Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / devtools / amd64 / lib / python2.4 / test / test_codecs.py

from test import test_support
import unittest
import codecs
import sys, StringIO

class Queue(object):
   """
   queue: write bytes at one end, read bytes from the other end
   """
   def __init__(self):
       self._buffer = ""

   def write(self, chars):
       self._buffer += chars

   def read(self, size=-1):
       if size<0:
           s = self._buffer
           self._buffer = ""
           return s
       else:
           s = self._buffer[:size]
           self._buffer = self._buffer[size:]
           return s

class ReadTest(unittest.TestCase):
   def test_seek(self):
       # all codecs should be able to encode these
       s = u"%s\n%s\n" % (100*u"abc123", 100*u"def456")
       encoding = self.encoding
       reader = codecs.getreader(encoding)(StringIO.StringIO(s.encode(encoding)))
       for t in xrange(5):
           # Test that calling seek resets the internal codec state and buffers
           reader.seek(0, 0)
           line = reader.readline()
           self.assertEqual(s[:len(line)], line)

   def check_partial(self, input, partialresults):
       # get a StreamReader for the encoding and feed the bytestring version
       # of input to the reader byte by byte. Read every available from
       # the StreamReader and check that the results equal the appropriate
       # entries from partialresults.
       q = Queue()
       r = codecs.getreader(self.encoding)(q)
       result = u""
       for (c, partialresult) in zip(input.encode(self.encoding), partialresults):
           q.write(c)
           result += r.read()
           self.assertEqual(result, partialresult)
       # check that there's nothing left in the buffers
       self.assertEqual(r.read(), u"")
       self.assertEqual(r.bytebuffer, "")
       self.assertEqual(r.charbuffer, u"")

   def test_readline(self):
       def getreader(input):
           stream = StringIO.StringIO(input.encode(self.encoding))
           return codecs.getreader(self.encoding)(stream)

       def readalllines(input, keepends=True):
           reader = getreader(input)
           lines = []
           while True:
               line = reader.readline(keepends=keepends)
               if not line:
                   break
               lines.append(line)
           return "".join(lines)

       s = u"foo\nbar\r\nbaz\rspam\u2028eggs"
       self.assertEqual(readalllines(s, True), s)
       self.assertEqual(readalllines(s, False), u"foobarbazspameggs")

       # Test long lines (multiple calls to read() in readline())
       vw = []
       vwo = []
       for (i, lineend) in enumerate(u"\n \r\n \r \u2028".split()):
           vw.append((i*200)*u"\3042" + lineend)
           vwo.append((i*200)*u"\3042")
       self.assertEqual(readalllines("".join(vw), True), "".join(vw))
       self.assertEqual(readalllines("".join(vw), False),"".join(vwo))

       # Test lines where the first read might end with \r, so the
       # reader has to look ahead whether this is a lone \r or a \r\n
       for size in xrange(80):
           for lineend in u"\n \r\n \r \u2028".split():
               s = 10*(size*u"a" + lineend + u"xxx\n")
               reader = getreader(s)
               for i in xrange(10):
                   self.assertEqual(
                       reader.readline(keepends=True),
                       size*u"a" + lineend,
                   )
               reader = getreader(s)
               for i in xrange(10):
                   self.assertEqual(
                       reader.readline(keepends=False),
                       size*u"a",
                   )

