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require 'test/unit'
class TestEncodingConverter < Test::Unit::TestCase
def check_ec(edst, esrc, eres, dst, src, ec, off, len, flags=0)
res = ec.primitive_convert(src, dst, off, len, flags)
assert_equal([edst.dup.force_encoding("ASCII-8BIT"),
esrc.dup.force_encoding("ASCII-8BIT"),
eres],
[dst.dup.force_encoding("ASCII-8BIT"),
src.dup.force_encoding("ASCII-8BIT"),
res])
end
def assert_econv(converted, eres, obuf_bytesize, ec, consumed, rest, flags=0)
ec = Encoding::Converter.new(*ec) if Array === ec
i = consumed + rest
o = ""
ret = ec.primitive_convert(i, o, 0, obuf_bytesize, flags)
assert_equal([converted, eres, rest],
[o, ret, i])
end
def assert_errinfo(e_res, e_enc1, e_enc2, e_error_bytes, e_readagain_bytes, e_partial_input, ec)
assert_equal([e_res, e_enc1, e_enc2,
e_error_bytes && e_error_bytes.dup.force_encoding("ASCII-8BIT"),
e_readagain_bytes && e_readagain_bytes.dup.force_encoding("ASCII-8BIT"),
e_partial_input],
ec.primitive_errinfo)
end
def test_new
assert_kind_of(Encoding::Converter, Encoding::Converter.new("UTF-8", "EUC-JP"))
assert_kind_of(Encoding::Converter, Encoding::Converter.new(Encoding::UTF_8, Encoding::EUC_JP))
end
def test_new_fail
name1 = "encoding-which-is-not-exist-1"
name2 = "encoding-which-is-not-exist-2"
assert_raise(ArgumentError) {
Encoding::Converter.new(name1, name2)
}
encoding_list = Encoding.list.map {|e| e.name }
assert(!encoding_list.include?(name1))
assert(!encoding_list.include?(name2))
end
def test_get_encoding
ec = Encoding::Converter.new("UTF-8", "EUC-JP")
assert_equal(Encoding::UTF_8, ec.source_encoding)
assert_equal(Encoding::EUC_JP, ec.destination_encoding)
end
def test_result_encoding
ec = Encoding::Converter.new("UTF-8", "EUC-JP")
dst = "".force_encoding("ASCII-8BIT")
assert_equal(Encoding::ASCII_8BIT, dst.encoding)
ec.primitive_convert("\u{3042}", dst, nil, 10)
assert_equal(Encoding::EUC_JP, dst.encoding)
end
def test_output_region
ec = Encoding::Converter.new("UTF-8", "EUC-JP")
ec.primitive_convert(src="a", dst="b", nil, 1, Encoding::Converter::PARTIAL_INPUT)
assert_equal("ba", dst)
ec.primitive_convert(src="a", dst="b", 0, 1, Encoding::Converter::PARTIAL_INPUT)
assert_equal("a", dst)
ec.primitive_convert(src="a", dst="b", 1, 1, Encoding::Converter::PARTIAL_INPUT)
assert_equal("ba", dst)
assert_raise(ArgumentError) {
ec.primitive_convert(src="a", dst="b", 2, 1, Encoding::Converter::PARTIAL_INPUT)
}
assert_raise(ArgumentError) {
ec.primitive_convert(src="a", dst="b", -1, 1, Encoding::Converter::PARTIAL_INPUT)
}
assert_raise(ArgumentError) {
ec.primitive_convert(src="a", dst="b", 1, -1, Encoding::Converter::PARTIAL_INPUT)
}
end
def test_partial_input
ec = Encoding::Converter.new("UTF-8", "EUC-JP")
ret = ec.primitive_convert(src="", dst="", nil, 10, Encoding::Converter::PARTIAL_INPUT)
assert_equal(:source_buffer_empty, ret)
ret = ec.primitive_convert(src="", dst="", nil, 10)
assert_equal(:finished, ret)
end
def test_accumulate_dst1
ec = Encoding::Converter.new("UTF-8", "EUC-JP")
