S("xyzzy")]) + assert_equal(nil, S("FooBar")[S("plugh")]) + + if @aref_re_nth + assert_equal(S("Foo"), S("FooBar")[/([A-Z]..)([A-Z]..)/, 1]) + assert_equal(S("Bar"), S("FooBar")[/([A-Z]..)([A-Z]..)/, 2]) + assert_equal(nil, S("FooBar")[/([A-Z]..)([A-Z]..)/, 3]) + assert_equal(S("Bar"), S("FooBar")[/([A-Z]..)([A-Z]..)/, -1]) + assert_equal(S("Foo"), S("FooBar")[/([A-Z]..)([A-Z]..)/, -2]) + assert_equal(nil, S("FooBar")[/([A-Z]..)([A-Z]..)/, -3]) + end + + o = Object.new + def o.to_int; 2; end + assert_equal("o", "foo"[o]) + + assert_raise(ArgumentError) { "foo"[] } + end + + def test_ASET # '[]=' + s = S("FooBar") + s[0] = S('A') + assert_equal(S("AooBar"), s) + + s[-1]= S('B') + assert_equal(S("AooBaB"), s) + assert_raise(IndexError) { s[-7] = S("xyz") } + assert_equal(S("AooBaB"), s) + s[0] = S("ABC") + assert_equal(S("ABCooBaB"), s) + + s = S("FooBar") + s[0,3] = S("A") + assert_equal(S("ABar"),s) + s[0] = S("Foo") + assert_equal(S("FooBar"), s) + s[-3,3] = S("Foo") + assert_equal(S("FooFoo"), s) + assert_raise(IndexError) { s[7,3] = S("Bar") } + assert_raise(IndexError) { s[-7,3] = S("Bar") } + + s = S("FooBar") + s[0..2] = S("A") + assert_equal(S("ABar"), s) + s[1..3] = S("Foo") + assert_equal(S("AFoo"), s) + s[-4..-4] = S("Foo") + assert_equal(S("FooFoo"), s) + assert_raise(RangeError) { s[7..10] = S("Bar") } + assert_raise(RangeError) { s[-7..-10] = S("Bar") } + + s = S("FooBar") + s[/^F../]= S("Bar") + assert_equal(S("BarBar"), s) + s[/..r$/] = S("Foo") + assert_equal(S("BarFoo"), s) + if @aref_re_silent + s[/xyzzy/] = S("None") + assert_equal(S("BarFoo"), s) + else + assert_raise(IndexError) { s[/xyzzy/] = S("None") } + end + if @aref_re_nth + s[/([A-Z]..)([A-Z]..)/, 1] = S("Foo") + assert_equal(S("FooFoo"), s) + s[/([A-Z]..)([A-Z]..)/, 2] = S("Bar") + assert_equal(S("FooBar"), s) + assert_raise(IndexError) { s[/([A-Z]..)([A-Z]..)/, 3] = "None" } + s[/([A-Z]..)([A-Z]..)/, -1] = S("Foo") + assert_equal(S("FooFoo"), s) + s[/([A-Z]..)([A-Z]..)/, -2] = S("Bar") + assert_equal(S("BarFoo"), s) + assert_raise(IndexError) { s[/([A-Z]..)([A-Z]..)/, -3] = "None" } + end + + s = S("FooBar") + s[S("Foo")] = S("Bar") + assert_equal(S("BarBar"), s) + + pre_1_7_1 do + s = S("FooBar") + s[S("Foo")] = S("xyz") + assert_equal(S("xyzBar"), s) + + $= = true + s = S("FooBar") + s[S("FOO")] = S("Bar") + assert_equal(S("BarBar"), s) + s[S("FOO")] = S("xyz") + assert_equal(S("BarBar"), s) + $= = false + end + + s = S("a string") + s[0..s.size] = S("another string") + assert_equal(S("another string"), s) + + o = Object.new + def o.to_int; 2; end + s = "foo" + s[o] = "bar" + assert_equal("fobar", s) + + assert_raise(ArgumentError) { "foo"[1, 2, 3] = "" } + end + + def test_CMP # '<=>' + assert_equal(1, S("abcdef") <=> S("abcde")) + assert_equal(0, S("abcdef") <=> S("abcdef")) + assert_equal(-1, S("abcde") <=> S("abcdef")) + + assert_equal(-1, S("ABCDEF") <=> S("abcdef")) + + pre_1_7_1 do + $= = true + assert_equal(0, S("ABCDEF") <=> S("abcdef")) + $= = false + end + + assert_nil("foo" <=> Object.new) + + o = Object.new + def o.to_str; "bar"; end + assert_equal(1, "foo" <=> o) + + class << o;remove_method :to_str;end + def o.<=>(x); nil; end + assert_nil("foo" <=> o) + + class << o;remove_method :<=>;end + def o.<=>(x); 1; end + assert_equal(-1, "foo" <=> o) + + class << o;remove_method :<=>;end + def o.<=>(x); 2**100; end + assert_equal(-1, "foo" <=> o) + end + + def test_EQUAL # '==' + assert_not_equal(:foo, S("foo")) + assert_equal(S("abcdef"), S("abcdef")) + + pre_1_7_1 do + $= = true + assert_equal(S("CAT"), S('cat')) + assert_equal(S("CaT"), S('cAt')) + $= = false + end + + assert_not_equal(S("CAT"), S('cat')) + assert_not_equal(S("CaT"), S('cAt')) + + o = Object.new + def o.to_str; end + def o.==(x); false; end + assert_equal(false, "foo" == o) + class << o;remove_method :==;end + def o.==(x); true; end + assert_equal(true, "foo" == o) + end + + def test_LSHIFT # '<<' + assert_equal(S("world!"), S("world") << 33) + assert_equal(S("world!"), S("world") << S("!")) + + s = "a" + 10.times {|i| + s << s + assert_equal("a" * (2 << i), s) + } + + s = ["foo"].pack("p") + l = s.size + s << "bar" + assert_equal(l + 3, s.size) + + bug = '[ruby-core:27583]' + assert_raise(RangeError, bug) {S("a".force_encoding(Encoding::UTF_8)) << -3} + assert_raise(RangeError, bug) {S("a".force_encoding(Encoding::UTF_8)) << -2} + assert_raise(RangeError, bug) {S("a".force_encoding(Encoding::UTF_8)) << -1} + assert_raise(RangeError, bug) {S("a".force_encoding(Encoding::UTF_8)) << 0x81308130} + assert_nothing_raised {S("a".force_encoding(Encoding::GB18030)) << 0x81308130} + end + + def test_MATCH # '=~' + assert_equal(10, S("FeeFieFoo-Fum") =~ /Fum$/) + assert_equal(nil, S("FeeFieFoo-Fum") =~ /FUM$/) + + pre_1_7_1 do + $= = true + assert_equal(10, S("FeeFieFoo-Fum") =~ /FUM$/) + $= = false + end + + o = Object.new + def o.=~(x); x + "bar"; end + assert_equal("foobar", S("foo") =~ o) + + assert_raise(TypeError) { S("foo") =~ "foo" } + end + + def test_MOD # '%' + assert_equal(S("00123"), S("%05d") % 123) + assert_equal(S("123 |00000001"), S("%-5s|%08x") % [123, 1]) + x = S("%3s %-4s%%foo %.0s%5d %#x%c%3.1f %b %x %X %#b %#x %#X") % + [S("hi"), + 123, + S("never seen"), + 456, + 0, + ?A, + 3.0999, + 11, + 171, + 171, + 11, + 171, + 171] + + assert_equal(S(' hi 123 %foo 456 0A3.1 1011 ab AB 0b1011 0xab 0XAB'), x) + end + + def test_MUL # '*' + assert_equal(S("XXX"), S("X") * 3) + assert_equal(S("HOHO"), S("HO") * 2) + end + + def test_PLUS # '+' + assert_equal(S("Yodel"), S("Yo") + S("del")) + end + + def casetest(a, b, rev=false) + msg = proc {"#{a} should#{' not' if rev} match #{b}"} + case a + when b + assert(!rev, msg) + else + assert(rev, msg) + end + end + + def test_VERY_EQUAL # '===' + # assert_equal(true, S("foo") === :foo) + casetest(S("abcdef"), S("abcdef")) + + pre_1_7_1 do + $= = true + casetest(S("CAT"), S('cat')) + casetest(S("CaT"), S('cAt')) + $= = false + end + + casetest(S("CAT"), S('cat'), true) # Reverse the test - we don't want to + casetest(S("CaT"), S('cAt'), true) # find these in the case. + end + + def test_capitalize + assert_equal(S("Hello"), S("hello").capitalize) + assert_equal(S("Hello"), S("hELLO").capitalize) + assert_equal(S("123abc"), S("123ABC").capitalize) + end + + def test_capitalize! + a = S("hello"); a.capitalize! + assert_equal(S("Hello"), a) + + a = S("hELLO"); a.capitalize! + assert_equal(S("Hello"), a) + + a = S("123ABC"); a.capitalize! + assert_equal(S("123abc"), a) + + assert_equal(nil, S("123abc").capitalize!) + assert_equal(S("123abc"), S("123ABC").capitalize!) + assert_equal(S("Abc"), S("ABC").capitalize!) + assert_equal(S("Abc"), S("abc").capitalize!) + assert_equal(nil, S("Abc").capitalize!) + + a = S("hello") + b = a.dup + assert_equal(S("Hello"), a.capitalize!) + assert_equal(S("hello"), b) + + end + + Bug2463 = '[ruby-dev:39856]' + def test_center + assert_equal(S("hello"), S("hello").center(4)) + assert_equal(S(" hello "), S("hello").center(11)) + assert_equal(S("ababaababa"), S("").center(10, "ab"), Bug2463) + assert_equal(S("ababaababab"), S("").center(11, "ab"), Bug2463) + end + + def test_chomp + assert_equal(S("hello"), S("hello").chomp("\n")) + assert_equal(S("hello"), S("hello\n").chomp("\n")) + save = $/ + + $/ = "\n" + + assert_equal(S("hello"), S("hello").chomp) + assert_equal(S("hello"), S("hello\n").chomp) + + $/ = "!" + assert_equal(S("hello"), S("hello").chomp) + assert_equal(S("hello"), S("hello!").chomp) + $/ = save + + assert_equal(S("a").hash, S("a\u0101").chomp(S("\u0101")).hash, '[ruby-core:22414]') + end + + def test_chomp! + a = S("hello") + a.chomp!