Re: [JGIT PATCH] Fix WindowCacheGetTest.testCache_TooSmallLimit failures

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Robin Rosenberg <robin.rosenberg.lists@xxxxxxxxxx> wrote:
> l?rdag 25 juli 2009 22:00:56 skrev "Shawn O. Pearce" <spearce@xxxxxxxxxxx>:
> > Ever since 2d77d30b5f when I rewrote WindowCache we have been seeing
> > random failures inside of the TooSmallLimit test case.
> > 
> > These test failures have been occurring because the cache contained
> > more open bytes than it was configured to permit.
> > 
> > The cache was permitted to open more bytes than its configured limit
> > because the eviction routine was always skipping the last bucket
> > under some conditions.  If the cache table was sized the same as its
> > evictBatch, which happens for any fairly small table, the eviction
> > routine broke too early if it started at a non-zero position in the
> > table and wrapped around during its search.  By breaking too early
> > the routine did not actually perform an eviction, leaving windows
> > open it should have closed.
> 
> We should have a test for that then.

We did, this one.  :-)

-- 
Shawn.
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