a = ["", "abc\u{3042}def", ec, nil, 1]
check_ec("a", "c\u{3042}def", :destination_buffer_full, *a)
check_ec("ab", "\u{3042}def", :destination_buffer_full, *a)
check_ec("abc", "def", :destination_buffer_full, *a)
check_ec("abc\xA4", "def", :destination_buffer_full, *a)
check_ec("abc\xA4\xA2", "ef", :destination_buffer_full, *a)
check_ec("abc\xA4\xA2d", "f", :destination_buffer_full, *a)
check_ec("abc\xA4\xA2de", "", :destination_buffer_full, *a)
check_ec("abc\xA4\xA2def", "", :finished, *a)
end
def test_accumulate_dst2
ec = Encoding::Converter.new("UTF-8", "EUC-JP")
a = ["", "abc\u{3042}def", ec, nil, 2]
check_ec("ab", "\u{3042}def", :destination_buffer_full, *a)
check_ec("abc\xA4", "def", :destination_buffer_full, *a)
check_ec("abc\xA4\xA2d", "f", :destination_buffer_full, *a)
check_ec("abc\xA4\xA2def", "", :finished, *a)
end
def test_eucjp_to_utf8
assert_econv("", :finished, 100, ["UTF-8", "EUC-JP"], "", "")
assert_econv("a", :finished, 100, ["UTF-8", "EUC-JP"], "a", "")
end
def test_iso2022jp
assert_econv("", :finished, 100, ["Shift_JIS", "ISO-2022-JP"], "", "")
end
def test_iso2022jp_encode
ec = Encoding::Converter.new("EUC-JP", "ISO-2022-JP")
a = ["", src="", ec, nil, 50, Encoding::Converter::PARTIAL_INPUT]
src << "a"; check_ec("a", "", :source_buffer_empty, *a)
src << "\xA2"; check_ec("a", "", :source_buffer_empty, *a)
src << "\xA4"; check_ec("a\e$B\"$", "", :source_buffer_empty, *a)
src << "\xA1"; check_ec("a\e$B\"$", "", :source_buffer_empty, *a)
src << "\xA2"; check_ec("a\e$B\"$!\"", "", :source_buffer_empty, *a)
src << "b"; check_ec("a\e$B\"$!\"\e(Bb", "", :source_buffer_empty, *a)
src << "\xA2\xA6"; check_ec("a\e$B\"$!\"\e(Bb\e$B\"&", "", :source_buffer_empty, *a)
a[-1] = 0; check_ec("a\e$B\"$!\"\e(Bb\e$B\"&\e(B", "", :finished, *a)
end
def test_iso2022jp_decode
ec = Encoding::Converter.new("ISO-2022-JP", "EUC-JP")
a = ["", src="", ec, nil, 50, Encoding::Converter::PARTIAL_INPUT]
src << "a"; check_ec("a", "", :source_buffer_empty, *a)
src << "\e"; check_ec("a", "", :source_buffer_empty, *a)
src << "$"; check_ec("a", "", :source_buffer_empty, *a)
src << "B"; check_ec("a", "", :source_buffer_empty, *a)
src << "\x21"; check_ec("a", "", :source_buffer_empty, *a)
src << "\x22"; check_ec("a\xA1\xA2", "", :source_buffer_empty, *a)
src << "\n"; check_ec("a\xA1\xA2", "", :invalid_byte_sequence, *a)
src << "\x23"; check_ec("a\xA1\xA2", "", :source_buffer_empty, *a)
src << "\x24"; check_ec("a\xA1\xA2\xA3\xA4", "", :source_buffer_empty, *a)
src << "\e"; check_ec("a\xA1\xA2\xA3\xA4", "", :source_buffer_empty, *a)
src << "("; check_ec("a\xA1\xA2\xA3\xA4", "", :source_buffer_empty, *a)
src << "B"; check_ec("a\xA1\xA2\xA3\xA4", "", :source_buffer_empty, *a)
src << "c"; check_ec("a\xA1\xA2\xA3\xA4c", "", :source_buffer_empty, *a)
src << "\n"; check_ec("a\xA1\xA2\xA3\xA4c\n","", :source_buffer_empty, *a)
end
def test_invalid
assert_econv("", :invalid_byte_sequence, 100, ["UTF-8", "EUC-JP"], "\x80", "")
assert_econv("a", :invalid_byte_sequence, 100, ["UTF-8", "EUC-JP"], "a\x80", "")