(S("\n")) + + assert_equal(S("hello"), a) + assert_equal(nil, a.chomp!(S("\n"))) + + a = S("hello\n") + a.chomp!(S("\n")) + assert_equal(S("hello"), a) + save = $/ + + $/ = "\n" + a = S("hello") + a.chomp! + assert_equal(S("hello"), a) + + a = S("hello\n") + a.chomp! + assert_equal(S("hello"), a) + + $/ = "!" + a = S("hello") + a.chomp! + assert_equal(S("hello"), a) + + a="hello!" + a.chomp! + assert_equal(S("hello"), a) + + $/ = save + + a = S("hello\n") + b = a.dup + assert_equal(S("hello"), a.chomp!) + assert_equal(S("hello\n"), b) + + s = "foo\r\n" + s.chomp! + assert_equal("foo", s) + + s = "foo\r" + s.chomp! + assert_equal("foo", s) + + s = "foo\r\n" + s.chomp!("") + assert_equal("foo", s) + + s = "foo\r" + s.chomp!("") + assert_equal("foo\r", s) + + assert_equal(S("a").hash, S("a\u0101").chomp!(S("\u0101")).hash, '[ruby-core:22414]') + end + + def test_chop + assert_equal(S("hell"), S("hello").chop) + assert_equal(S("hello"), S("hello\r\n").chop) + assert_equal(S("hello\n"), S("hello\n\r").chop) + assert_equal(S(""), S("\r\n").chop) + assert_equal(S(""), S("").chop) + assert_equal(S("a").hash, S("a\u00d8").chop.hash) + end + + def test_chop! + a = S("hello").chop! + assert_equal(S("hell"), a) + + a = S("hello\r\n").chop! + assert_equal(S("hello"), a) + + a = S("hello\n\r").chop! + assert_equal(S("hello\n"), a) + + a = S("\r\n").chop! + assert_equal(S(""), a) + + a = S("").chop! + assert_nil(a) + + a = S("a\u00d8") + a.chop! + assert_equal(S("a").hash, a.hash) + + a = S("hello\n") + b = a.dup + assert_equal(S("hello"), a.chop!) + assert_equal(S("hello\n"), b) + 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 + end + + null = File.exist?("/dev/null") ? "/dev/null" : "NUL" # maybe DOSISH + assert_equal("", File.read(null).clone, '[ruby-dev:32819] reported by Kazuhiro NISHIYAMA') + end + + def test_concat + assert_equal(S("world!"), S("world").concat(33)) + assert_equal(S("world!"), S("world").concat(S('!'))) + + bug7090 = '[ruby-core:47751]' + result = S("").force_encoding(Encoding::UTF_16LE) + result << 0x0300 + expected = S("\u0300".encode(Encoding::UTF_16LE)) + assert_equal(expected, result, bug7090) + assert_raise(TypeError) { 'foo' << :foo } + end + + def test_count + a = S("hello world") + assert_equal(5, a.count(S("lo"))) + assert_equal(2, a.count(S("lo"), S("o"))) + assert_equal(4, a.count(S("hello"), S("^l"))) + assert_equal(4, a.count(S("ej-m"))) + assert_equal(0, S("y").count(S("a\\-z"))) + assert_equal(5, "abc\u{3042 3044 3046}".count("^a")) + assert_equal(1, "abc\u{3042 3044 3046}".count("\u3042")) + assert_equal(5, "abc\u{3042 3044 3046}".count("^\u3042")) + assert_equal(2, "abc\u{3042 3044 3046}".count("a-z", "^a")) + assert_equal(0, "abc\u{3042 3044 3046}".count("a", "\u3042")) + assert_equal(0, "abc\u{3042 3044 3046}".count("\u3042", "a")) + assert_equal(0, "abc\u{3042 3044 3046}".count("\u3042", "\u3044")) + assert_equal(4, "abc\u{3042 3044 3046}".count("^a", "^\u3044")) + assert_equal(4, "abc\u{3042 3044 3046}".count("^\u3044", "^a")) + assert_equal(4, "abc\u{3042 3044 3046}".count("^\u3042", "^\u3044")) + + assert_raise(ArgumentError) { "foo".count } + 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"))) + assert_raise(ArgumentError) {S("mypassword").crypt(S(""))} + assert_raise(ArgumentError) {S("mypassword").crypt(S("\0a"))} + assert_raise(ArgumentError) {S("mypassword").crypt(S("a\0"))} + [Encoding::UTF_16BE, Encoding::UTF_16LE, + Encoding::UTF_32BE, Encoding::UTF_32LE].each do |enc| + assert_raise(ArgumentError) {S("mypassword").crypt(S("aa".encode(enc)))} + assert_raise(ArgumentError) {S("mypassword".encode(enc)).crypt(S("aa"))} + end + end + + def test_delete + assert_equal(S("heo"), S("hello").delete(S("l"), S("lo"))) + assert_equal(S("he"), S("hello").delete(S("lo"))) + assert_equal(S("hell"), S("hello").delete(S("aeiou"), S("^e"))) + assert_equal(S("ho"), S("hello").delete(S("ej-m"))) + + 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("a", "abc\u{3042 3044 3046}".delete("^a")) + assert_equal("bc\u{3042 3044 3046}", "abc\u{3042 3044 3046}".delete("a")) + assert_equal("\u3042", "abc\u{3042 3044 3046}".delete("^\u3042")) + + bug6160 = '[ruby-dev:45374]' + assert_equal("", '\\'.delete('\\'), bug6160) + end + + def test_delete! + a = S("hello") + a.delete!(S("l"), S("lo")) + assert_equal(S("heo"), a) + + a = S("hello") + a.delete!(S("lo")) + assert_equal(S("he"), a) + + a = S("hello") + a.delete!(S("aeiou"), S("^e")) + assert_equal(S("hell"), a) + + a = S("hello") + a.delete!(S("ej-m")) + assert_equal(S("ho"), a) + + a = S("hello") + assert_nil(a.delete!(S("z"))) + + a = S("hello") + b = a.dup + a.delete!(S("lo")) + assert_equal(S("he"), a) + assert_equal(S("hello"), b) + + a = S("hello") + a.delete!(S("^el")) + assert_equal(S("ell"), a) + + assert_raise(ArgumentError) { S("foo").delete! } + end + + + def test_downcase + assert_equal(S("hello"), S("helLO").downcase) + 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) + end + + def test_downcase! + a = S("helLO") + b = a.dup + assert_equal(S("hello"), a.downcase!) + assert_equal(S("hello"), a) + assert_equal(S("helLO"), b) + + a=S("hello") + assert_nil(a.downcase!) + assert_equal(S("hello"), a) + end + + def test_dump + a= S("Test") << 1 << 2 << 3 << 9 << 13 << 10 + assert_equal(S('"Test\\x01\\x02\\x03\\t\\r\\n"'), a.dump) + 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 + end + end + + def test_each + save = $/ + $/ = "\n" + res=[] + S("hello\nworld").lines.each {|x| res << x} + assert_equal(S("hello\n"), res[0]) + assert_equal(S("world"), res[1]) + + 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]) + + $/ = "!" + res=[] + S("hello!world").lines.each {|x| res << x} + assert_equal(S("hello!"), res[0]) + assert_equal(S("world"), res[1]) + $/ = save + end + + def test_each_byte + s = S("ABC") + + res = [] + assert_equal s.object_id, s.each_byte {|x| res << x }.object_id + assert_equal(65, res[0]) + assert_equal(66, res[1]) + assert_equal(67, res[2]) + + assert_equal 65, s.each_byte.next + end + + def test_bytes + 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 + end + + def test_each_codepoint + # Single byte optimization + assert_equal 65, S("ABC").each_codepoint.next + + s = S("\u3042\u3044\u3046") + + res = [] + assert_equal