   def test_bug1175396(self):
       s = [
           '<%!--===================================================\r\n',
           '    BLOG index page: show recent articles,\r\n',
           '    today\'s articles, or articles of a specific date.\r\n',
           '========================================================--%>\r\n',
           '<%@inputencoding="ISO-8859-1"%>\r\n',
           '<%@pagetemplate=TEMPLATE.y%>\r\n',
           '<%@import=import frog.util, frog%>\r\n',
           '<%@import=import frog.objects%>\r\n',
           '<%@import=from frog.storageerrors import StorageError%>\r\n',
           '<%\r\n',
           '\r\n',
           'import logging\r\n',
           'log=logging.getLogger("Snakelets.logger")\r\n',
           '\r\n',
           '\r\n',
           'user=self.SessionCtx.user\r\n',
           'storageEngine=self.SessionCtx.storageEngine\r\n',
           '\r\n',
           '\r\n',
           'def readArticlesFromDate(date, count=None):\r\n',
           '    entryids=storageEngine.listBlogEntries(date)\r\n',
           '    entryids.reverse() # descending\r\n',
           '    if count:\r\n',
           '        entryids=entryids[:count]\r\n',
           '    try:\r\n',
           '        return [ frog.objects.BlogEntry.load(storageEngine, date, Id) for Id in entryids ]\r\n',
           '    except StorageError,x:\r\n',
           '        log.error("Error loading articles: "+str(x))\r\n',
           '        self.abort("cannot load articles")\r\n',
           '\r\n',
           'showdate=None\r\n',
           '\r\n',
           'arg=self.Request.getArg()\r\n',
           'if arg=="today":\r\n',
           '    #-------------------- TODAY\'S ARTICLES\r\n',
           '    self.write("<h2>Today\'s articles</h2>")\r\n',
           '    showdate = frog.util.isodatestr() \r\n',
           '    entries = readArticlesFromDate(showdate)\r\n',
           'elif arg=="active":\r\n',
           '    #-------------------- ACTIVE ARTICLES redirect\r\n',
           '    self.Yredirect("active.y")\r\n',
           'elif arg=="login":\r\n',
           '    #-------------------- LOGIN PAGE redirect\r\n',
           '    self.Yredirect("login.y")\r\n',
           'elif arg=="date":\r\n',
           '    #-------------------- ARTICLES OF A SPECIFIC DATE\r\n',
           '    showdate = self.Request.getParameter("date")\r\n',
           '    self.write("<h2>Articles written on %s</h2>"% frog.util.mediumdatestr(showdate))\r\n',
           '    entries = readArticlesFromDate(showdate)\r\n',
           'else:\r\n',
           '    #-------------------- RECENT ARTICLES\r\n',
           '    self.write("<h2>Recent articles</h2>")\r\n',
           '    dates=storageEngine.listBlogEntryDates()\r\n',
           '    if dates:\r\n',
           '        entries=[]\r\n',
           '        SHOWAMOUNT=10\r\n',
           '        for showdate in dates:\r\n',
           '            entries.extend( readArticlesFromDate(showdate, SHOWAMOUNT-len(entries)) )\r\n',
           '            if len(entries)>=SHOWAMOUNT:\r\n',
           '                break\r\n',
           '                \r\n',
       ]
       stream = StringIO.StringIO("".join(s).encode(self.encoding))
       reader = codecs.getreader(self.encoding)(stream)
       for (i, line) in enumerate(reader):
           self.assertEqual(line, s[i])

   def test_readlinequeue(self):
       q = Queue()
       writer = codecs.getwriter(self.encoding)(q)
       reader = codecs.getreader(self.encoding)(q)

       # No lineends
       writer.write(u"foo\r")
       self.assertEqual(reader.readline(keepends=False), u"foo")
       writer.write(u"\nbar\r")
       self.assertEqual(reader.readline(keepends=False), u"")
       self.assertEqual(reader.readline(keepends=False), u"bar")
       writer.write(u"baz")
       self.assertEqual(reader.readline(keepends=False), u"baz")
       self.assertEqual(reader.readline(keepends=False), u"")

       # Lineends
       writer.write(u"foo\r")
       self.assertEqual(reader.readline(keepends=True), u"foo\r")
       writer.write(u"\nbar\r")
       self.assertEqual(reader.readline(keepends=True), u"\n")
       self.assertEqual(reader.readline(keepends=True), u"bar\r")
       writer.write(u"baz")
       self.assertEqual(reader.readline(keepends=True), u"baz")
       self.assertEqual(reader.readline(keepends=True), u"")
       writer.write(u"foo\r\n")
       self.assertEqual(reader.readline(keepends=True), u"foo\r\n")

   def test_bug1098990_a(self):
       s1 = u"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy\r\n"
       s2 = u"offending line: ladfj askldfj klasdj fskla dfzaskdj fasklfj laskd fjasklfzzzzaa%whereisthis!!!\r\n"
       s3 = u"next line.\r\n"

