6962045: TEST_BUG: Tests in test/java/io/Serializable leave files open

[Mandy Chung]

Looks good to me.

Thanks
Mandy

Alan Bateman wrote:
>
> Many of the serialization tests leave files open and this causes 
> problems, particularly on Windows, when running these tests in jtreg 
> samevm mode. One failure can cascade and cause all subsequent tests to 
> fail.
>
> I've taken a pass over these tests so that all 115 now pass in this 
> mode. The changes are trivial and are mostly just the addition of a 
> finally block to close the streams. I've kept the changes to a minimum 
> and more work could be done if anyone has cycles. In particular there 
> are several tests that close their files but only when the test 
> passes. One idea is to take a pass over these tests once ARM blocks 
> are in and stable. I've changed one test to run in othervm mode as it 
> requires a security manager (and I'm assuming we're not all at jtreg 
> 4.1 yet).  There are two tests that assumed the test is loaded by the 
> system class loader. Otherwise all the changes are trivial.
>
> I've put the webrev here:
>  http://cr.openjdk.java.net/~alanb/6962045/webrev/
>
> -Alan.