assert_econv("a", :invalid_byte_sequence, 100, ["UTF-8", "EUC-JP"], "a\x80", "\x80")
assert_econv("abc", :invalid_byte_sequence, 100, ["UTF-8", "EUC-JP"], "abc\xFF", "def")
assert_econv("abc", :invalid_byte_sequence, 100, ["Shift_JIS", "EUC-JP"], "abc\xFF", "def")
assert_econv("abc", :invalid_byte_sequence, 100, ["ISO-2022-JP", "EUC-JP"], "abc\xFF", "def")
end
def test_invalid2
ec = Encoding::Converter.new("Shift_JIS", "EUC-JP")
a = ["", "abc\xFFdef", ec, nil, 1]
check_ec("a", "c\xFFdef", :destination_buffer_full, *a)
check_ec("ab", "\xFFdef", :destination_buffer_full, *a)
check_ec("abc", "def", :invalid_byte_sequence, *a)
check_ec("abcd", "f", :destination_buffer_full, *a)
check_ec("abcde", "", :destination_buffer_full, *a)
check_ec("abcdef", "", :finished, *a)
end
def test_invalid3
ec = Encoding::Converter.new("Shift_JIS", "EUC-JP")
a = ["", "abc\xFFdef", ec, nil, 10]
check_ec("abc", "def", :invalid_byte_sequence, *a)
check_ec("abcdef", "", :finished, *a)
end
def test_invalid4
ec = Encoding::Converter.new("Shift_JIS", "EUC-JP")
a = ["", "abc\xFFdef", ec, nil, 10, Encoding::Converter::OUTPUT_FOLLOWED_BY_INPUT]
check_ec("a", "bc\xFFdef", :output_followed_by_input, *a)
check_ec("ab", "c\xFFdef", :output_followed_by_input, *a)
check_ec("abc", "\xFFdef", :output_followed_by_input, *a)
check_ec("abc", "def", :invalid_byte_sequence, *a)
check_ec("abcd", "ef", :output_followed_by_input, *a)
check_ec("abcde", "f", :output_followed_by_input, *a)
check_ec("abcdef", "", :output_followed_by_input, *a)
check_ec("abcdef", "", :finished, *a)
end
def test_invalid_utf16le
ec = Encoding::Converter.new("UTF-16LE", "UTF-8")
a = ["", src="", ec, nil, 50, Encoding::Converter::PARTIAL_INPUT]
src << "A"; check_ec("", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :source_buffer_empty, *a)
src << "\xd8"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x01"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x02"; check_ec("A", "", :invalid_byte_sequence, *a)
src << "\x03"; check_ec("A\u{0201}", "", :source_buffer_empty, *a)
src << "\x04"; check_ec("A\u{0201}\u{0403}", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A\u{0201}\u{0403}", "", :source_buffer_empty, *a)
src << "\xd8"; check_ec("A\u{0201}\u{0403}", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A\u{0201}\u{0403}", "", :source_buffer_empty, *a)
src << "\xd8"; check_ec("A\u{0201}\u{0403}", "", :invalid_byte_sequence, *a)
src << "\x00"; check_ec("A\u{0201}\u{0403}", "", :source_buffer_empty, *a)
src << "\xdc"; check_ec("A\u{0201}\u{0403}\u{10000}", "", :source_buffer_empty, *a)
end
def test_invalid_utf16be
ec = Encoding::Converter.new("UTF-16BE", "UTF-8")
a = ["", src="", ec, nil, 50, Encoding::Converter::PARTIAL_INPUT]
src << "\x00"; check_ec("", "", :source_buffer_empty, *a)
src << "A"; check_ec("A", "", :source_buffer_empty, *a)
src << "\xd8"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x02"; check_ec("A", "", :invalid_byte_sequence, *a)
src << "\x01"; check_ec("A\u{0201}", "", :source_buffer_empty, *a)
src << "\x04"; check_ec("A\u{0201}", "", :source_buffer_empty, *a)
