Ichthyostega
24b3bec4be
Doxygen will only process files with a @file documentation comment. Up to now, none of our test code has such a comment, preventing the cross-links to unit tests from working. This is unfortunate, since unit tests, and even the code comments there, can be considered as the most useful form of technical documentation. Thus I'll start an initiative to fill in those missing comments automatically
134 lines
3.7 KiB
C++
134 lines
3.7 KiB
C++
/*
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CommandMessageBinding(Test) - verify argument binding via GenNode-Message, with immutable types
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Copyright (C) Lumiera.org
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2016, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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/** @file command-message-binding-test.cpp
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** unit test §§TODO§§
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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 "proc/control/command-def.hpp"
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#include "lib/time/timevalue.hpp"
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#include "lib/diff/gen-node.hpp"
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namespace proc {
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namespace control {
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namespace test {
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using lib::time::Time;
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using lib::time::TimeVar;
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using lib::time::TimeValue;
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using lib::time::TimeSpan;
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using lib::time::Duration;
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using lib::test::randTime;
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using lib::diff::Rec;
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namespace { // functions to be invoked through the command system
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TimeVar implicitTestState;
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void
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operate (Duration dur)
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{
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implicitTestState += dur;
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}
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TimeVar
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capture (Duration)
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{
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return implicitTestState;
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}
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void
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undoIt (Duration, TimeVar oldVal)
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{
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implicitTestState = oldVal;
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}
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}
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/***********************************************************************//**
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* @test verify the simple standard usage pattern, where command arguments
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* for binding are passed via UI-Bus message with GenNode elements.
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* This is a simplified demonstration, but covers some tricky aspects.
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* - commands may define arguments of arbitrary type, and at runtime
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* these are initialised from the set of standard types allowed
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* within GenNode elements. Here the Duration is initialised from
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* a TimeSpan object
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* - we support immutable argument types, which means the command binding
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* machinery works without (re)assignment, only copy construction of
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* argument holders into an inline buffer.
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*
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* @see BusTerm_test
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* @see TupleRecordInit_test
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*/
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class CommandMessageBinding_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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Time five(TimeValue(5));
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implicitTestState = five;
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CommandDef ("test.command2")
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.operation (operate)
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.captureUndo (capture)
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.undoOperation (undoIt)
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;
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TimeSpan testSpan (randTime(), randTime());
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Rec argMsg {testSpan};
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// bind the command argument from a GenNode message
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Command ourCmd = Command::get("test.command2");
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CHECK (not ourCmd.canExec());
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ourCmd.bindArg (argMsg);
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CHECK (ourCmd.canExec());
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// invoke the command
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ourCmd();
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CHECK (implicitTestState == five + Duration(testSpan));
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// undo the effect of the command
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ourCmd.undo();
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CHECK (implicitTestState == five);
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}
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};
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/** Register this test class... */
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LAUNCHER (CommandMessageBinding_test, "unit controller");
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}}} // namespace proc::control::test
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