Ichthyostega
6207f475eb
Building a correct processing-identification is a complex and challenging task; only some aspects can be targeted and implemented right now, as part of the »Playback Vertical Slice« * components of the ProcID * parsing the argument-spec * dispatch of detail information function to retrieve source ports
89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
/*
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FunHashDispatch(Test) - verify dispatching of opaque functions keyed by hash-ID
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Copyright (C)
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2025, Hermann Vosseler <Ichthyostega@web.de>
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**Lumiera** is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version. See the file COPYING for further details.
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* *****************************************************************/
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/** @file fun-hash-dispatch-test.cpp
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** unit test \ref FunHashDispatch_test
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*/
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#include "lib/test/run.hpp"
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#include "lib/test/test-helper.hpp"
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#include "lib/fun-hash-dispatch.hpp"
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#include "lib/format-obj.hpp"
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#include "lib/test/diagnostic-output.hpp"////////////////////TODO
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//#include "lib/util.hpp"
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//#include <cstdlib>
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#include <string>
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namespace lib {
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namespace test{
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using std::string;
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using util::toString;
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/***********************************************************************************//**
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* @test Verify generic helper to provide a hash-based function dispatch table.
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* - instances are tied to one specific function signature
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* - entries are keyed by a hash-ID
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* - given that ID, the registered functions can be invoked
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* - once enrolled, entries can not be replaced
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* @see fun-hash-dispatch.hpp
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* @see NodeMeta_test
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*/
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class FunHashDispatch_test
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: public Test
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{
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void
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run (Arg)
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{
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FunHashDispatch<string(int)> dispatch;
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auto one = [](int i) { return toString(i); };
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auto two = [](int i) { return string(size_t(i),'*'); };
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auto* res = dispatch.enrol (1, one);
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CHECK (res == one);
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CHECK (dispatch.contains(1));
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CHECK (dispatch.select(1)(42) == "42"_expect);
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dispatch.enrol (2, two);
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CHECK (dispatch.contains(1));
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CHECK (dispatch.contains(2));
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CHECK (dispatch.select(1)(5) == "5"_expect);
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CHECK (dispatch.select(2)(5) == "*****"_expect);
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res = dispatch.enrol (1,two);
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CHECK (res == one);
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res = dispatch.enrol (3,two);
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CHECK (res == two);
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CHECK (dispatch.select(3)(2) == "**"_expect);
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VERIFY_FAIL ("Expect function for given hash"
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, dispatch.select(5) );
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}
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};
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/** Register this test class... */
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LAUNCHER (FunHashDispatch_test, "unit common");
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}} // namespace lib::test
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