src << "\x03"; check_ec("A\u{0201}\u{0403}", "", :source_buffer_empty, *a)
src << "\xd8"; check_ec("A\u{0201}\u{0403}", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A\u{0201}\u{0403}", "", :source_buffer_empty, *a)
src << "\xd8"; check_ec("A\u{0201}\u{0403}", "", :invalid_byte_sequence, *a)
src << "\x00"; check_ec("A\u{0201}\u{0403}", "", :source_buffer_empty, *a)
src << "\xdc"; check_ec("A\u{0201}\u{0403}", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A\u{0201}\u{0403}\u{10000}", "", :source_buffer_empty, *a)
end
def test_invalid_utf32be
ec = Encoding::Converter.new("UTF-32BE", "UTF-8")
a = ["", src="", ec, nil, 50, Encoding::Converter::PARTIAL_INPUT]
src << "\x00"; check_ec("", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("", "", :source_buffer_empty, *a)
src << "A"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :source_buffer_empty, *a)
src << "\xdc"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :invalid_byte_sequence, *a)
src << "\x00"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :source_buffer_empty, *a)
src << "B"; check_ec("AB", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("AB", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("AB", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("AB", "", :source_buffer_empty, *a)
src << "C"; check_ec("ABC", "", :source_buffer_empty, *a)
end
def test_invalid_utf32le
ec = Encoding::Converter.new("UTF-32LE", "UTF-8")
a = ["", src="", ec, nil, 50, Encoding::Converter::PARTIAL_INPUT]
src << "A"; check_ec("", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :source_buffer_empty, *a)
src << "\xdc"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :invalid_byte_sequence, *a)
src << "B"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("A", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("AB", "", :source_buffer_empty, *a)
src << "C"; check_ec("AB", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("AB", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("AB", "", :source_buffer_empty, *a)
src << "\x00"; check_ec("ABC", "", :source_buffer_empty, *a)
end
def test_errors
ec = Encoding::Converter.new("UTF-16BE", "EUC-JP")
a = ["", "\xFF\xFE\x00A\xDC\x00\x00B", ec, nil, 10]
check_ec("", "\x00A\xDC\x00\x00B", :undefined_conversion, *a)
check_ec("A", "\x00B", :invalid_byte_sequence, *a) # \xDC\x00 is invalid as UTF-16BE
check_ec("AB", "", :finished, *a)
end
def test_errors2
ec = Encoding::Converter.new("UTF-16BE", "EUC-JP")
a = ["", "\xFF\xFE\x00A\xDC\x00\x00B", ec, nil, 10, Encoding::Converter::OUTPUT_FOLLOWED_BY_INPUT]
check_ec("", "\x00A\xDC\x00\x00B", :undefined_conversion, *a)
check_ec("A", "\xDC\x00\x00B", :output_followed_by_input, *a)
check_ec("A", "\x00B", :invalid_byte_sequence, *a)
check_ec("AB", "", :output_followed_by_input, *a)
check_ec("AB", "", :finished, *a)
end
def test_universal_newline
ec = Encoding::Converter.new("UTF-8", "EUC-JP", Encoding::Converter::UNIVERSAL_NEWLINE_DECODER)
a = ["", src="", ec, nil, 50, Encoding::Converter::PARTIAL_INPUT]
