require 'test/unit' require 'stringio' class TestM17N < Test::Unit::TestCase def assert_encoding(encname, actual, message=nil) assert_equal(Encoding.find(encname), actual, message) end module AESU def a(str) str.dup.force_encoding("ASCII-8BIT") end def e(str) str.dup.force_encoding("EUC-JP") end def s(str) str.dup.force_encoding("Windows-31J") end def u(str) str.dup.force_encoding("UTF-8") end end include AESU extend AESU def assert_strenc(bytes, enc, actual, message=nil) assert_instance_of(String, actual, message) enc = Encoding.find(enc) if String === enc assert_equal(enc, actual.encoding, message) assert_equal(a(bytes), a(actual), message) end def assert_warning(pat, mesg=nil) begin org_stderr = $stderr $stderr = StringIO.new(warn = '') yield ensure $stderr = org_stderr end assert_match(pat, warn, mesg) end def assert_regexp_generic_encoding(r) assert(!r.fixed_encoding?) %w[ASCII-8BIT EUC-JP Windows-31J UTF-8].each {|ename| # "\xc2\xa1" is a valid sequence for ASCII-8BIT, EUC-JP, Windows-31J and UTF-8. assert_nothing_raised { r =~ "\xc2\xa1".force_encoding(ename) } } end def assert_regexp_fixed_encoding(r) assert(r.fixed_encoding?) %w[ASCII-8BIT EUC-JP Windows-31J UTF-8].each {|ename| enc = Encoding.find(ename) if enc == r.encoding assert_nothing_raised { r =~ "\xc2\xa1".force_encoding(enc) } else assert_raise(ArgumentError) { r =~ "\xc2\xa1".force_encoding(enc) } end } end def assert_regexp_generic_ascii(r) assert_encoding("US-ASCII", r.encoding) assert_regexp_generic_encoding(r) end def assert_regexp_fixed_ascii8bit(r) assert_encoding("ASCII-8BIT", r.encoding) assert_regexp_fixed_encoding(r) end def assert_regexp_fixed_eucjp(r) assert_encoding("EUC-JP", r.encoding) assert_regexp_fixed_encoding(r) end def assert_regexp_fixed_sjis(r) assert_encoding("Windows-31J", r.encoding) assert_regexp_fixed_encoding(r) end def assert_regexp_fixed_utf8(r) assert_encoding("UTF-8", r.encoding) assert_regexp_fixed_encoding(r) end def assert_regexp_usascii_literal(r, enc, ex = nil) code = "# -*- encoding: US-ASCII -*-\n#{r}.encoding" if ex assert_raise(ex) { eval(code) } else assert_equal(enc, eval(code)) end end def encdump(str) d = str.dump if /\.force_encoding\("[A-Za-z0-9.:_+-]*"\)\z/ =~ d d else "#{d}.force_encoding(#{str.encoding.name.dump})" end end def encdumpargs(args) r = '(' args.each_with_index {|a, i| r << ',' if 0 < i if String === a r << encdump(a) else r << a.inspect end } r << ')' r end def assert_str_enc_propagation(t, s1, s2) if !s1.ascii_only? assert_equal(s1.encoding, t.encoding) elsif !s2.ascii_only? assert_equal(s2.encoding, t.encoding) else assert([s1.encoding, s2.encoding].include?(t.encoding)) end end def assert_same_result(expected_proc, actual_proc) e = nil begin t = expected_proc.call rescue e = $! end if e assert_raise(e.class) { actual_proc.call } else assert_equal(t, actual_proc.call) end end def str_enc_compatible?(*strs) encs = [] strs.each {|s| encs << s.encoding if !s.ascii_only? } encs.uniq! encs.length <= 1 end # tests start def test_string_ascii_literal assert_encoding("US-ASCII", eval(a(%{""})).encoding) assert_encoding("US-ASCII", eval(a(%{"a"})).encoding) end def test_string_eucjp_literal assert_encoding("US-ASCII", eval(e(%{""})).encoding) assert_encoding("US-ASCII", eval(e(%{"a"})).encoding) assert_encoding("EUC-JP", eval(e(%{"\xa1\xa1"})).encoding) assert_encoding("EUC-JP", eval(e(%{"\\xa1\\xa1"})).encoding) assert_encoding("US-ASCII", eval(e(%{"\\x20"})).encoding) assert_encoding("US-ASCII", eval(e(%{"\\n"})).encoding) assert_encoding("EUC-JP", eval(e(%{"\\x80"})).encoding) end def test_utf8_literal assert_equal(Encoding::UTF_8, "\u3042".encoding, "[ruby-dev:33406] \"\\u3042\".encoding") assert_raise(SyntaxError) { eval(a('\u3052\x80')) } end def test_string_mixed_unicode assert_raise(SyntaxError) { eval(a(%{"\xc2\xa1\\u{6666}"})) } assert_raise(SyntaxError) { eval(e(%{"\xc2\xa1\\u{6666}"})) } assert_raise(SyntaxError) { eval(s(%{"\xc2\xa1\\u{6666}"})) } assert_nothing_raised { eval(u(%{"\xc2\xa1\\u{6666}"})) } assert_raise(SyntaxError) { eval(a(%{"\\u{6666}\xc2\xa1"})) } assert_raise(SyntaxError) { eval(e(%{"\\u{6666}\xc2\xa1"})) } assert_raise(SyntaxError) { eval(s(%{"\\u{6666}\xc2\xa1"})) } assert_nothing_raised { eval(u(%{"\\u{6666}\xc2\xa1"})) } end def test_string_inspect