s.object_id, s.each_codepoint {|x| res << x }.object_id + assert_equal(0x3042, res[0]) + assert_equal(0x3044, res[1]) + assert_equal(0x3046, res[2]) + + assert_equal 0x3042, s.each_codepoint.next + end + + def test_codepoints + # Single byte optimization + assert_equal [65, 66, 67], S("ABC").codepoints + + 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 + end + + def test_each_char + s = S("ABC") + + res = [] + assert_equal s.object_id, s.each_char {|x| res << x }.object_id + assert_equal("A", res[0]) + assert_equal("B", res[1]) + assert_equal("C", res[2]) + + assert_equal "A", S("ABC").each_char.next + end + + def test_chars + 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]) + } + end + end + + def test_each_line + save = $/ + $/ = "\n" + res=[] + S("hello\nworld").each_line {|x| res << x} + assert_equal(S("hello\n"), res[0]) + assert_equal(S("world"), res[1]) + + 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]) + + $/ = "!" + + res=[] + S("hello!world").each_line {|x| res << x} + assert_equal(S("hello!"), res[0]) + assert_equal(S("world"), res[1]) + + $/ = "ab" + + res=[] + S("a").lines.each {|x| res << x} + assert_equal(1, res.size) + assert_equal(S("a"), res[0]) + + $/ = save + + s = nil + "foo\nbar".each_line(nil) {|s2| s = s2 } + assert_equal("foo\nbar", s) + + assert_equal "hello\n", S("hello\nworld").each_line.next + assert_equal "hello\nworld", S("hello\nworld").each_line(nil).next + + bug7646 = "[ruby-dev:46827]" + assert_nothing_raised(bug7646) do + "\n\u0100".each_line("\n") {} + end + end + + def test_lines + s = S("hello\nworld") + 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 + end + + def test_empty? + assert_empty(S("")) + assert_not_empty(S("not")) + end + + def test_end_with? + 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")]) + + bug5536 = '[ruby-core:40623]' + assert_raise(TypeError, bug5536) {S("str").end_with? :not_convertible_to_string} + end + + def test_eql? + a = S("hello") + assert_operator(a, :eql?, S("hello")) + assert_operator(a, :eql?, a) + end + + def test_gsub + assert_equal(S("h*ll*"), S("hello").gsub(/[aeiou]/, S('*'))) + assert_equal(S("h<e>ll<o>"), S("hello").gsub(/([aeiou])/, S('<\1>'))) + assert_equal(S("h e l l o "), + S("hello").gsub(/./) { |s| s[0].to_s + S(' ')}) + assert_equal(S("HELL-o"), + 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 } + end + + def test_gsub_encoding + a = S("hello world") + a.force_encoding Encoding::UTF_8 + + b = S("hi") + b.force_encoding Encoding::US_ASCII + + assert_equal Encoding::UTF_8, a.gsub(/hello/, b).encoding + + c = S("everybody") + c.force_encoding Encoding::US_ASCII + + assert_equal Encoding::UTF_8, a.gsub(/world/, c).encoding + + assert_equal S("a\u{e9}apos<"), S("a\u{e9}'<").gsub("'", "apos") + + bug9849 = '[ruby-core:62669] [Bug #9849]' + assert_equal S("\u{3042 3042 3042}!foo!"), S("\u{3042 3042 3042}/foo/").gsub("/", "!"), bug9849 + end + + def test_gsub! + a = S("hello") + b = a.dup + a.gsub!(/[aeiou]/, S('*')) + assert_equal(S("h*ll*"), a) + assert_equal(S("hello"), b) + + a = S("hello") + a.gsub!(/([aeiou])/, S('<\1>')) + assert_equal(S("h<e>ll<o>"), a) + + a = S("hello") + a.gsub!(/./) { |s| s[0].to_s + S(' ')} + assert_equal(S("h e l l o "), a) + + a = S("hello") + 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 + + def test_sub_hash + assert_equal('azc', 'abc'.sub(/b/, "b" => "z")) + assert_equal('ac', 'abc'.sub(/b/, {})) + assert_equal('a1c', 'abc'.sub(/b/, "b" => 1)) + assert_equal('aBc', 'abc'.sub(/b/, Hash.new {|h, k| k.upcase })) + assert_equal('a[\&]c', 'abc'.sub(/b/, "b" => '[\&]')) + assert_equal('aBcabc', 'abcabc'.sub(/b/, Hash.new {|h, k| h[k] = k.upcase })) + assert_equal('aBcdef', 'abcdef'.sub(/de|b/, "b" => "B", "de" => "DE")) + end + + def test_gsub_hash + assert_equal('azc', 'abc'.gsub(/b/, "b" => "z")) + assert_equal('ac', 'abc'.gsub(/b/, {})) + assert_equal('a1c', 'abc'.gsub(/b/, "b" => 1)) + assert_equal('aBc', 'abc'.gsub(/b/, Hash.new {|h, k| k.upcase })) + assert_equal('a[\&]c', 'abc'.gsub(/b/, "b" => '[\&]')) + assert_equal('aBcaBc', 'abcabc'.gsub(/b/, Hash.new {|h, k| h[k] = k.upcase })) + assert_equal('aBcDEf', 'abcdef'.gsub(/de|b/, "b" => "B", "de" => "DE")) + end + + def test_hash + assert_equal(S("hello").hash, S("hello").hash) + assert_not_equal(S("hello").hash, S("helLO").hash) + bug4104 = '[ruby-core:33500]' + assert_not_equal(S("a").hash, S("a\0").hash, bug4104) + bug9172 = '[ruby-core:58658] [Bug #9172]' + assert_not_equal(S("sub-setter").hash, S("discover").hash, bug9172) + end + + def test_hash_random + str = 'abc' + a = [str.hash.to_s] + 3.times { + assert_in_out_err(["-e", "print #{str.dump}.hash"], "") do |r, e| + a += r + assert_equal([], e) + end + } + assert_not_equal([str.hash.to_s], a.uniq) + end + + def test_hex + assert_equal(255, S("0xff").hex) + assert_equal(-255, S("-0xff").hex) + assert_equal(255, S("ff").hex) + assert_equal(-255, S("-ff").hex) + assert_equal(0, S("-ralph").hex) + assert_equal(-15, S("-fred").hex) + assert_equal(15, S("fred").hex) + end + + def test_include? + assert_include(S("foobar"), ?f) + assert_include(S("foobar"), S("foo")) + assert_not_include(S("foobar"), S("baz")) + assert_not_include(S("foobar"), ?z) + end + + def test_index + assert_equal(0, S("hello").index(?h)) + assert_equal(1, S("hello").index(S("ell"))) + assert_equal(2, S("hello").index(/ll./)) + + assert_equal(3, S("hello").index(?l, 3)) + assert_equal(3, S("hello").index(S("l"), 3)) + assert_equal(3, S("hello").index(/l./, 3)) + + assert_nil(S("hello").index(?z, 3)) + assert_nil(S("hello").index(S("z"), 3)) + assert_nil(S("hello").index(/z./, 3)) + + assert_nil(S("hello").index(?z)) + assert_nil(S("hello").index(S("z"))) + assert_nil(S("hello").index(/z./)) + + assert_equal(0, S("").index(S(""))) + assert_equal(0, S("").index(//)) + assert_nil(S("").index(S("hello"))) + assert_nil(S("").index(/hello/)) + assert_equal(0, S("hello").index(S(""))) + assert_equal(0, S("hello").index(//)) + + s = S("long") * 1000 << "x" + assert_nil(s.index(S("y"))) + assert_equal(4 * 1000, s.index(S("x"))) + s << "yx" + assert_equal(4 * 1000, s.index(S("x"))) + assert_equal(4 * 1000, s.index(S("xyx"))) + + o = Object.new + def o.to_str; "bar"; end + assert_equal(3, "foobarbarbaz".index(o)) + assert_raise(TypeError) { "foo".index(Object.new) } + + assert_nil("foo".index(//, -100)) + assert_nil($~) + end + + def test_intern + assert_equal(:koala, S("koala").intern) + assert_not_equal(:koala, S("Koala").intern) + end + + def test_length + assert_equal(0, S("").length) + assert_equal(4, S("1234").length) + assert_equal(6, S("1234\r\n").length) + assert_equal(7, S("\0011234\r\n").length) + end + + def test_ljust + assert_equal(S("hello"), S("hello").ljust(4)) + assert_equal(S("hello "), S("hello").ljust(11)) + assert_equal(S("ababababab"), S("").ljust(10, "ab"), Bug2463) + assert_equal(S("abababababa"), S("").ljust(11, "ab"), Bug2463) + end + + def test_next + assert_equal(S("abd"), S("abc").next) + assert_equal(S("z"), S("y").next) + assert_equal(S("aaa"), S("zz").next) + + assert_equal(S("124"), S("123").next) + assert_equal(S("1000"), S("999").next) + + assert_equal(S("2000aaa"), S("1999zzz").next) + assert_equal(S("AAAAA000"), S("ZZZZ999").next) + + assert_equal(S("*+"), S("**").next) + end + + def test_next! + a = S("abc") + b = a.dup + assert_equal(S("abd"), a.next!) + assert_equal(S("abd"), a) + assert_equal(S("abc"), b) + + a = S("y") + assert_equal(S("z"), a.next!) + assert_equal(S("z"), a) + + a = S("zz") + assert_equal(S("aaa"), a.next!) + assert_equal(S("aaa"), a) + + a = S("123") + assert_equal(S("124"), a.next!) + assert_equal(S("124"), a) + + a = S("999") + assert_equal(S("1000"), a.next!) + assert_equal(S("1000"), a) + + a = S("1999zzz") + assert_equal(S("2000aaa"), a.next!) + assert_equal(S("2000aaa"), a) + + a = S("ZZZZ999") + assert_equal(S("AAAAA000"), a.next!) + assert_equal(S("AAAAA000"), a) + + a = S("**") + assert_equal(S("*+"), a.next!) + assert_equal(S("*+"), a) + end + + def test_oct + assert_equal(255, S("0377").oct) + assert_equal(255, S("377").oct) + assert_equal(-255, S("-0377").oct) + assert_equal(-255, S("-377").oct) + assert_equal(0, S("OO").oct) + assert_equal(24, S("030OO").oct) + end + + def test_replace + a = S("foo") + assert_equal(S("f"), a.replace(S("f"))) + + a = S("foo") + 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 + s.replace(s2) + assert_equal(s2, s) + + s2 = ["foo"].pack("p") + s.replace(s2) + assert_equal(s2, s) + + fs = "".freeze + assert_raise(RuntimeError) { fs.replace("a") } + assert_raise(RuntimeError) { fs.replace(fs) } + assert_raise(ArgumentError) { fs.replace() } + assert_raise(RuntimeError) { fs.replace(42) } + end + + def test_reverse + assert_equal(S("beta"), S("ateb").reverse) + assert_equal(S("madamImadam"), S("madamImadam").reverse) + + a=S("beta") + assert_equal(S("ateb"), a.reverse) + assert_equal(S("beta"), a) + end + + def test_reverse! + a = S("beta") + b = a.dup + assert_equal(S("ateb"), a.reverse!) + assert_equal(S("ateb"), a) + assert_equal(S("beta"), b) + + assert_equal(S("madamImadam"), S("madamImadam").reverse!) + + a = S("madamImadam") + assert_equal(S("madamImadam"), a.reverse!) # ?? + assert_equal(S("madamImadam"), a) + end + + def test_rindex + assert_equal(3, S("hello").rindex(?l)) + assert_equal(6, S("ell, hello").rindex(S("ell"))) + assert_equal(7, S("ell, hello").rindex(/ll./)) + + assert_equal(3, S("hello,lo").rindex(?l, 3)) + assert_equal(3, S("hello,lo").rindex(S("l"), 3)) + assert_equal(3, S("hello,lo").rindex(/l./, 3)) + + assert_nil(S("hello").rindex(?z, 3)) + assert_nil(S("hello").rindex(S("z"), 3)) + assert_nil(S("hello").rindex(/z./, 3)) + + assert_nil(S("hello").rindex(?z)) + assert_nil(S("hello").rindex(S("z"))) + assert_nil(S("hello").rindex(/z./)) + + o = Object.new + def o.to_str; "bar"; end + assert_equal(6, "foobarbarbaz".rindex(o)) + assert_raise(TypeError) { "foo".rindex(Object.new) } + + assert_nil("foo".rindex(//, -100)) + assert_nil($~) + end + + def test_rjust + assert_equal(S("hello"), S("hello").rjust(4)) + assert_equal(S(" hello"), S("hello").rjust(11)) + assert_equal(S("ababababab"), S("").rjust(10, "ab"), Bug2463) + assert_equal(S("abababababa"), S("").rjust(11, "ab"), Bug2463) + end + + def test_scan + a = S("cruel world") + assert_equal([S("cruel"), S("world")],a.scan(/\w+/)) + assert_equal([S("cru"), S("el "), S("wor")],a.scan(/.../)) + assert_equal([[S("cru")], [S("el ")], [S("wor")]],a.scan(/(...)/)) + + res = [] + a.scan(/\w+/) { |w| res << w } + assert_equal([S("cruel"), S("world") ],res) + + res = [] + a.scan(/.../) { |w| res << w } + assert_equal([S("cru"), S("el "), S("wor")],res) + + res = [] + a.scan(/(...)/) { |w| res << w } + assert_equal([[S("cru")], [S("el ")], [S("wor")]],res) + + a = S("hello") + a.taint + res = [] + a.scan(/./) { |w| res << w } + assert_predicate(res[0], :tainted?, '[ruby-core:33338] #4087') + + /h/ =~ a + a.scan(/x/) + assert_nil($~) + + /h/ =~ a + a.scan('x') + assert_nil($~) + + assert_equal(3, S("hello hello hello").scan("hello".taint).count(&:tainted?)) + end + + def test_size + assert_equal(0, S("").size) + assert_equal(4, S("1234").size) + assert_equal(6, S("1234\r\n").size) + assert_equal(7, S("\0011234\r\n").size) + end + + def test_slice + assert_equal(?A, S("AooBar").slice(0)) + assert_equal(?B, S("FooBaB").slice(-1)) + assert_nil(S("FooBar").slice(6)) + assert_nil(S("FooBar").slice(-7)) + + assert_equal(S("Foo"), S("FooBar").slice(0,3)) + assert_equal(S(S("Bar")), S("FooBar").slice(-3,3)) + assert_nil(S("FooBar").slice(7,2)) # Maybe should be six? + assert_nil(S("FooBar").slice(-7,10)) + + assert_equal(S("Foo"), S("FooBar").slice(0..2)) + assert_equal(S("Bar"), S("FooBar").slice(-3..-1)) + assert_equal(S(""), S("FooBar").slice(6..2)) + assert_nil(S("FooBar").slice(-10..-7)) + + assert_equal(S("Foo"), S("FooBar").slice(/^F../)) + assert_equal(S("Bar"), S("FooBar").slice(/..r$/)) + assert_nil(S("FooBar").slice(/xyzzy/)) + assert_nil(S("FooBar").slice(/plugh/)) + + assert_equal(S("Foo"), S("FooBar").slice(S("Foo"))) + assert_equal(S("Bar"), S("FooBar").slice(S("Bar"))) + assert_nil(S("FooBar").slice(S("xyzzy"))) + assert_nil(S("FooBar").slice(S("plugh"))) + + bug9882 = '[ruby-core:62842] [Bug #9882]' + substr = S("\u{30c6 30b9 30c8 2019}#{bug9882}").slice(4..-1) + assert_equal(S(bug9882).hash, substr.hash, bug9882) + assert_predicate(substr, :ascii_only?, bug9882) + end + + def test_slice! + a = S("AooBar") + b = a.dup + assert_equal(?A, a.slice!(0)) + assert_equal(S("ooBar"), a) + assert_equal(S("AooBar"), b) + + a = S("FooBar") + assert_equal(?r,a.slice!(-1)) + assert_equal(S("FooBa"), a) + + a = S("FooBar") + if @aref_slicebang_silent + assert_nil( a.slice!(6) ) + else + assert_raise(IndexError) { a.slice!(6) } + end + assert_equal(S("FooBar"), a) + + if @aref_slicebang_silent + assert_nil( a.slice!(-7) ) + else + assert_raise(IndexError) { a.slice!(-7) } + end + assert_equal(S("FooBar"), a) + + a = S("FooBar") + assert_equal(S("Foo"), a.slice!(0,3)) + assert_equal(S("Bar"), a) + + a = S("FooBar") + assert_equal(S("Bar"), a.slice!(-3,3)) + assert_equal(S("Foo"), a) + + a=S("FooBar") + if @aref_slicebang_silent + assert_nil(a.slice!(7,2)) # Maybe should be six? + else + assert_raise(IndexError) {a.slice!(7,2)} # Maybe should be six? + end + assert_equal(S("FooBar"), a) + if @aref_slicebang_silent + assert_nil(a.slice!(-7,10)) + else + assert_raise(IndexError) {a.slice!(-7,10)} + end + assert_equal(S("FooBar"), a) + + a=S("FooBar") + assert_equal(S("Foo"), a.slice!(0..2)) + assert_equal(S("Bar"), a) + + a=S("FooBar") + assert_equal(S("Bar"), a.slice!(-3..-1)) + assert_equal(S("Foo"), a) + + a=S("FooBar") + if @aref_slicebang_silent + assert_equal(S(""), a.slice!(6..2)) + else + assert_raise(RangeError) {a.slice!(6..2)} + end + assert_equal(S("FooBar"), a) + if @aref_slicebang_silent + assert_nil(a.slice!(-10..