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ruby--ruby/test/ruby/test_m17n.rb
Benoit Daloze 6525b6f760 Remove get_actual_encoding() and the dynamic endian detection for dummy UTF-16/UTF-32 
* And simplify callers of get_actual_encoding().
* See [Feature #18949].
* See https://github.com/ruby/ruby/pull/6322#issuecomment-1242758474
2022-09-12 14:02:34 +02:00

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# coding: US-ASCII
# frozen_string_literal: false
require 'test/unit'
class TestM17N < Test::Unit::TestCase
def assert_encoding(encname, actual, message=nil)
assert_equal(Encoding.find(encname), actual, message)
end
module AESU
def ua(str) str.dup.force_encoding("US-ASCII") end
def a(str) str.b 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_regexp_generic_encoding(r)
assert_not_predicate(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_predicate(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(Encoding::CompatibilityError) { 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_include([s1.encoding, s2.encoding], 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("ASCII-8BIT", eval(a(%{""})).encoding)
assert_encoding("ASCII-8BIT", eval(a(%{"a"})).encoding)
end
def test_string_eucjp_literal
assert_encoding("EUC-JP", eval(e(%{""})).encoding)
assert_encoding("EUC-JP", eval(e(%{"a"})).encoding)
assert_encoding("EUC-JP", eval(e(%{"\xa1\xa1"})).encoding)
assert_encoding("EUC-JP", eval(e(%{"\\xa1\\xa1"})).encoding)
assert_encoding("EUC-JP", eval(e(%{"\\x20"})).encoding)
assert_encoding("EUC-JP", 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_invalid
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('"\x81."', s("\x81.").inspect)
assert_equal('"\xFC"', u("\xfc").inspect)
end
def test_string_inspect_encoding
EnvUtil.suppress_warning do
begin
orig_int = Encoding.default_internal
orig_ext = Encoding.default_external
Encoding.default_internal = nil
[Encoding::UTF_8, Encoding::EUC_JP, Encoding::Windows_31J, Encoding::GB18030].
each do |e|
Encoding.default_external = e
str = "\x81\x30\x81\x30".force_encoding('GB18030')
assert_equal(Encoding::GB18030 == e ? %{"#{str}"} : '"\x{81308130}"', str.inspect)
str = e("\xa1\x8f\xa1\xa1")
expected = "\"\\xA1\x8F\xA1\xA1\"".force_encoding("EUC-JP")
assert_equal(Encoding::EUC_JP == e ? expected : "\"\\xA1\\x{8FA1A1}\"", str.inspect)
str = s("\x81@")
assert_equal(Encoding::Windows_31J == e ? %{"#{str}"} : '"\x{8140}"', str.inspect)
str = "\u3042\u{10FFFD}"
assert_equal(Encoding::UTF_8 == e ? %{"#{str}"} : '"\u3042\u{10FFFD}"', str.inspect)
end
Encoding.default_external = Encoding::UTF_8
[Encoding::UTF_16BE, Encoding::UTF_16LE, Encoding::UTF_32BE, Encoding::UTF_32LE,
Encoding::UTF8_SOFTBANK].each do |e|
str = "abc".encode(e)
assert_equal('"abc"', str.inspect)
end
ensure
Encoding.default_internal = orig_int
Encoding.default_external = orig_ext
end
end
end
def test_utf_dummy_are_like_regular_dummy_encodings
[Encoding::UTF_16, Encoding::UTF_32].each do |enc|
s = "\u3042".encode("UTF-32BE")
assert_equal(s.dup.force_encoding("ISO-2022-JP").inspect, s.dup.force_encoding(enc).inspect)
s = "\x00\x00\xFE\xFF"
assert_equal(s.dup.force_encoding("ISO-2022-JP").inspect, s.dup.force_encoding(enc).inspect)
assert_equal [0, 0, 254, 255], "\x00\x00\xFE\xFF".force_encoding(enc).codepoints
assert_equal 0, "\x00\x00\xFE\xFF".force_encoding(enc).ord
assert_equal 255, "\xFF\xFE\x00\x00".force_encoding(enc).ord
end
end
def test_utf_without_bom_asciionly
bug10598 = '[ruby-core:66835] [Bug #10598]'
encs = [Encoding::UTF_16, Encoding::UTF_32].find_all {|enc|
"abcd".force_encoding(enc).ascii_only?
