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require 'test/unit'
class TestUTF16 < Test::Unit::TestCase
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 enccall(recv, meth, *args)
desc = ''
if String === recv
desc << encdump(recv)
else
desc << recv.inspect
end
desc << '.' << meth.to_s
if !args.empty?
desc << '('
args.each_with_index {|a, i|
desc << ',' if 0 < i
if String === a
desc << encdump(a)
else
desc << a.inspect
end
}
desc << ')'
end
result = nil
assert_nothing_raised(desc) {
result = recv.send(meth, *args)
}
result
end
def assert_str_equal(expected, actual, message=nil)
full_message = build_message(message, <<EOT)
#{encdump expected} expected but not equal to
#{encdump actual}.
EOT
assert_block(full_message) { expected == actual }
end
# tests start
def test_utf16be_valid_encoding
[
"\x00\x00",
"\xd7\xff",
"\xd8\x00\xdc\x00",
"\xdb\xff\xdf\xff",
"\xe0\x00",
"\xff\xff",
].each {|s|
s.force_encoding("utf-16be")
assert_equal(true, s.valid_encoding?, "#{encdump s}.valid_encoding?")
}
[
"\x00",
"\xd7",
"\xd8\x00",
"\xd8\x00\xd8\x00",
"\xdc\x00",
"\xdc\x00\xd8\x00",
"\xdc\x00\xdc\x00",
"\xe0",
"\xff",
].each {|s|
s.force_encoding("utf-16be")
assert_equal(false, s.valid_encoding?, "#{encdump s}.valid_encoding?")
}
end
def test_utf16le_valid_encoding
[
"\x00\x00",
"\xff\xd7",
"\x00\xd8\x00\xdc",
"\xff\xdb\xff\xdf",
"\x00\xe0",
"\xff\xff",
].each {|s|
s.force_encoding("utf-16le")
assert_equal(true, s.valid_encoding?, "#{encdump s}.valid_encoding?")
}
[
"\x00",
"\xd7",
"\x00\xd8",
"\x00\xd8\x00\xd8",
"\x00\xdc",
"\x00\xdc\x00\xd8",
"\x00\xdc\x00\xdc",
"\xe0",
"\xff",
].each {|s|
s.force_encoding("utf-16le")
assert_equal(false, s.valid_encoding?, "#{encdump s}.valid_encoding?")
}
end
def test_strftime
s = "aa".force_encoding("utf-16be")
assert_raise(ArgumentError, "Time.now.strftime(#{encdump s})") { Time.now.strftime(s) }
end
def test_intern
s = "aaaa".force_encoding("utf-16be")
assert_equal(s.encoding, s.intern.to_s.encoding, "#{encdump s}.intern.to_s.encoding")
end
def test_sym_eq
s = "aa".force_encoding("utf-16le")
assert(s.intern != :aa, "#{encdump s}.intern != :aa")
end
def test_compatible
s1 = "aa".force_encoding("utf-16be")
s2 = "z".force_encoding("us-ascii")
assert_nil(Encoding.compatible?(s1, s2), "Encoding.compatible?(#{encdump s1}, #{encdump s2})")
end
def test_casecmp
s1 = "aa".force_encoding("utf-16be")
s2 = "AA"
assert_not_equal(0, s1.casecmp(s2), "#{encdump s1}.casecmp(#{encdump s2})")
end
def test_end_with
s1 = "ab".force_encoding("utf-16be")
s2 = "b".force_encoding("utf-16be")
assert_equal(false, s1.end_with?(s2), "#{encdump s1}.end_with?(#{encdump s2})")
end
def test_hex
assert_raise(ArgumentError) {
"ff".encode("utf-16le").hex
}
assert_raise(ArgumentError) {
"ff".encode("utf-16be").hex
}
end
def test_oct
assert_raise(ArgumentError) {
"77".encode("utf-16le").oct
}
assert_raise(ArgumentError) {
"77".encode("utf-16be").oct
}
end
def test_count
s1 = "aa".force_encoding("utf-16be")
s2 = "aa"
assert_raise(ArgumentError, "#{encdump s1}.count(#{encdump s2})") {
s1.count(s2)
}
end
def test_plus
s1 = "a".force_encoding("us-ascii")
s2 = "aa".force_encoding("utf-16be")
assert_raise(ArgumentError, "#{encdump s1} + #{encdump s2}") {
s1 + s2
}
end
def test_encoding_find
assert_raise(ArgumentError) {
Encoding.find("utf-8".force_encoding("utf-16be"))
}
end
def test_interpolation
s = "aa".force_encoding("utf-16be")
assert_raise(ArgumentError, "\"a\#{#{encdump s}}\"") {
"a#{s}"
}
end
def test_slice!