-7)) + else + assert_raise(RangeError) {a.slice!(-10..-7)} + end + assert_equal(S("FooBar"), a) + + a=S("FooBar") + assert_equal(S("Foo"), a.slice!(/^F../)) + assert_equal(S("Bar"), a) + + a=S("FooBar") + assert_equal(S("Bar"), a.slice!(/..r$/)) + assert_equal(S("Foo"), a) + + a=S("FooBar") + if @aref_slicebang_silent + assert_nil(a.slice!(/xyzzy/)) + else + assert_raise(IndexError) {a.slice!(/xyzzy/)} + end + assert_equal(S("FooBar"), a) + if @aref_slicebang_silent + assert_nil(a.slice!(/plugh/)) + else + assert_raise(IndexError) {a.slice!(/plugh/)} + end + assert_equal(S("FooBar"), a) + + a=S("FooBar") + assert_equal(S("Foo"), a.slice!(S("Foo"))) + assert_equal(S("Bar"), a) + + a=S("FooBar") + assert_equal(S("Bar"), a.slice!(S("Bar"))) + assert_equal(S("Foo"), a) + + pre_1_7_1 do + a=S("FooBar") + assert_nil(a.slice!(S("xyzzy"))) + assert_equal(S("FooBar"), a) + assert_nil(a.slice!(S("plugh"))) + assert_equal(S("FooBar"), a) + end + + assert_raise(ArgumentError) { "foo".slice! } + end + + def test_split + assert_nil($;) + assert_equal([S("a"), S("b"), S("c")], S(" a b\t c ").split) + assert_equal([S("a"), S("b"), S("c")], S(" a b\t c ").split(S(" "))) + + assert_equal([S(" a "), S(" b "), S(" c ")], S(" a | b | c ").split(S("|"))) + + assert_equal([S("a"), S("b"), S("c")], S("aXXbXXcXX").split(/X./)) + + assert_equal([S("a"), S("b"), S("c")], S("abc").split(//)) + + assert_equal([S("a|b|c")], S("a|b|c").split(S('|'), 1)) + + assert_equal([S("a"), S("b|c")], S("a|b|c").split(S('|'), 2)) + assert_equal([S("a"), S("b"), S("c")], S("a|b|c").split(S('|'), 3)) + + assert_equal([S("a"), S("b"), S("c"), S("")], S("a|b|c|").split(S('|'), -1)) + assert_equal([S("a"), S("b"), S("c"), S(""), S("")], S("a|b|c||").split(S('|'), -1)) + + assert_equal([S("a"), S(""), S("b"), S("c")], S("a||b|c|").split(S('|'))) + assert_equal([S("a"), S(""), S("b"), S("c"), S("")], S("a||b|c|").split(S('|'), -1)) + + assert_equal([], "".split(//, 1)) + + assert_equal("[2, 3]", [1,2,3].slice!(1,10000).inspect, "moved from btest/knownbug") + end + + def test_split_encoding + bug6206 = '[ruby-dev:45441]' + Encoding.list.each do |enc| + next unless enc.ascii_compatible? + s = S("a:".force_encoding(enc)) + assert_equal([enc]*2, s.split(":", 2).map(&:encoding), bug6206) + end + end + + 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| + s = S("abc,def".encode(enc)) + assert_equal(["abc", "def"].map {|c| c.encode(enc)}, + s.split(",".encode(enc)), + "#{bug8642} in #{enc.name}") + end + end + + def test_split_invalid_sequence + bug10886 = '[ruby-core:68229] [Bug #10886]' + broken = S("\xa1".force_encoding("utf-8")) + assert_raise(ArgumentError, bug10886) { + S("a,b").split(broken) + } + end + + def test_split_invalid_argument + assert_raise(TypeError) { + S("a,b").split(BasicObject.new) + } + end + + def test_squeeze + assert_equal(S("abc"), S("aaabbbbccc").squeeze) + assert_equal(S("aa bb cc"), S("aa bb cc").squeeze(S(" "))) + assert_equal(S("BxTyWz"), S("BxxxTyyyWzzzzz").squeeze(S("a-z"))) + end + + def test_squeeze! + a = S("aaabbbbccc") + b = a.dup + assert_equal(S("abc"), a.squeeze!) + assert_equal(S("abc"), a) + assert_equal(S("aaabbbbccc"), b) + + a = S("aa bb cc") + assert_equal(S("aa bb cc"), a.squeeze!(S(" "))) + assert_equal(S("aa bb cc"), a) + + a = S("BxxxTyyyWzzzzz") + assert_equal(S("BxTyWz"), a.squeeze!(S("a-z"))) + assert_equal(S("BxTyWz"), a) + + a=S("The quick brown fox") + assert_nil(a.squeeze!) + end + + def test_start_with? + assert_send([S("hello"), :start_with?, S("hel")]) + assert_not_send([S("hello"), :start_with?, S("el")]) + assert_send([S("hello"), :start_with?, S("el"), S("he")]) + + bug5536 = '[ruby-core:40623]' + assert_raise(TypeError, bug5536) {S("str").start_with? :not_convertible_to_string} + 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("0b0 ".force_encoding("UTF-16BE"), + "\x00 0b0 ".force_encoding("UTF-16BE").strip) + assert_equal("0\x000b0 ".force_encoding("UTF-16BE"), + "0\x000b0 ".force_encoding("UTF-16BE").strip) + end + + def test_strip! + a = S(" x ") + b = a.dup + assert_equal(S("x") ,a.strip!) + assert_equal(S("x") ,a) + assert_equal(S(" x "), b) + + a = S(" \n\r\t x \t\r\n\n ") + assert_equal(S("x"), a.strip!) + assert_equal(S("x"), a) + + a = S("x") + assert_nil(a.strip!) + assert_equal(S("x") ,a) + end + + def test_sub + assert_equal(S("h*llo"), S("hello").sub(/[aeiou]/, S('*'))) + assert_equal(S("h<e>llo"), S("hello").sub(/([aeiou])/, S('<\1>'))) + assert_equal(S("h ello"), S("hello").sub(/./) { + |s| s[0].to_s + S(' ')}) + assert_equal(S("HELL-o"), S("hello").sub(/(hell)(.)/) { + |s| $1.upcase + S('-') + $2 + }) + assert_equal(S("h<e>llo"), S("hello").sub('e', S('<\0>'))) + + assert_equal(S("a\\aba"), S("ababa").sub(/b/, '\\')) + assert_equal(S("ab\\aba"), S("ababa").sub(/(b)/, '\1\\')) + assert_equal(S("ababa"), S("ababa").sub(/(b)/, '\1')) + assert_equal(S("ababa"), S("ababa").sub(/(b)/, '\\1')) + assert_equal(S("a\\1aba"), S("ababa").sub(/(b)/, '\\\1')) + assert_equal(S("a\\1aba"), S("ababa").sub(/(b)/, '\\\\1')) + assert_equal(S("a\\baba"), S("ababa").sub(/(b)/, '\\\\\1')) + + assert_equal(S("a--ababababababababab"), + S("abababababababababab").sub(/(b)/, '-\9-')) + assert_equal(S("1-b-0"), + S("1b2b3b4b5b6b7b8b9b0"). + sub(/(b).(b).(b).(b).(b).(b).(b).(b).(b)/, '-\9-')) + assert_equal(S("1-b-0"), + S("1b2b3b4b5b6b7b8b9b0"). + sub(/(b).(b).(b).(b).(b).(b).(b).(b).(b)/, '-\\9-')) + assert_equal(S("1-\\9-0"), + S("1b2b3b4b5b6b7b8b9b0"). + sub(/(b).(b).(b).(b).(b).(b).(b).(b).(b)/, '-\\\9-')) + assert_equal(S("k"), + S("1a2b3c4d5e6f7g8h9iAjBk"). + sub(/.(.).(.).(.).(.).(.).(.).(.).(.).(.).(.).(.)/, '\+')) + + assert_equal(S("ab\\aba"), S("ababa").sub(/b/, '\&\\')) + assert_equal(S("ababa"), S("ababa").sub(/b/, '\&')) + assert_equal(S("ababa"), S("ababa").sub(/b/, '\\&')) + assert_equal(S("a\\&aba"), S("ababa").sub(/b/, '\\\&')) + assert_equal(S("a\\&aba"), S("ababa").sub(/b/, '\\\\&')) + assert_equal(S("a\\baba"), S("ababa").sub(/b/, '\\\\\&')) + + a = S("hello") + a.taint + x = a.sub(/./, S('X')) + assert_predicate(x, :tainted?) + + o = Object.new + def o.to_str; "bar"; end + assert_equal("fooBARbaz", "foobarbaz".sub(o, "BAR")) + + assert_raise(TypeError) { "foo".sub(Object.new, "") } + + assert_raise(ArgumentError) { "foo".sub } + + assert_raise(IndexError) { "foo"[/(?:(o$)|(x))/, 2] = 'bar' } + + o = Object.new + def o.to_s; self; end + assert_match(/^foo#<Object:0x.*>baz$/, "foobarbaz".sub("bar") { o }) + + assert_equal(S("Abc"), S("abc").sub("a", "A")) + m = nil + assert_equal(S("Abc"), S("abc").sub("a") {m = $~; "A"}) + assert_equal(S("a"), m[0]) + assert_equal(/a/, m.regexp) + end + + def test_sub! + a = S("hello") + b = a.dup + a.sub!(/[aeiou]/, S('*')) + assert_equal(S("h*llo"), a) + assert_equal(S("hello"), b) + + a = S("hello") + a.sub!(/([aeiou])/, S('<\1>')) + assert_equal(S("h<e>llo"), a) + + a = S("hello") + a.sub!(/./) { |s| s[0].to_s + S(' ')} + assert_equal(S("h ello"), a) + + a = S("hello") + a.sub!