RFR: 8299684: (bf) JNI direct buffer functions with large capacity behave unexpectedly [v16]

[Alan Bateman]

On Thu, 19 Jan 2023 07:42:54 GMT, David Holmes <dholmes at openjdk.org> wrote:

> How is `allocateMemory` going to respond to these illegal capacity requests?
> 
> If we expect `newDirectByteBuffer` to throw then can't we use a dummy buffer value as it will never be used?

For illegalCapacities it should call allocateMemory with some fixed value, say 1, not capacity. Surprised the allocateMemory isn't failing for the test inputs.

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PR: https://git.openjdk.org/jdk/pull/11873