python-2.5.2/win32/Lib/test/test_getargs2.py
changeset 0 ae805ac0140d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python-2.5.2/win32/Lib/test/test_getargs2.py	Fri Apr 03 17:19:34 2009 +0100
@@ -0,0 +1,264 @@
+import unittest
+from test import test_support
+import sys
+
+import warnings, re
+warnings.filterwarnings("ignore",
+                        category=DeprecationWarning,
+                        message=".*integer argument expected, got float",
+                        module=__name__)
+warnings.filterwarnings("ignore",
+                        category=DeprecationWarning,
+                        message=".*integer argument expected, got float",
+                        module="unittest")
+
+"""
+> How about the following counterproposal. This also changes some of
+> the other format codes to be a little more regular.
+>
+> Code C type Range check
+>
+> b unsigned char 0..UCHAR_MAX
+> h signed short SHRT_MIN..SHRT_MAX
+> B unsigned char none **
+> H unsigned short none **
+> k * unsigned long none
+> I * unsigned int 0..UINT_MAX
+
+
+> i int INT_MIN..INT_MAX
+> l long LONG_MIN..LONG_MAX
+
+> K * unsigned long long none
+> L long long LLONG_MIN..LLONG_MAX
+
+> Notes:
+>
+> * New format codes.
+>
+> ** Changed from previous "range-and-a-half" to "none"; the
+> range-and-a-half checking wasn't particularly useful.
+
+Plus a C API or two, e.g. PyInt_AsLongMask() ->
+unsigned long and PyInt_AsLongLongMask() -> unsigned
+long long (if that exists).
+"""
+
+LARGE = 0x7FFFFFFF
+VERY_LARGE = 0xFF0000121212121212121242L
+
+from _testcapi import UCHAR_MAX, USHRT_MAX, UINT_MAX, ULONG_MAX, INT_MAX, \
+     INT_MIN, LONG_MIN, LONG_MAX, PY_SSIZE_T_MIN, PY_SSIZE_T_MAX
+
+# fake, they are not defined in Python's header files
+LLONG_MAX = 2**63-1
+LLONG_MIN = -2**63
+ULLONG_MAX = 2**64-1
+
+class Long:
+    def __int__(self):
+        return 99L
+
+class Int:
+    def __int__(self):
+        return 99
+
+class Unsigned_TestCase(unittest.TestCase):
+    def test_b(self):
+        from _testcapi import getargs_b
+        # b returns 'unsigned char', and does range checking (0 ... UCHAR_MAX)
+        self.failUnlessEqual(3, getargs_b(3.14))
+        self.failUnlessEqual(99, getargs_b(Long()))
+        self.failUnlessEqual(99, getargs_b(Int()))
+
+        self.assertRaises(OverflowError, getargs_b, -1)
+        self.failUnlessEqual(0, getargs_b(0))
+        self.failUnlessEqual(UCHAR_MAX, getargs_b(UCHAR_MAX))
+        self.assertRaises(OverflowError, getargs_b, UCHAR_MAX + 1)
+
+        self.failUnlessEqual(42, getargs_b(42))
+        self.failUnlessEqual(42, getargs_b(42L))
+        self.assertRaises(OverflowError, getargs_b, VERY_LARGE)
+
+    def test_B(self):
+        from _testcapi import getargs_B
+        # B returns 'unsigned char', no range checking
+        self.failUnlessEqual(3, getargs_B(3.14))
+        self.failUnlessEqual(99, getargs_B(Long()))
+        self.failUnlessEqual(99, getargs_B(Int()))
+
+        self.failUnlessEqual(UCHAR_MAX, getargs_B(-1))
+        self.failUnlessEqual(UCHAR_MAX, getargs_B(-1L))
+        self.failUnlessEqual(0, getargs_B(0))
+        self.failUnlessEqual(UCHAR_MAX, getargs_B(UCHAR_MAX))
+        self.failUnlessEqual(0, getargs_B(UCHAR_MAX+1))
+
+        self.failUnlessEqual(42, getargs_B(42))
+        self.failUnlessEqual(42, getargs_B(42L))