}
assert_empty(encs, bug10598)
end
def test_utf_without_bom_valid
encs = [Encoding::UTF_16, Encoding::UTF_32].find_all {|enc|
!(+"abcd").encode!(enc).force_encoding(enc).valid_encoding?
}
assert_empty(encs)
end
def test_object_utf16_32_inspect
EnvUtil.suppress_warning do
begin
orig_int = Encoding.default_internal
orig_ext = Encoding.default_external
Encoding.default_internal = nil
Encoding.default_external = Encoding::UTF_8
o = Object.new
[Encoding::UTF_16BE, Encoding::UTF_16LE, Encoding::UTF_32BE, Encoding::UTF_32LE].each do |e|
o.instance_eval "undef inspect;def inspect;'abc'.encode('#{e}');end"
assert_equal '[abc]', [o].inspect
end
ensure
Encoding.default_internal = orig_int
Encoding.default_external = orig_ext
end
end
end
def test_object_inspect_external
orig_v, $VERBOSE = $VERBOSE, false
orig_int, Encoding.default_internal = Encoding.default_internal, nil
orig_ext = Encoding.default_external
omit "https://bugs.ruby-lang.org/issues/18338"
o = Object.new
Encoding.default_external = Encoding::UTF_16BE
def o.inspect
"abc"
end
assert_nothing_raised(Encoding::CompatibilityError) { [o].inspect }
def o.inspect
"abc".encode(Encoding.default_external)
end
assert_equal '[abc]', [o].inspect
Encoding.default_external = Encoding::US_ASCII
def o.inspect
"\u3042"
end
assert_equal '[\u3042]', [o].inspect
def o.inspect
"\x82\xa0".force_encoding(Encoding::Windows_31J)
end
assert_equal '[\x{82A0}]', [o].inspect
ensure
Encoding.default_internal = orig_int
Encoding.default_external = orig_ext
$VERBOSE = orig_v
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",
"\u3042".encode("UTF-16LE"),
"\u3042".encode("UTF-16BE"),
].each do |str|
dump = str.dump
assert_equal(str, eval(dump), "[ruby-dev:33142]")
assert_equal(str, dump.undump)
assert_equal(str, eval("# frozen-string-literal: true\n#{dump}"), '[Bug #14687]')
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_predicate(s, :valid_encoding?, "#{pat2}")
else
assert_not_predicate(s, :valid_encoding?, "#{pat2}")
end
}
if / / =~ pat0
pat3 = pat1.gsub(/X/, "0")
s = [pat3.gsub(/ /, "")].pack("B*").force_encoding("utf-8")
assert_not_predicate(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_not_predicate(s, :valid_encoding?, "#{pat1}")
}
}
pats.values_at(0,3).each {|pat|
s = [pat.gsub(/ /, "")].pack("B*").force_encoding("utf-8")
assert_predicate(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{historical binary regexp match /\.\.\./n against}) {
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{historical binary regexp match /\.\.\./n against EUC-JP string}) {
assert_equal(nil, r =~ e("\xc2\xa1"))
}
assert_warning(%r{historical binary regexp match /\.\.\./n against Windows-31J string}) {
assert_equal(nil, r =~ s("\xc2\xa1"))
}
assert_warning(%r{historical binary regexp match /\.\.\./n against 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/})))
s = '\xc2\xa1'
assert_regexp_fixed_ascii8bit(/#{s}/)
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(Encoding::CompatibilityError) { r =~ e("\xc2\xa1") }
assert_raise(Encoding::CompatibilityError) { r =~ s("\xc2\xa1") }
assert_raise(Encoding::CompatibilityError) { 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(Encoding::CompatibilityError) { r =~ a("\xc2\xa1") }
assert_equal(nil, r =~ e("\xc2\xa1"))
assert_raise(Encoding::CompatibilityError) { r =~ s("\xc2\xa1") }
assert_raise(Encoding::CompatibilityError) { 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(Encoding::CompatibilityError) { r =~ a("\xc2\xa1") }
assert_equal(0, r =~ e("\xc2\xa1"))
assert_raise(Encoding::CompatibilityError) { r =~ s("\xc2\xa1") }
assert_raise(Encoding::CompatibilityError) { 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 Encoding::CompatibilityError
err = $!
