RFR: 8273369: Computing micros between two instants unexpectedly overflows for some cases [v4]

[Naoto Sato]

On Wed, 8 Sep 2021 00:15:46 GMT, Joe Wang <joehw at openjdk.org> wrote:

>> Naoto Sato has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Moved the constant to LocalTime for consistency.
>
> test/jdk/java/time/test/java/time/TestInstant.java line 102:
> 
>> 100: 
>> 101:     @Test
>> 102:     public void test_microsUntil() {
> 
> A comment about the test might be helpful.

Indeed. Added some comments to the test.

-------------

PR: https://git.openjdk.java.net/jdk/pull/5396