assert_equal('"\xFE"', e("\xfe").inspect) assert_equal('"\x8E"', e("\x8e").inspect) assert_equal('"\x8F"', e("\x8f").inspect) assert_equal('"\x8F\xA1"', e("\x8f\xa1").inspect) assert_equal('"\xEF"', s("\xef").inspect) assert_equal('"\xC2"', u("\xc2").inspect) assert_equal('"\xE0\x80"', u("\xe0\x80").inspect) assert_equal('"\xF0\x80\x80"', u("\xf0\x80\x80").inspect) assert_equal('"\xF8\x80\x80\x80"', u("\xf8\x80\x80\x80").inspect) assert_equal('"\xFC\x80\x80\x80\x80"', u("\xfc\x80\x80\x80\x80").inspect) assert_equal('"\xFE "', e("\xfe ").inspect) assert_equal('"\x8E "', e("\x8e ").inspect) assert_equal('"\x8F "', e("\x8f ").inspect) assert_equal('"\x8F\xA1 "', e("\x8f\xa1 ").inspect) assert_equal('"\xEF "', s("\xef ").inspect) assert_equal('"\xC2 "', u("\xc2 ").inspect) assert_equal('"\xE0\x80 "', u("\xe0\x80 ").inspect) assert_equal('"\xF0\x80\x80 "', u("\xf0\x80\x80 ").inspect) assert_equal('"\xF8\x80\x80\x80 "', u("\xf8\x80\x80\x80 ").inspect) assert_equal('"\xFC\x80\x80\x80\x80 "', u("\xfc\x80\x80\x80\x80 ").inspect) assert_equal(e("\"\\xA1\x8f\xA1\xA1\""), e("\xa1\x8f\xa1\xa1").inspect) assert_equal('"\x81."', s("\x81.").inspect) assert_equal(s("\"\x81@\""), s("\x81@").inspect) assert_equal('"\xFC"', u("\xfc").inspect) end def test_str_dump [ e("\xfe"), e("\x8e"), e("\x8f"), e("\x8f\xa1"), s("\xef"), u("\xc2"), u("\xe0\x80"), u("\xf0\x80\x80"), u("\xf8\x80\x80\x80"), u("\xfc\x80\x80\x80\x80"), e("\xfe "), e("\x8e "), e("\x8f "), e("\x8f\xa1 "), s("\xef "), u("\xc2 "), u("\xe0\x80 "), u("\xf0\x80\x80 "), u("\xf8\x80\x80\x80 "), u("\xfc\x80\x80\x80\x80 "), e("\xa1\x8f\xa1\xa1"), s("\x81."), s("\x81@"), u("\xfc"), "\u3042", "ascii", ].each do |str| assert_equal(str, eval(str.dump), "[ruby-dev:33142]") end end def test_validate_redundant_utf8 bits_0x10ffff = "11110100 10001111 10111111 10111111" [ "0xxxxxxx", "110XXXXx 10xxxxxx", "1110XXXX 10Xxxxxx 10xxxxxx", "11110XXX 10XXxxxx 10xxxxxx 10xxxxxx", "111110XX 10XXXxxx 10xxxxxx 10xxxxxx 10xxxxxx", "1111110X 10XXXXxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx", "11111110 10XXXXXx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx", "11111111 10XXXXXX 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx", ].each {|pat0| [ pat0.gsub(/x/, '1'), pat0.gsub(/x/, '0') ].each {|pat1| [ pat1.sub(/X([^X]*)\z/, '1\1').gsub(/X/, "0"), pat1.gsub(/X/, "1"), ].each {|pat2| s = [pat2.gsub(/ /, "")].pack("B*").force_encoding("utf-8") if pat2 <= bits_0x10ffff assert(s.valid_encoding?, "#{pat2}") else assert(!s.valid_encoding?, "#{pat2}") end } if / / =~ pat0 pat3 = pat1.gsub(/X/, "0") s = [pat3.gsub(/ /, "")].pack("B*").force_encoding("utf-8") assert(!s.valid_encoding?, "#{pat3}") end } } end def test_validate_surrogate # 1110XXXX 10Xxxxxx 10xxxxxx : 3 bytes UTF-8 pats = [ "11101101 10011111 10111111", # just before surrogate high "11101101 1010xxxx 10xxxxxx", # surrogate high "11101101 1011xxxx 10xxxxxx", # surrogate low "11101110 10000000 10000000", # just after surrogate low ] pats.values_at(1,2).each {|pat0| [ pat0.gsub(/x/, '0'), pat0.gsub(/x/, '1'), ].each {|pat1| s = [pat1.gsub(/ /, "")].pack("B*").force_encoding("utf-8") assert(!s.valid_encoding?, "#{pat1}") } } pats.values_at(0,3).each {|pat| s = [pat.gsub(/ /, "")].pack("B*").force_encoding("utf-8") assert(s.valid_encoding?, "#{pat}") } end def test_regexp_too_short_multibyte_character assert_raise(SyntaxError) { eval('/\xfe/e') } assert_raise(SyntaxError) { eval('/\x8e/e') } assert_raise(SyntaxError) { eval('/\x8f/e') } assert_raise(SyntaxError) { eval('/\x8f\xa1/e') } assert_raise(SyntaxError) { eval('/\xef/s') } assert_raise(SyntaxError) { eval('/\xc2/u') } assert_raise(SyntaxError) { eval('/\xe0\x80/u') } assert_raise(SyntaxError) { eval('/\xf0\x80\x80/u') } assert_raise(SyntaxError) { eval('/\xf8\x80\x80\x80/u') } assert_raise(SyntaxError) { eval('/\xfc\x80\x80\x80\x80/u') } # raw 8bit assert_raise(SyntaxError) { eval("/\xfe/e") } assert_raise(SyntaxError) { eval("/\xc2/u") } # invalid suffix assert_raise(SyntaxError) { eval('/\xc2\xff/u') } assert_raise(SyntaxError) { eval('/\xc2 /u') } assert_raise(SyntaxError) { eval('/\xc2\x20/u') } end def test_regexp_generic assert_regexp_generic_ascii(/a/) assert_regexp_generic_ascii(Regexp.new(a("a"))) assert_regexp_generic_ascii(Regexp.new(e("a"))) assert_regexp_generic_ascii(Regexp.new(s("a"))) assert_regexp_generic_ascii(Regexp.new(u("a"))) [/a/, Regexp.new(a("a"))].each {|r| assert_equal(0, r =~ a("a")) assert_equal(0, r =~ e("a")) assert_equal(0, r =~ s("a")) assert_equal(0, r =~ u("a")) assert_equal(nil, r =~ a("\xc2\xa1")) assert_equal(nil, r =~ e("\xc2\xa1")) assert_equal(nil, r =~ s("\xc2\xa1")) assert_equal(nil, r =~ u("\xc2\xa1")) } end def test_regexp_ascii_none r = /a/n assert_warning(%r{regexp match /.../n against