end
assert_match(/windows-31j/i, err.message)
end
def test_regexp_embed
r = eval(e("/\xc2\xa1/"))
assert_raise(RegexpError) { eval(s("/\xc2\xa1\#{r}/s")) }
assert_raise(RegexpError) { eval(s("/\#{r}\xc2\xa1/s")) }
r = /\xc2\xa1/e
assert_raise(RegexpError) { eval(s("/\xc2\xa1\#{r}/s")) }
assert_raise(RegexpError) { eval(s("/\#{r}\xc2\xa1/s")) }
r = eval(e("/\xc2\xa1/"))
assert_raise(RegexpError) { /\xc2\xa1#{r}/s }
r = /\xc2\xa1/e
assert_raise(RegexpError) { /\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)
[r1, r2]
end
def test_regexp_named_class
assert_match(/[[:space:]]/u, "\u{00a0}")
assert_match(/[[:space:]]/, "\u{00a0}")
end
def test_regexp_property
s = '\p{Hiragana}'.force_encoding("euc-jp")
assert_equal(Encoding::EUC_JP, s.encoding)
r = nil
assert_nothing_raised {
r = Regexp.new(s)
}
assert_predicate(r, :fixed_encoding?)
assert_match(r, "\xa4\xa2".force_encoding("euc-jp"))
r = eval('/\p{Hiragana}/'.force_encoding("euc-jp"))
assert_predicate(r, :fixed_encoding?)
assert_match(r, "\xa4\xa2".force_encoding("euc-jp"))
r = /\p{Hiragana}/e
assert_predicate(r, :fixed_encoding?)
assert_match(r, "\xa4\xa2".force_encoding("euc-jp"))
r = /\p{AsciI}/e
assert_predicate(r, :fixed_encoding?)
assert_match(r, "a".force_encoding("euc-jp"))
r = /\p{hiraganA}/e
assert_predicate(r, :fixed_encoding?)
assert_match(r, "\xa4\xa2".force_encoding("euc-jp"))
r = eval('/\u{3042}\p{Hiragana}/'.force_encoding("euc-jp"))
assert_predicate(r, :fixed_encoding?)
assert_equal(Encoding::UTF_8, r.encoding)
r = eval('/\p{Hiragana}\u{3042}/'.force_encoding("euc-jp"))
assert_predicate(r, :fixed_encoding?)
assert_equal(Encoding::UTF_8, r.encoding)
end
def test_regexp_embed_preprocess
r1 = /\xa4\xa2/e
r2 = /#{r1}/
assert_include(r2.source, 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_not_match(r, a(""))
assert_not_match(r, e(""))
assert_not_match(r, s(""))
assert_not_match(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{historical binary regexp match /.../n against}) {
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{historical binary regexp match /.../n against}) {
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(Encoding::CompatibilityError) {
"%s%s" % [s("\xc2\xa1"), e("\xc2\xa1")]
}
assert_equal("\u3042".encode('Windows-31J'), "%c" % "\u3042\u3044".encode('Windows-31J'))
end
def test_sprintf_p
Encoding.list.each do |e|
unless e.ascii_compatible?
