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More bug 460020. Disable a number of long optimizations for long subclasses.

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This commit is contained in:
Tim Peters 2001-09-11 22:31:33 +00:00
parent 0280cf79a7
commit 69c2de3ad6
2 changed files with 39 additions and 18 deletions
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24
Lib/test/test_descr.py
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@ -1389,6 +1389,30 @@ def inherits():
a = octlong(12345)
verify(long(a) == 12345L)
verify(long(a).__class__ is long)
verify((+a).__class__ is long)
verify((-a).__class__ is long)
verify((-octlong(0)).__class__ is long)
verify((a >> 0).__class__ is long)
verify((a << 0).__class__ is long)
verify((a - 0).__class__ is long)
verify((a * 1).__class__ is long)
verify((a ** 1).__class__ is long)
verify((a // 1).__class__ is long)
verify((1 * a).__class__ is long)
verify((a | 0).__class__ is long)
verify((a ^ 0).__class__ is long)
verify((a & -1L).__class__ is long)
verify((octlong(0) << 12).__class__ is long)
verify((octlong(0) >> 12).__class__ is long)
verify(abs(octlong(0)).__class__ is long)
# Because octlong overrides __add__, we can't check the absence of +0
# optimizations using octlong.
class longclone(long):
pass
a = longclone(1)
verify((a + 0).__class__ is long)
verify((0 + a).__class__ is long)
class precfloat(float):
__slots__ = ['prec']