1 import unittest 2 from test import test_support 3 4 # Skip this test if the _testcapi module isn't available. 5 test_support.import_module('_testcapi') 6 from _testcapi import _test_structmembersType, \ 7 CHAR_MAX, CHAR_MIN, UCHAR_MAX, \ 8 SHRT_MAX, SHRT_MIN, USHRT_MAX, \ 9 INT_MAX, INT_MIN, UINT_MAX, \ 10 LONG_MAX, LONG_MIN, ULONG_MAX, \ 11 LLONG_MAX, LLONG_MIN, ULLONG_MAX 12 13 ts=_test_structmembersType(False, 1, 2, 3, 4, 5, 6, 7, 8, 14 9.99999, 10.1010101010, "hi") 15 16 class ReadWriteTests(unittest.TestCase): 17 18 def test_bool(self): 19 ts.T_BOOL = True 20 self.assertEqual(ts.T_BOOL, True) 21 ts.T_BOOL = False 22 self.assertEqual(ts.T_BOOL, False) 23 self.assertRaises(TypeError, setattr, ts, 'T_BOOL', 1) 24 25 def test_byte(self): 26 ts.T_BYTE = CHAR_MAX 27 self.assertEqual(ts.T_BYTE, CHAR_MAX) 28 ts.T_BYTE = CHAR_MIN 29 self.assertEqual(ts.T_BYTE, CHAR_MIN) 30 ts.T_UBYTE = UCHAR_MAX 31 self.assertEqual(ts.T_UBYTE, UCHAR_MAX) 32 33 def test_short(self): 34 ts.T_SHORT = SHRT_MAX 35 self.assertEqual(ts.T_SHORT, SHRT_MAX) 36 ts.T_SHORT = SHRT_MIN 37 self.assertEqual(ts.T_SHORT, SHRT_MIN) 38 ts.T_USHORT = USHRT_MAX 39 self.assertEqual(ts.T_USHORT, USHRT_MAX) 40 41 def test_int(self): 42 ts.T_INT = INT_MAX 43 self.assertEqual(ts.T_INT, INT_MAX) 44 ts.T_INT = INT_MIN 45 self.assertEqual(ts.T_INT, INT_MIN) 46 ts.T_UINT = UINT_MAX 47 self.assertEqual(ts.T_UINT, UINT_MAX) 48 49 def test_long(self): 50 ts.T_LONG = LONG_MAX 51 self.assertEqual(ts.T_LONG, LONG_MAX) 52 ts.T_LONG = LONG_MIN 53 self.assertEqual(ts.T_LONG, LONG_MIN) 54 ts.T_ULONG = ULONG_MAX 55 self.assertEqual(ts.T_ULONG, ULONG_MAX) 56 57 @unittest.skipUnless(hasattr(ts, "T_LONGLONG"), "long long not present") 58 def test_longlong(self): 59 ts.T_LONGLONG = LLONG_MAX 60 self.assertEqual(ts.T_LONGLONG, LLONG_MAX) 61 ts.T_LONGLONG = LLONG_MIN 62 self.assertEqual(ts.T_LONGLONG, LLONG_MIN) 63 64 ts.T_ULONGLONG = ULLONG_MAX 65 self.assertEqual(ts.T_ULONGLONG, ULLONG_MAX) 66 67 ## make sure these will accept a plain int as well as a long 68 ts.T_LONGLONG = 3 69 self.assertEqual(ts.T_LONGLONG, 3) 70 ts.T_ULONGLONG = 4 71 self.assertEqual(ts.T_ULONGLONG, 4) 72 73 def test_inplace_string(self): 74 self.assertEqual(ts.T_STRING_INPLACE, "hi") 75 self.assertRaises(TypeError, setattr, ts, "T_STRING_INPLACE", "s") 76 self.assertRaises(TypeError, delattr, ts, "T_STRING_INPLACE") 77 78 79 class TestWarnings(unittest.TestCase): 80 81 def test_byte_max(self): 82 with test_support.check_warnings(('', RuntimeWarning)): 83 ts.T_BYTE = CHAR_MAX+1 84 85 def test_byte_min(self): 86 with test_support.check_warnings(('', RuntimeWarning)): 87 ts.T_BYTE = CHAR_MIN-1 88 89 def test_ubyte_max(self): 90 with test_support.check_warnings(('', RuntimeWarning)): 91 ts.T_UBYTE = UCHAR_MAX+1 92 93 def test_short_max(self): 94 with test_support.check_warnings(('', RuntimeWarning)): 95 ts.T_SHORT = SHRT_MAX+1 96 97 def test_short_min(self): 98 with test_support.check_warnings(('', RuntimeWarning)): 99 ts.T_SHORT = SHRT_MIN-1 100 101 def test_ushort_max(self): 102 with test_support.check_warnings(('', RuntimeWarning)): 103 ts.T_USHORT = USHRT_MAX+1 104 105 106 def test_main(verbose=None): 107 test_support.run_unittest(__name__) 108 109 if __name__ == "__main__": 110 test_main(verbose=True) 111