+        self.failUnlessEqual(UCHAR_MAX & VERY_LARGE, getargs_B(VERY_LARGE))
+
+    def test_H(self):
+        from _testcapi import getargs_H
+        # H returns 'unsigned short', no range checking
+        self.failUnlessEqual(3, getargs_H(3.14))
+        self.failUnlessEqual(99, getargs_H(Long()))
+        self.failUnlessEqual(99, getargs_H(Int()))
+
+        self.failUnlessEqual(USHRT_MAX, getargs_H(-1))
+        self.failUnlessEqual(0, getargs_H(0))
+        self.failUnlessEqual(USHRT_MAX, getargs_H(USHRT_MAX))
+        self.failUnlessEqual(0, getargs_H(USHRT_MAX+1))
+
+        self.failUnlessEqual(42, getargs_H(42))
+        self.failUnlessEqual(42, getargs_H(42L))
+
+        self.failUnlessEqual(VERY_LARGE & USHRT_MAX, getargs_H(VERY_LARGE))
+
+    def test_I(self):
+        from _testcapi import getargs_I
+        # I returns 'unsigned int', no range checking
+        self.failUnlessEqual(3, getargs_I(3.14))
+        self.failUnlessEqual(99, getargs_I(Long()))
+        self.failUnlessEqual(99, getargs_I(Int()))
+
+        self.failUnlessEqual(UINT_MAX, getargs_I(-1))
+        self.failUnlessEqual(0, getargs_I(0))
+        self.failUnlessEqual(UINT_MAX, getargs_I(UINT_MAX))
+        self.failUnlessEqual(0, getargs_I(UINT_MAX+1))
+
+        self.failUnlessEqual(42, getargs_I(42))
+        self.failUnlessEqual(42, getargs_I(42L))
+
+        self.failUnlessEqual(VERY_LARGE & UINT_MAX, getargs_I(VERY_LARGE))
+
+    def test_k(self):
+        from _testcapi import getargs_k
+        # k returns 'unsigned long', no range checking
+        # it does not accept float, or instances with __int__
+        self.assertRaises(TypeError, getargs_k, 3.14)
+        self.assertRaises(TypeError, getargs_k, Long())
+        self.assertRaises(TypeError, getargs_k, Int())
+
+        self.failUnlessEqual(ULONG_MAX, getargs_k(-1))
+        self.failUnlessEqual(0, getargs_k(0))
+        self.failUnlessEqual(ULONG_MAX, getargs_k(ULONG_MAX))
+        self.failUnlessEqual(0, getargs_k(ULONG_MAX+1))
+
+        self.failUnlessEqual(42, getargs_k(42))
+        self.failUnlessEqual(42, getargs_k(42L))
+
+        self.failUnlessEqual(VERY_LARGE & ULONG_MAX, getargs_k(VERY_LARGE))
+
+class Signed_TestCase(unittest.TestCase):
+    def test_i(self):
+        from _testcapi import getargs_i
+        # i returns 'int', and does range checking (INT_MIN ... INT_MAX)
+        self.failUnlessEqual(3, getargs_i(3.14))
+        self.failUnlessEqual(99, getargs_i(Long()))
+        self.failUnlessEqual(99, getargs_i(Int()))
+
+        self.assertRaises(OverflowError, getargs_i, INT_MIN-1)
+        self.failUnlessEqual(INT_MIN, getargs_i(INT_MIN))
+        self.failUnlessEqual(INT_MAX, getargs_i(INT_MAX))
+        self.assertRaises(OverflowError, getargs_i, INT_MAX+1)
+
+        self.failUnlessEqual(42, getargs_i(42))
+        self.failUnlessEqual(42, getargs_i(42L))
+        self.assertRaises(OverflowError, getargs_i, VERY_LARGE)
+
+    def test_l(self):
+        from _testcapi import getargs_l
+        # l returns 'long', and does range checking (LONG_MIN ... LONG_MAX)
+        self.failUnlessEqual(3, getargs_l(3.14))
+        self.failUnlessEqual(99, getargs_l(Long()))
+        self.failUnlessEqual(99, getargs_l(Int()))
+
+        self.assertRaises(OverflowError, getargs_l, LONG_MIN-1)
+        self.failUnlessEqual(LONG_MIN, getargs_l(LONG_MIN))
