Ichthyostega
cc9dbd8a40
These are generic vehicles to verify computation structures. Since they are in no way related to our models, they belong into »Vault« layer Furthermore this reorganisation of test support components is prerequisite to also move further generic facilities down into the Vault
128 lines
4.3 KiB
C++
128 lines
4.3 KiB
C++
/*
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OutputSlotProtocol(Test) - covering the basic usage cycle of an output slot
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Copyright (C)
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2011, 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-slot-protocol-test.cpp
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** unit test \ref OutputSlotProtocol_test
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*/
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#include "test/run.hpp"
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#include "steam/play/diagnostic-output-slot.hpp"
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#include "steam/engine/buffhandle.hpp"
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#include "test/test-frame.hpp"
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using test::TestFrame;
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using test::testData;
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using steam::engine::BuffHandle;
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namespace steam {
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namespace play {
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namespace test {
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/***************************************************************//**
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* @test verify the OutputSlot interface and base implementation
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* by performing full data exchange cycle. This is a
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* kind of "dry run" for documentation purposes,
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* both the actual OutputSlot implementation
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* as the client using this slot are Mocks.
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*/
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class OutputSlotProtocol_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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verifyStandardCase();
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}
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void
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verifyStandardCase()
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{
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// Create Test fixture.
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// In real usage, the OutputSlot will be preconfigured
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// (Media format, number of channels, physical connections)
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// and then registered with / retrieved from an OutputManager
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OutputSlot& oSlot = DiagnosticOutputSlot::build();
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// Client claims the OutputSlot
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// and opens it for exclusive use.
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OutputSlot::Allocation& alloc = oSlot.allocate();
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// Now the client is able to prepare
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// "calculation streams" for the individual
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// Channels to be output through this slot.
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OutputSlot::OpenedSinks sinks = alloc.getOpenedSinks();
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DataSink sink1 = *sinks;
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DataSink sink2 = *++sinks;
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// within the frame-calculation "loop"
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// we perform a data exchange cycle
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FrameCnt frameNr = 123;
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BuffHandle buff00 = sink1.lockBufferFor (frameNr);
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BuffHandle buff10 = sink2.lockBufferFor (frameNr);
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// rendering process calculates content....
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buff00.accessAs<TestFrame>() = testData(0,0);
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// while further frames might be processed in parallel
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BuffHandle buff11 = sink2.lockBufferFor (++frameNr);
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buff11.accessAs<TestFrame>() = testData(1,1);
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buff10.accessAs<TestFrame>() = testData(1,0);
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// Now it's time to emit the output
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sink2.emit (frameNr-1, buff10);
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sink2.emit (frameNr , buff11);
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sink1.emit (frameNr-1, buff00);
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// that's all for the client
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// Verify sane operation....
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DiagnosticOutputSlot& checker = DiagnosticOutputSlot::access(oSlot);
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CHECK ( checker.frame_was_allocated (0,123));
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CHECK (!checker.frame_was_allocated (0,124));
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CHECK ( checker.frame_was_allocated (1,123));
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CHECK ( checker.frame_was_allocated (1,124));
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CHECK (checker.output_was_closed (0,0));
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CHECK (checker.output_was_closed (1,0));
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CHECK (checker.output_was_closed (1,1));
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CHECK ( checker.output_was_emitted (0,0));
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CHECK (!checker.output_was_emitted (0,1));
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CHECK ( checker.output_was_emitted (1,0));
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CHECK ( checker.output_was_emitted (1,1));
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DiagnosticOutputSlot::OutFrames stream0 = checker.getChannel(0);
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DiagnosticOutputSlot::OutFrames stream1 = checker.getChannel(1);
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CHECK ( stream0);
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CHECK (*stream0 == testData(0,0)); ++stream0;
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CHECK (!stream0);
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CHECK ( stream1);
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CHECK (*stream1 == testData(1,0)); ++stream1;
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CHECK (*stream1 == testData(1,1)); ++stream1;
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CHECK (!stream1);
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}
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};
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/** Register this test class... */
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LAUNCHER (OutputSlotProtocol_test, "unit play");
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}}} // namespace steam::play::test
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