to}) { assert_regexp_generic_ascii(r) } assert_equal(0, r =~ a("a")) assert_equal(0, r =~ e("a")) assert_equal(0, r =~ s("a")) assert_equal(0, r =~ u("a")) assert_equal(nil, r =~ a("\xc2\xa1")) assert_warning(%r{regexp match /.../n against to EUC-JP string}) { assert_equal(nil, r =~ e("\xc2\xa1")) } assert_warning(%r{regexp match /.../n against to Windows-31J string}) { assert_equal(nil, r =~ s("\xc2\xa1")) } assert_warning(%r{regexp match /.../n against to UTF-8 string}) { assert_equal(nil, r =~ u("\xc2\xa1")) } assert_nothing_raised { eval(e("/\\x80/n")) } end def test_regexp_ascii assert_regexp_fixed_ascii8bit(/\xc2\xa1/n) assert_regexp_fixed_ascii8bit(eval(a(%{/\xc2\xa1/}))) assert_regexp_fixed_ascii8bit(eval(a(%{/\xc2\xa1/n}))) assert_regexp_fixed_ascii8bit(eval(a(%q{/\xc2\xa1/}))) assert_raise(SyntaxError) { eval("/\xa1\xa1/n".force_encoding("euc-jp")) } [/\xc2\xa1/n, eval(a(%{/\xc2\xa1/})), eval(a(%{/\xc2\xa1/n}))].each {|r| assert_equal(nil, r =~ a("a")) assert_equal(nil, r =~ e("a")) assert_equal(nil, r =~ s("a")) assert_equal(nil, r =~ u("a")) assert_equal(0, r =~ a("\xc2\xa1")) assert_raise(ArgumentError) { r =~ e("\xc2\xa1") } assert_raise(ArgumentError) { r =~ s("\xc2\xa1") } assert_raise(ArgumentError) { r =~ u("\xc2\xa1") } } end def test_regexp_euc assert_regexp_fixed_eucjp(/a/e) assert_regexp_fixed_eucjp(/\xc2\xa1/e) assert_regexp_fixed_eucjp(eval(e(%{/\xc2\xa1/}))) assert_regexp_fixed_eucjp(eval(e(%q{/\xc2\xa1/}))) [/a/e].each {|r| assert_equal(0, r =~ a("a")) assert_equal(0, r =~ e("a")) assert_equal(0, r =~ s("a")) assert_equal(0, r =~ u("a")) assert_raise(ArgumentError) { r =~ a("\xc2\xa1") } assert_equal(nil, r =~ e("\xc2\xa1")) assert_raise(ArgumentError) { r =~ s("\xc2\xa1") } assert_raise(ArgumentError) { r =~ u("\xc2\xa1") } } [/\xc2\xa1/e, eval(e(%{/\xc2\xa1/})), eval(e(%q{/\xc2\xa1/}))].each {|r| assert_equal(nil, r =~ a("a")) assert_equal(nil, r =~ e("a")) assert_equal(nil, r =~ s("a")) assert_equal(nil, r =~ u("a")) assert_raise(ArgumentError) { r =~ a("\xc2\xa1") } assert_equal(0, r =~ e("\xc2\xa1")) assert_raise(ArgumentError) { r =~ s("\xc2\xa1") } assert_raise(ArgumentError) { r =~ u("\xc2\xa1") } } end def test_regexp_sjis assert_regexp_fixed_sjis(/a/s) assert_regexp_fixed_sjis(/\xc2\xa1/s) assert_regexp_fixed_sjis(eval(s(%{/\xc2\xa1/}))) assert_regexp_fixed_sjis(eval(s(%q{/\xc2\xa1/}))) end def test_regexp_windows_31j begin Regexp.new("\xa1".force_encoding("windows-31j")) =~ "\xa1\xa1".force_encoding("euc-jp") rescue ArgumentError err = $! end assert_match(/windows-31j/i, err.message) end def test_regexp_embed r = eval(e("/\xc2\xa1/")) assert_raise(ArgumentError) { eval(s("/\xc2\xa1\#{r}/s")) } assert_raise(ArgumentError) { eval(s("/\#{r}\xc2\xa1/s")) } r = /\xc2\xa1/e assert_raise(ArgumentError) { eval(s("/\xc2\xa1\#{r}/s")) } assert_raise(ArgumentError) { eval(s("/\#{r}\xc2\xa1/s")) } r = eval(e("/\xc2\xa1/")) assert_raise(ArgumentError) { /\xc2\xa1#{r}/s } r = /\xc2\xa1/e assert_raise(ArgumentError) { /\xc2\xa1#{r}/s } r1 = Regexp.new('foo'.force_encoding("ascii-8bit")) r2 = eval('/bar#{r1}/'.force_encoding('ascii-8bit')) assert_equal(Encoding::US_ASCII, r2.encoding) r1 = Regexp.new('foo'.force_encoding("us-ascii")) r2 = eval('/bar#{r1}/'.force_encoding('ascii-8bit')) assert_equal(Encoding::US_ASCII, r2.encoding) r1 = Regexp.new('foo'.force_encoding("ascii-8bit")) r2 = eval('/bar#{r1}/'.force_encoding('us-ascii')) assert_equal(Encoding::US_ASCII, r2.encoding) r1 = Regexp.new('foo'.force_encoding("us-ascii")) r2 = eval('/bar#{r1}/'.force_encoding('us-ascii')) assert_equal(Encoding::US_ASCII, r2.encoding) r1 = Regexp.new('\xa1'.force_encoding("ascii-8bit")) r2 = eval('/bar#{r1}/'.force_encoding('ascii-8bit')) assert_equal(Encoding::ASCII_8BIT, r2.encoding) r1 = Regexp.new('\xa1'.force_encoding("ascii-8bit")) r2 = eval('/bar#{r1}/'.force_encoding('us-ascii')) assert_equal(Encoding::ASCII_8BIT, r2.encoding) r1 = Regexp.new('foo'.force_encoding("ascii-8bit")) r2 = eval('/\xa1#{r1}/'.force_encoding('ascii-8bit')) assert_equal(Encoding::ASCII_8BIT, r2.encoding) r1 = Regexp.new('foo'.force_encoding("us-ascii")) r2 = eval('/\xa1#{r1}/'.force_encoding('ascii-8bit')) assert_equal(Encoding::ASCII_8BIT, r2.encoding) r1 = Regexp.new('\xa1'.force_encoding("ascii-8bit")) r2 = eval('/\xa1#{r1}/'.force_encoding('ascii-8bit')) assert_equal(Encoding::ASCII_8BIT, r2.encoding) end def test_regexp_named_class assert_match(/[[:space:]]/u, "\u{00a0}") assert_match(/[[:space:]]/, "\u{00a0}") end def test_regexp_embed_preprocess r1 = /\xa4\xa2/e r2 = /#{r1}/ assert(r2.source.include?