       s = (s1+s2+s3).encode(self.encoding)
       stream = StringIO.StringIO(s)
       reader = codecs.getreader(self.encoding)(stream)
       self.assertEqual(reader.readline(), s1)
       self.assertEqual(reader.readline(), s2)
       self.assertEqual(reader.readline(), s3)
       self.assertEqual(reader.readline(), u"")

   def test_bug1098990_b(self):
       s1 = u"aaaaaaaaaaaaaaaaaaaaaaaa\r\n"
       s2 = u"bbbbbbbbbbbbbbbbbbbbbbbb\r\n"
       s3 = u"stillokay:bbbbxx\r\n"
       s4 = u"broken!!!!badbad\r\n"
       s5 = u"againokay.\r\n"

       s = (s1+s2+s3+s4+s5).encode(self.encoding)
       stream = StringIO.StringIO(s)
       reader = codecs.getreader(self.encoding)(stream)
       self.assertEqual(reader.readline(), s1)
       self.assertEqual(reader.readline(), s2)
       self.assertEqual(reader.readline(), s3)
       self.assertEqual(reader.readline(), s4)
       self.assertEqual(reader.readline(), s5)
       self.assertEqual(reader.readline(), u"")

class UTF16Test(ReadTest):
   encoding = "utf-16"

   spamle = '\xff\xfes\x00p\x00a\x00m\x00s\x00p\x00a\x00m\x00'
   spambe = '\xfe\xff\x00s\x00p\x00a\x00m\x00s\x00p\x00a\x00m'

   def test_only_one_bom(self):
       _,_,reader,writer = codecs.lookup(self.encoding)
       # encode some stream
       s = StringIO.StringIO()
       f = writer(s)
       f.write(u"spam")
       f.write(u"spam")
       d = s.getvalue()
       # check whether there is exactly one BOM in it
       self.assert_(d == self.spamle or d == self.spambe)
       # try to read it back
       s = StringIO.StringIO(d)
       f = reader(s)
       self.assertEquals(f.read(), u"spamspam")

   def test_partial(self):
       self.check_partial(
           u"\x00\xff\u0100\uffff",
           [
               u"", # first byte of BOM read
               u"", # second byte of BOM read => byteorder known
               u"",
               u"\x00",
               u"\x00",
               u"\x00\xff",
               u"\x00\xff",
               u"\x00\xff\u0100",
               u"\x00\xff\u0100",
               u"\x00\xff\u0100\uffff",
           ]
       )

class UTF16LETest(ReadTest):
   encoding = "utf-16-le"

   def test_partial(self):
       self.check_partial(
           u"\x00\xff\u0100\uffff",
           [
               u"",
               u"\x00",
               u"\x00",
               u"\x00\xff",
               u"\x00\xff",
               u"\x00\xff\u0100",
               u"\x00\xff\u0100",
               u"\x00\xff\u0100\uffff",
           ]
       )

class UTF16BETest(ReadTest):
   encoding = "utf-16-be"

   def test_partial(self):
       self.check_partial(
           u"\x00\xff\u0100\uffff",
           [
               u"",
               u"\x00",
               u"\x00",
               u"\x00\xff",
               u"\x00\xff",
               u"\x00\xff\u0100",
               u"\x00\xff\u0100",
               u"\x00\xff\u0100\uffff",
           ]
       )

class UTF8Test(ReadTest):
   encoding = "utf-8"

   def test_partial(self):
       self.check_partial(
           u"\x00\xff\u07ff\u0800\uffff",
           [
               u"\x00",
               u"\x00",
               u"\x00\xff",
               u"\x00\xff",
               u"\x00\xff\u07ff",
               u"\x00\xff\u07ff",
               u"\x00\xff\u07ff",
               u"\x00\xff\u07ff\u0800",
               u"\x00\xff\u07ff\u0800",
               u"\x00\xff\u07ff\u0800",
               u"\x00\xff\u07ff\u0800\uffff",
           ]
       )

class EscapeDecodeTest(unittest.TestCase):
   def test_empty_escape_decode(self):
       self.assertEquals(codecs.escape_decode(""), ("", 0))

class RecodingTest(unittest.TestCase):
   def test_recoding(self):
       f = StringIO.StringIO()
       f2 = codecs.EncodedFile(f, "unicode_internal", "utf-8")
       f2.write(u"a")
       f2.close()
       # Python used to crash on this at exit because of a refcount
       # bug in _codecsmodule.c

