146 lines
4.8 KiB
Python
146 lines
4.8 KiB
Python
import unittest
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from test.support import import_helper
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from test.support import warnings_helper
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# Skip this test if the _testcapi module isn't available.
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import_helper.import_module('_testcapi')
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from _testcapi import _test_structmembersType, \
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CHAR_MAX, CHAR_MIN, UCHAR_MAX, \
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SHRT_MAX, SHRT_MIN, USHRT_MAX, \
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INT_MAX, INT_MIN, UINT_MAX, \
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LONG_MAX, LONG_MIN, ULONG_MAX, \
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LLONG_MAX, LLONG_MIN, ULLONG_MAX, \
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PY_SSIZE_T_MAX, PY_SSIZE_T_MIN
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ts=_test_structmembersType(False, # T_BOOL
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1, # T_BYTE
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2, # T_UBYTE
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3, # T_SHORT
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4, # T_USHORT
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5, # T_INT
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6, # T_UINT
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7, # T_LONG
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8, # T_ULONG
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23, # T_PYSSIZET
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9.99999,# T_FLOAT
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10.1010101010, # T_DOUBLE
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"hi" # T_STRING_INPLACE
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)
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class ReadWriteTests(unittest.TestCase):
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def test_bool(self):
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ts.T_BOOL = True
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self.assertEqual(ts.T_BOOL, True)
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ts.T_BOOL = False
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self.assertEqual(ts.T_BOOL, False)
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self.assertRaises(TypeError, setattr, ts, 'T_BOOL', 1)
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def test_byte(self):
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ts.T_BYTE = CHAR_MAX
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self.assertEqual(ts.T_BYTE, CHAR_MAX)
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ts.T_BYTE = CHAR_MIN
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self.assertEqual(ts.T_BYTE, CHAR_MIN)
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ts.T_UBYTE = UCHAR_MAX
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self.assertEqual(ts.T_UBYTE, UCHAR_MAX)
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def test_short(self):
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ts.T_SHORT = SHRT_MAX
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self.assertEqual(ts.T_SHORT, SHRT_MAX)
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ts.T_SHORT = SHRT_MIN
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self.assertEqual(ts.T_SHORT, SHRT_MIN)
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ts.T_USHORT = USHRT_MAX
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self.assertEqual(ts.T_USHORT, USHRT_MAX)
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def test_int(self):
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ts.T_INT = INT_MAX
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self.assertEqual(ts.T_INT, INT_MAX)
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ts.T_INT = INT_MIN
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self.assertEqual(ts.T_INT, INT_MIN)
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ts.T_UINT = UINT_MAX
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self.assertEqual(ts.T_UINT, UINT_MAX)
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def test_long(self):
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ts.T_LONG = LONG_MAX
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self.assertEqual(ts.T_LONG, LONG_MAX)
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ts.T_LONG = LONG_MIN
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self.assertEqual(ts.T_LONG, LONG_MIN)
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ts.T_ULONG = ULONG_MAX
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self.assertEqual(ts.T_ULONG, ULONG_MAX)
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def test_py_ssize_t(self):
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ts.T_PYSSIZET = PY_SSIZE_T_MAX
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self.assertEqual(ts.T_PYSSIZET, PY_SSIZE_T_MAX)
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ts.T_PYSSIZET = PY_SSIZE_T_MIN
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self.assertEqual(ts.T_PYSSIZET, PY_SSIZE_T_MIN)
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@unittest.skipUnless(hasattr(ts, "T_LONGLONG"), "long long not present")
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def test_longlong(self):
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ts.T_LONGLONG = LLONG_MAX
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self.assertEqual(ts.T_LONGLONG, LLONG_MAX)
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ts.T_LONGLONG = LLONG_MIN
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self.assertEqual(ts.T_LONGLONG, LLONG_MIN)
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ts.T_ULONGLONG = ULLONG_MAX
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self.assertEqual(ts.T_ULONGLONG, ULLONG_MAX)
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## make sure these will accept a plain int as well as a long
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ts.T_LONGLONG = 3
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self.assertEqual(ts.T_LONGLONG, 3)
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ts.T_ULONGLONG = 4
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self.assertEqual(ts.T_ULONGLONG, 4)
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def test_bad_assignments(self):
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integer_attributes = [
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'T_BOOL',
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'T_BYTE', 'T_UBYTE',
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'T_SHORT', 'T_USHORT',
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'T_INT', 'T_UINT',
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'T_LONG', 'T_ULONG',
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'T_PYSSIZET'
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]
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if hasattr(ts, 'T_LONGLONG'):
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integer_attributes.extend(['T_LONGLONG', 'T_ULONGLONG'])
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# issue8014: this produced 'bad argument to internal function'
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# internal error
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for nonint in None, 3.2j, "full of eels", {}, []:
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for attr in integer_attributes:
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self.assertRaises(TypeError, setattr, ts, attr, nonint)
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def test_inplace_string(self):
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self.assertEqual(ts.T_STRING_INPLACE, "hi")
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self.assertRaises(TypeError, setattr, ts, "T_STRING_INPLACE", "s")
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self.assertRaises(TypeError, delattr, ts, "T_STRING_INPLACE")
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class TestWarnings(unittest.TestCase):
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def test_byte_max(self):
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with warnings_helper.check_warnings(('', RuntimeWarning)):
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ts.T_BYTE = CHAR_MAX+1
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def test_byte_min(self):
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with warnings_helper.check_warnings(('', RuntimeWarning)):
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ts.T_BYTE = CHAR_MIN-1
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def test_ubyte_max(self):
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with warnings_helper.check_warnings(('', RuntimeWarning)):
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ts.T_UBYTE = UCHAR_MAX+1
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def test_short_max(self):
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with warnings_helper.check_warnings(('', RuntimeWarning)):
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ts.T_SHORT = SHRT_MAX+1
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def test_short_min(self):
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with warnings_helper.check_warnings(('', RuntimeWarning)):
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ts.T_SHORT = SHRT_MIN-1
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def test_ushort_max(self):
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with warnings_helper.check_warnings(('', RuntimeWarning)):
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ts.T_USHORT = USHRT_MAX+1
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if __name__ == "__main__":
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unittest.main()
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