require 'test/unit' require_relative 'envutil' # 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"))) 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("hll"), 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 }) 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 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("hll"), 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($~) end def test_rjust assert_equal(S("hello"), S("hello").rjust(4)) assert_equal(S(" hello"), S("hello").rjust(11)) assert_equal(S("ababababab"), S("").rjust(10, "ab"), Bug2463) assert_equal(S("abababababa"), S("").rjust(11, "ab"), Bug2463) end def test_scan a = S("cruel world") assert_equal([S("cruel"), S("world")],a.scan(/\w+/)) assert_equal([S("cru"), S("el "), S("wor")],a.scan(/.../)) assert_equal([[S("cru")], [S("el ")], [S("wor")]],a.scan(/(...)/)) res = [] a.scan(/\w+/) { |w| res << w } assert_equal([S("cruel"), S("world") ],res) res = [] a.scan(/.../) { |w| res << w } assert_equal([S("cru"), S("el "), S("wor")],res) res = [] a.scan(/(...)/) { |w| res << w } assert_equal([[S("cru")], [S("el ")], [S("wor")]],res) a = S("hello") a.taint res = [] a.scan(/./) { |w| res << w } assert_predicate(res[0], :tainted?, '[ruby-core:33338] #4087') end def test_size assert_equal(0, S("").size) assert_equal(4, S("1234").size) assert_equal(6, S("1234\r\n").size) assert_equal(7, S("\0011234\r\n").size) end def test_slice assert_equal(?A, S("AooBar").slice(0)) assert_equal(?B, S("FooBaB").slice(-1)) assert_nil(S("FooBar").slice(6)) assert_nil(S("FooBar").slice(-7)) assert_equal(S("Foo"), S("FooBar").slice(0,3)) assert_equal(S(S("Bar")), S("FooBar").slice(-3,3)) assert_nil(S("FooBar").slice(7,2)) # Maybe should be six? assert_nil(S("FooBar").slice(-7,10)) assert_equal(S("Foo"), S("FooBar").slice(0..2)) assert_equal(S("Bar"), S("FooBar").slice(-3..-1)) assert_equal(S(""), S("FooBar").slice(6..2)) assert_nil(S("FooBar").slice(-10..-7)) assert_equal(S("Foo"), S("FooBar").slice(/^F../)) assert_equal(S("Bar"), S("FooBar").slice(/..r$/)) 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"))) 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") 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 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_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("hllo"), 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('-') + $2 }) assert_equal(S("a\\aba"), S("ababa").sub(/b/, '\\')) assert_equal(S("ab\\aba"), S("ababa").sub(/(b)/, '\1\\')) assert_equal(S("ababa"), S("ababa").sub(/(b)/, '\1')) assert_equal(S("ababa"), S("ababa").sub(/(b)/, '\\1')) assert_equal(S("a\\1aba"), S("ababa").sub(/(b)/, '\\\1')) assert_equal(S("a\\1aba"), S("ababa").sub(/(b)/, '\\\\1')) assert_equal(S("a\\baba"), S("ababa").sub(/(b)/, '\\\\\1')) assert_equal(S("a--ababababababababab"), S("abababababababababab").sub(/(b)/, '-\9-')) assert_equal(S("1-b-0"), S("1b2b3b4b5b6b7b8b9b0"). sub(/(b).(b).(b).(b).(b).(b).(b).(b).(b)/, '-\9-')) assert_equal(S("1-b-0"), S("1b2b3b4b5b6b7b8b9b0"). sub(/(b).(b).(b).(b).(b).(b).(b).(b).(b)/, '-\\9-')) assert_equal(S("1-\\9-0"), S("1b2b3b4b5b6b7b8b9b0"). sub(/(b).(b).(b).(b).(b).(b).(b).(b).(b)/, '-\\\9-')) assert_equal(S("k"), S("1a2b3c4d5e6f7g8h9iAjBk"). sub(/.(.).(.).(.).(.).(.).(.).(.).(.).(.).(.).(.)/, '\+')) assert_equal(S("ab\\aba"), S("ababa").sub(/b/, '\&\\')) assert_equal(S("ababa"), S("ababa").sub(/b/, '\&')) assert_equal(S("ababa"), S("ababa").sub(/b/, '\\&')) assert_equal(S("a\\&aba"), S("ababa").sub(/b/, '\\\&')) assert_equal(S("a\\&aba"), S("ababa").sub(/b/, '\\\\&')) assert_equal(S("a\\baba"), S("ababa").sub(/b/, '\\\\\&')) a = S("hello") a.taint x = a.sub(/./, S('X')) assert_predicate(x, :tainted?) o = Object.new def o.to_str; "bar"; end assert_equal("fooBARbaz", "foobarbaz".sub(o, "BAR")) assert_raise(TypeError) { "foo".sub(Object.new, "") } assert_raise(ArgumentError) { "foo".sub } assert_raise(IndexError) { "foo"[/(?:(o$)|(x))/, 2] = 'bar' } o = Object.new def o.to_s; self; end assert_match(/^foo#baz$/, "foobarbaz".sub("bar") { o }) 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("hllo"), 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("<\>", "<\>".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) 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") 0.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 } 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 end class TestString2 < TestString def initialize(*args) super @cls = S2 end end