# From RFC 3492
punycode_testcases = [
   # A Arabic (Egyptian):
   (u"\u0644\u064A\u0647\u0645\u0627\u0628\u062A\u0643\u0644"
    u"\u0645\u0648\u0634\u0639\u0631\u0628\u064A\u061F",
    "egbpdaj6bu4bxfgehfvwxn"),
   # B Chinese (simplified):
   (u"\u4ED6\u4EEC\u4E3A\u4EC0\u4E48\u4E0D\u8BF4\u4E2D\u6587",
    "ihqwcrb4cv8a8dqg056pqjye"),
   # C Chinese (traditional):
   (u"\u4ED6\u5011\u7232\u4EC0\u9EBD\u4E0D\u8AAA\u4E2D\u6587",
    "ihqwctvzc91f659drss3x8bo0yb"),
   # D Czech: Pro<ccaron>prost<ecaron>nemluv<iacute><ccaron>esky
   (u"\u0050\u0072\u006F\u010D\u0070\u0072\u006F\u0073\u0074"
    u"\u011B\u006E\u0065\u006D\u006C\u0075\u0076\u00ED\u010D"
    u"\u0065\u0073\u006B\u0079",
    "Proprostnemluvesky-uyb24dma41a"),
   # E Hebrew:
   (u"\u05DC\u05DE\u05D4\u05D4\u05DD\u05E4\u05E9\u05D5\u05D8"
    u"\u05DC\u05D0\u05DE\u05D3\u05D1\u05E8\u05D9\u05DD\u05E2"
    u"\u05D1\u05E8\u05D9\u05EA",
    "4dbcagdahymbxekheh6e0a7fei0b"),
   # F Hindi (Devanagari):
   (u"\u092F\u0939\u0932\u094B\u0917\u0939\u093F\u0928\u094D"
   u"\u0926\u0940\u0915\u094D\u092F\u094B\u0902\u0928\u0939"
   u"\u0940\u0902\u092C\u094B\u0932\u0938\u0915\u0924\u0947"
   u"\u0939\u0948\u0902",
   "i1baa7eci9glrd9b2ae1bj0hfcgg6iyaf8o0a1dig0cd"),

   #(G) Japanese (kanji and hiragana):
   (u"\u306A\u305C\u307F\u3093\u306A\u65E5\u672C\u8A9E\u3092"
   u"\u8A71\u3057\u3066\u304F\u308C\u306A\u3044\u306E\u304B",
    "n8jok5ay5dzabd5bym9f0cm5685rrjetr6pdxa"),

   # (H) Korean (Hangul syllables):
   (u"\uC138\uACC4\uC758\uBAA8\uB4E0\uC0AC\uB78C\uB4E4\uC774"
    u"\uD55C\uAD6D\uC5B4\uB97C\uC774\uD574\uD55C\uB2E4\uBA74"
    u"\uC5BC\uB9C8\uB098\uC88B\uC744\uAE4C",
    "989aomsvi5e83db1d2a355cv1e0vak1dwrv93d5xbh15a0dt30a5j"
    "psd879ccm6fea98c"),

   # (I) Russian (Cyrillic):
   (u"\u043F\u043E\u0447\u0435\u043C\u0443\u0436\u0435\u043E"
    u"\u043D\u0438\u043D\u0435\u0433\u043E\u0432\u043E\u0440"
    u"\u044F\u0442\u043F\u043E\u0440\u0443\u0441\u0441\u043A"
    u"\u0438",
    "b1abfaaepdrnnbgefbaDotcwatmq2g4l"),

