Ichthyostega
7dee16ba90
building upon all the preparations done during the last days, the compound of code connected to the `BufferProvide` can now be migrated down into the vault: - `BuffHandle` - `BufferProvider` - `BufferMetadata` - `BufferProviderSetup` - the simple standard implementations - `DiagnosticBufferProvider` - all directly related unit tests
97 lines
3.2 KiB
C++
97 lines
3.2 KiB
C++
/*
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OutputProxyProvider(Test) - verify accessing an output sink via BufferProvider protocol
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Copyright (C)
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2024, 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 output-proxy-provider-test.cpp
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** unit test \ref OutputProxyProvider_test
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*/
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#include "test/run.hpp"
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#include "test/test-frame.hpp"
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#include "test/test-rand-ontology.hpp"
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#include "vault/mem/buffer-proxy-adaptor.hpp"
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#include "lib/meta/prop-builder.hpp"
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#include "test/diagnostic-output.hpp" ////////////////////TODO
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using test::TestFrame;
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using test::ont::manipulateFrame;
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using lib::meta::PropBuilder;
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namespace vault {
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namespace mem {
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namespace test {
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/***************************************************************//**
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* @test verify the design of OutputSlot and BufferProvider by
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* implementing a delegating BufferProvider to expose
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* output data buffers provided from _some implementation._
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* @todo 2/2026 now using this setup for prototyping /////////////////////////////////////////////////TICKET #1415 : explore this design idea through prototyping
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*/
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class OutputProxyProvider_test : public Test
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{
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virtual void
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run (Arg)
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{
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BufferState state{NIL};
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// setup with notification callback
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BufferProxyAdaptor proxPro{PropBuilder()
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.define (PROP_FIELD(on_lock), [&]{ state = LOCKED; })
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.define (PROP_FIELD(on_emit), [&]{ state = EMITTED;})
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.define (PROP_FIELD(on_release),[&]{ state = FREE; })
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};
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// Assuming some data block is »given«
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seedRand();
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size_t frameNr = defaultGen.u64();
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TestFrame dataBlock (frameNr);
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CHECK (dataBlock.isPristine());
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CHECK (state == NIL);
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BuffHandle handle = proxPro.lockBuffer (dataBlock);
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CHECK (state == LOCKED);
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// Now a »client« can do awful things to the buffer...
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CHECK (handle.isValid());
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auto& data = handle.accessAs<TestFrame>();
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uint64_t param = defaultGen.u64();
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manipulateFrame (&data, &data, param);
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HashVal check = data.getChecksum();
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// »client« is done...
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handle.emit();
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CHECK (state == EMITTED);
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// end usage cycle
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handle.release();
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CHECK (state == FREE);
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CHECK (not handle.isValid());
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CHECK (not dataBlock.isPristine());
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CHECK ( dataBlock.isValid());
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CHECK (check == dataBlock.getChecksum());
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}
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};
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/** Register this test class... */
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LAUNCHER (OutputProxyProvider_test, "unit play");
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}}} // namespace vault::mem::test
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