(r1.source)) end def test_begin_end_offset str = e("\244\242\244\244\244\246\244\250\244\252a") assert(/(a)/ =~ str) assert_equal("a", $&) assert_equal(5, $~.begin(0)) assert_equal(6, $~.end(0)) assert_equal([5,6], $~.offset(0)) assert_equal(5, $~.begin(1)) assert_equal(6, $~.end(1)) assert_equal([5,6], $~.offset(1)) end def test_begin_end_offset_sjis str = s("\x81@@") assert(/@/ =~ str) assert_equal(s("\x81@"), $`) assert_equal("@", $&) assert_equal("", $') assert_equal([1,2], $~.offset(0)) end def test_quote assert_regexp_generic_ascii(/#{Regexp.quote(a("a"))}#{Regexp.quote(e("e"))}/) assert_encoding("US-ASCII", Regexp.quote(a("")).encoding) assert_encoding("US-ASCII", Regexp.quote(e("")).encoding) assert_encoding("US-ASCII", Regexp.quote(s("")).encoding) assert_encoding("US-ASCII", Regexp.quote(u("")).encoding) assert_encoding("US-ASCII", Regexp.quote(a("a")).encoding) assert_encoding("US-ASCII", Regexp.quote(e("a")).encoding) assert_encoding("US-ASCII", Regexp.quote(s("a")).encoding) assert_encoding("US-ASCII", Regexp.quote(u("a")).encoding) assert_encoding("ASCII-8BIT", Regexp.quote(a("\xc2\xa1")).encoding) assert_encoding("EUC-JP", Regexp.quote(e("\xc2\xa1")).encoding) assert_encoding("Windows-31J", Regexp.quote(s("\xc2\xa1")).encoding) assert_encoding("UTF-8", Regexp.quote(u("\xc2\xa1")).encoding) end def test_union_0 r = Regexp.union assert_regexp_generic_ascii(r) assert(r !~ a("")) assert(r !~ e("")) assert(r !~ s("")) assert(r !~ u("")) end def test_union_1_asciionly_string assert_regexp_generic_ascii(Regexp.union(a(""))) assert_regexp_generic_ascii(Regexp.union(e(""))) assert_regexp_generic_ascii(Regexp.union(s(""))) assert_regexp_generic_ascii(Regexp.union(u(""))) assert_regexp_generic_ascii(Regexp.union(a("a"))) assert_regexp_generic_ascii(Regexp.union(e("a"))) assert_regexp_generic_ascii(Regexp.union(s("a"))) assert_regexp_generic_ascii(Regexp.union(u("a"))) assert_regexp_generic_ascii(Regexp.union(a("\t"))) assert_regexp_generic_ascii(Regexp.union(e("\t"))) assert_regexp_generic_ascii(Regexp.union(s("\t"))) assert_regexp_generic_ascii(Regexp.union(u("\t"))) end def test_union_1_nonascii_string assert_regexp_fixed_ascii8bit(Regexp.union(a("\xc2\xa1"))) assert_regexp_fixed_eucjp(Regexp.union(e("\xc2\xa1"))) assert_regexp_fixed_sjis(Regexp.union(s("\xc2\xa1"))) assert_regexp_fixed_utf8(Regexp.union(u("\xc2\xa1"))) end def test_union_1_regexp assert_regexp_generic_ascii(Regexp.union(//)) assert_warning(%r{regexp match /.../n against to}) { assert_regexp_generic_ascii(Regexp.union(//n)) } assert_regexp_fixed_eucjp(Regexp.union(//e)) assert_regexp_fixed_sjis(Regexp.union(//s)) assert_regexp_fixed_utf8(Regexp.union(//u)) end def test_union_2 ary = [ a(""), e(""), s(""), u(""), a("\xc2\xa1"), e("\xc2\xa1"), s("\xc2\xa1"), u("\xc2\xa1") ] ary.each {|s1| ary.each {|s2| if s1.empty? if s2.empty? assert_regexp_generic_ascii(Regexp.union(s1, s2)) else r = Regexp.union(s1, s2) assert_regexp_fixed_encoding(r) assert_equal(s2.encoding, r.encoding) end else if s2.empty? r = Regexp.union(s1, s2) assert_regexp_fixed_encoding(r) assert_equal(s1.encoding, r.encoding) else if s1.encoding == s2.encoding r = Regexp.union(s1, s2) assert_regexp_fixed_encoding(r) assert_equal(s1.encoding, r.encoding) else assert_raise(ArgumentError) { Regexp.union(s1, s2) } end end end } } end def test_dynamic_ascii_regexp assert_warning(%r{regexp match /.../n against to}) { assert_regexp_generic_ascii(/#{}/n) } assert_regexp_fixed_ascii8bit(/#{}\xc2\xa1/n) assert_regexp_fixed_ascii8bit(/\xc2\xa1#{}/n) assert_nothing_raised { s1, s2 = a('\xc2'), a('\xa1'); /#{s1}#{s2}/ } end def test_dynamic_eucjp_regexp assert_regexp_fixed_eucjp(/#{}/e) assert_regexp_fixed_eucjp(/#{}\xc2\xa1/e) assert_regexp_fixed_eucjp(/\xc2\xa1#{}/e) assert_raise(SyntaxError) { eval('/\xc2#{}/e') } assert_raise(SyntaxError) { eval('/#{}\xc2/e') } assert_raise(SyntaxError) { eval('/\xc2#{}\xa1/e') } assert_raise(ArgumentError) { s1, s2 = e('\xc2'), e('\xa1'); /#{s1}#{s2}/ } end def test_dynamic_sjis_regexp assert_regexp_fixed_sjis(/#{}/s) assert_regexp_fixed_sjis(/#{}\xc2\xa1/s) assert_regexp_fixed_sjis(/\xc2\xa1#{}/s) assert_raise(SyntaxError) { eval('/\x81#{}/s') } assert_raise(SyntaxError) { eval('/#{}\x81/s') } assert_raise(SyntaxError) { eval('/\x81#{}\xa1/s') } assert_raise(ArgumentError) { s1, s2 = s('\x81'), s('\xa1'); /#{s1}#{s2}/ } end def test_dynamic_utf8_regexp