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/*=========================================================================
Program: Visualization Toolkit
Module: ObjectFactory.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkSetGet.h"
template <typename T1, typename T2>
static void myFunc1(T1* p1, T2* p2)
{
*p2 = T2(*p1);
}
static bool RunTemplate2Macro1(int tIn, void* pIn,
int tOut, void* pOut)
{
switch (vtkTemplate2PackMacro(tIn, tOut))
{
// Test implicit deduction of multiple template arguments.
vtkTemplate2Macro(myFunc1(static_cast<VTK_T1*>(pIn),
static_cast<VTK_T2*>(pOut)));
default:
// Unknown input or output VTK type id.
return false;
}
return true;
}
template <typename T1, typename T2>
static void myFunc2(void* p1, void* p2)
{
*static_cast<T2*>(p2) = T2(*static_cast<T1*>(p1));
}
static bool RunTemplate2Macro2(int tIn, void* pIn,
int tOut, void* pOut)
{
switch (vtkTemplate2PackMacro(tIn, tOut))
{
// Test explicit specification of multiple template arguments.
vtkTemplate2Macro((myFunc2<VTK_T1,VTK_T2>(pIn, pOut)));
default:
// Unknown input or output VTK type id.
return false;
}
return true;
}
template <int NIn, typename TIn, int NOut, typename TOut>
static bool TestTemplate2Macro()
{
TIn in = 1;
TOut out = 0;
if (!RunTemplate2Macro1(NIn, &in, NOut, &out) || out != 1)
{ return false; }
in = 2;
if (!RunTemplate2Macro2(NIn, &in, NOut, &out) || out != 2)
{ return false; }
return true;
}
int TestTemplateMacro(int, char *[])
{
bool res = true;
// Verify that a few combinations are dispatched.
res = TestTemplate2Macro<VTK_FLOAT, float, VTK_INT, int>() && res;
res = TestTemplate2Macro<VTK_DOUBLE, double,
VTK_ID_TYPE, vtkIdType>() && res;
res = TestTemplate2Macro<VTK_INT, int, VTK_LONG, long>() && res;
res = TestTemplate2Macro<VTK_CHAR, char, VTK_LONG, long>() && res;
// Verify that bad VTK type ids are rejected.
res = !TestTemplate2Macro<127, char, VTK_LONG, long>() && res;
res = !TestTemplate2Macro<VTK_CHAR, char, 127, long>() && res;
return res? EXIT_SUCCESS : EXIT_FAILURE;
}
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