Integrated: 8285295: Need better testing for IdentityHashMap

[Stuart Marks]

On Fri, 22 Apr 2022 03:37:27 GMT, Stuart Marks <smarks at openjdk.org> wrote:

> Basic but fairly comprehensive set of tests for `IdentityHashMap`. The patch in the bug report that breaks `IdentityHashMap` now causes several cases in this new test to fail. There's more that could be done, but the new tests cover most of the core functions of `IdentityHashMap`. Unfortunately it seems difficult to merge this with the existing, comprehensive Collections tests (e.g., MOAT.java) because those tests implicity rely on `equals()`-based contract instead of the special-purpose `==`-based contract used by `IdentityHashMap`.

This pull request has now been integrated.

Changeset: 5a1d8f7e
Author:    Stuart Marks <smarks at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/5a1d8f7e5358d823e9bdeab8056b1de2b050f939
Stats:     678 lines in 1 file changed: 678 ins; 0 del; 0 mod

8285295: Need better testing for IdentityHashMap

Reviewed-by: jpai, lancea

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PR: https://git.openjdk.java.net/jdk/pull/8354