format = e.dummy? ? "%p".force_encoding(e) : "%p".encode(e)
assert_raise(Encoding::CompatibilityError) do
sprintf(format, nil)
end
assert_raise(Encoding::CompatibilityError) do
format % nil
end
next
end
format = "%p".force_encoding(e)
['', 'a', "\xC2\xA1", "\x00"].each do |s|
s.force_encoding(e)
enc = (''.force_encoding(e) + s.inspect).encoding
assert_strenc(s.inspect, enc, format % s)
end
s = "\xC2\xA1".force_encoding(e)
enc = ('' + s.inspect).encoding
assert_strenc('%10s' % s.inspect, enc, "%10p" % s)
end
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_operator(a("a"), :<, a("\xa1"))
assert_operator(a("a"), :<, s("\xa1"))
assert_operator(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])
s = "abcdefghijklmnopqrstuvw\u{3042 3044 3046 3048 304A}"
assert_equal("\u{3044}", s[24])
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(Encoding::CompatibilityError) { 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(Encoding::CompatibilityError) { 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(Encoding::CompatibilityError) { 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(Encoding::CompatibilityError) { u("\xc2\xa1\xc2\xa2\xc2\xa3")[a("\xa1\xc2")] }
assert_nil(e("\xa1\xa2\xa3\xa4")[e("\xa2\xa3")])
bug2379 = '[ruby-core:26787]'
assert_equal("\u{439}", "\u{439}"[0, 30], bug2379)
assert_equal("\u{439}", "a\u{439}"[1, 30], bug2379)
assert_equal("\u{439}", "a\u{439}bcdefghijklmnop"[1, 1][0, 1], bug2379)
end
def test_str_aref_force_encoding
bug5836 = '[ruby-core:41896]'
Encoding.list.each do |enc|
next unless enc.ascii_compatible?
s = "abc".force_encoding(enc)
assert_equal("", s[3, 1], bug5836)
end
end
def test_aset
s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4")
assert_raise(Encoding::CompatibilityError){s["\xb0\xa3"] = "foo"}
a = ua("a")
a[/a/] = u("")
assert_equal Encoding::US_ASCII, a.encoding
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")))
assert_equal("X\u3042\u3044X", "A\u3042\u3044\u3046".tr("^\u3042\u3044", "X"))
assert_equal("\u3042\u3046" * 100, ("\u3042\u3044" * 100).tr("\u3044", "\u3046"))
assert_equal("Y", "\u3042".tr("^X", "Y"))
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(Encoding::CompatibilityError){s.count(a("\xa3\xb0"))}
end
def test_count_sjis_trailing_byte
bug10078 = '[ruby-dev:48442] [Bug #10078]'
assert_equal(0, s("\x98\x61").count("a"), bug10078)
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(Encoding::CompatibilityError){s.delete(a("\xa3\xb2"))}
a = "\u3042\u3044\u3046\u3042\u3044\u3046"
a.delete!("\u3042\u3044", "^\u3044")
assert_equal("\u3044\u3046\u3044\u3046", a)
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")))
bug11488 = '[ruby-core:70592] [Bug #11488]'
each_encoding("abcdef", "def") do |str, substr|
assert_equal(true, str.include?(substr), bug11488)
end
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(Encoding::CompatibilityError){s.rindex(a("\xb1\xa3"))}
bug11488 = '[ruby-core:70592] [Bug #11488]'
each_encoding("abcdef", "def") do |str, substr|
assert_equal(3, str.index(substr), bug11488)
end
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_sub2
s = "\x80".force_encoding("ASCII-8BIT")
r = Regexp.new("\x80".force_encoding("ASCII-8BIT"))
s2 = s.sub(r, "")
assert_empty(s2)
assert_predicate(s2, :ascii_only?)
end
def test_sub3
repl = "\x81".force_encoding("sjis")
assert_equal(false, repl.valid_encoding?)
s = "a@".sub(/a/, repl)
assert_predicate(s, :valid_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.b
s2.scan(/\A./n) {|f|
assert_equal(Encoding::ASCII_8BIT, f.encoding)
}
end
def test_dup_aref
s1 = e("\xa4\xa2")*100
s2 = s1.b
assert_equal(Encoding::ASCII_8BIT, s2[10..-1].encoding)
end
def test_upto
s1 = e("\xa1\xa2")
s2 = s("\xa1\xa2")
assert_raise(Encoding::CompatibilityError){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
bug11387 = '[ruby-dev:49189] [Bug #11387]'
s1 = u("abcdefghij\xf0")
s2 = s1.reverse
assert_not_predicate(s1, :valid_encoding?, bug11387)
assert_equal(u("\xf0jihgfedcba"), s2)
assert_not_predicate(s2, :valid_encoding?, bug11387)
end
def test_reverse_bang
s = u("abcdefghij\xf0")
s.reverse!
