AdviceMultiplicity_test Class Reference

Description

Test:

stress test for the Advice system: Concurrently add a multitude of advice provisions and check correct matching and dispatch of all advice.

Todo:

advanced topic, deferred for now (4/10) ////////////////////TICKET #610

See also

advice.hpp

AdviceBasics_test

Definition at line 66 of file advice-multiplicity-test.cpp.

Private Member Functions
void	check_highLoadSimpleMatch ()
void	check_multipleMatch ()
void	check_unlockedDispatch ()
virtual void	run (Arg)

Member Function Documentation

check_highLoadSimpleMatch()

void check_highLoadSimpleMatch ( )

inlineprivate

Test:

run simple pairs of collaborators in multiple threads.

Intentionally, there should be just a single match per pair, but the timings of provision and pickup are chosen randomly

Definition at line 83 of file advice-multiplicity-test.cpp.

check_multipleMatch()

void check_multipleMatch ( )

inlineprivate

Test:

here, one advice might reach multiple advised entities and one entity may receive multiple pieces of advice, overwriting previous advice provisions.

The receiving clients (advised entities) are polling irregularly, but finally should each pick up the correct value. To check this, advice values are generated with a specific pattern, which can be check summed

Definition at line 97 of file advice-multiplicity-test.cpp.

check_unlockedDispatch()

void check_unlockedDispatch ( )

inlineprivate

Test:

when dispatching Advice, some of the locking can be left out.

Obviously this means we can't be sure anymore the client will see the newly dispatched piece of advice. But the main focus of this test is to ensure the advice system itself is working properly even without complete locking. To verify the results, each thread performs a kind of "flush" (actually creates a memory barrier) before picking up the final value

Definition at line 113 of file advice-multiplicity-test.cpp.

Inheritance diagram for AdviceMultiplicity_test:

Collaboration diagram for AdviceMultiplicity_test:

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The documentation for this class was generated from the following file:

• advice-multiplicity-test.cpp