8156142: ModuleReader instances don't always throw NPE for passed null args

[Sundararajan Athijegannathan]

Looks good

-Sundar


On 5/25/2016 5:19 PM, Alan Bateman wrote:
>
> Another trivial patch, this time it's the ModuleReader for the system
> modules is missing a null check so that it doesn't throw the expected
> NPE. The patch is to mostly just expand test coverage.
>   http://cr.openjdk.java.net/~alanb/8156142/webrev/
>
> Thanks,
> Alan