assert_equal(u("\xf0jihgfedcba"), s)
end
def test_plus
assert_raise(Encoding::CompatibilityError){u("\xe3\x81\x82") + a("\xa1")}
end
def test_chomp
s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4")
assert_raise(Encoding::CompatibilityError){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)
assert_equal(Encoding::ASCII_8BIT, s.encoding)
assert_raise(Encoding::CompatibilityError) {
"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::ASCII_8BIT, (a("").gsub(//) { e("") }.encoding))
assert_equal(Encoding::ASCII_8BIT, (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})")
each_encoding("\u3042\u3044", "\u3044") do |_s1, _s2|
assert_equal(true, _s1.end_with?(_s2), "#{encdump _s1}.end_with?(#{encdump _s2})")
end
each_encoding("\u3042a\u3044", "a\u3044") do |_s1, _s2|
assert_equal(true, _s1.end_with?(_s2), "#{encdump _s1}.end_with?(#{encdump _s2})")
end
end
def test_each_line
s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4")
assert_raise(Encoding::CompatibilityError){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_str_concat
assert_equal(1, "".concat(0xA2).size)
assert_equal(Encoding::ASCII_8BIT, "".force_encoding("US-ASCII").concat(0xA2).encoding)
assert_equal("A\x84\x31\xA4\x39".force_encoding("GB18030"),
"A".force_encoding("GB18030") << 0x8431A439)
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]')
each_encoding("abc,def", ",", "abc", "def") do |str, sep, *expected|
assert_equal(expected, str.split(sep, -1))
end
each_encoding("abc\0def", "\0", "abc", "def") do |str, sep, *expected|
assert_equal(expected, str.split(sep, -1))
end
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.to_s)
assert_equal(u("\xc2\xa1"), mu.name.to_s)
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"
.. ... + - * / % ** +@ -@ | ^ & ! <=> > >= < <= ==
=== != =~ !~ ~ ! [] []= << >> :: `
"
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)
}
assert_equal("\x84\x31\xA4\x39".force_encoding("GB18030"), 0x8431A439.chr("GB18030"))
e = assert_raise(RangeError) {
2206368128.chr(Encoding::UTF_8)
}
assert_not_match(/-\d+ out of char range/, e.message)
assert_raise(RangeError){ 0x80.chr("US-ASCII") }
assert_raise(RangeError){ 0x80.chr("SHIFT_JIS") }
assert_raise(RangeError){ 0xE0.chr("SHIFT_JIS") }
assert_raise(RangeError){ 0x100.chr("SHIFT_JIS") }
assert_raise(RangeError){ 0xA0.chr("EUC-JP") }
assert_raise(RangeError){ 0x100.chr("EUC-JP") }
assert_raise(RangeError){ 0xA1A0.chr("EUC-JP") }
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
if RUBY_PLATFORM =~ /bccwin|mswin|mingw/
env_encoding = Encoding::UTF_8
else
env_encoding = Encoding.find("locale")
end
ENV.each {|k, v|
assert_equal(env_encoding, k.encoding, proc {"key(#{k.encoding})=#{k.dump}"})
assert_equal(env_encoding, v.encoding, proc {"key(#{k.encoding})=#{k.dump}\n" "value(#{v.encoding})=#{v.dump}"})
}
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("".inspect.encoding, [""].to_s.encoding)
assert_equal("a".inspect.encoding, ["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_magic_comment_vim
assert_equal(Encoding::US_ASCII, eval("# vim: filetype=ruby, fileencoding: US-ASCII, ts=3, sw=3\n__ENCODING__".force_encoding("ASCII-8BIT")))
assert_equal(Encoding::ASCII_8BIT, eval("# vim: filetype=ruby, fileencoding: ASCII-8BIT, ts=3, sw=3\n__ENCODING__".force_encoding("US-ASCII")))
end
def test_magic_comment_at_various_positions
# after shebang
assert_equal(Encoding::US_ASCII, eval("#!/usr/bin/ruby\n# -*- encoding: US-ASCII -*-\n__ENCODING__".force_encoding("ASCII-8BIT")))
assert_equal(Encoding::ASCII_8BIT, eval("#!/usr/bin/ruby\n# -*- encoding: ASCII-8BIT -*-\n__ENCODING__".force_encoding("US-ASCII")))
# wrong position
assert_equal(Encoding::ASCII_8BIT, eval("\n# -*- encoding: US-ASCII -*-\n__ENCODING__".force_encoding("ASCII-8BIT")))
assert_equal(Encoding::US_ASCII, eval("\n# -*- encoding: ASCII-8BIT -*-\n__ENCODING__".force_encoding("US-ASCII")))
# leading expressions
assert_equal(Encoding::ASCII_8BIT, eval("v=1 # -*- encoding: US-ASCII -*-\n__ENCODING__".force_encoding("ASCII-8BIT")))
assert_equal(Encoding::US_ASCII, eval("v=1 # -*- 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, RegexpError)
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?)