   # (J) Spanish: Porqu<eacute>nopuedensimplementehablarenEspa<ntilde>ol
   (u"\u0050\u006F\u0072\u0071\u0075\u00E9\u006E\u006F\u0070"
    u"\u0075\u0065\u0064\u0065\u006E\u0073\u0069\u006D\u0070"
    u"\u006C\u0065\u006D\u0065\u006E\u0074\u0065\u0068\u0061"
    u"\u0062\u006C\u0061\u0072\u0065\u006E\u0045\u0073\u0070"
    u"\u0061\u00F1\u006F\u006C",
    "PorqunopuedensimplementehablarenEspaol-fmd56a"),

   # (K) Vietnamese:
   #  T<adotbelow>isaoh<odotbelow>kh<ocirc>ngth<ecirchookabove>ch\
   #   <ihookabove>n<oacute>iti<ecircacute>ngVi<ecircdotbelow>t
   (u"\u0054\u1EA1\u0069\u0073\u0061\u006F\u0068\u1ECD\u006B"
    u"\u0068\u00F4\u006E\u0067\u0074\u0068\u1EC3\u0063\u0068"
    u"\u1EC9\u006E\u00F3\u0069\u0074\u0069\u1EBF\u006E\u0067"
    u"\u0056\u0069\u1EC7\u0074",
    "TisaohkhngthchnitingVit-kjcr8268qyxafd2f1b9g"),


   #(L) 3<nen>B<gumi><kinpachi><sensei>
   (u"\u0033\u5E74\u0042\u7D44\u91D1\u516B\u5148\u751F",
    "3B-ww4c5e180e575a65lsy2b"),

   # (M) <amuro><namie>-with-SUPER-MONKEYS
   (u"\u5B89\u5BA4\u5948\u7F8E\u6075\u002D\u0077\u0069\u0074"
    u"\u0068\u002D\u0053\u0055\u0050\u0045\u0052\u002D\u004D"
    u"\u004F\u004E\u004B\u0045\u0059\u0053",
    "-with-SUPER-MONKEYS-pc58ag80a8qai00g7n9n"),

   # (N) Hello-Another-Way-<sorezore><no><basho>
   (u"\u0048\u0065\u006C\u006C\u006F\u002D\u0041\u006E\u006F"
    u"\u0074\u0068\u0065\u0072\u002D\u0057\u0061\u0079\u002D"
    u"\u305D\u308C\u305E\u308C\u306E\u5834\u6240",
    "Hello-Another-Way--fc4qua05auwb3674vfr0b"),

   # (O) <hitotsu><yane><no><shita>2
   (u"\u3072\u3068\u3064\u5C4B\u6839\u306E\u4E0B\u0032",
    "2-u9tlzr9756bt3uc0v"),

   # (P) Maji<de>Koi<suru>5<byou><mae>
   (u"\u004D\u0061\u006A\u0069\u3067\u004B\u006F\u0069\u3059"
    u"\u308B\u0035\u79D2\u524D",
    "MajiKoi5-783gue6qz075azm5e"),

    # (Q) <pafii>de<runba>
   (u"\u30D1\u30D5\u30A3\u30FC\u0064\u0065\u30EB\u30F3\u30D0",
    "de-jg4avhby1noc0d"),

   # (R) <sono><supiido><de>
   (u"\u305D\u306E\u30B9\u30D4\u30FC\u30C9\u3067",
    "d9juau41awczczp"),

   # (S) -> $1.00 <-
   (u"\u002D\u003E\u0020\u0024\u0031\u002E\u0030\u0030\u0020"
    u"\u003C\u002D",
    "-> $1.00 <--")
   ]

for i in punycode_testcases:
   if len(i)!=2:
       print repr(i)

class PunycodeTest(unittest.TestCase):
   def test_encode(self):
       for uni, puny in punycode_testcases:
           # Need to convert both strings to lower case, since
           # some of the extended encodings use upper case, but our
           # code produces only lower case. Converting just puny to
           # lower is also insufficient, since some of the input characters
           # are upper case.
           self.assertEquals(uni.encode("punycode").lower(), puny.lower())

   def test_decode(self):
       for uni, puny in punycode_testcases:
           self.assertEquals(uni, puny.decode("punycode"))