assert_regexp_fixed_utf8(/#{}/u) assert_regexp_fixed_utf8(/#{}\xc2\xa1/u) assert_regexp_fixed_utf8(/\xc2\xa1#{}/u) assert_raise(SyntaxError) { eval('/\xc2#{}/u') } assert_raise(SyntaxError) { eval('/#{}\xc2/u') } assert_raise(SyntaxError) { eval('/\xc2#{}\xa1/u') } assert_raise(ArgumentError) { s1, s2 = u('\xc2'), u('\xa1'); /#{s1}#{s2}/ } end def test_regexp_unicode assert_nothing_raised { eval '/\u{0}/u' } assert_nothing_raised { eval '/\u{D7FF}/u' } assert_raise(SyntaxError) { eval '/\u{D800}/u' } assert_raise(SyntaxError) { eval '/\u{DFFF}/u' } assert_nothing_raised { eval '/\u{E000}/u' } assert_nothing_raised { eval '/\u{10FFFF}/u' } assert_raise(SyntaxError) { eval '/\u{110000}/u' } end def test_regexp_mixed_unicode assert_raise(SyntaxError) { eval(a(%{/\xc2\xa1\\u{6666}/})) } assert_raise(SyntaxError) { eval(e(%{/\xc2\xa1\\u{6666}/})) } assert_raise(SyntaxError) { eval(s(%{/\xc2\xa1\\u{6666}/})) } assert_nothing_raised { eval(u(%{/\xc2\xa1\\u{6666}/})) } assert_raise(SyntaxError) { eval(a(%{/\\u{6666}\xc2\xa1/})) } assert_raise(SyntaxError) { eval(e(%{/\\u{6666}\xc2\xa1/})) } assert_raise(SyntaxError) { eval(s(%{/\\u{6666}\xc2\xa1/})) } assert_nothing_raised { eval(u(%{/\\u{6666}\xc2\xa1/})) } assert_raise(SyntaxError) { eval(a(%{/\\xc2\\xa1\\u{6666}/})) } assert_raise(SyntaxError) { eval(e(%{/\\xc2\\xa1\\u{6666}/})) } assert_raise(SyntaxError) { eval(s(%{/\\xc2\\xa1\\u{6666}/})) } assert_nothing_raised { eval(u(%{/\\xc2\\xa1\\u{6666}/})) } assert_raise(SyntaxError) { eval(a(%{/\\u{6666}\\xc2\\xa1/})) } assert_raise(SyntaxError) { eval(e(%{/\\u{6666}\\xc2\\xa1/})) } assert_raise(SyntaxError) { eval(s(%{/\\u{6666}\\xc2\\xa1/})) } assert_nothing_raised { eval(u(%{/\\u{6666}\\xc2\\xa1/})) } assert_raise(SyntaxError) { eval(a(%{/\xc2\xa1#{}\\u{6666}/})) } assert_raise(SyntaxError) { eval(e(%{/\xc2\xa1#{}\\u{6666}/})) } assert_raise(SyntaxError) { eval(s(%{/\xc2\xa1#{}\\u{6666}/})) } assert_nothing_raised { eval(u(%{/\xc2\xa1#{}\\u{6666}/})) } assert_raise(SyntaxError) { eval(a(%{/\\u{6666}#{}\xc2\xa1/})) } assert_raise(SyntaxError) { eval(e(%{/\\u{6666}#{}\xc2\xa1/})) } assert_raise(SyntaxError) { eval(s(%{/\\u{6666}#{}\xc2\xa1/})) } assert_nothing_raised { eval(u(%{/\\u{6666}#{}\xc2\xa1/})) } assert_raise(SyntaxError) { eval(a(%{/\\xc2\\xa1#{}\\u{6666}/})) } assert_raise(SyntaxError) { eval(e(%{/\\xc2\\xa1#{}\\u{6666}/})) } assert_raise(SyntaxError) { eval(s(%{/\\xc2\\xa1#{}\\u{6666}/})) } assert_nothing_raised { eval(u(%{/\\xc2\\xa1#{}\\u{6666}/})) } assert_raise(SyntaxError) { eval(a(%{/\\u{6666}#{}\\xc2\\xa1/})) } assert_raise(SyntaxError) { eval(e(%{/\\u{6666}#{}\\xc2\\xa1/})) } assert_raise(SyntaxError) { eval(s(%{/\\u{6666}#{}\\xc2\\xa1/})) } assert_nothing_raised { eval(u(%{/\\u{6666}#{}\\xc2\\xa1/})) } end def test_str_allocate s = String.allocate assert_equal(Encoding::ASCII_8BIT, s.encoding) end def test_str_String s = String(10) assert_equal(Encoding::US_ASCII, s.encoding) end def test_sprintf_c assert_strenc("\x80", 'ASCII-8BIT', a("%c") % 128) #assert_raise(ArgumentError) { a("%c") % 0xc2a1 } assert_strenc("\xc2\xa1", 'EUC-JP', e("%c") % 0xc2a1) assert_raise(ArgumentError) { e("%c") % 0xc2 } assert_strenc("\xc2", 'Windows-31J', s("%c") % 0xc2) #assert_raise(ArgumentError) { s("%c") % 0xc2a1 } assert_strenc("\u{c2a1}", 'UTF-8', u("%c") % 0xc2a1) assert_strenc("\u{c2}", 'UTF-8', u("%c") % 0xc2) assert_raise(ArgumentError) { "%s%s" % [s("\xc2\xa1"), e("\xc2\xa1")] } end def test_sprintf_p assert_strenc('""', 'ASCII-8BIT', a("%p") % a("")) assert_strenc('""', 'EUC-JP', e("%p") % e("")) assert_strenc('""', 'Windows-31J', s("%p") % s("")) assert_strenc('""', 'UTF-8', u("%p") % u("")) assert_strenc('"a"', 'ASCII-8BIT', a("%p") % a("a")) assert_strenc('"a"', 'EUC-JP', e("%p") % e("a")) assert_strenc('"a"', 'Windows-31J', s("%p") % s("a")) assert_strenc('"a"', 'UTF-8', u("%p") % u("a")) assert_strenc('"\xC2\xA1"', 'ASCII-8BIT', a("%p") % a("\xc2\xa1")) assert_strenc("\"\xC2\xA1\"", 'EUC-JP', e("%p") % e("\xc2\xa1")) #assert_strenc("\"\xC2\xA1\"", 'Windows-31J', s("%p") % s("\xc2\xa1")) assert_strenc("\"\xC2\xA1\"", 'UTF-8', u("%p") % u("\xc2\xa1")) assert_strenc('"\xC2\xA1"', 'US-ASCII', "%10p" % a("\xc2\xa1")) assert_strenc(" \"\xC2\xA1\"", 'EUC-JP', "%10p" % e("\xc2\xa1")) #assert_strenc(" \"\xC2\xA1\"", 'Windows-31J', "%10p" % s("\xc2\xa1")) assert_strenc(" \"\xC2\xA1\"", 'UTF-8', "%10p" % u("\xc2\xa1")) assert_strenc('"\x00"', 'ASCII-8BIT', a("%p") % a("\x00")) assert_strenc('"\x00"', 'EUC-JP', e("%p") % e("\x00")) assert_strenc('"\x00"', 'Windows-31J', s("%p") % s("\x00")) assert_strenc('"\x00"', 'UTF-8', u("%p") % u("\x00")) end def test_sprintf_s assert_strenc('', 