lumiera_/tests/core/steam/control/argument-tuple-accept-test.cpp
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/*
ArgumentTupleAccept(Test) - verify synthesising a bind(...) function
Copyright (C)
2009, 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 argument-tuple-accept-test.cpp
** unit test \ref ArgumentTupleAccept_test
*/
#include "lib/test/run.hpp"
#include "lib/test/test-helper.hpp"
#include "steam/control/argument-tuple-accept.hpp"
#include "lib/meta/tuple-helper.hpp"
#include "lib/meta/function.hpp"
#include "lib/format-cout.hpp"
#include <functional>
#include <tuple>
namespace steam {
namespace control {
namespace test {
using lib::test::showSizeof;
using lib::test::randTime;
using lib::time::TimeVar;
using std::function;
using lib::meta::_Fun;
using lib::meta::Tuple;
namespace { // build a test dummy class....
template<typename SIG>
struct _Tup
{
using Args = typename _Fun<SIG>::Args;
using Ret = typename _Fun<SIG>::Ret;
using Ty = Tuple<Args>;
};
template<typename SIG>
class TestClass
: public AcceptArgumentBinding< SIG // to derive the desired signature
, TestClass<SIG> // the target class providing the implementation
, typename _Tup<SIG>::Ty // base class to inherit from
>
{
using ATuple = typename _Tup<SIG>::Ty;
using RetType = typename _Tup<SIG>::Ret;
public:
RetType
bindArg (ATuple const& tuple)
{
static_cast<ATuple&> (*this) = tuple;
return RetType();
}
};
} // test-helper implementation
/*********************************************************//**
* @test Build a test object, which accepts a bind(...) call
* with specifically typed arguments.
*
* @see control::CommandStorageHolder
*/
class ArgumentTupleAccept_test : public Test
{
virtual void
run (Arg)
{
TestClass<void()> testVoid;
TestClass<int(TimeVar,int)> testTime;
testVoid.bind();
testTime.bind(randTime(),23);
cout << showSizeof(testVoid) << endl;
cout << showSizeof(testTime) << endl;
cout << std::get<0> (testTime) << endl;
CHECK (23 == std::get<1> (testTime));
}
};
/** Register this test class... */
LAUNCHER (ArgumentTupleAccept_test, "unit controller");
}}} // namespace steam::control::test