tests: for consistent output flush between writing sterr and stdout
Because stdout and stderr are buffered, the order of the output is other way
around on some systems.
Check whether size of generaldelta revlog is not bigger than its
regular equivalent. Test would fail if generaldelta was naive
implementation of parentdelta: third manifest revision would be fully
inserted due to big distance from its paren revision (zero).
$ hg init repo
$ cd repo
$ echo foo > foo
$ echo bar > bar
$ hg commit -q -Am boo
$ hg clone --pull . ../gdrepo -q --config format.generaldelta=yes
$ for r in 1 2 3; do
> echo $r > foo
> hg commit -q -m $r
> hg up -q -r 0
> hg pull . -q -r $r -R ../gdrepo
> done
$ cd ..
>>> import os
>>> regsize = os.stat("repo/.hg/store/00manifest.i").st_size
>>> gdsize = os.stat("gdrepo/.hg/store/00manifest.i").st_size
>>> if regsize < gdsize:
... print 'generaldata increased size of manifest'