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from _testcapi import test_structmembersType, \
CHAR_MAX, CHAR_MIN, UCHAR_MAX, \
SHRT_MAX, SHRT_MIN, USHRT_MAX, \
INT_MAX, INT_MIN, UINT_MAX, \
LONG_MAX, LONG_MIN, ULONG_MAX, \
LLONG_MAX, LLONG_MIN, ULLONG_MAX
import warnings, unittest, sys
from test import test_support
ts=test_structmembersType(1,2,3,4,5,6,7,8,9.99999,10.1010101010)
class ReadWriteTests(unittest.TestCase):
def test_types(self):
ts.T_BYTE=CHAR_MAX
self.assertEquals(ts.T_BYTE, CHAR_MAX)
ts.T_BYTE=CHAR_MIN
self.assertEquals(ts.T_BYTE, CHAR_MIN)
ts.T_UBYTE=UCHAR_MAX
self.assertEquals(ts.T_UBYTE, UCHAR_MAX)
ts.T_SHORT=SHRT_MAX
self.assertEquals(ts.T_SHORT, SHRT_MAX)
ts.T_SHORT=SHRT_MIN
self.assertEquals(ts.T_SHORT, SHRT_MIN)
ts.T_USHORT=USHRT_MAX
self.assertEquals(ts.T_USHORT, USHRT_MAX)
ts.T_INT=INT_MAX
self.assertEquals(ts.T_INT, INT_MAX)
ts.T_INT=INT_MIN
self.assertEquals(ts.T_INT, INT_MIN)
ts.T_UINT=UINT_MAX
self.assertEquals(ts.T_UINT, UINT_MAX)
ts.T_LONG=LONG_MAX
self.assertEquals(ts.T_LONG, LONG_MAX)
ts.T_LONG=LONG_MIN
self.assertEquals(ts.T_LONG, LONG_MIN)
ts.T_ULONG=ULONG_MAX
self.assertEquals(ts.T_ULONG, ULONG_MAX)
## T_LONGLONG and T_ULONGLONG may not be present on some platforms
if hasattr(ts, 'T_LONGLONG'):
ts.T_LONGLONG=LLONG_MAX
self.assertEquals(ts.T_LONGLONG, LLONG_MAX)
ts.T_LONGLONG=LLONG_MIN
self.assertEquals(ts.T_LONGLONG, LLONG_MIN)
ts.T_ULONGLONG=ULLONG_MAX
self.assertEquals(ts.T_ULONGLONG, ULLONG_MAX)
## make sure these will accept a plain int as well as a long
ts.T_LONGLONG=3
self.assertEquals(ts.T_LONGLONG, 3)
ts.T_ULONGLONG=4
self.assertEquals(ts.T_ULONGLONG, 4)
class TestWarnings(unittest.TestCase):
def has_warned(self, w):
self.assertEqual(w.category, RuntimeWarning)
def test_byte_max(self):
with test_support.catch_warning() as w:
ts.T_BYTE=CHAR_MAX+1
self.has_warned(w)
def test_byte_min(self):
with test_support.catch_warning() as w:
ts.T_BYTE=CHAR_MIN-1
self.has_warned(w)
def test_ubyte_max(self):
with test_support.catch_warning() as w:
ts.T_UBYTE=UCHAR_MAX+1
self.has_warned(w)
def test_short_max(self):
with test_support.catch_warning() as w:
ts.T_SHORT=SHRT_MAX+1
self.has_warned(w)
def test_short_min(self):
with test_support.catch_warning() as w:
ts.T_SHORT=SHRT_MIN-1
self.has_warned(w)
def test_ushort_max(self):
with test_support.catch_warning() as w:
ts.T_USHORT=USHRT_MAX+1
self.has_warned(w)
def test_main(verbose=None):
# Obscure hack so that this test passes after reloads or repeated calls
# to test_main (regrtest -R).
if '__warningregistry__' in globals():
del globals()['__warningregistry__']
if hasattr(sys, '__warningregistry__'):
del sys.__warningregistry__
test_support.run_unittest(__name__)
if __name__ == "__main__":
test_main(verbose=True)
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