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fix(tests): flaky test local_poll_adapter deferred_success#16909

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weihanglo merged 1 commit intorust-lang:masterfrom
arlosi:fix-flaky-local-poll
Apr 19, 2026
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fix(tests): flaky test local_poll_adapter deferred_success#16909
weihanglo merged 1 commit intorust-lang:masterfrom
arlosi:fix-flaky-local-poll

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@arlosi arlosi commented Apr 19, 2026

The deferred_success test used a timer to create a task future that would yield. Sometimes the timer was short enough that it had elapsed by the time it was supposed to yield, so the task didn't yield as the test expected.

This change replaces the timer with a future that always yields exactly once.

Fixes #16907

The deferred_success test used a timer to create a task
future that would yield. Sometimes the timer was short
enough that it had elapsed, so the task didn't yield in
as the test expected.

This change replaces the timer with a future that always
yields exactly once.
@rustbot rustbot added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Apr 19, 2026
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rustbot commented Apr 19, 2026

r? @epage

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The reviewer was selected based on:

  • Owners of files modified in this PR: @ehuss, @epage, @weihanglo
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Good to move away from time-based test.

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@weihanglo weihanglo added this pull request to the merge queue Apr 19, 2026
Merged via the queue into rust-lang:master with commit c3dbe6e Apr 19, 2026
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@rustbot rustbot removed the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Apr 19, 2026
@arlosi arlosi deleted the fix-flaky-local-poll branch April 19, 2026 13:23
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util::local_poll_adapter::tests::deferred_success test looks little bit too flaky

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