lidavidm commented on a change in pull request #11958:
URL: https://github.com/apache/arrow/pull/11958#discussion_r769611038
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File path: cpp/src/arrow/util/async_util_test.cc
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@@ -158,6 +158,22 @@ TYPED_TEST(TypedTestAsyncTaskGroup, Error) {
ASSERT_FINISHES_AND_RAISES(Invalid, task_group.End());
}
+TYPED_TEST(TypedTestAsyncTaskGroup, ErrorWhileNotEmpty) {
+ TypeParam task_group;
+ Future<> pending_task = Future<>::Make();
+ Future<> will_fail_task = Future<>::Make();
+ Future<> after_fail_task = Future<>::Make();
+ ASSERT_OK(task_group.AddTask([pending_task] { return pending_task; }));
+ ASSERT_OK(task_group.AddTask([will_fail_task] { return will_fail_task; }));
+ ASSERT_OK(task_group.AddTask([after_fail_task] { return after_fail_task; }));
+ Future<> end = task_group.End();
+ AssertNotFinished(end);
+ pending_task.MarkFinished();
+ will_fail_task.MarkFinished(Status::Invalid("XYZ"));
+ after_fail_task.MarkFinished();
Review comment:
The group will complete even if the last task is not completed, right?
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