Modifications to support iOS as a development platform

Lib/test/test_pep277.py

 # Test the Unicode versions of normal file functions
 # open, os.open, os.stat. os.listdir, os.rename, os.remove, os.mkdir, os.chdir, os.rmdir
 import os
 import sys
 import unittest
 import warnings
 from unicodedata import normalize
 from test import support
 
 filenames = [
     '1_abc',
     '2_ascii',
     '3_Gr\xfc\xdf-Gott',
     '4_\u0393\u03b5\u03b9\u03ac-\u03c3\u03b1\u03c2',
     '5_\u0417\u0434\u0440\u0430\u0432\u0441\u0442\u0432\u0443\u0439\u0442\u0435',
     '6_\u306b\u307d\u3093',
     '7_\u05d4\u05e9\u05e7\u05e6\u05e5\u05e1',
     '8_\u66e8\u66e9\u66eb',
     '9_\u66e8\u05e9\u3093\u0434\u0393\xdf',
     # Specific code points: fn, NFC(fn) and NFKC(fn) all differents
     '10_\u1fee\u1ffd',
     ]
 
 # Mac OS X decomposes Unicode names, using Normal Form D.
 # http://developer.apple.com/mac/library/qa/qa2001/qa1173.html
 # "However, most volume formats do not follow the exact specification for
 # these normal forms.  For example, HFS Plus uses a variant of Normal Form D
 # in which U+2000 through U+2FFF, U+F900 through U+FAFF, and U+2F800 through
 # U+2FAFF are not decomposed."
-if sys.platform != 'darwin':
+if sys.platform not in ('darwin', 'ios'):
     filenames.extend([
         # Specific code points: NFC(fn), NFD(fn), NFKC(fn) and NFKD(fn) all differents
         '11_\u0385\u03d3\u03d4',
         '12_\u00a8\u0301\u03d2\u0301\u03d2\u0308', # == NFD('\u0385\u03d3\u03d4')
         '13_\u0020\u0308\u0301\u038e\u03ab',       # == NFKC('\u0385\u03d3\u03d4')
         '14_\u1e9b\u1fc1\u1fcd\u1fce\u1fcf\u1fdd\u1fde\u1fdf\u1fed',
 
         # Specific code points: fn, NFC(fn) and NFKC(fn) all differents
         '15_\u1fee\u1ffd\ufad1',
         '16_\u2000\u2000\u2000A',
@@ skipping 69 matching lines @@
         _listdir_failure = NotADirectoryError
 
     def test_open(self):
         for name in self.files:
             f = open(name, 'wb')
             f.write((name+'\n').encode("utf-8"))
             f.close()
             os.stat(name)
             self._apply_failure(os.listdir, name, self._listdir_failure)
 
-    # Skip the test on darwin, because darwin does normalize the filename to
+    # Skip the test on darwin/iOS, because darwin does normalize the filename to
     # NFD (a variant of Unicode NFD form). Normalize the filename to NFC, NFKC,
     # NFKD in Python is useless, because darwin will normalize it later and so
     # open(), os.stat(), etc. don't raise any exception.
-    @unittest.skipIf(sys.platform == 'darwin', 'irrelevant test on Mac OS X')
+    @unittest.skipIf(sys.platform in ('darwin', 'ios'), 'irrelevant test on Mac OS X')
     def test_normalize(self):
         files = set(self.files)
         others = set()
         for nf in set(['NFC', 'NFD', 'NFKC', 'NFKD']):
             others |= set(normalize(nf, file) for file in files)
         others -= files
         for name in others:
             self._apply_failure(open, name)
             self._apply_failure(os.stat, name)
             self._apply_failure(os.chdir, name)
             self._apply_failure(os.rmdir, name)
             self._apply_failure(os.remove, name)
             self._apply_failure(os.listdir, name)
 
-    # Skip the test on darwin, because darwin uses a normalization different
+    # Skip the test on darwin/iOS, because darwin uses a normalization different
     # than Python NFD normalization: filenames are different even if we use
     # Python NFD normalization.
-    @unittest.skipIf(sys.platform == 'darwin', 'irrelevant test on Mac OS X')
+    @unittest.skipIf(sys.platform in ('darwin', 'ios'), 'irrelevant test on Mac OS X')
     def test_listdir(self):
         sf0 = set(self.files)
         with warnings.catch_warnings():
             warnings.simplefilter("ignore", DeprecationWarning)
             f1 = os.listdir(support.TESTFN.encode(sys.getfilesystemencoding()))
         f2 = os.listdir(support.TESTFN)
         sf2 = set(os.path.join(support.TESTFN, f) for f in f2)
         self.assertEqual(sf0, sf2, "%a != %a" % (sf0, sf2))
         self.assertEqual(len(f1), len(f2))
 
@@ skipping 33 matching lines @@
         UnicodeFileTests,
         UnicodeNFCFileTests,
         UnicodeNFDFileTests,
         UnicodeNFKCFileTests,
         UnicodeNFKDFileTests,
     )
 
 
 if __name__ == "__main__":
     test_main()