64958b014b
The original design of invoke and the transport infrastructure relied on the implementation behavior of vtkm::cont types such as ArrayHandle that used an internal shared_ptr to managed state. This allowed passing by value instead of passing by non-const ref when needing to transfer information to the device. As VTK-m adds support for classes that use virtuals the ability to pass by base pointer type allows for us to invoke worklets using a base type without the risk of type slicing. Additional by moving over to a non-const ref Invocation we can update all transports that have 'output' to now be by ref and therefore support types that can't be copied while being 'more' correct.
224 lines
7.5 KiB
C++
224 lines
7.5 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/cont/ArrayCopy.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/DynamicArrayHandle.h>
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#include <vtkm/worklet/DispatcherMapField.h>
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#include <vtkm/worklet/WorkletMapField.h>
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#include <vtkm/cont/testing/Testing.h>
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class TestMapFieldWorklet : public vtkm::worklet::WorkletMapField
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{
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public:
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using ControlSignature = void(FieldIn<>, FieldOut<>, FieldInOut<>);
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using ExecutionSignature = void(_1, _2, _3, WorkIndex);
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template <typename T>
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VTKM_EXEC void operator()(const T& in, T& out, T& inout, vtkm::Id workIndex) const
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{
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if (!test_equal(in, TestValue(workIndex, T()) + T(100)))
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{
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this->RaiseError("Got wrong input value.");
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}
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out = in - T(100);
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if (!test_equal(inout, TestValue(workIndex, T()) + T(100)))
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{
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this->RaiseError("Got wrong in-out value.");
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}
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inout = inout - T(100);
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}
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template <typename T1, typename T2, typename T3>
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VTKM_EXEC void operator()(const T1&, const T2&, const T3&, vtkm::Id) const
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{
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this->RaiseError("Cannot call this worklet with different types.");
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}
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};
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class TestMapFieldWorkletLimitedTypes : public vtkm::worklet::WorkletMapField
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{
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public:
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using ControlSignature = void(FieldIn<ScalarAll>, FieldOut<ScalarAll>, FieldInOut<ScalarAll>);
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using ExecutionSignature = _2(_1, _3, WorkIndex);
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template <typename T1, typename T3>
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VTKM_EXEC T1 operator()(const T1& in, T3& inout, vtkm::Id workIndex) const
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{
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if (!test_equal(in, TestValue(workIndex, T1()) + T1(100)))
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{
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this->RaiseError("Got wrong input value.");
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}
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if (!test_equal(inout, TestValue(workIndex, T3()) + T3(100)))
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{
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this->RaiseError("Got wrong in-out value.");
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}
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inout = inout - T3(100);
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return in - T1(100);
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}
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};
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namespace mapfield
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{
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static constexpr vtkm::Id ARRAY_SIZE = 10;
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template <typename WorkletType>
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struct DoStaticTestWorklet
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{
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template <typename T>
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VTKM_CONT void operator()(T) const
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{
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std::cout << "Set up data." << std::endl;
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T inputArray[ARRAY_SIZE];
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for (vtkm::Id index = 0; index < ARRAY_SIZE; index++)
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{
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inputArray[index] = TestValue(index, T()) + T(100);
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}
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vtkm::cont::ArrayHandle<T> inputHandle = vtkm::cont::make_ArrayHandle(inputArray, ARRAY_SIZE);
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vtkm::cont::ArrayHandle<T> outputHandle, outputHandleAsPtr;
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vtkm::cont::ArrayHandle<T> inoutHandle, inoutHandleAsPtr;
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vtkm::cont::ArrayCopy(inputHandle, inoutHandle, VTKM_DEFAULT_DEVICE_ADAPTER_TAG());
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vtkm::cont::ArrayCopy(inputHandle, inoutHandleAsPtr, VTKM_DEFAULT_DEVICE_ADAPTER_TAG());
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std::cout << "Create and run dispatchers." << std::endl;
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vtkm::worklet::DispatcherMapField<WorkletType> dispatcher;
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dispatcher.Invoke(inputHandle, outputHandle, inoutHandle);
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dispatcher.Invoke(&inputHandle, &outputHandleAsPtr, &inoutHandleAsPtr);
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std::cout << "Check results." << std::endl;
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CheckPortal(outputHandle.GetPortalConstControl());
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CheckPortal(inoutHandle.GetPortalConstControl());
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CheckPortal(outputHandleAsPtr.GetPortalConstControl());
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CheckPortal(inoutHandleAsPtr.GetPortalConstControl());
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std::cout << "Try to invoke with an input array of the wrong size." << std::endl;
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inputHandle.Shrink(ARRAY_SIZE / 2);
