105 lines
3.0 KiB
Python
105 lines
3.0 KiB
Python
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import unittest
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import struct
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import sys
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from test import test_support, string_tests
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class StrTest(
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string_tests.CommonTest,
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string_tests.MixinStrUnicodeUserStringTest,
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string_tests.MixinStrUserStringTest,
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string_tests.MixinStrUnicodeTest,
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):
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type2test = str
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# We don't need to propagate to str
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def fixtype(self, obj):
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return obj
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def test_formatting(self):
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string_tests.MixinStrUnicodeUserStringTest.test_formatting(self)
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self.assertRaises(OverflowError, '%c'.__mod__, 0x1234)
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def test_conversion(self):
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# Make sure __str__() behaves properly
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class Foo0:
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def __unicode__(self):
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return u"foo"
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class Foo1:
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def __str__(self):
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return "foo"
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class Foo2(object):
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def __str__(self):
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return "foo"
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class Foo3(object):
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def __str__(self):
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return u"foo"
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class Foo4(unicode):
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def __str__(self):
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return u"foo"
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class Foo5(str):
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def __str__(self):
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return u"foo"
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class Foo6(str):
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def __str__(self):
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return "foos"
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def __unicode__(self):
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return u"foou"
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class Foo7(unicode):
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def __str__(self):
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return "foos"
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def __unicode__(self):
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return u"foou"
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class Foo8(str):
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def __new__(cls, content=""):
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return str.__new__(cls, 2*content)
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def __str__(self):
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return self
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class Foo9(str):
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def __str__(self):
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return "string"
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def __unicode__(self):
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return "not unicode"
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self.assert_(str(Foo0()).startswith("<")) # this is different from __unicode__
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self.assertEqual(str(Foo1()), "foo")
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self.assertEqual(str(Foo2()), "foo")
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self.assertEqual(str(Foo3()), "foo")
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self.assertEqual(str(Foo4("bar")), "foo")
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self.assertEqual(str(Foo5("bar")), "foo")
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self.assertEqual(str(Foo6("bar")), "foos")
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self.assertEqual(str(Foo7("bar")), "foos")
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self.assertEqual(str(Foo8("foo")), "foofoo")
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self.assertEqual(str(Foo9("foo")), "string")
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self.assertEqual(unicode(Foo9("foo")), u"not unicode")
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def test_expandtabs_overflows_gracefully(self):
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# This test only affects 32-bit platforms because expandtabs can only take
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# an int as the max value, not a 64-bit C long. If expandtabs is changed
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# to take a 64-bit long, this test should apply to all platforms.
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# Jython uses a different algorithm for which overflows cannot occur;
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# but memory exhaustion of course can. So not applicable.
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if sys.maxint > (1 << 32) or test_support.is_jython or struct.calcsize('P') != 4:
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return
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self.assertRaises(OverflowError, 't\tt\t'.expandtabs, sys.maxint)
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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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test_main()
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