47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
from test import test_support
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from test.test_support import bigaddrspacetest, MAX_Py_ssize_t
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import unittest
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import operator
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import sys
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class StrTest(unittest.TestCase):
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@bigaddrspacetest
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def test_concat(self):
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s1 = 'x' * MAX_Py_ssize_t
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self.assertRaises(OverflowError, operator.add, s1, '?')
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@bigaddrspacetest
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def test_optimized_concat(self):
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x = 'x' * MAX_Py_ssize_t
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try:
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x = x + '?' # this statement uses a fast path in ceval.c
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except OverflowError:
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pass
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else:
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self.fail("should have raised OverflowError")
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try:
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x += '?' # this statement uses a fast path in ceval.c
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except OverflowError:
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pass
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else:
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self.fail("should have raised OverflowError")
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self.assertEqual(len(x), MAX_Py_ssize_t)
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### the following test is pending a patch
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# (http://mail.python.org/pipermail/python-dev/2006-July/067774.html)
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#@bigaddrspacetest
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#def test_repeat(self):
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# self.assertRaises(OverflowError, operator.mul, 'x', MAX_Py_ssize_t + 1)
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def test_main():
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test_support.run_unittest(StrTest)
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if __name__ == '__main__':
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if len(sys.argv) > 1:
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test_support.set_memlimit(sys.argv[1])
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test_main()
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