8345421: (bf) Create specific test for temporary direct buffers and the buffer size limit

[bplb]

Add a specific test for JDK-8344882.

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Issue

• JDK-8345421: (bf) Create specific test for temporary direct buffers and the buffer size limit (Enhancement - P4)

Reviewers

• Alan Bateman (@AlanBateman - Reviewer)

Reviewing

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[bplb]

The proposed test fails on all platforms before the fix of JDK-8344882 is applied and succeeds afterwards.

[bridgekeeper]

👋 Welcome back bpb! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[bplb]

The noreg-other label will be removed from JDK-8344882 once (if) this request is integrated.

[openjdk]

@bplb This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8345421: (bf) Create specific test for temporary direct buffers and the buffer size limit

Reviewed-by: alanb

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At the time when this comment was updated there had been 140 new commits pushed to the master branch:

• 1e9204f: 8345273: Fix -Wzero-as-null-pointer-constant warnings in s390 code
• c40140e: 8334581: Remove no-arg constructor BasicSliderUI()
• 8de0622: 8345767: javax/swing/JSplitPane/4164779/JSplitPaneKeyboardNavigationTest.java fails in ubuntu22.04
• abcd23f: 8334756: javac crashed on call to non-existent generic method with explicit annotated type arg
• 2ddaa46: 8305010: Test vmTestbase/nsk/jvmti/scenarios/sampling/SP05/sp05t003/TestDescription.java timed out: thread not suspended
• c631719: 8343170: java/awt/Cursor/JPanelCursorTest/JPanelCursorTest.java does not show the default cursor
• 29d648c: 8341781: Improve Min/Max node identities
• 4c39e9f: 8344924: Default CA certificates loaded despite request to use custom keystore
• 0f03554: 8342469: Improve API documentation for java.lang.classfile.instruction
• 9bd70ec: 8345888: Broken links in the JDK 24 JavaDoc API documentation, build 27
• ... and 130 more: https://git.openjdk.org/jdk/compare/a49f0776eb176129f558b6fab3f50e0453f8cbcb...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[openjdk]

@bplb The following label will be automatically applied to this pull request:

• nio

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[mlbridge]

Webrevs

• 02: Full - Incremental (7a537639)
• 01: Full - Incremental (c5f3f8c3)
• 00: Full (36f872ae)

[AlanBateman]

There are some stability issues since the change went in so maybe hold off on adding a test as it's possible the change may have be temporarily reverted.

[bplb]

/integrate

[openjdk]

Going to push as commit cce5808.
Since your change was applied there have been 156 commits pushed to the master branch:

• cf0e1aa: 8345335: Add excluded jdk_foreign tests to manual group
• 2c4567a: 8342651: Refactor array constant to use an array of jbyte
• 72c6daf: 8346007: Incorrect copyright header in UModLNodeIdealizationTests.java
• cc47918: 8345040: Clean up unused variables and code in generate_native_wrapper
• c34b87c: 8345659: Fix broken alignment after ReservedSpace splitting in GC code
• e294899: 8345647: Fix recent NULL usage backsliding in Shenandoah
• d381d58: 8332268: C2: Add missing optimizations for UDivI/L and UModI/L and unify the shared logic with the signed nodes
• 45c914c: 8343607: C2: Shenandoah crashes during barrier expansion in Continuation::enter
• a21d21f: 8345609: [C1] LIR Operations with one input should be implemented as LIR_Op1
• 2382a2d: 8345661: Simplify page size alignment in code heap reservation
• ... and 146 more: https://git.openjdk.org/jdk/compare/a49f0776eb176129f558b6fab3f50e0453f8cbcb...master

Your commit was automatically rebased without conflicts.

[openjdk]

@bplb Pushed as commit cce5808.

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