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///////////////////////////////////////////////////////////////////////////////
// Name: tests/misc/metatest.cpp
// Purpose: Test template meta-programming constructs
// Author: Jaakko Salli
// Copyright: (c) the wxWidgets team
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#include "testprec.h"
#ifdef __BORLANDC__
# pragma hdrstop
#endif
#include "wx/object.h"
#include "wx/utils.h"
#include "wx/meta/pod.h"
#include "wx/meta/movable.h"
#ifndef wxNO_RTTI
#include <typeinfo>
#endif
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class MetaProgrammingTestCase : public CppUnit::TestCase
{
public:
MetaProgrammingTestCase() { }
private:
CPPUNIT_TEST_SUITE( MetaProgrammingTestCase );
CPPUNIT_TEST( IsPod );
CPPUNIT_TEST( IsMovable );
CPPUNIT_TEST( ImplicitConversion );
CPPUNIT_TEST( MinMax );
CPPUNIT_TEST_SUITE_END();
void IsPod();
void IsMovable();
void ImplicitConversion();
void MinMax();
DECLARE_NO_COPY_CLASS(MetaProgrammingTestCase)
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( MetaProgrammingTestCase );
// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( MetaProgrammingTestCase,
"MetaProgrammingTestCase" );
void MetaProgrammingTestCase::IsPod()
{
CPPUNIT_ASSERT(wxIsPod<bool>::value);
CPPUNIT_ASSERT(wxIsPod<signed int>::value);
CPPUNIT_ASSERT(wxIsPod<double>::value);
#if !defined(__VISUALC__) || wxCHECK_VISUALC_VERSION(7)
CPPUNIT_ASSERT(wxIsPod<wxObject*>::value);
#endif
CPPUNIT_ASSERT(!wxIsPod<wxObject>::value);
}
void MetaProgrammingTestCase::IsMovable()
{
CPPUNIT_ASSERT(wxIsMovable<bool>::value);
CPPUNIT_ASSERT(wxIsMovable<signed int>::value);
CPPUNIT_ASSERT(wxIsMovable<double>::value);
#if !defined(__VISUALC__) || wxCHECK_VISUALC_VERSION(7)
CPPUNIT_ASSERT(wxIsMovable<wxObject*>::value);
#endif
CPPUNIT_ASSERT(!wxIsMovable<wxObject>::value);
}
void MetaProgrammingTestCase::ImplicitConversion()
{
#ifndef wxNO_RTTI
CPPUNIT_ASSERT(typeid(wxImplicitConversionType<char,int>::value) == typeid(int));
CPPUNIT_ASSERT(typeid(wxImplicitConversionType<int,unsigned>::value) == typeid(unsigned));
#ifdef wxLongLong_t
CPPUNIT_ASSERT(typeid(wxImplicitConversionType<wxLongLong_t,float>::value) == typeid(float));
#endif
#endif // !wxNO_RTTI
}
void MetaProgrammingTestCase::MinMax()
{
// test that wxMax(1.1,1) returns float, not long int
float f = wxMax(1.1f, 1l);
CPPUNIT_ASSERT_EQUAL( 1.1f, f);
// test that comparing signed and unsigned correctly returns unsigned: this
// may seem counterintuitive in this case but this is consistent with the
// standard C conversions
CPPUNIT_ASSERT_EQUAL( 1, wxMin(-1, 1u) );
CPPUNIT_ASSERT_EQUAL( -1., wxClip(-1.5, -1, 1) );
CPPUNIT_ASSERT_EQUAL( 0, wxClip(0, -1, 1) );
CPPUNIT_ASSERT_EQUAL( 1, wxClip(2l, -1, 1) );
}
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