'ASCII-8BIT', a("%s") % a("")) assert_strenc('', 'EUC-JP', e("%s") % e("")) assert_strenc('', 'Windows-31J', s("%s") % s("")) assert_strenc('', 'UTF-8', u("%s") % u("")) assert_strenc('a', 'ASCII-8BIT', a("%s") % a("a")) assert_strenc('a', 'EUC-JP', e("%s") % e("a")) assert_strenc('a', 'Windows-31J', s("%s") % s("a")) assert_strenc('a', 'UTF-8', u("%s") % u("a")) assert_strenc("\xC2\xA1", 'ASCII-8BIT', a("%s") % a("\xc2\xa1")) assert_strenc("\xC2\xA1", 'EUC-JP', e("%s") % e("\xc2\xa1")) #assert_strenc("\xC2\xA1", 'Windows-31J', s("%s") % s("\xc2\xa1")) assert_strenc("\xC2\xA1", 'UTF-8', u("%s") % u("\xc2\xa1")) assert_strenc(" \xC2\xA1", 'ASCII-8BIT', "%10s" % a("\xc2\xa1")) assert_strenc(" \xA1\xA1", 'EUC-JP', "%10s" % e("\xa1\xa1")) #assert_strenc(" \xC2\xA1", 'Windows-31J', "%10s" % s("\xc2\xa1")) assert_strenc(" \xC2\xA1", 'UTF-8', "%10s" % u("\xc2\xa1")) assert_strenc("\x00", 'ASCII-8BIT', a("%s") % a("\x00")) assert_strenc("\x00", 'EUC-JP', e("%s") % e("\x00")) assert_strenc("\x00", 'Windows-31J', s("%s") % s("\x00")) assert_strenc("\x00", 'UTF-8', u("%s") % u("\x00")) assert_equal("EUC-JP", (e("\xc2\xa1 %s") % "foo").encoding.name) end def test_str_lt assert(a("a") < a("\xa1")) assert(a("a") < s("\xa1")) assert(s("a") < a("\xa1")) end def test_str_multiply str = "\u3042" assert_equal(true, (str * 0).ascii_only?, "[ruby-dev:33895]") assert_equal(false, (str * 1).ascii_only?) assert_equal(false, (str * 2).ascii_only?) end def test_str_aref assert_equal(a("\xc2"), a("\xc2\xa1")[0]) assert_equal(a("\xa1"), a("\xc2\xa1")[1]) assert_equal(nil, a("\xc2\xa1")[2]) assert_equal(e("\xc2\xa1"), e("\xc2\xa1")[0]) assert_equal(nil, e("\xc2\xa1")[1]) assert_equal(s("\xc2"), s("\xc2\xa1")[0]) assert_equal(s("\xa1"), s("\xc2\xa1")[1]) assert_equal(nil, s("\xc2\xa1")[2]) assert_equal(u("\xc2\xa1"), u("\xc2\xa1")[0]) assert_equal(nil, u("\xc2\xa1")[1]) str = "\u3042" assert_equal(true, str[0, 0].ascii_only?, "[ruby-dev:33895]") assert_equal(false, str[0, 1].ascii_only?) assert_equal(false, str[0..-1].ascii_only?) end def test_utf8str_aref s = "abcdefghijklmnopqrstuvwxyz\u{3042 3044 3046 3048 304A}" assert_equal("a", s[0]) assert_equal("h", s[7]) assert_equal("i", s[8]) assert_equal("j", s[9]) assert_equal("\u{3044}", s[27]) assert_equal("\u{3046}", s[28]) assert_equal("\u{3048}", s[29]) end def test_str_aref_len assert_equal(a("\xa1"), a("\xc2\xa1\xc2\xa2\xc2\xa3")[1, 1]) assert_equal(a("\xa1\xc2"), a("\xc2\xa1\xc2\xa2\xc2\xa3")[1, 2]) assert_equal(e("\xc2\xa2"), e("\xc2\xa1\xc2\xa2\xc2\xa3")[1, 1]) assert_equal(e("\xc2\xa2\xc2\xa3"), e("\xc2\xa1\xc2\xa2\xc2\xa3")[1, 2]) assert_equal(s("\xa1"), s("\xc2\xa1\xc2\xa2\xc2\xa3")[1, 1]) assert_equal(s("\xa1\xc2"), s("\xc2\xa1\xc2\xa2\xc2\xa3")[1, 2]) assert_equal(u("\xc2\xa2"), u("\xc2\xa1\xc2\xa2\xc2\xa3")[1, 1]) assert_equal(u("\xc2\xa2\xc2\xa3"), u("\xc2\xa1\xc2\xa2\xc2\xa3")[1, 2]) end def test_str_aref_substr assert_equal(a("\xa1\xc2"), a("\xc2\xa1\xc2\xa2\xc2\xa3")[a("\xa1\xc2")]) assert_raise(ArgumentError) { a("\xc2\xa1\xc2\xa2\xc2\xa3")[e("\xa1\xc2")] } assert_equal(nil, e("\xc2\xa1\xc2\xa2\xc2\xa3")[e("\xa1\xc2")]) assert_raise(ArgumentError) { e("\xc2\xa1\xc2\xa2\xc2\xa3")[s("\xa1\xc2")] } assert_equal(s("\xa1\xc2"), s("\xc2\xa1\xc2\xa2\xc2\xa3")[s("\xa1\xc2")]) assert_raise(ArgumentError) { s("\xc2\xa1\xc2\xa2\xc2\xa3")[u("\xa1\xc2")] } assert_equal(nil, u("\xc2\xa1\xc2\xa2\xc2\xa3")[u("\xa1\xc2")]) assert_raise(ArgumentError) { u("\xc2\xa1\xc2\xa2\xc2\xa3")[a("\xa1\xc2")] } assert_nil(e("\xa1\xa2\xa3\xa4")[e("\xa2\xa3")]) end def test_aset s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4") assert_raise(ArgumentError){s["\xb0\xa3"] = "foo"} end def test_str_center assert_encoding("EUC-JP", "a".center(5, e("\xa1\xa2")).encoding) assert_encoding("EUC-JP", e("\xa3\xb0").center(10).encoding) end def test_squeeze s = e("\xa3\xb0\xa3\xb1\xa3\xb1\xa3\xb3\xa3\xb4") assert_equal(e("\xa3\xb0\xa3\xb1\xa3\xb3\xa3\xb4"), s.squeeze) end def test_tr s = s("\x81\x41") assert_equal(s.tr("A", "B"), s) assert_equal(s.tr_s("A", "B"), s) assert_nothing_raised { "a".force_encoding("ASCII-8BIT").tr(a("a"), a("a")) } assert_equal(e("\xA1\xA1"), a("a").tr(a("a"), e("\xA1\xA1"))) end def test_tr_s assert_equal("\xA1\xA1".force_encoding("EUC-JP"), "a".force_encoding("ASCII-8BIT").tr("a".force_encoding("ASCII-8BIT"), "\xA1\xA1".force_encoding("EUC-JP"))) end def test_count assert_equal(0, e("\xa1\xa2").count("z")) s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4") assert_raise(ArgumentError){s.count(a("\xa3\xb0"))} end def test_delete assert_equal(1, e("\xa1\xa2").delete("z").length) s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4") assert_raise(ArgumentError){s.delete(a("\xa3\xb2"))} end def test_include? assert_equal(false, e("\xa1\xa2\xa3\xa4").include?