text: """ Test script for the unicodedata module.
  
      Written by Marc-Andre Lemburg (mal@lemburg.com).
  
      (c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
  
  """
  
  import sys
  import unittest
  import hashlib
  import subprocess
  import test.support
  
  encoding = 'utf-8'
  errors = 'surrogatepass'
  
  
  ### Run tests
  
  class UnicodeMethodsTest(unittest.TestCase):
  
      # update this, if the database changes
      expectedchecksum = 'bf7a78f1a532421b5033600102e23a92044dbba9'
  
      def test_method_checksum(self):
          h = hashlib.sha1()
          for i in range(0x10000):
              char = chr(i)
              data = [
                  # Predicates (single char)
                  "01"[char.isalnum()],
                  "01"[char.isalpha()],
                  "01"[char.isdecimal()],
                  "01"[char.isdigit()],
                  "01"[char.islower()],
                  "01"[char.isnumeric()],
                  "01"[char.isspace()],
                  "01"[char.istitle()],
                  "01"[char.isupper()],
  
                  # Predicates (multiple chars)
                  "01"[(char + 'abc').isalnum()],
                  "01"[(char + 'abc').isalpha()],
                  "01"[(char + '123').isdecimal()],
                  "01"[(char + '123').isdigit()],
                  "01"[(char + 'abc').islower()],
                  "01"[(char + '123').isnumeric()],
                  "01"[(char + ' \t').isspace()],
                  "01"[(char + 'abc').istitle()],
                  "01"[(char + 'ABC').isupper()],
  
                  # Mappings (single char)
                  char.lower(),
                  char.upper(),
                  char.title(),
  
                  # Mappings (multiple chars)
                  (char + 'abc').lower(),
                  (char + 'ABC').upper(),
                  (char + 'abc').title(),
                  (char + 'ABC').title(),
  
                  ]
              h.update(''.join(data).encode(encoding, errors))
          result = h.hexdigest()
          self.assertEqual(result, self.expectedchecksum)
  
  class UnicodeDatabaseTest(unittest.TestCase):
  
      def setUp(self):
          # In case unicodedata is not available, this will raise an ImportError,
          # but the other test cases will still be run
          import unicodedata
          self.db = unicodedata
  
      def tearDown(self):
          del self.db
  
  class UnicodeFunctionsTest(UnicodeDatabaseTest):
  
      # update this, if the database changes
      expectedchecksum = '17fe2f12b788e4fff5479b469c4404bb6ecf841f'
      def test_function_checksum(self):
          data = []
          h = hashlib.sha1()
  
          for i in range(0x10000):
              char = chr(i)
              data = [
                  # Properties
                  format(self.db.digit(char, -1), '.12g'),
                  format(self.db.numeric(char, -1), '.12g'),
                  format(self.db.decimal(char, -1), '.12g'),
                  self.db.category(char),
                  self.db.bidirectional(char),
                  self.db.decomposition(char),
                  str(self.db.mirrored(char)),
                  str(self.db.combining(char)),
              ]
              h.update(''.join(data).encode("ascii"))
          result = h.hexdigest()
          self.assertEqual(result, self.expectedchecksum)
  
      def test_digit(self):
          self.assertEqual(self.db.digit('A', None), None)
          self.assertEqual(self.db.digit('9'), 9)
          self.assertEqual(self.db.digit('\u215b', None), None)
          self.assertEqual(self.db.digit('\u2468'), 9)
          self.assertEqual(self.db.digit('\U00020000', None), None)
          self.assertEqual(self.db.digit('\U0001D7FD'), 7)
  
          self.assertRaises(TypeError, self.db.digit)
          self.assertRaises(TypeError, self.db.digit, 'xx')
          self.assertRaises(ValueError, self.db.digit, 'x')
  
      def test_numeric(self):
          self.assertEqual(self.db.numeric('A',None), None)
          self.assertEqual(self.db.numeric('9'), 9)
          self.assertEqual(self.db.numeric('\u215b'), 0.125)
          self.assertEqual(self.db.numeric('\u2468'), 9.0)
          self.assertEqual(self.db.numeric('\ua627'), 7.0)
          self.assertEqual(self.db.numeric('\U00020000', None), None)
          self.assertEqual(self.db.numeric('\U0001012A'), 9000)
  
          self.assertRaises(TypeError, self.db.numeric)
          self.assertRaises(TypeError, self.db.numeric, 'xx')
          self.assertRaises(ValueError, self.db.numeric, 'x')
  
