Christian wrote:

> On Do, 21 Mär 2019, Bram Moolenaar wrote:
> > Ah, that makes sense.  Although it makes me wonder if we need this value
> > at all.  We can just remove "min" and everything works.
> 
> okay, so how about this then:

Yeah, that's what I also did.

> > When this fails, what are the values?  Perhaps this should also use
> > assert_inrange()?
> 
> function RunTheTest[40]..Test_memory_func_capture_vargs line 24: 
> Expected 17548 but got 17832
> 
> I am not sure why it is actually larger than expected. Also the test 
> mentions:
> 
> ,----
> | " In this case, garbase collecting is not needed.
> | call assert_equal(after.last, after.max)
> `----
> 
> So max is larger than last. Does that mean, that garbage collection has 
> already kicked in and released some memory?

It's very well possible that the system cleans up some stuff.
It's less than a 2% difference.  How about this:

  " Estimate the limit of max usage as 2x initial usage.
  call assert_inrange(before, 2 * before, after.max)
  " In this case, garbage collecting is not needed.  The value might fluctuate
  " a bit, allow for 3% tolerance.
  call assert_inrange(after.last * 97 / 100, after.last * 103 / 100, after.max)

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