(e("\xa3"))) s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4") assert_equal(false, s.include?(e("\xb0\xa3"))) end def test_index s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4") assert_nil(s.index(e("\xb3\xa3"))) assert_nil(e("\xa1\xa2\xa3\xa4").index(e("\xa3"))) assert_nil(e("\xa1\xa2\xa3\xa4").rindex(e("\xa3"))) s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4") assert_raise(ArgumentError){s.rindex(a("\xb1\xa3"))} end def test_next s1 = e("\xa1\xa1") s2 = s1.dup (94*94+94).times { s2.next! } assert_not_equal(s1, s2) end def test_sub s = "abc".sub(/b/, "\xa1\xa1".force_encoding("euc-jp")) assert_encoding("EUC-JP", s.encoding) assert_equal(Encoding::EUC_JP, "\xa4\xa2".force_encoding("euc-jp").sub(/./, '\&').encoding) assert_equal(Encoding::EUC_JP, "\xa4\xa2".force_encoding("euc-jp").gsub(/./, '\&').encoding) end def test_insert s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4") assert_equal(e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4a"), s.insert(-1, "a")) end def test_scan assert_equal(["a"], e("\xa1\xa2a\xa3\xa4").scan(/a/)) end def test_dup_scan s1 = e("\xa4\xa2")*100 s2 = s1.dup.force_encoding("ascii-8bit") s2.scan(/\A./n) {|f| assert_equal(Encoding::ASCII_8BIT, f.encoding) } end def test_dup_aref s1 = e("\xa4\xa2")*100 s2 = s1.dup.force_encoding("ascii-8bit") assert_equal(Encoding::ASCII_8BIT, s2[10..-1].encoding) end def test_upto s1 = e("\xa1\xa2") s2 = s("\xa1\xa2") assert_raise(ArgumentError){s1.upto(s2) {|x| break }} end def test_casecmp s1 = s("\x81\x41") s2 = s("\x81\x61") assert_not_equal(0, s1.casecmp(s2)) end def test_reverse assert_equal(u("\xf0jihgfedcba"), u("abcdefghij\xf0").reverse) end def test_plus assert_raise(ArgumentError){u("\xe3\x81\x82") + a("\xa1")} end def test_chomp s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4") assert_raise(ArgumentError){s.chomp(s("\xa3\xb4"))} end def test_gsub s = 'abc' s.ascii_only? s.gsub!(/b/, "\x80") assert_equal(false, s.ascii_only?, "[ruby-core:14566] reported by Sam Ruby") s = "abc".force_encoding(Encoding::ASCII_8BIT) t = s.gsub(/b/, "\xa1\xa1".force_encoding("euc-jp")) assert_equal(Encoding::ASCII_8BIT, s.encoding) assert_raise(ArgumentError) { "abc".gsub(/[ac]/) { $& == "a" ? "\xc2\xa1".force_encoding("euc-jp") : "\xc2\xa1".force_encoding("utf-8") } } s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4") assert_equal(e("\xa3\xb0z\xa3\xb2\xa3\xb3\xa3\xb4"), s.gsub(/\xa3\xb1/e, "z")) assert_equal(Encoding::EUC_JP, (a("").gsub(//) { e("") }.encoding)) assert_equal(Encoding::EUC_JP, (a("a").gsub(/a/) { e("") }.encoding)) end def test_end_with s1 = s("\x81\x40") s2 = "@" assert_equal(false, s1.end_with?(s2), "#{encdump s1}.end_with?(#{encdump s2})") end def test_each_line s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4") assert_raise(ArgumentError){s.each_line(a("\xa3\xb1")) {|l| }} s = e("\xa4\xa2\nfoo") actual = [] s.each_line {|line| actual << line } expected = [e("\xa4\xa2\n"), e("foo")] assert_equal(expected, actual) end def test_each_char a = [e("\xa4\xa2"), "b", e("\xa4\xa4"), "c"] s = "\xa4\xa2b\xa4\xa4c".force_encoding("euc-jp") assert_equal(a, s.each_char.to_a, "[ruby-dev:33211] #{encdump s}.each_char.to_a") end def test_regexp_match assert_equal([0,0], //.match("\xa1\xa1".force_encoding("euc-jp"),-1).offset(0)) assert_equal(0, // =~ :a) end def test_split assert_equal(e("\xa1\xa2\xa1\xa3").split(//), [e("\xa1\xa2"), e("\xa1\xa3")], '[ruby-dev:32452]') end def test_nonascii_method_name eval(e("def \xc2\xa1() @nonascii_method_name = :e end")) eval(u("def \xc2\xa1() @nonascii_method_name = :u end")) eval(e("\xc2\xa1()")) assert_equal(:e, @nonascii_method_name) eval(u("\xc2\xa1()")) assert_equal(:u, @nonascii_method_name) me = method(e("\xc2\xa1")) mu = method(u("\xc2\xa1")) assert_not_equal(me.name, mu.name) assert_not_equal(me.inspect, mu.inspect) assert_equal(e("\xc2\xa1"), me.name) assert_equal(u("\xc2\xa1"), mu.name) end def test_symbol s1 = "\xc2\xa1".force_encoding("euc-jp").intern s2 = "\xc2\xa1".force_encoding("utf-8").intern assert_not_equal(s1, s2) end def test_symbol_op ops = %w[ .. ... + - +(binary) -(binary) * / % ** +@ -@ | ^ & ! <=> > >= < <= == === != =~ !