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import py, sys
from pypy.module.pypyjit.test_pypy_c.test_00_model import BaseTestPyPyC
class TestAlloc(BaseTestPyPyC):
SIZES = dict.fromkeys([2 ** n for n in range(26)] + # up to 32MB
[2 ** n - 1 for n in range(26)])
def test_newstr_constant_size(self):
for size in sorted(TestAlloc.SIZES):
yield self.newstr_constant_size, size
def newstr_constant_size(self, size):
print 'size =', size
src = """if 1:
N = %(size)d
part_a = 'a' * N
part_b = 'b' * N
for i in range(20):
ao = '%%s%%s' %% (part_a, part_b)
def main():
return 42
""" % {'size': size}
log = self.run(src, [], threshold=10)
assert log.result == 42
loop, = log.loops_by_filename(self.filepath)
# assert did not crash
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