(/(hell)(.)/) { |s| $1.upcase + S('-') + $2 } + assert_equal(S("HELL-o"), a) + + a=S("hello") + assert_nil(a.sub!(/X/, S('Y'))) + + r = S('X') + r.taint + a.sub!(/./, r) + assert_predicate(a, :tainted?) + end + + def test_succ + assert_equal(S("abd"), S("abc").succ) + assert_equal(S("z"), S("y").succ) + assert_equal(S("aaa"), S("zz").succ) + + assert_equal(S("124"), S("123").succ) + assert_equal(S("1000"), S("999").succ) + assert_equal(S("2.000"), S("1.999").succ) + + assert_equal(S("No.10"), S("No.9").succ) + assert_equal(S("2000aaa"), S("1999zzz").succ) + assert_equal(S("AAAAA000"), S("ZZZZ999").succ) + assert_equal(S("*+"), S("**").succ) + + assert_equal("abce", "abcd".succ) + assert_equal("THX1139", "THX1138".succ) + assert_equal("<\<koalb>>", "<\<koala>>".succ) + assert_equal("2000aaa", "1999zzz".succ) + assert_equal("AAAA0000", "ZZZ9999".succ) + assert_equal("**+", "***".succ) + end + + def test_succ! + a = S("abc") + b = a.dup + assert_equal(S("abd"), a.succ!) + assert_equal(S("abd"), a) + assert_equal(S("abc"), b) + + a = S("y") + assert_equal(S("z"), a.succ!) + assert_equal(S("z"), a) + + a = S("zz") + assert_equal(S("aaa"), a.succ!) + assert_equal(S("aaa"), a) + + a = S("123") + assert_equal(S("124"), a.succ!) + assert_equal(S("124"), a) + + a = S("999") + assert_equal(S("1000"), a.succ!) + assert_equal(S("1000"), a) + + a = S("1999zzz") + assert_equal(S("2000aaa"), a.succ!) + assert_equal(S("2000aaa"), a) + + a = S("ZZZZ999") + assert_equal(S("AAAAA000"), a.succ!) + assert_equal(S("AAAAA000"), a) + + a = S("**") + assert_equal(S("*+"), a.succ!) + assert_equal(S("*+"), a) + + a = S("No.9") + assert_equal(S("No.10"), a.succ!) + assert_equal(S("No.10"), a) + + assert_equal("aaaaaaaaaaaa", "zzzzzzzzzzz".succ!) + assert_equal("aaaaaaaaaaaaaaaaaaaaaaaa", "zzzzzzzzzzzzzzzzzzzzzzz".succ!) + end + + def test_sum + n = S("\001\001\001\001\001\001\001\001\001\001\001\001\001\001\001") + assert_equal(15, n.sum) + n += S("\001") + assert_equal(16, n.sum(17)) + n[0] = 2.chr + assert_not_equal(15, n.sum) + assert_equal(17, n.sum(0)) + assert_equal(17, n.sum(-1)) + end + + def check_sum(str, bits=16) + sum = 0 + str.each_byte {|c| sum += c} + sum = sum & ((1 << bits) - 1) if bits != 0 + assert_equal(sum, str.sum(bits)) + end + + def test_sum_2 + assert_equal(0, "".sum) + assert_equal(294, "abc".sum) + check_sum("abc") + check_sum("\x80") + -3.upto(70) {|bits| + check_sum("xyz", bits) + } + end + + def test_sum_long + s8421505 = "\xff" * 8421505 + assert_equal(127, s8421505.sum(31)) + assert_equal(2147483775, s8421505.sum(0)) + s16843010 = ("\xff" * 16843010) + assert_equal(254, s16843010.sum(32)) + assert_equal(4294967550, s16843010.sum(0)) + end + + def test_swapcase + assert_equal(S("hi&LOW"), S("HI&low").swapcase) + end + + def test_swapcase! + a = S("hi&LOW") + b = a.dup + assert_equal(S("HI&low"), a.swapcase!) + assert_equal(S("HI&low"), a) + assert_equal(S("hi&LOW"), b) + + a = S("$^#^%$#!!") + assert_nil(a.swapcase!) + assert_equal(S("$^#^%$#!!"), a) + end + + def test_to_f + assert_equal(344.3, S("344.3").to_f) + assert_equal(5.9742e24, S("5.9742e24").to_f) + assert_equal(98.6, S("98.6 degrees").to_f) + assert_equal(0.0, S("degrees 100.0").to_f) + assert_equal([ 0.0].pack('G'), [S(" 0.0").to_f].pack('G')) + assert_equal([-0.0].pack('G'), [S("-0.0").to_f].pack('G')) + end + + def test_to_i + assert_equal(1480, S("1480ft/sec").to_i) + assert_equal(0, S("speed of sound in water @20C = 1480ft/sec)").to_i) + assert_equal(0, " 0".to_i) + assert_equal(0, "+0".to_i) + assert_equal(0, "-0".to_i) + assert_equal(0, "--0".to_i) + assert_equal(16, "0x10".to_i(0)) + assert_equal(16, "0X10".to_i(0)) + assert_equal(2, "0b10".to_i(0)) + assert_equal(2, "0B10".to_i(0)) + assert_equal(8, "0o10".to_i(0)) + assert_equal(8, "0O10".to_i(0)) + assert_equal(10, "0d10".to_i(0)) + assert_equal(10, "0D10".to_i(0)) + assert_equal(8, "010".to_i(0)) + assert_raise(ArgumentError) { "010".to_i(-10) } + 2.upto(36) {|radix| + assert_equal(radix, "10".to_i(radix)) + assert_equal(radix**2, "100".to_i(radix)) + } + assert_raise(ArgumentError) { "0".to_i(1) } + assert_raise(ArgumentError) { "0".to_i(37) } + assert_equal(0, "z".to_i(10)) + assert_equal(12, "1_2".to_i(10)) + assert_equal(0x40000000, "1073741824".to_i(10)) + assert_equal(0x4000000000000000, "4611686018427387904".to_i(10)) + assert_equal(1, "1__2".to_i(10)) + assert_equal(1, "1_z".to_i(10)) + + bug6192 = '[ruby-core:43566]' + assert_raise(Encoding::CompatibilityError, bug6192) {"0".encode("utf-16be").to_i} + assert_raise(Encoding::CompatibilityError, bug6192) {"0".encode("utf-16le").to_i} + assert_raise(Encoding::CompatibilityError, bug6192) {"0".encode("utf-32be").to_i} + assert_raise(Encoding::CompatibilityError, bug6192) {"0".encode("utf-32le").to_i} + assert_raise(Encoding::CompatibilityError, bug6192) {"0".encode("iso-2022-jp").to_i} + end + + def test_to_s + a = S("me") + assert_equal("me", a.to_s) + assert_equal(a.__id__, a.to_s.__id__) if @cls == String + end + + def test_to_str + a = S("me") + assert_equal("me", a.to_s) + assert_equal(a.__id__, a.to_s.__id__) if @cls == String + + o = Object.new + def o.to_str + "at" + end + assert_equal("meat", a.concat(o)) + + o = Object.new + def o.to_str + foo_bar() + end + assert_match(/foo_bar/, assert_raise(NoMethodError) {a.concat(o)}.message) + end + + def test_tr + assert_equal(S("hippo"), S("hello").tr(S("el"), S("ip"))) + assert_equal(S("*e**o"), S("hello").tr(S("^aeiou"), S("*"))) + assert_equal(S("hal"), S("ibm").tr(S("b-z"), S("a-z"))) + + a = "abc".force_encoding(Encoding::US_ASCII) + assert_equal(Encoding::US_ASCII, a.tr(S("z"), S("\u0101")).encoding, '[ruby-core:22326]') + + assert_equal("a".hash, "a".tr("a", "\u0101").tr("\u0101", "a").hash, '[ruby-core:22328]') + assert_equal(true, "\u0101".tr("\u0101", "a").ascii_only?) + assert_equal(true, "\u3041".tr("\u3041", "a").ascii_only?) + assert_equal(false, "\u3041\u3042".tr("\u3041", "a").ascii_only?) + + bug6156 = '[ruby-core:43335]' + str, range, star = %w[b a-z *].map{|s|s.encode("utf-16le")} + assert_equal(star, str.tr(range, star), bug6156) + end + + def test_tr! + a = S("hello") + b = a.dup + assert_equal(S("hippo"), a.tr!(S("el"), S("ip"))) + assert_equal(S("hippo"), a) + assert_equal(S("hello"),b) + + a = S("hello") + assert_equal(S("*e**o"), a.tr!(S("^aeiou"), S("*"))) + assert_equal(S("*e**o"), a) + + a = S("IBM") + assert_equal(S("HAL"), a.tr!(S("B-Z"), S("A-Z"))) + assert_equal(S("HAL"), a) + + a = S("ibm") + assert_nil(a.tr!(S("B-Z"), S("A-Z"))) + assert_equal(S("ibm"), a) + + a = "abc".force_encoding(Encoding::US_ASCII) + assert_nil(a.tr!(S("z"), S("\u0101")), '[ruby-core:22326]') + assert_equal(Encoding::US_ASCII, a.encoding, '[ruby-core:22326]') + end + + def test_tr_s + assert_equal(S("hypo"), S("hello").tr_s(S("el"), S("yp"))) + assert_equal(S("h*o"), S("hello").tr_s(S("el"), S("*"))) + assert_equal("a".hash, "\u0101\u0101".tr_s("\u0101", "a").hash) + assert_equal(true, "\u3041\u3041".tr("\u3041", "a").ascii_only?) + end + + def test_tr_s! + a = S("hello") + b = a.dup + assert_equal(S("hypo"), a.tr_s!