      def test_decimal(self):
          self.assertEqual(self.db.decimal('A',None), None)
          self.assertEqual(self.db.decimal('9'), 9)
          self.assertEqual(self.db.decimal('\u215b', None), None)
          self.assertEqual(self.db.decimal('\u2468', None), None)
          self.assertEqual(self.db.decimal('\U00020000', None), None)
          self.assertEqual(self.db.decimal('\U0001D7FD'), 7)
  
          self.assertRaises(TypeError, self.db.decimal)
          self.assertRaises(TypeError, self.db.decimal, 'xx')
          self.assertRaises(ValueError, self.db.decimal, 'x')
  
      def test_category(self):
          self.assertEqual(self.db.category('\uFFFE'), 'Cn')
          self.assertEqual(self.db.category('a'), 'Ll')
          self.assertEqual(self.db.category('A'), 'Lu')
          self.assertEqual(self.db.category('\U00020000'), 'Lo')
          self.assertEqual(self.db.category('\U0001012A'), 'No')
  
          self.assertRaises(TypeError, self.db.category)
          self.assertRaises(TypeError, self.db.category, 'xx')
  
      def test_bidirectional(self):
          self.assertEqual(self.db.bidirectional('\uFFFE'), '')
          self.assertEqual(self.db.bidirectional(' '), 'WS')
          self.assertEqual(self.db.bidirectional('A'), 'L')
          self.assertEqual(self.db.bidirectional('\U00020000'), 'L')
  
          self.assertRaises(TypeError, self.db.bidirectional)
          self.assertRaises(TypeError, self.db.bidirectional, 'xx')
  
      def test_decomposition(self):
          self.assertEqual(self.db.decomposition('\uFFFE'),'')
          self.assertEqual(self.db.decomposition('\u00bc'), '<fraction> 0031 2044 0034')
  
          self.assertRaises(TypeError, self.db.decomposition)
          self.assertRaises(TypeError, self.db.decomposition, 'xx')
  
      def test_mirrored(self):
          self.assertEqual(self.db.mirrored('\uFFFE'), 0)
          self.assertEqual(self.db.mirrored('a'), 0)
          self.assertEqual(self.db.mirrored('\u2201'), 1)
          self.assertEqual(self.db.mirrored('\U00020000'), 0)
  
          self.assertRaises(TypeError, self.db.mirrored)
          self.assertRaises(TypeError, self.db.mirrored, 'xx')
  
      def test_combining(self):
          self.assertEqual(self.db.combining('\uFFFE'), 0)
          self.assertEqual(self.db.combining('a'), 0)
          self.assertEqual(self.db.combining('\u20e1'), 230)
          self.assertEqual(self.db.combining('\U00020000'), 0)
  
          self.assertRaises(TypeError, self.db.combining)
          self.assertRaises(TypeError, self.db.combining, 'xx')
  
      def test_normalize(self):
          self.assertRaises(TypeError, self.db.normalize)
          self.assertRaises(ValueError, self.db.normalize, 'unknown', 'xx')
          self.assertEqual(self.db.normalize('NFKC', ''), '')
          # The rest can be found in test_normalization.py
          # which requires an external file.
  
      def test_pr29(self):
          # http://www.unicode.org/review/pr-29.html
          # See issues #1054943 and #10254.
          composed = ("\u0b47\u0300\u0b3e", "\u1100\u0300\u1161",
                      'Li\u030dt-s\u1e73\u0301',
                      '\u092e\u093e\u0930\u094d\u0915 \u091c\u093c'
                      + '\u0941\u0915\u0947\u0930\u092c\u0930\u094d\u0917',
                      '\u0915\u093f\u0930\u094d\u0917\u093f\u091c\u093c'
                      + '\u0938\u094d\u0924\u093e\u0928')
          for text in composed:
              self.assertEqual(self.db.normalize('NFC', text), text)
  
      def test_issue10254(self):
          # Crash reported in #10254
          a = 'C\u0338' * 20  + 'C\u0327'
          b = 'C\u0338' * 20  + '\xC7'
          self.assertEqual(self.db.normalize('NFC', a), b)
  
