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, exceptions, unittest, sys

from test import test_support

ts=test_structmembersType(False, 1, 2, 3, 4, 5, 6, 7, 8,

                          9.99999, 10.1010101010)

class ReadWriteTests(unittest.TestCase):

    def test_types(self):

        ts.T_BOOL = True

        self.assertEquals(ts.T_BOOL, True)

        ts.T_BOOL = False

        self.assertEquals(ts.T_BOOL, False)

        self.assertRaises(TypeError, setattr, ts, 'T_BOOL', 1)

        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.check_warnings() as w:

            ts.T_BYTE = CHAR_MAX+1

            self.has_warned(w)

    def test_byte_min(self):

        with test_support.check_warnings() as w:

            ts.T_BYTE = CHAR_MIN-1

            self.has_warned(w)

    def test_ubyte_max(self):

        with test_support.check_warnings() as w:

            ts.T_UBYTE = UCHAR_MAX+1

            self.has_warned(w)

    def test_short_max(self):

        with test_support.check_warnings() as w:

            ts.T_SHORT = SHRT_MAX+1

            self.has_warned(w)

    def test_short_min(self):

        with test_support.check_warnings() as w:

            ts.T_SHORT = SHRT_MIN-1

            self.has_warned(w)

    def test_ushort_max(self):

        with test_support.check_warnings() as w:

            ts.T_USHORT = USHRT_MAX+1

            self.has_warned(w)

def test_main(verbose=None):

    test_support.run_unittest(__name__)

if __name__ == "__main__":

    test_main(verbose=True)