class UnicodeInternalTest(unittest.TestCase):
   def test_bug1251300(self):
       # Decoding with unicode_internal used to not correctly handle "code
       # points" above 0x10ffff on UCS-4 builds.
       if sys.maxunicode > 0xffff:
           ok = [
               ("\x00\x10\xff\xff", u"\U0010ffff"),
               ("\x00\x00\x01\x01", u"\U00000101"),
               ("", u""),
           ]
           not_ok = [
               "\x7f\xff\xff\xff",
               "\x80\x00\x00\x00",
               "\x81\x00\x00\x00",
               "\x00",
               "\x00\x00\x00\x00\x00",
           ]
           for internal, uni in ok:
               if sys.byteorder == "little":
                   internal = "".join(reversed(internal))
               self.assertEquals(uni, internal.decode("unicode_internal"))
           for internal in not_ok:
               if sys.byteorder == "little":
                   internal = "".join(reversed(internal))
               self.assertRaises(UnicodeDecodeError, internal.decode,
                   "unicode_internal")

   def test_decode_error_attributes(self):
       if sys.maxunicode > 0xffff:
           try:
               "\x00\x00\x00\x00\x00\x11\x11\x00".decode("unicode_internal")
           except UnicodeDecodeError, ex:
               self.assertEquals("unicode_internal", ex.encoding)
               self.assertEquals("\x00\x00\x00\x00\x00\x11\x11\x00", ex.object)
               self.assertEquals(4, ex.start)
               self.assertEquals(8, ex.end)
           else:
               self.fail()

   def test_decode_callback(self):
       if sys.maxunicode > 0xffff:
           codecs.register_error("UnicodeInternalTest", codecs.ignore_errors)
           decoder = codecs.getdecoder("unicode_internal")
           ab = u"ab".encode("unicode_internal")
           ignored = decoder("%s\x22\x22\x22\x22%s" % (ab[:4], ab[4:]),
               "UnicodeInternalTest")
           self.assertEquals((u"ab", 12), ignored)