~ ~ ! [] []= << >> :: ` ] #` ops.each do |op| assert_equal(Encoding::US_ASCII, op.intern.encoding, "[ruby-dev:33449]") end end def test_chr 0.upto(255) {|b| assert_equal([b].pack("C"), b.chr) } end def test_marshal s1 = "\xa1\xa1".force_encoding("euc-jp") s2 = Marshal.load(Marshal.dump(s1)) assert_equal(s1, s2) end def test_env ENV.each {|k, v| assert_equal(Encoding::ASCII_8BIT, k.encoding) assert_equal(Encoding::ASCII_8BIT, v.encoding) } end def test_empty_string assert_equal(Encoding::US_ASCII, "".encoding) end def test_nil_to_s assert_equal(Encoding::US_ASCII, nil.to_s.encoding) end def test_nil_inspect assert_equal(Encoding::US_ASCII, nil.inspect.encoding) end def test_true_to_s assert_equal(Encoding::US_ASCII, true.to_s.encoding) end def test_false_to_s assert_equal(Encoding::US_ASCII, false.to_s.encoding) end def test_fixnum_to_s assert_equal(Encoding::US_ASCII, 1.to_s.encoding) end def test_float_to_s assert_equal(Encoding::US_ASCII, 1.0.to_s.encoding) end def test_bignum_to_s assert_equal(Encoding::US_ASCII, (1<<129).to_s.encoding) end def test_array_to_s assert_equal(Encoding::US_ASCII, [].to_s.encoding) assert_equal(Encoding::US_ASCII, [nil].to_s.encoding) assert_equal(Encoding::US_ASCII, [1].to_s.encoding) assert_equal(Encoding::US_ASCII, [""].to_s.encoding) assert_equal(Encoding::US_ASCII, ["a"].to_s.encoding) assert_equal(Encoding::US_ASCII, [nil,1,"","a","\x20",[]].to_s.encoding) end def test_hash_to_s assert_equal(Encoding::US_ASCII, {}.to_s.encoding) assert_equal(Encoding::US_ASCII, {1=>nil,"foo"=>""}.to_s.encoding) end def test_encoding_find assert_raise(TypeError) {Encoding.find(nil)} assert_raise(TypeError) {Encoding.find(0)} assert_raise(TypeError) {Encoding.find([])} assert_raise(TypeError) {Encoding.find({})} end def test_encoding_to_s assert_equal(Encoding::US_ASCII, Encoding::US_ASCII.to_s.encoding) assert_equal(Encoding::US_ASCII, Encoding::US_ASCII.inspect.encoding) end def test_regexp_source s = "\xa4\xa2".force_encoding("euc-jp") r = Regexp.new(s) t = r.source assert_equal(s, t, "[ruby-dev:33377] Regexp.new(#{encdump s}).source") end def test_magic_comment assert_equal(Encoding::US_ASCII, eval("__ENCODING__".force_encoding("US-ASCII"))) assert_equal(Encoding::ASCII_8BIT, eval("__ENCODING__".force_encoding("ASCII-8BIT"))) assert_equal(Encoding::US_ASCII, eval("# -*- encoding: US-ASCII -*-\n__ENCODING__".force_encoding("ASCII-8BIT"))) assert_equal(Encoding::ASCII_8BIT, eval("# -*- encoding: ASCII-8BIT -*-\n__ENCODING__".force_encoding("US-ASCII"))) end def test_regexp_usascii assert_regexp_usascii_literal('//', Encoding::US_ASCII) assert_regexp_usascii_literal('/#{}/', Encoding::US_ASCII) assert_regexp_usascii_literal('/#{"a"}/', Encoding::US_ASCII) assert_regexp_usascii_literal('/#{%q"\x80"}/', Encoding::ASCII_8BIT) assert_regexp_usascii_literal('/#{"\x80"}/', nil, SyntaxError) assert_regexp_usascii_literal('/a/', Encoding::US_ASCII) assert_regexp_usascii_literal('/a#{}/', Encoding::US_ASCII) assert_regexp_usascii_literal('/a#{"a"}/', Encoding::US_ASCII) assert_regexp_usascii_literal('/a#{%q"\x80"}/', Encoding::ASCII_8BIT) assert_regexp_usascii_literal('/a#{"\x80"}/', nil, SyntaxError) assert_regexp_usascii_literal('/\x80/', Encoding::ASCII_8BIT) assert_regexp_usascii_literal('/\x80#{}/', Encoding::ASCII_8BIT) assert_regexp_usascii_literal('/\x80#{"a"}/', Encoding::ASCII_8BIT) assert_regexp_usascii_literal('/\x80#{%q"\x80"}/', Encoding::ASCII_8BIT) assert_regexp_usascii_literal('/\x80#{"\x80"}/', nil, SyntaxError) assert_regexp_usascii_literal('/\u1234/', Encoding::UTF_8) assert_regexp_usascii_literal('/\u1234#{}/', Encoding::UTF_8) assert_regexp_usascii_literal('/\u1234#{"a"}/', Encoding::UTF_8) assert_regexp_usascii_literal('/\u1234#{%q"\x80"}/', nil, SyntaxError) assert_regexp_usascii_literal('/\u1234#{"\x80"}/', nil, SyntaxError) assert_regexp_usascii_literal('/\u1234\x80/', nil, SyntaxError) assert_regexp_usascii_literal('/\u1234#{}\x80/', nil, ArgumentError) end def test_gbk assert_equal("", "\x81\x40".force_encoding("GBK").chop) end def test_euc_tw assert_equal("a", "a\x8e\xa2\xa1\xa1".force_encoding("euc-tw").chop) end def test_valid_encoding s = "\xa1".force_encoding("euc-jp") assert_equal(false, s.valid_encoding?) assert_equal(true, (s+s).valid_encoding?, "[ruby-dev:33826]") assert_equal(true, (s*2).valid_encoding?, "[ruby-dev:33826]") assert_equal(true, ("%s%s" % [s, s]).valid_encoding?) assert_equal(true, (s.dup << s).valid_encoding?) assert_equal(true, "".center(2, s).valid_encoding?) s = "\xa1\xa1\x8f".force_encoding("euc-jp") assert_equal(false, s.valid_encoding?) assert_equal(true, s.reverse.valid_encoding?) end end