bug4018 = '[ruby-core:33027]'
s = "\xa1\xa1".force_encoding("euc-jp")
assert_equal(true, s.valid_encoding?)
s << "\x8f".force_encoding("euc-jp")
assert_equal(false, s.valid_encoding?, bug4018)
s = "aa".force_encoding("utf-16be")
assert_equal(true, s.valid_encoding?)
s << "\xff".force_encoding("utf-16be")
assert_equal(false, s.valid_encoding?, bug4018)
bug6190 = '[ruby-core:43557]'
s = "\xe9"
s = s.encode("utf-8", "utf-8")
assert_equal(false, s.valid_encoding?, bug6190)
s = "\xe9"
s.encode!("utf-8", "utf-8")
assert_equal(false, s.valid_encoding?, bug6190)
end
def test_getbyte
assert_equal(0x82, u("\xE3\x81\x82\xE3\x81\x84").getbyte(2))
assert_equal(0x82, u("\xE3\x81\x82\xE3\x81\x84").getbyte(-4))
assert_nil(u("\xE3\x81\x82\xE3\x81\x84").getbyte(100))
end
def test_setbyte
s = u("\xE3\x81\x82\xE3\x81\x84")
s.setbyte(2, 0x84)
assert_equal(u("\xE3\x81\x84\xE3\x81\x84"), s)
s = u("\xE3\x81\x82\xE3\x81\x84")
assert_raise(IndexError) { s.setbyte(100, 0) }
s = u("\xE3\x81\x82\xE3\x81\x84")
s.setbyte(-4, 0x84)
assert_equal(u("\xE3\x81\x84\xE3\x81\x84"), s)
x = "x" * 100
t = nil
failure = proc {"#{i}: #{encdump(t)}"}
s = "\u{3042 3044}"
s.bytesize.times {|i|
t = s + x
t.setbyte(i, t.getbyte(i)+1)
assert_predicate(t, :valid_encoding?, failure)
assert_not_predicate(t, :ascii_only?, failure)
t = s + x
t.setbyte(i, 0x20)
assert_not_predicate(t, :valid_encoding?, failure)
}
s = "\u{41 42 43}"
s.bytesize.times {|i|
t = s + x
t.setbyte(i, 0x20)
assert_predicate(t, :valid_encoding?, failure)
assert_predicate(t, :ascii_only?, failure)
t.setbyte(i, 0xe3)
assert_not_predicate(t, :valid_encoding?, failure)
}
end
def test_setbyte_range
s = u("\xE3\x81\x82\xE3\x81\x84")
assert_nothing_raised { s.setbyte(0, -1) }
assert_nothing_raised { s.setbyte(0, 0x00) }
assert_nothing_raised { s.setbyte(0, 0x7F) }
assert_nothing_raised { s.setbyte(0, 0x80) }
assert_nothing_raised { s.setbyte(0, 0xff) }
assert_nothing_raised { s.setbyte(0, 0x100) }
assert_nothing_raised { s.setbyte(0, 0x4f7574206f6620636861722072616e6765) }
end
def test_compatible
assert_nil Encoding.compatible?("",0)
assert_equal(Encoding::UTF_8, Encoding.compatible?(u(""), ua("abc")))
assert_equal(Encoding::UTF_8, Encoding.compatible?(Encoding::UTF_8, Encoding::UTF_8))
assert_equal(Encoding::UTF_8, Encoding.compatible?(Encoding::UTF_8, Encoding::US_ASCII))
assert_equal(Encoding::ASCII_8BIT,
Encoding.compatible?(Encoding::ASCII_8BIT, Encoding::US_ASCII))
assert_nil Encoding.compatible?(Encoding::UTF_8, Encoding::ASCII_8BIT)
end
def test_force_encoding
assert_equal(u("\x80"), "".center(1, u("\x80")),
"moved from btest/knownbug, [ruby-dev:33807]")
a = "".force_encoding("ascii-8bit") << 0xC3 << 0xB6
assert_equal(1, a.force_encoding("utf-8").size, '[ruby-core:22437]')
b = "".force_encoding("ascii-8bit") << 0xC3.chr << 0xB6.chr
assert_equal(1, b.force_encoding("utf-8").size, '[ruby-core:22437]')
assert_raise(TypeError){ ''.force_encoding(nil) }
end
def test_combchar_codepoint
assert_equal([0x30BB, 0x309A], "\u30BB\u309A".codepoints.to_a)
assert_equal([0x30BB, 0x309A], "\u30BB\u309A".codepoints.to_a)
end
def each_encoding(*strings)
Encoding.list.each do |enc|
next if enc.dummy?
