Re: RFR: 8273369: Computing micros between two instants unexpectedly overflows for some cases [v5]
On Wed, 8 Sep 2021 15:35:27 GMT, Stephen Colebourne wrote: > `toEpochMilli()` overflows at large/small values. Thus any attempt to > calculate the difference between two very large instants would fail. Thanks. Fixed. - PR: https://git.openjdk.java.net/jdk/pull/5396
Re: RFR: 8273369: Computing micros between two instants unexpectedly overflows for some cases [v5]
On Wed, 8 Sep 2021 00:36:29 GMT, Naoto Sato wrote: >> Please review the fix to the issue. Avoiding overflow by not calling >> nanosUntil() directly, which will overflow beyond Long.MAX_VALUE difference >> in nano unit. > > Naoto Sato has updated the pull request incrementally with one additional > commit since the last revision: > > Added comments for the test. `toEpochMilli()` overflows at large/small values. Thus any attempt to calculate the difference between two very large instants would fail. - PR: https://git.openjdk.java.net/jdk/pull/5396
Re: RFR: 8273369: Computing micros between two instants unexpectedly overflows for some cases [v5]
On Wed, 8 Sep 2021 13:58:59 GMT, Stephen Colebourne wrote: > This change looks fine, but I think you also need a `millisUntil` private > method to fix the identical overflow problem with millis (which might as well > be fixed now). `until()` for millis simply subtracts its `toEpochMilli()` from the end Instant's, so I am not sure that would cause the same false `ArithmeticException`. Can you please elaborate more? - PR: https://git.openjdk.java.net/jdk/pull/5396
Re: RFR: 8273369: Computing micros between two instants unexpectedly overflows for some cases [v5]
On Wed, 8 Sep 2021 00:36:29 GMT, Naoto Sato wrote: >> Please review the fix to the issue. Avoiding overflow by not calling >> nanosUntil() directly, which will overflow beyond Long.MAX_VALUE difference >> in nano unit. > > Naoto Sato has updated the pull request incrementally with one additional > commit since the last revision: > > Added comments for the test. This change looks fine, but I think you also need a `millisUntil` private method to fix the identical overflow problem with millis (which might as well be fixed now). - PR: https://git.openjdk.java.net/jdk/pull/5396
Re: RFR: 8273369: Computing micros between two instants unexpectedly overflows for some cases [v5]
On Wed, 8 Sep 2021 00:36:29 GMT, Naoto Sato wrote: >> Please review the fix to the issue. Avoiding overflow by not calling >> nanosUntil() directly, which will overflow beyond Long.MAX_VALUE difference >> in nano unit. > > Naoto Sato has updated the pull request incrementally with one additional > commit since the last revision: > > Added comments for the test. Marked as reviewed by rriggs (Reviewer). - PR: https://git.openjdk.java.net/jdk/pull/5396
Re: RFR: 8273369: Computing micros between two instants unexpectedly overflows for some cases [v5]
On Wed, 8 Sep 2021 00:36:29 GMT, Naoto Sato wrote: >> Please review the fix to the issue. Avoiding overflow by not calling >> nanosUntil() directly, which will overflow beyond Long.MAX_VALUE difference >> in nano unit. > > Naoto Sato has updated the pull request incrementally with one additional > commit since the last revision: > > Added comments for the test. Marked as reviewed by joehw (Reviewer). - PR: https://git.openjdk.java.net/jdk/pull/5396
Re: RFR: 8273369: Computing micros between two instants unexpectedly overflows for some cases [v5]
> Please review the fix to the issue. Avoiding overflow by not calling > nanosUntil() directly, which will overflow beyond Long.MAX_VALUE difference > in nano unit. Naoto Sato has updated the pull request incrementally with one additional commit since the last revision: Added comments for the test. - Changes: - all: https://git.openjdk.java.net/jdk/pull/5396/files - new: https://git.openjdk.java.net/jdk/pull/5396/files/bbd6abc3..ccf73bf7 Webrevs: - full: https://webrevs.openjdk.java.net/?repo=jdk=5396=04 - incr: https://webrevs.openjdk.java.net/?repo=jdk=5396=03-04 Stats: 5 lines in 1 file changed: 5 ins; 0 del; 0 mod Patch: https://git.openjdk.java.net/jdk/pull/5396.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/5396/head:pull/5396 PR: https://git.openjdk.java.net/jdk/pull/5396
