symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_binascii.py
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_binascii.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,174 @@
+"""Test the binascii C module."""
+
+from test import test_support
+import unittest
+import binascii
+
+class BinASCIITest(unittest.TestCase):
+
+    # Create binary test data
+    data = "The quick brown fox jumps over the lazy dog.\r\n"
+    # Be slow so we don't depend on other modules
+    data += "".join(map(chr, xrange(256)))
+    data += "\r\nHello world.\n"
+
+    def test_exceptions(self):
+        # Check module exceptions
+        self.assert_(issubclass(binascii.Error, Exception))
+        self.assert_(issubclass(binascii.Incomplete, Exception))
+
+    def test_functions(self):
+        # Check presence of all functions
+        funcs = []
+        for suffix in "base64", "hqx", "uu", "hex":
+            prefixes = ["a2b_", "b2a_"]
+            if suffix == "hqx":
+                prefixes.extend(["crc_", "rlecode_", "rledecode_"])
+            for prefix in prefixes:
+                name = prefix + suffix
+                self.assert_(callable(getattr(binascii, name)))
+                self.assertRaises(TypeError, getattr(binascii, name))
+        for name in ("hexlify", "unhexlify"):
+            self.assert_(callable(getattr(binascii, name)))
+            self.assertRaises(TypeError, getattr(binascii, name))
+
+    def test_base64valid(self):
+        # Test base64 with valid data
+        MAX_BASE64 = 57
+        lines = []
+        for i in range(0, len(self.data), MAX_BASE64):
+            b = self.data[i:i+MAX_BASE64]
+            a = binascii.b2a_base64(b)
+            lines.append(a)
+        res = ""
+        for line in lines:
+            b = binascii.a2b_base64(line)
+            res = res + b
+        self.assertEqual(res, self.data)
+
+    def test_base64invalid(self):
+        # Test base64 with random invalid characters sprinkled throughout
+        # (This requires a new version of binascii.)
+        MAX_BASE64 = 57
+        lines = []
+        for i in range(0, len(self.data), MAX_BASE64):
+            b = self.data[i:i+MAX_BASE64]
+            a = binascii.b2a_base64(b)
+            lines.append(a)
+
+        fillers = ""
+        valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/"
+        for i in xrange(256):
+            c = chr(i)
+            if c not in valid:
+                fillers += c
+        def addnoise(line):
+            noise = fillers
+            ratio = len(line) // len(noise)
+            res = ""
+            while line and noise:
+                if len(line) // len(noise) > ratio:
+                    c, line = line[0], line[1:]
+                else:
+                    c, noise = noise[0], noise[1:]
+                res += c
+            return res + noise + line
+        res = ""
+        for line in map(addnoise, lines):
+            b = binascii.a2b_base64(line)
+            res += b
+        self.assertEqual(res, self.data)
+
+        # Test base64 with just invalid characters, which should return
+        # empty strings. TBD: shouldn't it raise an exception instead ?
+        self.assertEqual(binascii.a2b_base64(fillers), '')
+
+    def test_uu(self):
+        MAX_UU = 45
+        lines = []
+        for i in range(0, len(self.data), MAX_UU):
+            b = self.data[i:i+MAX_UU]
+            a = binascii.b2a_uu(b)
+            lines.append(a)
+        res = ""
+        for line in lines:
+            b = binascii.a2b_uu(line)
+            res += b
+        self.assertEqual(res, self.data)
+
+        self.assertEqual(binascii.a2b_uu("\x7f"), "\x00"*31)
+        self.assertEqual(binascii.a2b_uu("\x80"), "\x00"*32)
+        self.assertEqual(binascii.a2b_uu("\xff"), "\x00"*31)
+        self.assertRaises(binascii.Error, binascii.a2b_uu, "\xff\x00")
+        self.assertRaises(binascii.Error, binascii.a2b_uu, "!!!!")
+
+        self.assertRaises(binascii.Error, binascii.b2a_uu, 46*"!")
+
+    def test_crc32(self):
+        crc = binascii.crc32("Test the CRC-32 of")
+        crc = binascii.crc32(" this string.", crc)
+        self.assertEqual(crc, 1571220330)
+
+        self.assertRaises(TypeError, binascii.crc32)
+
+    # The hqx test is in test_binhex.py
+
+    def test_hex(self):
+        # test hexlification
+        s = '{s\005\000\000\000worldi\002\000\000\000s\005\000\000\000helloi\001\000\000\0000'
+        t = binascii.b2a_hex(s)
+        u = binascii.a2b_hex(t)
+        self.assertEqual(s, u)
+        self.assertRaises(TypeError, binascii.a2b_hex, t[:-1])
+        self.assertRaises(TypeError, binascii.a2b_hex, t[:-1] + 'q')
+
+        # Verify the treatment of Unicode strings
+        if test_support.have_unicode:
+            self.assertEqual(binascii.hexlify(unicode('a', 'ascii')), '61')
+
+    def test_qp(self):
+        # A test for SF bug 534347 (segfaults without the proper fix)
+        try:
+            binascii.a2b_qp("", **{1:1})
+        except TypeError:
+            pass
+        else:
+            self.fail("binascii.a2b_qp(**{1:1}) didn't raise TypeError")
+        self.assertEqual(binascii.a2b_qp("= "), "= ")
+        self.assertEqual(binascii.a2b_qp("=="), "=")
+        self.assertEqual(binascii.a2b_qp("=AX"), "=AX")
+        self.assertRaises(TypeError, binascii.b2a_qp, foo="bar")
+        self.assertEqual(binascii.a2b_qp("=00\r\n=00"), "\x00\r\n\x00")
+        self.assertEqual(
+            binascii.b2a_qp("\xff\r\n\xff\n\xff"),
+            "=FF\r\n=FF\r\n=FF"
+        )
+        self.assertEqual(
+            binascii.b2a_qp("0"*75+"\xff\r\n\xff\r\n\xff"),
+            "0"*75+"=\r\n=FF\r\n=FF\r\n=FF"
+        )
+
+        self.assertEqual(binascii.b2a_qp('\0\n'), '=00\n')
+        self.assertEqual(binascii.b2a_qp('\0\n', quotetabs=True), '=00\n')
+        self.assertEqual(binascii.b2a_qp('foo\tbar\t\n'), 'foo\tbar=09\n')
+        self.assertEqual(binascii.b2a_qp('foo\tbar\t\n', quotetabs=True), 'foo=09bar=09\n')
+
+        self.assertEqual(binascii.b2a_qp('.'), '=2E')
+        self.assertEqual(binascii.b2a_qp('.\n'), '=2E\n')
+        self.assertEqual(binascii.b2a_qp('a.\n'), 'a.\n')
+
+    def test_empty_string(self):
+        # A test for SF bug #1022953.  Make sure SystemError is not raised.
+        for n in ['b2a_qp', 'a2b_hex', 'b2a_base64', 'a2b_uu', 'a2b_qp',
+                  'b2a_hex', 'unhexlify', 'hexlify', 'crc32', 'b2a_hqx',
+                  'a2b_hqx', 'a2b_base64', 'rlecode_hqx', 'b2a_uu',
+                  'rledecode_hqx']:
+            f = getattr(binascii, n)
+            f('')
+        binascii.crc_hqx('', 0)
+
+def test_main():
+    test_support.run_unittest(BinASCIITest)
+
+if __name__ == "__main__":
+    test_main()