RFR 8159126 Add test to validate DriverManager.println output when DriverManager is initially loaded

[Lance Andersen]

> On Sep 12, 2016, at 1:55 PM, Paul Sandoz <paul.sandoz at oracle.com> wrote:
> 
> 
>> On 12 Sep 2016, at 10:15, Lance Andersen <lance.andersen at oracle.com <mailto:lance.andersen at oracle.com>> wrote:
>>> 
>>> Suggestion:
>>> 
>>>  70         try (BufferedReader reader = new BufferedReader(new CharArrayReader(cw.toCharArray()))) {
>>>  71             boolean result
>>>  72                     = reader.lines().anyMatch(
>>>  73                             line -> line.matches(".*JDBC DriverManager initialized.*"));
>>>  74             assertFalse(result);
>>> 
>>> 
>>> Change anyMatch, to noneMatch, and assertTrue (note if the stream is empty none is “vacuously” satisfied and will return true).
>> 
>> Thank you Paul.  I can make that change, was not sure (if one was faster than the other)
>> 
> 
> Both will short-circuiting when the predicate returns true, speed-wise it should not be an issue.

Okie dokie, thank you for the clarification
> Arguably, noneMatch better expresses the intent of that is being tested.
Fair point.  

Updated the webrev: http://cr.openjdk.java.net/~lancea/8159126/webrev.01/ <http://cr.openjdk.java.net/~lancea/8159126/webrev.01/>

Waiting for JPRT to also finish, clean  run (as expected) on my Mac
> 
> Paul.

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 <http://oracle.com/us/design/oracle-email-sig-198324.gif>Lance Andersen| Principal Member of Technical Staff | +1.781.442.2037
Oracle Java Engineering 
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Lance.Andersen at oracle.com <mailto:Lance.Andersen at oracle.com>