+        self.failUnlessEqual(LONG_MAX, getargs_l(LONG_MAX))
+        self.assertRaises(OverflowError, getargs_l, LONG_MAX+1)
+
+        self.failUnlessEqual(42, getargs_l(42))
+        self.failUnlessEqual(42, getargs_l(42L))
+        self.assertRaises(OverflowError, getargs_l, VERY_LARGE)
+
+    def test_n(self):
+        from _testcapi import getargs_n
+        # n returns 'Py_ssize_t', and does range checking
+        # (PY_SSIZE_T_MIN ... PY_SSIZE_T_MAX)
+        self.failUnlessEqual(3, getargs_n(3.14))
+        self.failUnlessEqual(99, getargs_n(Long()))
+        self.failUnlessEqual(99, getargs_n(Int()))
+
+        self.assertRaises(OverflowError, getargs_n, PY_SSIZE_T_MIN-1)
+        self.failUnlessEqual(PY_SSIZE_T_MIN, getargs_n(PY_SSIZE_T_MIN))
+        self.failUnlessEqual(PY_SSIZE_T_MAX, getargs_n(PY_SSIZE_T_MAX))
+        self.assertRaises(OverflowError, getargs_n, PY_SSIZE_T_MAX+1)
+
+        self.failUnlessEqual(42, getargs_n(42))
+        self.failUnlessEqual(42, getargs_n(42L))
+        self.assertRaises(OverflowError, getargs_n, VERY_LARGE)
+
+
+class LongLong_TestCase(unittest.TestCase):
+    def test_L(self):
+        from _testcapi import getargs_L
+        # L returns 'long long', and does range checking (LLONG_MIN ... LLONG_MAX)
+        self.failUnlessRaises(TypeError, getargs_L, "Hello")
+        self.failUnlessEqual(3, getargs_L(3.14))
+        self.failUnlessEqual(99, getargs_L(Long()))
+        self.failUnlessEqual(99, getargs_L(Int()))
+
+        self.assertRaises(OverflowError, getargs_L, LLONG_MIN-1)
+        self.failUnlessEqual(LLONG_MIN, getargs_L(LLONG_MIN))
+        self.failUnlessEqual(LLONG_MAX, getargs_L(LLONG_MAX))
+        self.assertRaises(OverflowError, getargs_L, LLONG_MAX+1)
+
+        self.failUnlessEqual(42, getargs_L(42))
+        self.failUnlessEqual(42, getargs_L(42L))
+        self.assertRaises(OverflowError, getargs_L, VERY_LARGE)
+
+    def test_K(self):
+        from _testcapi import getargs_K
+        # K return 'unsigned long long', no range checking
+        self.assertRaises(TypeError, getargs_K, 3.14)
+        self.assertRaises(TypeError, getargs_K, Long())
+        self.assertRaises(TypeError, getargs_K, Int())
+        self.failUnlessEqual(ULLONG_MAX, getargs_K(ULLONG_MAX))
+        self.failUnlessEqual(0, getargs_K(0))
+        self.failUnlessEqual(0, getargs_K(ULLONG_MAX+1))
+
+        self.failUnlessEqual(42, getargs_K(42))
+        self.failUnlessEqual(42, getargs_K(42L))
+
+        self.failUnlessEqual(VERY_LARGE & ULLONG_MAX, getargs_K(VERY_LARGE))
+
+
+class Tuple_TestCase(unittest.TestCase):
+    def test_tuple(self):
+        from _testcapi import getargs_tuple
+
+        ret = getargs_tuple(1, (2, 3))
+        self.assertEquals(ret, (1,2,3))
+
+        # make sure invalid tuple arguments are handled correctly
+        class seq:
+            def __len__(self):
+                return 2
+            def __getitem__(self, n):
+                raise ValueError
+        self.assertRaises(TypeError, getargs_tuple, 1, seq())
+
+
+def test_main():
+    tests = [Signed_TestCase, Unsigned_TestCase, Tuple_TestCase]
+    try:
+        from _testcapi import getargs_L, getargs_K
+    except ImportError:
+        pass # PY_LONG_LONG not available
+    else:
+        tests.append(LongLong_TestCase)
+    test_support.run_unittest(*tests)
+
+if __name__ == "__main__":
+    test_main()