strs = strings.map {|s| s.encode(enc)} rescue next
yield(*strs)
end
end
def test_str_b
s = "\u3042"
assert_equal(a("\xE3\x81\x82"), s.b)
assert_equal(Encoding::ASCII_8BIT, s.b.encoding)
s = "abc".b
assert_predicate(s.b, :ascii_only?)
end
def test_scrub_valid_string
str = "foo"
assert_equal(str, str.scrub)
assert_not_same(str, str.scrub)
str = "\u3042\u3044"
assert_equal(str, str.scrub)
assert_not_same(str, str.scrub)
str.force_encoding(Encoding::ISO_2022_JP) # dummy encoding
assert_equal(str, str.scrub)
assert_not_same(str, str.scrub)
assert_nothing_raised(ArgumentError) {str.scrub(nil)}
end
def test_scrub_modification_inside_block
str = ("abc\u3042".b << "\xE3\x80".b).force_encoding('UTF-8')
assert_raise(RuntimeError) {str.scrub{|_| str << "1234567890"; "?" }}
str = "\x00\xD8\x42\x30".force_encoding(Encoding::UTF_16LE)
assert_raise(RuntimeError) do
str.scrub do |_|
str << "1\x002\x00".force_encoding('UTF-16LE')
"?\x00".force_encoding('UTF-16LE')
end
end
end
def test_scrub_replace_default
assert_equal("\uFFFD\uFFFD\uFFFD", u("\x80\x80\x80").scrub)
assert_equal("\uFFFDA", u("\xF4\x80\x80A").scrub)
# examples in Unicode 6.1.0 D93b
assert_equal("\x41\uFFFD\uFFFD\x41\uFFFD\x41",
u("\x41\xC0\xAF\x41\xF4\x80\x80\x41").scrub)
assert_equal("\x41\uFFFD\uFFFD\uFFFD\x41",
u("\x41\xE0\x9F\x80\x41").scrub)
assert_equal("\u0061\uFFFD\uFFFD\uFFFD\u0062\uFFFD\u0063\uFFFD\uFFFD\u0064",
u("\x61\xF1\x80\x80\xE1\x80\xC2\x62\x80\x63\x80\xBF\x64").scrub)
assert_equal("abcdefghijklmnopqrstuvwxyz\u0061\uFFFD\uFFFD\uFFFD\u0062\uFFFD\u0063\uFFFD\uFFFD\u0064",
u("abcdefghijklmnopqrstuvwxyz\x61\xF1\x80\x80\xE1\x80\xC2\x62\x80\x63\x80\xBF\x64").scrub)
end
def test_scrub_replace_argument
assert_equal("foo", u("foo").scrub("\u3013"))
assert_equal("\u3042\u3044", u("\xE3\x81\x82\xE3\x81\x84").scrub("\u3013"))
assert_equal("\u3042\u3013", u("\xE3\x81\x82\xE3\x81").scrub("\u3013"))
assert_raise(Encoding::CompatibilityError){ u("\xE3\x81\x82\xE3\x81").scrub(e("\xA4\xA2")) }
assert_raise(TypeError){ u("\xE3\x81\x82\xE3\x81").scrub(1) }
assert_raise(ArgumentError){ u("\xE3\x81\x82\xE3\x81\x82\xE3\x81").scrub(u("\x81")) }
assert_equal(e("\xA4\xA2\xA2\xAE"), e("\xA4\xA2\xA4").scrub(e("\xA2\xAE")))
end
def test_scrub_replace_block
assert_equal("\u3042<e381>", u("\xE3\x81\x82\xE3\x81").scrub{|x|'<'+x.unpack('H*')[0]+'>'})
