pypy: fix doctests for pypy optimizations
PyPy would sometime call __len__ at points where it things preallocating
the container makes sense. Change the doctests so they're using generator
expressions and not list comprehensions
--- a/mercurial/revset.py Sat Mar 19 15:31:13 2016 +0100
+++ b/mercurial/revset.py Thu Mar 31 18:38:08 2016 +0200
@@ -3060,7 +3060,8 @@
iterate unsorted:
>>> rs = addset(xs, ys)
- >>> [x for x in rs] # without _genlist
+ >>> # (use generator because pypy could call len())
+ >>> list(x for x in rs) # without _genlist
[0, 3, 2, 5, 4]
>>> assert not rs._genlist
>>> len(rs)
@@ -3071,7 +3072,8 @@
iterate ascending:
>>> rs = addset(xs, ys, ascending=True)
- >>> [x for x in rs], [x for x in rs.fastasc()] # without _asclist
+ >>> # (use generator because pypy could call len())
+ >>> list(x for x in rs), list(x for x in rs.fastasc()) # without _asclist
([0, 2, 3, 4, 5], [0, 2, 3, 4, 5])
>>> assert not rs._asclist
>>> len(rs)
@@ -3082,7 +3084,8 @@
iterate descending:
>>> rs = addset(xs, ys, ascending=False)
- >>> [x for x in rs], [x for x in rs.fastdesc()] # without _asclist
+ >>> # (use generator because pypy could call len())
+ >>> list(x for x in rs), list(x for x in rs.fastdesc()) # without _asclist
([5, 4, 3, 2, 0], [5, 4, 3, 2, 0])
>>> assert not rs._asclist
>>> len(rs)