enccall("aa".force_encoding("UTF-16BE"), :slice!, -1)
end
def test_plus_empty1
s1 = ""
s2 = "aa".force_encoding("utf-16be")
assert_nothing_raised("#{encdump s1} << #{encdump s2}") {
s1 + s2
}
end
def test_plus_empty2
s1 = "aa"
s2 = "".force_encoding("utf-16be")
assert_nothing_raised("#{encdump s1} << #{encdump s2}") {
s1 + s2
}
end
def test_plus_nonempty
s1 = "aa"
s2 = "bb".force_encoding("utf-16be")
assert_raise(ArgumentError, "#{encdump s1} << #{encdump s2}") {
s1 + s2
}
end
def test_concat_empty1
s1 = ""
s2 = "aa".force_encoding("utf-16be")
assert_nothing_raised("#{encdump s1} << #{encdump s2}") {
s1 << s2
}
end
def test_concat_empty2
s1 = "aa"
s2 = "".force_encoding("utf-16be")
assert_nothing_raised("#{encdump s1} << #{encdump s2}") {
s1 << s2
}
end
def test_concat_nonempty
s1 = "aa"
s2 = "bb".force_encoding("utf-16be")
assert_raise(ArgumentError, "#{encdump s1} << #{encdump s2}") {
s1 << s2
}
end
def test_chomp
s = "\1\n".force_encoding("utf-16be")
assert_equal(s, s.chomp, "#{encdump s}.chomp")
s = "\0\n".force_encoding("utf-16be")
assert_equal("", s.chomp, "#{encdump s}.chomp")
s = "\0\r\0\n".force_encoding("utf-16be")
assert_equal("", s.chomp, "#{encdump s}.chomp")
end
def test_succ
s = "\xff\xff".force_encoding("utf-16be")
assert(s.succ.valid_encoding?, "#{encdump s}.succ.valid_encoding?")
s = "\xdb\xff\xdf\xff".force_encoding("utf-16be")
assert(s.succ.valid_encoding?, "#{encdump s}.succ.valid_encoding?")
end
def test_regexp_union
enccall(Regexp, :union, "aa".force_encoding("utf-16be"), "bb".force_encoding("utf-16be"))
end
def test_empty_regexp
s = "".force_encoding("utf-16be")
assert_equal(Encoding.find("utf-16be"), Regexp.new(s).encoding,
"Regexp.new(#{encdump s}).encoding")
end
def test_gsub
s = "abcd".force_encoding("utf-16be")
assert_nothing_raised {
s.gsub(Regexp.new(".".encode("utf-16be")), "xy")
}
s = "ab\0\ncd".force_encoding("utf-16be")
assert_raise(ArgumentError) {
s.gsub(Regexp.new(".".encode("utf-16be")), "xy")
}
end
def test_split_awk
s = " ab cd ".encode("utf-16be")
r = s.split(" ".encode("utf-16be"))
assert_equal(2, r.length)
assert_str_equal("ab".encode("utf-16be"), r[0])
assert_str_equal("cd".encode("utf-16be"), r[1])
end
def test_count
e = "abc".count("^b")
assert_equal(e, "abc".encode("utf-16be").count("^b".encode("utf-16be")))
assert_equal(e, "abc".encode("utf-16le").count("^b".encode("utf-16le")))
end
end
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