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add test for UTF-8 bit pattern.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14132 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2007-12-08 04:31:26 +00:00
parent f1b7e60cb9
commit 9667f7953e
1 changed files with 59 additions and 0 deletions
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59
test/ruby/test_m17n.rb
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@ -68,6 +68,65 @@ class TestM17N < Test::Unit::TestCase
assert_equal('"\374"', u("\xfc").inspect)
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') }