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#!/bin/sh
#
# revlog.parseindex must be able to parse the index file even if
# an index entry is split between two 64k blocks. The ideal test
# would be to create an index file with inline data where
# 64k < size < 64k + 64 (64k is the size of the read buffer, 64 is
# the size of an index entry) and with an index entry starting right
# before the 64k block boundary, and try to read it.
#
# We approximate that by reducing the read buffer to 1 byte.
#
hg init a
cd a
echo abc > foo
hg add foo
hg commit -m 'add foo' -d '1000000 0'
echo >> foo
hg commit -m 'change foo' -d '1000001 0'
hg log -r 0:
cat >> test.py << EOF
from mercurial import changelog, util
from mercurial.node import *
class singlebyteread(object):
def __init__(self, real):
self.real = real
def read(self, size=-1):
if size == 65536:
size = 1
return self.real.read(size)
def __getattr__(self, key):
return getattr(self.real, key)
def opener(*args):
o = util.opener(*args)
def wrapper(*a):
f = o(*a)
return singlebyteread(f)
return wrapper
cl = changelog.changelog(opener('.hg/store'))
print len(cl), 'revisions:'
for r in cl:
print short(cl.node(r))
EOF
python test.py
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