# From http://www.gnu.org/software/libidn/draft-josefsson-idn-test-vectors.html
nameprep_tests = [
   # 3.1 Map to nothing.
   ('foo\xc2\xad\xcd\x8f\xe1\xa0\x86\xe1\xa0\x8bbar'
    '\xe2\x80\x8b\xe2\x81\xa0baz\xef\xb8\x80\xef\xb8\x88\xef'
    '\xb8\x8f\xef\xbb\xbf',
    'foobarbaz'),
   # 3.2 Case folding ASCII U+0043 U+0041 U+0046 U+0045.
   ('CAFE',
    'cafe'),
   # 3.3 Case folding 8bit U+00DF (german sharp s).
   # The original test case is bogus; it says \xc3\xdf
   ('\xc3\x9f',
    'ss'),
   # 3.4 Case folding U+0130 (turkish capital I with dot).
   ('\xc4\xb0',
    'i\xcc\x87'),
   # 3.5 Case folding multibyte U+0143 U+037A.
   ('\xc5\x83\xcd\xba',
    '\xc5\x84 \xce\xb9'),
   # 3.6 Case folding U+2121 U+33C6 U+1D7BB.
   # XXX: skip this as it fails in UCS-2 mode
   #('\xe2\x84\xa1\xe3\x8f\x86\xf0\x9d\x9e\xbb',
   # 'telc\xe2\x88\x95kg\xcf\x83'),
   (None, None),
   # 3.7 Normalization of U+006a U+030c U+00A0 U+00AA.
   ('j\xcc\x8c\xc2\xa0\xc2\xaa',
    '\xc7\xb0 a'),
   # 3.8 Case folding U+1FB7 and normalization.
   ('\xe1\xbe\xb7',
    '\xe1\xbe\xb6\xce\xb9'),
   # 3.9 Self-reverting case folding U+01F0 and normalization.
   # The original test case is bogus, it says `\xc7\xf0'
   ('\xc7\xb0',
    '\xc7\xb0'),
   # 3.10 Self-reverting case folding U+0390 and normalization.
   ('\xce\x90',
    '\xce\x90'),
   # 3.11 Self-reverting case folding U+03B0 and normalization.
   ('\xce\xb0',
    '\xce\xb0'),
   # 3.12 Self-reverting case folding U+1E96 and normalization.
   ('\xe1\xba\x96',
    '\xe1\xba\x96'),
   # 3.13 Self-reverting case folding U+1F56 and normalization.
   ('\xe1\xbd\x96',
    '\xe1\xbd\x96'),
   # 3.14 ASCII space character U+0020.
   (' ',
    ' '),
   # 3.15 Non-ASCII 8bit space character U+00A0.
   ('\xc2\xa0',
    ' '),
   # 3.16 Non-ASCII multibyte space character U+1680.
   ('\xe1\x9a\x80',
    None),
   # 3.17 Non-ASCII multibyte space character U+2000.
   ('\xe2\x80\x80',
    ' '),
   # 3.18 Zero Width Space U+200b.
   ('\xe2\x80\x8b',
    ''),
   # 3.19 Non-ASCII multibyte space character U+3000.
   ('\xe3\x80\x80',
    ' '),
   # 3.20 ASCII control characters U+0010 U+007F.
   ('\x10\x7f',
    '\x10\x7f'),
   # 3.21 Non-ASCII 8bit control character U+0085.
   ('\xc2\x85',
    None),
   # 3.22 Non-ASCII multibyte control character U+180E.
   ('\xe1\xa0\x8e',
    None),
   # 3.23 Zero Width No-Break Space U+FEFF.
   ('\xef\xbb\xbf',
    ''),
   # 3.24 Non-ASCII control character U+1D175.
   ('\xf0\x9d\x85\xb5',
    None),
   # 3.25 Plane 0 private use character U+F123.
   ('\xef\x84\xa3',
    None),
   # 3.26 Plane 15 private use character U+F1234.
   ('\xf3\xb1\x88\xb4',
    None),
   # 3.27 Plane 16 private use character U+10F234.
   ('\xf4\x8f\x88\xb4',
    None),
   # 3.28 Non-character code point U+8FFFE.
   ('\xf2\x8f\xbf\xbe',
    None),
   # 3.29 Non-character code point U+10FFFF.
   ('\xf4\x8f\xbf\xbf',
    None),
   # 3.30 Surrogate code U+DF42.
   ('\xed\xbd\x82',
    None),
   # 3.31 Non-plain text character U+FFFD.
   ('\xef\xbf\xbd',
    None),
   # 3.32 Ideographic description character U+2FF5.
   ('\xe2\xbf\xb5',
    None),
   # 3.33 Display property character U+0341.
   ('\xcd\x81',
    '\xcc\x81'),
   # 3.34 Left-to-right mark U+200E.
   ('\xe2\x80\x8e',
    None),
   # 3.35 Deprecated U+202A.
   ('\xe2\x80\xaa',
    None),
   # 3.36 Language tagging character U+E0001.
   ('\xf3\xa0\x80\x81',
    None),
   # 3.37 Language tagging character U+E0042.
   ('\xf3\xa0\x81\x82',
    None),
   # 3.38 Bidi: RandALCat character U+05BE and LCat characters.
   ('foo\xd6\xbebar',
    None),
   # 3.39 Bidi: RandALCat character U+FD50 and LCat characters.
   ('foo\xef\xb5\x90bar',
    None),
   # 3.40 Bidi: RandALCat character U+FB38 and LCat characters.
   ('foo\xef\xb9\xb6bar',
    'foo \xd9\x8ebar'),
   # 3.41 Bidi: RandALCat without trailing RandALCat U+0627 U+0031.
   ('\xd8\xa71',
    None),
   # 3.42 Bidi: RandALCat character U+0627 U+0031 U+0628.
   ('\xd8\xa71\xd8\xa8',
    '\xd8\xa71\xd8\xa8'),
   # 3.43 Unassigned code point U+E0002.
   # Skip this test as we allow unassigned
   #('\xf3\xa0\x80\x82',
   # None),
   (None, None),
   # 3.44 Larger test (shrinking).
   # Original test case reads \xc3\xdf
   ('X\xc2\xad\xc3\x9f\xc4\xb0\xe2\x84\xa1j\xcc\x8c\xc2\xa0\xc2'
    '\xaa\xce\xb0\xe2\x80\x80',
    'xssi\xcc\x87tel\xc7\xb0 a\xce\xb0 '),
   # 3.45 Larger test (expanding).
   # Original test case reads \xc3\x9f
   ('X\xc3\x9f\xe3\x8c\x96\xc4\xb0\xe2\x84\xa1\xe2\x92\x9f\xe3\x8c'
    '\x80',
    'xss\xe3\x82\xad\xe3\x83\xad\xe3\x83\xa1\xe3\x83\xbc\xe3'
    '\x83\x88\xe3\x83\xabi\xcc\x87tel\x28d\x29\xe3\x82'
    '\xa2\xe3\x83\x91\xe3\x83\xbc\xe3\x83\x88')
   ]