assert_raise(Encoding::CompatibilityError){ u("\xE3\x81\x82\xE3\x81").scrub{e("\xA4\xA2")} }
assert_raise(TypeError){ u("\xE3\x81\x82\xE3\x81").scrub{1} }
assert_raise(ArgumentError){ u("\xE3\x81\x82\xE3\x81\x82\xE3\x81").scrub{u("\x81")} }
assert_equal(e("\xA4\xA2\xA2\xAE"), e("\xA4\xA2\xA4").scrub{e("\xA2\xAE")})
assert_equal(u("\x81"), u("a\x81c").scrub {|c| break c})
assert_raise(ArgumentError) {u("a\x81").scrub {|c| c}}
assert_raise(ArgumentError) {u("a").scrub("?") {|c| c}}
end
def test_scrub_widechar
assert_equal("\uFFFD\u3042".encode("UTF-16BE"),
"\xD8\x00\x30\x42".force_encoding(Encoding::UTF_16BE).
scrub)
assert_equal("\uFFFD\u3042".encode("UTF-16LE"),
"\x00\xD8\x42\x30".force_encoding(Encoding::UTF_16LE).
scrub)
assert_equal("\uFFFD".encode("UTF-32BE"),
"\xff".force_encoding(Encoding::UTF_32BE).
scrub)
assert_equal("\uFFFD".encode("UTF-32LE"),
"\xff".force_encoding(Encoding::UTF_32LE).
scrub)
c = nil
assert_equal("?\u3042".encode(Encoding::UTF_16LE),
"\x00\xD8\x42\x30".force_encoding(Encoding::UTF_16LE).
scrub {|e| c = e; "?".encode(Encoding::UTF_16LE)})
assert_equal("\x00\xD8".force_encoding(Encoding::UTF_16LE), c)
assert_raise(ArgumentError) {"\uFFFD\u3042".encode("UTF-16BE").scrub("") {}}
end
def test_scrub_dummy_encoding
s = "\u{3042}".encode("iso-2022-jp")
assert_equal(s, s.scrub)
assert_equal(s, s.force_encoding("iso-2022-jp").scrub("?"))
end
def test_scrub_bang
str = "\u3042\u3044"
assert_same(str, str.scrub!)
str.force_encoding(Encoding::ISO_2022_JP) # dummy encoding
assert_same(str, str.scrub!)
assert_nothing_raised(ArgumentError) {str.scrub!(nil)}
str = u("\x80\x80\x80")
str.scrub!
assert_same(str, str.scrub!)
assert_equal("\uFFFD\uFFFD\uFFFD", str)
end
def test_escaped_metachar
bug10670 = '[ruby-core:67193] [Bug #10670]'
escape_plain = /\A[\x5B]*\z/.freeze
assert_match(escape_plain, 0x5b.chr(::Encoding::UTF_8), bug10670)
assert_match(escape_plain, 0x5b.chr, bug10670)
end
def test_inspect_with_default_internal
bug11787 = '[ruby-dev:49415] [Bug #11787]'
s = EnvUtil.with_default_internal(::Encoding::EUC_JP) do
[e("\xB4\xC1\xBB\xFA")].inspect
end
assert_equal(e("[\"\xB4\xC1\xBB\xFA\"]"), s, bug11787)
end
def test_greek_capital_gap
bug12204 = '[ruby-core:74478] [Bug #12204] GREEK CAPITAL RHO and SIGMA'
assert_equal("\u03A3", "\u03A1".succ, bug12204)
end
end
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