      def test_east_asian_width(self):
          eaw = self.db.east_asian_width
          self.assertRaises(TypeError, eaw, b'a')
          self.assertRaises(TypeError, eaw, bytearray())
          self.assertRaises(TypeError, eaw, '')
          self.assertRaises(TypeError, eaw, 'ra')
          self.assertEqual(eaw('\x1e'), 'N')
          self.assertEqual(eaw('\x20'), 'Na')
          self.assertEqual(eaw('\uC894'), 'W')
          self.assertEqual(eaw('\uFF66'), 'H')
          self.assertEqual(eaw('\uFF1F'), 'F')
          self.assertEqual(eaw('\u2010'), 'A')
          self.assertEqual(eaw('\U00020000'), 'W')
  
  class UnicodeMiscTest(UnicodeDatabaseTest):
  
      def test_failed_import_during_compiling(self):
          # Issue 4367
          # Decoding \N escapes requires the unicodedata module. If it can't be
          # imported, we shouldn't segfault.
  
          # This program should raise a SyntaxError in the eval.
          code = "import sys;" \
              "sys.modules['unicodedata'] = None;" \
              """eval("'\\\\N{SOFT HYPHEN}'")"""
          args = [sys.executable, "-c", code]
          # We use a subprocess because the unicodedata module may already have
          # been loaded in this process.
          popen = subprocess.Popen(args, stderr=subprocess.PIPE)
          popen.wait()
          self.assertEqual(popen.returncode, 1)
          error = "SyntaxError: (unicode error) \\N escapes not supported " \
              "(can't load unicodedata module)"
          self.assertIn(error, popen.stderr.read().decode("ascii"))
          popen.stderr.close()
  
      def test_decimal_numeric_consistent(self):
          # Test that decimal and numeric are consistent,
          # i.e. if a character has a decimal value,
          # its numeric value should be the same.
          count = 0
          for i in range(0x10000):
              c = chr(i)
              dec = self.db.decimal(c, -1)
              if dec != -1:
                  self.assertEqual(dec, self.db.numeric(c))
                  count += 1
          self.assertTrue(count >= 10) # should have tested at least the ASCII digits
  
      def test_digit_numeric_consistent(self):
          # Test that digit and numeric are consistent,
          # i.e. if a character has a digit value,
          # its numeric value should be the same.
          count = 0
          for i in range(0x10000):
              c = chr(i)
              dec = self.db.digit(c, -1)
              if dec != -1:
                  self.assertEqual(dec, self.db.numeric(c))
                  count += 1
          self.assertTrue(count >= 10) # should have tested at least the ASCII digits
  
      def test_bug_1704793(self):
          self.assertEqual(self.db.lookup("GOTHIC LETTER FAIHU"), '\U00010346')
  
      def test_ucd_510(self):
          import unicodedata
          # In UCD 5.1.0, a mirrored property changed wrt. UCD 3.2.0
          self.assertTrue(unicodedata.mirrored("\u0f3a"))
          self.assertTrue(not unicodedata.ucd_3_2_0.mirrored("\u0f3a"))
          # Also, we now have two ways of representing
          # the upper-case mapping: as delta, or as absolute value
          self.assertTrue("a".upper()=='A')
          self.assertTrue("\u1d79".upper()=='\ua77d')
          self.assertTrue(".".upper()=='.')
  
      def test_bug_5828(self):
          self.assertEqual("\u1d79".lower(), "\u1d79")
          # Only U+0000 should have U+0000 as its upper/lower/titlecase variant
          self.assertEqual(
              [
                  c for c in range(sys.maxunicode+1)
                  if "\x00" in chr(c).lower()+chr(c).upper()+chr(c).title()
              ],
              [0]
          )
  
      def test_bug_4971(self):
          # LETTER DZ WITH CARON: DZ, Dz, dz
          self.assertEqual("\u01c4".title(), "\u01c5")
          self.assertEqual("\u01c5".title(), "\u01c5")
          self.assertEqual("\u01c6".title(), "\u01c5")
  
      def test_linebreak_7643(self):
          for i in range(0x10000):
              lines = (chr(i) + 'A').splitlines()
              if i in (0x0a, 0x0b, 0x0c, 0x0d, 0x85,
                       0x1c, 0x1d, 0x1e, 0x2028, 0x2029):
                  self.assertEqual(len(lines), 2,
                                   r"\u%.4x should be a linebreak" % i)
              else:
                  self.assertEqual(len(lines), 1,
                                   r"\u%.4x should not be a linebreak" % i)
  
  def test_main():
      test.support.run_unittest(
          UnicodeMiscTest,
          UnicodeMethodsTest,
          UnicodeFunctionsTest
      )
  
  if __name__ == "__main__":
      test_main()
  