src << "abc\r\ndef"; check_ec("abc\ndef", "", :source_buffer_empty, *a)
src << "ghi\njkl"; check_ec("abc\ndefghi\njkl", "", :source_buffer_empty, *a)
src << "mno\rpqr"; check_ec("abc\ndefghi\njklmno\npqr", "", :source_buffer_empty, *a)
src << "stu\r"; check_ec("abc\ndefghi\njklmno\npqrstu\n", "", :source_buffer_empty, *a)
src << "\nvwx"; check_ec("abc\ndefghi\njklmno\npqrstu\nvwx", "", :source_buffer_empty, *a)
src << "\nyz"; check_ec("abc\ndefghi\njklmno\npqrstu\nvwx\nyz", "", :source_buffer_empty, *a)
end
def test_crlf_newline
ec = Encoding::Converter.new("UTF-8", "EUC-JP", Encoding::Converter::CRLF_NEWLINE_ENCODER)
assert_econv("abc\r\ndef", :finished, 50, ec, "abc\ndef", "")
end
def test_cr_newline
ec = Encoding::Converter.new("UTF-8", "EUC-JP", Encoding::Converter::CR_NEWLINE_ENCODER)
assert_econv("abc\rdef", :finished, 50, ec, "abc\ndef", "")
end
def test_output_followed_by_input
ec = Encoding::Converter.new("UTF-8", "EUC-JP")
a = ["", "abc\u{3042}def", ec, nil, 100, Encoding::Converter::OUTPUT_FOLLOWED_BY_INPUT]
check_ec("a", "bc\u{3042}def", :output_followed_by_input, *a)
check_ec("ab", "c\u{3042}def", :output_followed_by_input, *a)
check_ec("abc", "\u{3042}def", :output_followed_by_input, *a)
check_ec("abc\xA4\xA2", "def", :output_followed_by_input, *a)
check_ec("abc\xA4\xA2d", "ef", :output_followed_by_input, *a)
check_ec("abc\xA4\xA2de", "f", :output_followed_by_input, *a)
check_ec("abc\xA4\xA2def", "", :output_followed_by_input, *a)
check_ec("abc\xA4\xA2def", "", :finished, *a)
end
def test_errinfo_invalid_euc_jp
ec = Encoding::Converter.new("EUC-JP", "Shift_JIS")
ec.primitive_convert(src="\xff", dst="", nil, 10)
assert_errinfo(:invalid_byte_sequence, "EUC-JP", "UTF-8", "\xFF", "", nil, ec)
end
def test_errinfo_undefined_hiragana
ec = Encoding::Converter.new("EUC-JP", "ISO-8859-1")
ec.primitive_convert(src="\xa4\xa2", dst="", nil, 10)
assert_errinfo(:undefined_conversion, "UTF-8", "ISO-8859-1", "\xE3\x81\x82", "", nil, ec)
end
def test_errinfo_invalid_partial_character
ec = Encoding::Converter.new("EUC-JP", "ISO-8859-1")
ec.primitive_convert(src="\xa4", dst="", nil, 10)
assert_errinfo(:invalid_byte_sequence, "EUC-JP", "UTF-8", "\xA4", "", nil, ec)
end
def test_errinfo_valid_partial_character
ec = Encoding::Converter.new("EUC-JP", "ISO-8859-1")
ec.primitive_convert(src="\xa4", dst="", nil, 10, Encoding::Converter::PARTIAL_INPUT)
assert_errinfo(:source_buffer_empty, nil, nil, nil, nil, :partial_input, ec)
end
def test_errinfo_invalid_utf16be
ec = Encoding::Converter.new("UTF-16BE", "UTF-8")
ec.primitive_convert(src="\xd8\x00\x00@", dst="", nil, 10)
assert_errinfo(:invalid_byte_sequence, "UTF-16BE", "UTF-8", "\xD8\x00", "\x00", nil, ec)
assert_equal("@", src)
end
def test_errinfo_invalid_utf16le
ec = Encoding::Converter.new("UTF-16LE", "UTF-8")
ec.primitive_convert(src="\x00\xd8@\x00", dst="", nil, 10)
assert_errinfo(:invalid_byte_sequence, "UTF-16LE", "UTF-8", "\x00\xD8", "@\x00", nil, ec)
assert_equal("", src)
end
end
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