(S("el"), S("yp"))) + assert_equal(S("hypo"), a) + assert_equal(S("hello"), b) + + a = S("hello") + assert_equal(S("h*o"), a.tr_s!(S("el"), S("*"))) + assert_equal(S("h*o"), a) + end + + def test_unpack + a = [S("cat"), S("wom"), S("x"), S("yy")] + assert_equal(a, S("catwomx yy ").unpack(S("A3A3A3A3"))) + + assert_equal([S("cat")], S("cat \000\000").unpack(S("A*"))) + assert_equal([S("cwx"), S("wx"), S("x"), S("yy")], + S("cwx yy ").unpack(S("A3@1A3@2A3A3"))) + assert_equal([S("cat"), S("wom"), S("x\000\000"), S("yy\000")], + S("catwomx\000\000yy\000").unpack(S("a3a3a3a3"))) + assert_equal([S("cat \000\000")], S("cat \000\000").unpack(S("a*"))) + assert_equal([S("ca")], S("catdog").unpack(S("a2"))) + + assert_equal([S("cat\000\000")], + S("cat\000\000\000\000\000dog").unpack(S("a5"))) + + assert_equal([S("01100001")], S("\x61").unpack(S("B8"))) + assert_equal([S("01100001")], S("\x61").unpack(S("B*"))) + assert_equal([S("0110000100110111")], S("\x61\x37").unpack(S("B16"))) + assert_equal([S("01100001"), S("00110111")], S("\x61\x37").unpack(S("B8B8"))) + assert_equal([S("0110")], S("\x60").unpack(S("B4"))) + + assert_equal([S("01")], S("\x40").unpack(S("B2"))) + + assert_equal([S("01100001")], S("\x86").unpack(S("b8"))) + assert_equal([S("01100001")], S("\x86").unpack(S("b*"))) + + assert_equal([S("0110000100110111")], S("\x86\xec").unpack(S("b16"))) + assert_equal([S("01100001"), S("00110111")], S("\x86\xec").unpack(S("b8b8"))) + + assert_equal([S("0110")], S("\x06").unpack(S("b4"))) + assert_equal([S("01")], S("\x02").unpack(S("b2"))) + + assert_equal([ 65, 66, 67 ], S("ABC").unpack(S("C3"))) + assert_equal([ 255, 66, 67 ], S("\377BC").unpack("C*")) + assert_equal([ 65, 66, 67 ], S("ABC").unpack("c3")) + assert_equal([ -1, 66, 67 ], S("\377BC").unpack("c*")) + + + assert_equal([S("4142"), S("0a"), S("1")], S("AB\n\x10").unpack(S("H4H2H1"))) + assert_equal([S("1424"), S("a0"), S("2")], S("AB\n\x02").unpack(S("h4h2h1"))) + + assert_equal([S("abc\002defcat\001"), S(""), S("")], + S("abc=02def=\ncat=\n=01=\n").unpack(S("M9M3M4"))) + + assert_equal([S("hello\n")], S("aGVsbG8K\n").unpack(S("m"))) + + assert_equal([S("hello\nhello\n")], S(",:&5L;&\\*:&5L;&\\*\n").unpack(S("u"))) + + assert_equal([0xa9, 0x42, 0x2260], S("\xc2\xa9B\xe2\x89\xa0").unpack(S("U*"))) + +=begin + skipping "Not tested: + D,d & double-precision float, native format\\ + E & double-precision float, little-endian byte order\\ + e & single-precision float, little-endian byte order\\ + F,f & single-precision float, native format\\ + G & double-precision float, network (big-endian) byte order\\ + g & single-precision float, network (big-endian) byte order\\ + I & unsigned integer\\ + i & integer\\ + L & unsigned long\\ + l & long\\ + + m & string encoded in base64 (uuencoded)\\ + N & long, network (big-endian) byte order\\ + n & short, network (big-endian) byte-order\\ + P & pointer to a structure (fixed-length string)\\ + p & pointer to a null-terminated string\\ + S & unsigned short\\ + s & short\\ + V & long, little-endian byte order\\ + v & short, little-endian byte order\\ + X & back up a byte\\ + x & null byte\\ + Z & ASCII string (null padded, count is width)\\ +" +=end + end + + def test_upcase + assert_equal(S("HELLO"), S("hello").upcase) + 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) + end + + def test_upcase! + a = S("hello") + b = a.dup + assert_equal(S("HELLO"), a.upcase!) + assert_equal(S("HELLO"), a) + assert_equal(S("hello"), b) + + a = S("HELLO") + assert_nil(a.upcase!) + assert_equal(S("HELLO"), a) + end + + def test_upto + a = S("aa") + start = S("aa") + count = 0 + assert_equal(S("aa"), a.upto(S("zz")) {|s| + assert_equal(start, s) + start.succ! + count += 1 + }) + assert_equal(676, count) + end + + def test_upto_numeric + a = S("00") + start = S("00") + count = 0 + assert_equal(S("00"), a.upto(S("23")) {|s| + assert_equal(start, s, "[ruby-dev:39361]") + assert_equal(Encoding::US_ASCII, s.encoding) + start.succ! + count += 1 + }) + assert_equal(24, count, "[ruby-dev:39361]") + end + + def test_upto_nonalnum + first = S("\u3041") + last = S("\u3093") + count = 0 + assert_equal(first, first.upto(last) {|s| + count += 1 + s.replace(last) + }) + assert_equal(83, count, "[ruby-dev:39626]") + end + + def test_mod_check + assert_raise(RuntimeError) { + s = "" + s.sub!(/\A/) { s.replace "z" * 2000; "zzz" } + } + end + + def test_frozen_check + assert_raise(RuntimeError) { + s = "" + s.sub!(/\A/) { s.freeze; "zzz" } + } + end + + class S2 < String + end + def test_str_new4 + s = (0..54).to_a.join # length = 100 + s2 = S2.new(s[10,90]) + s3 = s2[10,80] + assert_equal((10..54).to_a.to_a.join, s2) + assert_equal((15..54).to_a.to_a.join, s3) + end + + def test_rb_str_new4 + s = "a" * 100 + s2 = s[10,90] + assert_equal("a" * 90, s2) + s3 = s2[10,80] + assert_equal("a" * 80, s3) + end + + class StringLike + def initialize(str) + @str = str + end + + def to_str + @str + end + end + + def test_rb_str_to_str + assert_equal("ab", "a" + StringLike.new("b")) + end + + def test_rb_str_shared_replace + s = "a" * 100 + s.succ! + assert_equal("a" * 99 + "b", s) + s = "" + s.succ! + assert_equal("", s) + end + + def test_times + assert_raise(ArgumentError) { "a" * (-1) } + end + + def test_splice! + l = S("1234\n234\n34\n4\n") + assert_equal(S("1234\n"), l.slice!(/\A.*\n/), "[ruby-dev:31665]") + assert_equal(S("234\n"), l.slice!(/\A.*\n/), "[ruby-dev:31665]") + assert_equal(S("34\n"), l.slice!(/\A.*\n/), "[ruby-dev:31665]") + assert_equal(S("4\n"), l.slice!(/\A.*\n/), "[ruby-dev:31665]") + assert_nil(l.slice!(/\A.*\n/), "[ruby-dev:31665]") + end + + def test_times2 + s1 = '' + 100.times {|n| + s2 = "a" * n + assert_equal(s1, s2) + s1 << 'a' + } + + assert_raise(ArgumentError) { "foo" * (-1) } + end + + def test_respond_to + o = Object.new + def o.respond_to?(arg) [:to_str].include?(arg) ? nil : super end + def o.to_str() "" end + def o.==(other) "" == other end + assert_equal(false, "" == o) + end + + def test_match_method + assert_equal("bar", "foobarbaz".match(/bar/).to_s) + + o = Regexp.new('foo') + def o.match(x, y, z); x + y + z; end + assert_equal("foobarbaz", "foo".match(o, "bar", "baz")) + x = nil + "foo".match(o, "bar", "baz") {|y| x = y } + assert_equal("foobarbaz", x) + + assert_raise(ArgumentError) { "foo".match } + end + + def test_clear + s = "foo" * 100 + s.clear + assert_equal("", s) + end + + def test_to_s_2 + c = Class.new(String) + s = c.new + s.replace("foo") + assert_equal("foo", s.to_s) + assert_instance_of(String, s.to_s) + end + + def test_inspect_nul + bug8290 = '[ruby-core:54458]' + s = "\0" + "12" + assert_equal '"\u000012"', s.inspect, bug8290 + s = "\0".b + "12" + assert_equal '"\x0012"', s.inspect, bug8290 + end + + def test_partition + assert_equal(%w(he l lo), "hello".partition(/l/)) + assert_equal(%w(he l lo), "hello".partition("l")) + assert_raise(TypeError) { "hello".partition(1) } + def (hyphen = Object.new).to_str; "-"; end + assert_equal(%w(foo - bar), "foo-bar".partition(hyphen), '[ruby-core:23540]') + + bug6206 = '[ruby-dev:45441]' + Encoding.list.each do |enc| + next unless enc.ascii_compatible? + s = S("a:".force_encoding(enc)) + assert_equal([enc]*3, s.partition("|").map(&:encoding), bug6206) + end + + assert_equal(["\u30E6\u30FC\u30B6", "@", "\u30C9\u30E1.