RFR(XXS): 8214125: [test] Fix comparison between pointer and integer in test_ptrQueueBufferAllocator.cpp

[Thomas Schatzl]

Hi,

On Tue, 2018-11-20 at 17:02 +0100, Volker Simonis wrote:
> Hi,
> 
> can I please have a review fort he following trivial gtest fix which
> currently breaks the AIX build:
> 
> http://cr.openjdk.java.net/~simonis/webrevs/2018/8214125/
> https://bugs.openjdk.java.net/browse/JDK-8214125
> 
> Change JDK-8213352 introduced an gtest which does a comparison
> between
> an integer and a pointer which is forbidden in C++:
> 
>     ASSERT_EQ(NULL, nodes[i]->next());
> 
> I don't know why other compilers havn't complained about it, but XLC
> did.
> 
> The fix for this is trivial - just cast NULL to the appropriate
> pointer type:
> 
>     ASSERT_EQ((BufferNode*)NULL, nodes[i]->next());
> 

  ship it.

Thomas