LUMIERA.clone/tests/library/thread-wrapper-self-recognition-test.cpp
Ichthyostega 9c74466778 Tests: build an link a test-support library
This is something I wanted to clean-up since a very long time indeed,
but always postponed it, since it requires a lot of nasty clean-up and disentangling....

Several parts had been stashed away into `src/lib/test`, which are not really related:
 * the testrunner and testsuite builder
 * generic helper utilities
 * specialised test-support facilities, e.g. the EventLog

This changeset introduces a new top-level test folder and a namespace `::test`
Code from this folder is linked into a shared library `libtestsupport.so`,
which resides in the linkage hierarchy between »Vessel« and »Vault«,
yet is no longer part of the Lumiera application and only linked into the test-suite.
2026-03-06 23:16:32 +01:00

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/*
ThreadWrapperSelfRecognitionTest(Test) - detect when code is running within a thread
Copyright (C)
2017, Hermann Vosseler <Ichthyostega@web.de>
  **Lumiera** is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by the
  Free Software Foundation; either version 2 of the License, or (at your
  option) any later version. See the file COPYING for further details.
* *****************************************************************/
/** @file thread-wrapper-self-recognition-test.cpp
** unit test \ref ThreadWrapperSelfRecognitionTest_test
*/
#include "test/run.hpp"
#include "lib/thread.hpp"
using test::Test;
namespace lib {
namespace test {
/******************************************************//**
* @test verify the ability of a thread to detect code
* executing within the thread itself.
* @see Thread::invokedWithinThread()
* @see thread::ThreadWrapper::invokedWithinThread()
* @see steam::control::DispatcherLoop::stateIsSynched()
*/
class ThreadWrapperSelfRecognitionTest_test : public Test
{
virtual void
run (Arg)
{
ThreadJoinable<bool> testThread{"Thread self detection"
,[&]{
return testThread.invokedWithinThread();
}};
CHECK (not testThread.invokedWithinThread());
CHECK (testThread.join().get<bool>());
}
};
/** Register this test class... */
LAUNCHER (ThreadWrapperSelfRecognitionTest_test, "function common");
}} // namespace lib::test