\u30A4\u30F3"], + "\u30E6\u30FC\u30B6@\u30C9\u30E1.\u30A4\u30F3".partition(/[@.]/)) + end + + def test_rpartition + assert_equal(%w(hel l o), "hello".rpartition(/l/)) + assert_equal(%w(hel l o), "hello".rpartition("l")) + assert_raise(TypeError) { "hello".rpartition(1) } + def (hyphen = Object.new).to_str; "-"; end + assert_equal(%w(foo - bar), "foo-bar".rpartition(hyphen), '[ruby-core:23540]') + + bug6206 = '[ruby-dev:45441]' + Encoding.list.each do |enc| + next unless enc.ascii_compatible? + s = S("a:".force_encoding(enc)) + assert_equal([enc]*3, s.rpartition("|").map(&:encoding), bug6206) + end + + bug8138 = '[ruby-dev:47183]' + assert_equal(["\u30E6\u30FC\u30B6@\u30C9\u30E1", ".", "\u30A4\u30F3"], + "\u30E6\u30FC\u30B6@\u30C9\u30E1.\u30A4\u30F3".rpartition(/[@.]/), bug8138) + end + + def test_setter + assert_raise(TypeError) { $/ = 1 } + name = "\u{5206 884c}" + assert_separately([], <<-"end;") # do + alias $#{name} $/ + assert_raise_with_message(TypeError, /\\$#{name}/) { $#{name} = 1 } + end; + end + + def test_to_id + c = Class.new + c.class_eval do + def initialize + @foo = :foo + end + end + + assert_raise(TypeError) do + c.class_eval { attr 1 } + end + + o = Object.new + def o.to_str; :foo; end + assert_raise(TypeError) do + c.class_eval { attr 1 } + end + + class << o;remove_method :to_str;end + def o.to_str; "foo"; end + assert_nothing_raised do + c.class_eval { attr o } + end + assert_equal(:foo, c.new.foo) + end + + def test_gsub_enumerator + assert_normal_exit %q{"abc".gsub(/./).next}, "[ruby-dev:34828]" + end + + def test_clear_nonasciicompat + assert_equal("", "\u3042".encode("ISO-2022-JP").clear) + end + + def test_try_convert + assert_equal(nil, String.try_convert(1)) + assert_equal("foo", String.try_convert("foo")) + end + + def test_substr_negative_begin + assert_equal("\u3042", ("\u3042" * 100)[-1]) + end + +=begin + def test_compare_different_encoding_string + s1 = "\xff".force_encoding("UTF-8") + s2 = "\xff".force_encoding("ISO-2022-JP") + assert_equal([-1, 1], [s1 <=> s2, s2 <=> s1].sort) + end +=end + + def test_casecmp + assert_equal(1, "\u3042B".casecmp("\u3042a")) + end + + def test_upcase2 + assert_equal("\u3042AB", "\u3042aB".upcase) + end + + def test_downcase2 + assert_equal("\u3042ab", "\u3042aB".downcase) + end + + def test_rstrip + assert_equal("\u3042", "\u3042 ".rstrip) + assert_raise(Encoding::CompatibilityError) { "\u3042".encode("ISO-2022-JP").rstrip } + end + +=begin + def test_symbol_table_overflow + assert_in_out_err([], <<-INPUT, [], /symbol table overflow \(symbol [a-z]{8}\) \(RuntimeError\)/) + ("aaaaaaaa".."zzzzzzzz").each {|s| s.to_sym } + INPUT + end +=end + + def test_shared_force_encoding + s = "\u{3066}\u{3059}\u{3068}".gsub(//, '') + h = {} + h[s] = nil + k = h.keys[0] + assert_equal(s, k, '[ruby-dev:39068]') + assert_equal(Encoding::UTF_8, k.encoding, '[ruby-dev:39068]') + s.dup.force_encoding(Encoding::ASCII_8BIT).gsub(//, '') + k = h.keys[0] + assert_equal(s, k, '[ruby-dev:39068]') + assert_equal(Encoding::UTF_8, k.encoding, '[ruby-dev:39068]') + end + + def test_ascii_incomat_inspect + bug4081 = '[ruby-core:33283]' + [Encoding::UTF_16LE, Encoding::UTF_16BE, + Encoding::UTF_32LE, Encoding::UTF_32BE].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) + end + begin + verbose, $VERBOSE = $VERBOSE, nil + ext = Encoding.default_external + Encoding.default_external = "us-ascii" + $VERBOSE = verbose + i = "abc\"\\".force_encoding("utf-8").inspect + ensure + $VERBOSE = nil + Encoding.default_external = ext + $VERBOSE = verbose + end + assert_equal('"abc\\"\\\\"', i, bug4081) + end + + def test_dummy_inspect + assert_equal('"\e\x24\x42\x22\x4C\x22\x68\e\x28\x42"', + "\u{ffe2}\u{2235}".encode("cp50220").inspect) + end + + def test_prepend + assert_equal(S("hello world!"), "world!".prepend("hello ")) + + foo = Object.new + def foo.to_str + "b" + end + assert_equal(S("ba"), "a".prepend(foo)) + + a = S("world") + b = S("hello ") + a.prepend(b) + assert_equal(S("hello world"), a) + assert_equal(S("hello "), b) + end + + def u(str) + str.force_encoding(Encoding::UTF_8) + end + + def test_byteslice + assert_equal("h", "hello".byteslice(0)) + assert_equal(nil, "hello".byteslice(5)) + assert_equal("o", "hello".byteslice(-1)) + assert_equal(nil, "hello".byteslice(-6)) + + assert_equal("", "hello".byteslice(0, 0)) + assert_equal("hello", "hello".byteslice(0, 6)) + assert_equal("hello", "hello".byteslice(0, 6)) + assert_equal("", "hello".byteslice(5, 1)) + assert_equal("o", "hello".byteslice(-1, 6)) + assert_equal(nil, "hello".byteslice(-6, 1)) + assert_equal(nil, "hello".byteslice(0, -1)) + + assert_equal("h", "hello".byteslice(0..0)) + assert_equal("", "hello".byteslice(5..0)) + assert_equal("o", "hello".byteslice(4..5)) + assert_equal(nil, "hello".byteslice(6..0)) + assert_equal("", "hello".byteslice(-1..0)) + assert_equal("llo", "hello".byteslice(-3..5)) + + assert_equal(u("\x81"), "\u3042".byteslice(1)) + assert_equal(u("\x81\x82"), "\u3042".byteslice(1, 2)) + assert_equal(u("\x81\x82"), "\u3042".byteslice(1..2)) + + assert_equal(u("\x82")+("\u3042"*9), ("\u3042"*10).byteslice(2, 28)) + + bug7954 = '[ruby-dev:47108]' + assert_equal(false, "\u3042".byteslice(0, 2).valid_encoding?, bug7954) + assert_equal(false, ("\u3042"*10).byteslice(0, 20).valid_encoding?, bug7954) + end + + def test_unknown_string_option + str = nil + assert_nothing_raised(SyntaxError) do + eval(%{ + str = begin"hello"end + }) + end + assert_equal "hello", str + end + + def test_eq_tilde_can_be_overridden + assert_separately([], <<-RUBY) + class String + undef =~ + def =~(str) + "foo" + end + end + + assert_equal("foo", "" =~ //) + RUBY + end + + class Bug9581 < String + def =~ re; :foo end + end + + def test_regexp_match_subclass + s = Bug9581.new("abc") + r = /abc/ + assert_equal(:foo, s =~ r) + assert_equal(:foo, s.send(:=~, r)) + assert_equal(:foo, s.send(:=~, /abc/)) + assert_equal(:foo, s =~ /abc/, "should not use optimized instruction") + end + + def test_LSHIFT_neary_long_max + return unless @cls == String + assert_ruby_status([], <<-'end;', '[ruby-core:61886] [Bug #9709]', timeout: 20) + begin + a = "a" * 0x4000_0000 + a << "a" * 0x1_0000 + rescue NoMemoryError + end + end; + end if [0].pack("l!").bytesize < [nil].pack("p").bytesize + # enable only when string size range is smaller than memory space +end + +class TestString2 < TestString + def initialize(*args) + super + @cls = S2 + end +end |