class NameprepTest(unittest.TestCase):
   def test_nameprep(self):
       from encodings.idna import nameprep
       for pos, (orig, prepped) in enumerate(nameprep_tests):
           if orig is None:
               # Skipped
               continue
           # The Unicode strings are given in UTF-8
           orig = unicode(orig, "utf-8")
           if prepped is None:
               # Input contains prohibited characters
               self.assertRaises(UnicodeError, nameprep, orig)
           else:
               prepped = unicode(prepped, "utf-8")
               try:
                   self.assertEquals(nameprep(orig), prepped)
               except Exception,e:
                   raise test_support.TestFailed("Test 3.%d: %s" % (pos+1, str(e)))

class CodecTest(unittest.TestCase):
   def test_builtin(self):
       self.assertEquals(unicode("python.org", "idna"), u"python.org")

   def test_stream(self):
       import StringIO
       r = codecs.getreader("idna")(StringIO.StringIO("abc"))
       r.read(3)
       self.assertEquals(r.read(), u"")

class CodecsModuleTest(unittest.TestCase):

   def test_decode(self):
       self.assertEquals(codecs.decode('\xe4\xf6\xfc', 'latin-1'),
                         u'\xe4\xf6\xfc')
       self.assertRaises(TypeError, codecs.decode)
       self.assertEquals(codecs.decode('abc'), u'abc')
       self.assertRaises(UnicodeDecodeError, codecs.decode, '\xff', 'ascii')

   def test_encode(self):
       self.assertEquals(codecs.encode(u'\xe4\xf6\xfc', 'latin-1'),
                         '\xe4\xf6\xfc')
       self.assertRaises(TypeError, codecs.encode)
       self.assertEquals(codecs.encode(u'abc'), 'abc')
       self.assertRaises(UnicodeEncodeError, codecs.encode, u'\xffff', 'ascii')

   def test_register(self):
       self.assertRaises(TypeError, codecs.register)

   def test_lookup(self):
       self.assertRaises(TypeError, codecs.lookup)
       self.assertRaises(LookupError, codecs.lookup, "__spam__")

class StreamReaderTest(unittest.TestCase):

   def setUp(self):
       self.reader = codecs.getreader('utf-8')
       self.stream = StringIO.StringIO('\xed\x95\x9c\n\xea\xb8\x80')

   def test_readlines(self):
       f = self.reader(self.stream)
       self.assertEquals(f.readlines(), [u'\ud55c\n', u'\uae00'])

class Str2StrTest(unittest.TestCase):

   def test_read(self):
       sin = "\x80".encode("base64_codec")
       reader = codecs.getreader("base64_codec")(StringIO.StringIO(sin))
       sout = reader.read()
       self.assertEqual(sout, "\x80")
       self.assert_(isinstance(sout, str))

   def test_readline(self):
       sin = "\x80".encode("base64_codec")
       reader = codecs.getreader("base64_codec")(StringIO.StringIO(sin))
       sout = reader.readline()
       self.assertEqual(sout, "\x80")
       self.assert_(isinstance(sout, str))

def test_main():
   test_support.run_unittest(
       UTF16Test,
       UTF16LETest,
       UTF16BETest,
       UTF8Test,
       EscapeDecodeTest,
       RecodingTest,
       PunycodeTest,
       UnicodeInternalTest,
       NameprepTest,
       CodecTest,
       CodecsModuleTest,
       StreamReaderTest,
       Str2StrTest
   )


if __name__ == "__main__":
   test_main()