vtk-m/vtkm/exec/arg/testing/UnitTestFetchExecObject.cxx
Kenneth Moreland 79399c210e Add Fetch class
The Fetch class is responsible for moving data in and out of some
collection in the execution environment. The Fetch class is templated
with a pair of tags (the type of fetch and the aspect) that control the
mechanism used for the fetch.
2014-10-15 13:52:27 -06:00

99 lines
2.9 KiB
C++

//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt 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.
//
// Copyright 2014 Sandia Corporation.
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014. Los Alamos National Security
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#include <vtkm/exec/arg/FetchTagExecObject.h>
#include <vtkm/internal/FunctionInterface.h>
#include <vtkm/internal/Invocation.h>
#include <vtkm/exec/ExecutionObjectBase.h>
#include <vtkm/testing/Testing.h>
#define EXPECTED_NUMBER 67
namespace {
struct TestExecutionObject : public vtkm::exec::ExecutionObjectBase
{
TestExecutionObject() : Number(0xDEADDEAD) { }
TestExecutionObject(vtkm::Int32 number) : Number(number) { }
vtkm::Int32 Number;
};
struct NullParam { };
template<vtkm::IdComponent ParamIndex, typename Invocation>
void TryInvocation(const Invocation &invocation)
{
typedef vtkm::exec::arg::Fetch<
vtkm::exec::arg::FetchTagExecObject,
vtkm::exec::arg::AspectTagDefault,
Invocation,
ParamIndex> FetchType;
FetchType fetch;
TestExecutionObject execObject = fetch.Load(0, invocation);
VTKM_TEST_ASSERT(execObject.Number == EXPECTED_NUMBER,
"Did not load object correctly.");
execObject.Number = -1;
// This should be a no-op.
fetch.Store(0, invocation, execObject);
// Data in Invocation should not have changed.
execObject = invocation.Parameters.template GetParameter<ParamIndex>();
VTKM_TEST_ASSERT(execObject.Number == EXPECTED_NUMBER,
"Fetch changed read-only execution object.");
}
template<vtkm::IdComponent ParamIndex>
void TryParamIndex()
{
std::cout << "Trying ExecObject fetch on parameter " << ParamIndex
<< std::endl;
typedef vtkm::internal::FunctionInterface<
void(NullParam,NullParam,NullParam,NullParam,NullParam)>
BaseFunctionInterface;
TryInvocation<ParamIndex>(vtkm::internal::make_Invocation<1>(
BaseFunctionInterface().Replace<ParamIndex>(
TestExecutionObject(EXPECTED_NUMBER))));
}
void TestExecObjectFetch()
{
TryParamIndex<1>();
TryParamIndex<2>();
TryParamIndex<3>();
TryParamIndex<4>();
TryParamIndex<5>();
}
} // anonymous namespace
int UnitTestFetchExecObject(int, char *[])
{
return vtkm::testing::Testing::Run(TestExecObjectFetch);
}