RFR(XXS) : 8177709 : Convert TestVirtualSpace_test to GTest

[Thomas Stüfe]

On Wed, Oct 17, 2018 at 8:29 PM Igor Ignatyev <igor.ignatyev at oracle.com> wrote:
>
> Hi Thomas,
>
> 1st of all, thanks for looking at it, appreciate that.
>
> it seems we can. there are two ways I can fix that either replace ASSERT by EXCEPT or introduce a text fixture w/ SetUp and TearDown. which do you prefer?
>
> -- Igor

Slight preference for SetUp/TearDown (EXCEPT would quit the testing
altogether, wont it?).

Lazy me would have just used an RAII object like this:

struct Cleaner {
  ReservedSpace* rs;
  ~Cleaner() { rs.release(); }
};

But I leave it up to you.

... Thomas

>
> > On Oct 17, 2018, at 11:16 AM, Thomas Stüfe <thomas.stuefe at gmail.com> wrote:
> >
> > Hi Igor,
> >
> > test_virtual_space_actual_committed_space() and
> > actual_committed_space_one_large_page():
> >
> > Won't we leak the reserved space now when we run into an ASSERT and
> > then continue with the next gtests?
> >
> > Cheers, Thomas
> >
> > On Wed, Oct 17, 2018 at 7:55 PM Igor Ignatyev <igor.ignatyev at oracle.com> wrote:
> >>
> >> http://cr.openjdk.java.net/~iignatyev//8177709/webrev.00/index.html
> >>> 141 lines changed: 140 ins; 1 del; 0 mod;
> >>
> >> Hi all,
> >>
> >> could you please review this small (and hopefully trivial) patch which converts internal TestVirtualSpace_test to gtest?
> >> again, the old test is still used by WhiteBox::runMemoryUnitTests, the old code hasn't been removed. it will be removed later when all 4 tests used by runMemoryUnitTests are converted.
> >>
> >> for the sake of reviewer, http://hg.openjdk.java.net/jdk/jdk/file/2e928420389d/src/hotspot/share/memory/virtualspace.cpp#l1261 is the old version.
> >>
> >> webrev: http://cr.openjdk.java.net/~iignatyev//8177709/webrev.00/index.html
> >> JBS: https://bugs.openjdk.java.net/browse/JDK-8177709
> >> testing:
> >> - converted tests on linux-x64, windows-x64, macosx-x64, solaris-sparcv9 in product and fastdebug variants
> >> - build w/ precompiled-headers enabled and disabled
> >>
> >> Thanks,
> >> -- Igor
>