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bool exceptionThrown = false;
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try
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{
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dispatcher.Invoke(inputHandle, outputHandle, inoutHandle);
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}
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catch (vtkm::cont::ErrorBadValue& error)
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{
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std::cout << " Caught expected error: " << error.GetMessage() << std::endl;
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exceptionThrown = true;
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}
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VTKM_TEST_ASSERT(exceptionThrown, "Dispatcher did not throw expected exception.");
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}
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};
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template <typename WorkletType>
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struct DoDynamicTestWorklet
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{
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template <typename T>
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VTKM_CONT void operator()(T) const
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{
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std::cout << "Set up data." << std::endl;
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T inputArray[ARRAY_SIZE];
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for (vtkm::Id index = 0; index < ARRAY_SIZE; index++)
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{
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inputArray[index] = TestValue(index, T()) + T(100);
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}
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vtkm::cont::ArrayHandle<T> inputHandle = vtkm::cont::make_ArrayHandle(inputArray, ARRAY_SIZE);
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vtkm::cont::ArrayHandle<T> outputHandle;
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vtkm::cont::ArrayHandle<T> inoutHandle;
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std::cout << "Create and run dispatcher with dynamic arrays." << std::endl;
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vtkm::worklet::DispatcherMapField<WorkletType> dispatcher;
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vtkm::cont::DynamicArrayHandle inputDynamic(inputHandle);
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{ //Verify we can pass by value
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vtkm::cont::ArrayCopy(inputHandle, inoutHandle, VTKM_DEFAULT_DEVICE_ADAPTER_TAG());
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vtkm::cont::DynamicArrayHandle outputDynamic(outputHandle);
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vtkm::cont::DynamicArrayHandle inoutDynamic(inoutHandle);
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dispatcher.Invoke(inputDynamic, outputDynamic, inoutDynamic);
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CheckPortal(outputHandle.GetPortalConstControl());
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CheckPortal(inoutHandle.GetPortalConstControl());
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}
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{ //Verify we can pass by pointer
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vtkm::cont::ArrayCopy(inputHandle, inoutHandle, VTKM_DEFAULT_DEVICE_ADAPTER_TAG());
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vtkm::cont::DynamicArrayHandle outputDynamic(outputHandle);
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vtkm::cont::DynamicArrayHandle inoutDynamic(inoutHandle);
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dispatcher.Invoke(&inputDynamic, &outputDynamic, &inoutDynamic);
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CheckPortal(outputHandle.GetPortalConstControl());
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CheckPortal(inoutHandle.GetPortalConstControl());
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}
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}
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};
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template <typename WorkletType>
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struct DoTestWorklet
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{
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template <typename T>
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VTKM_CONT void operator()(T t) const
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{
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DoStaticTestWorklet<WorkletType> sw;
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sw(t);
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DoDynamicTestWorklet<WorkletType> dw;
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dw(t);
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}
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};
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void TestWorkletMapField()
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{
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using DeviceAdapterTraits = vtkm::cont::DeviceAdapterTraits<VTKM_DEFAULT_DEVICE_ADAPTER_TAG>;
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std::cout << "Testing Map Field on device adapter: " << DeviceAdapterTraits::GetName()
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<< std::endl;
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std::cout << "--- Worklet accepting all types." << std::endl;
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vtkm::testing::Testing::TryTypes(mapfield::DoTestWorklet<TestMapFieldWorklet>(),
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vtkm::TypeListTagCommon());
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std::cout << "--- Worklet accepting some types." << std::endl;
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vtkm::testing::Testing::TryTypes(mapfield::DoTestWorklet<TestMapFieldWorkletLimitedTypes>(),
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vtkm::TypeListTagFieldScalar());
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std::cout << "--- Sending bad type to worklet." << std::endl;
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try
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{
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//can only test with dynamic arrays, as static arrays will fail to compile
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DoDynamicTestWorklet<TestMapFieldWorkletLimitedTypes> badWorkletTest;
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badWorkletTest(vtkm::Vec<vtkm::Float32, 3>());
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VTKM_TEST_FAIL("Did not throw expected error.");
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}
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catch (vtkm::cont::ErrorBadType& error)
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{
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std::cout << "Got expected error: " << error.GetMessage() << std::endl;
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}
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}
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} // mapfield namespace
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int UnitTestWorkletMapField(int, char* [])
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{
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return vtkm::cont::testing::Testing::Run(mapfield::TestWorkletMapField);
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}
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