Looks good. Always a good idea to make sure that failures are reported properly. :-)

It does look like the following cases are repeated, in both tests:

    {valueOf(Long.MIN_VALUE+1),          valueOf(Long.MAX_VALUE), MINUS_ONE},
    {valueOf(Long.MIN_VALUE+1).negate(), valueOf(Long.MAX_VALUE), ZERO},

Is this right?

The first four cases are (excuse the poor cross product notation):

    {max, max-1, min, min+1} x {1, -1} compareTo max

but then there's simply

    {min} x {1, -1} compareTo min

followed by the duplicate

    {min+1} x {1, -1} compareTo max

Just following the pattern, I'd expect

    {max, max-1, min, min+1} x {1, -1} compareTo min

though I'm not sure that all of these cases are necessary.

s'marks



On 8/1/13 12:09 PM, Brian Burkhalter wrote:
Reviewers:

This is a test-only issue.

Issue   http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8022094 (not public 
quite yet)
Webrev  http://cr.openjdk.java.net/~bpb/8022094/

Summary:

1) BigDecimal
* The compareToTest() method was modified to correctly print and report errors.
* The set of test cases was changed to eliminate incorrect assumptions.
2) BigInteger
* Old version replaced by copying BigDecimal version and changing BigDecimal to 
BigInteger.
* Fractional test cases were replace with others to probe internal mag array 
having different relative lengths.

Thanks,

Brian

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