Bug 11867 (ae-handle-throw) - AggregateException.Handle should let the predicate throw
Summary: AggregateException.Handle should let the predicate throw
Alias: ae-handle-throw
Product: Class Libraries
Classification: Mono
Component: mscorlib ()
Version: master
Hardware: All All
: --- normal
Target Milestone: Untriaged
Assignee: Bugzilla
Depends on:
Reported: 2013-04-19 15:59 UTC by Aaron Oneal
Modified: 2013-04-24 04:32 UTC (History)
3 users (show)

Is this bug a regression?: ---
Last known good build:

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Description Aaron Oneal 2013-04-19 15:59:22 UTC
The try/catch around the predicate in Mono's AggregateException.Handle needs to be removed so that predicates can throw an unwrapped exception.

According to MSDN:

"If any invocations of the predicate throws an exception, it will halt the processing of any more exceptions and immediately propagate the thrown exception as-is."

Right now Mono is catching any exceptions thrown from the predicate and wrapping it in an AggregateException before rethrowing, which prevents a common pattern of using Handle to unwrap an AggregateException to throw a clean one.
Comment 1 Marek Safar 2013-04-24 04:32:01 UTC
Fixed in master