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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkAbstractArray.h"
// Helpers:
#include "vtkAOSDataArrayTemplate.h"
#include "vtkBitArray.h"
#include "vtkFloatArray.h"
#include "vtkNew.h"
#include "vtkSOADataArrayTemplate.h"
#ifdef VTK_USE_SCALED_SOA_ARRAYS
#include "vtkScaledSOADataArrayTemplate.h"
#endif
#include "vtkStringArray.h"
#include <cstdint>
#include <cstdio>
// Forward declare the test function:
namespace
{
//------------------------------------------------------------------------------
struct UseFree
{
static const int value = vtkAbstractArray::VTK_DATA_ARRAY_FREE;
};
struct UseDelete
{
static const int value = vtkAbstractArray::VTK_DATA_ARRAY_DELETE;
};
struct UseAlignedFree
{
static const int value = vtkAbstractArray::VTK_DATA_ARRAY_ALIGNED_FREE;
};
struct UseLambda
{
static const int value = vtkAbstractArray::VTK_DATA_ARRAY_USER_DEFINED;
};
int timesLambdaFreeCalled = 0;
//------------------------------------------------------------------------------
#define testAssert(expr, errorMessage) \
do \
{ \
if (!(expr)) \
{ \
++errors; \
vtkGenericWarningMacro(<< "Assertion failed: " #expr << "\n" << errorMessage); \
} \
} while (false)
//------------------------------------------------------------------------------
void* make_allocation(UseFree, std::size_t size, int)
{
return malloc(size);
}
void* make_allocation(UseDelete, std::size_t size, int type)
{
// Std::string is weird. When UseDelete is passed it binds to a custom
// free function that casts the memory to std::string*. So to not violate
// this behavior we need to allocate as a string
if (type == VTK_STRING)
{
return new std::string[size];
}
else
{
return new uint8_t[size];
}
}
void* make_allocation(UseAlignedFree, std::size_t size, int)
{
#if defined(_WIN32)
return _aligned_malloc(size, 16);
#else
return malloc(size);
#endif
}
void* make_allocation(UseLambda, std::size_t size, int)
{
return new uint8_t[size];
}
//------------------------------------------------------------------------------
template <typename FreeType>
void assign_user_free(FreeType, vtkAbstractArray*)
{
}
void assign_user_free(UseLambda, vtkAbstractArray* array)
{
array->SetArrayFreeFunction(
[](void* ptr)
{
delete[] reinterpret_cast<uint8_t*>(ptr);
timesLambdaFreeCalled++;
});
}
//------------------------------------------------------------------------------
template <typename FreeType>
int assign_void_array(
FreeType, vtkAbstractArray* array, void* ptr, std::size_t size, bool vtkShouldFree)
{
int errors = 0;
if (vtkSOADataArrayTemplate<double>* is_soa =
vtkArrayDownCast<vtkSOADataArrayTemplate<double>>(array))
{
is_soa->SetNumberOfComponents(1);
is_soa->SetArray(0, reinterpret_cast<double*>(ptr), static_cast<vtkIdType>(size), false,
!vtkShouldFree, FreeType::value);
}
#ifdef VTK_USE_SCALED_SOA_ARRAYS
else if (vtkScaledSOADataArrayTemplate<double>* is_scale_soa =
vtkArrayDownCast<vtkScaledSOADataArrayTemplate<double>>(array))
{
is_scale_soa->SetNumberOfComponents(1);
is_scale_soa->SetArray(0, reinterpret_cast<double*>(ptr), static_cast<vtkIdType>(size), false,
!vtkShouldFree, FreeType::value);
}
#endif
else
{
const int save = vtkShouldFree ? 0 : 1;
array->SetVoidArray(ptr, static_cast<vtkIdType>(size), save, FreeType::value);
testAssert(array->GetVoidPointer(0) == ptr, "assignment failed");
}
return errors;
}
//------------------------------------------------------------------------------
template <typename FreeType>
int ExerciseDelete(FreeType f)
{
int errors = 0;
std::cout << "Starting tests for free type: " << f.value << std::endl;
std::vector<vtkAbstractArray*> arrays;
arrays.push_back(vtkStringArray::New());
arrays.push_back(vtkBitArray::New());
arrays.push_back(vtkFloatArray::New());
arrays.push_back(vtkAOSDataArrayTemplate<double>::New());
arrays.push_back(vtkSOADataArrayTemplate<double>::New());
#ifdef VTK_USE_SCALED_SOA_ARRAYS
arrays.push_back(vtkScaledSOADataArrayTemplate<double>::New());
#endif
const std::size_t size = 5000;
for (auto it = arrays.begin(); it != arrays.end(); ++it)
{
vtkAbstractArray* array = *it;
// test setting the array's memory and having it not free the memory
void* ptr = make_allocation(f, size, array->GetDataType());
errors += assign_void_array(f, array, ptr, size, false);
// ask array to free memory, ptr should still be valid
array->Initialize();
// This time ask the array to free the memory
errors += assign_void_array(f, array, ptr, size, true);
// if we are a lambda we need to set the real free function
assign_user_free(f, array);
// free the memory for real this time
array->Initialize();
}
for (auto it = arrays.begin(); it != arrays.end(); ++it)
{
vtkAbstractArray* array = *it;
array->Delete();
}
return errors;
}
} // end anon namespace
//-------------Test Entry Point-------------------------------------------------
int TestArrayFreeFunctions(int, char*[])
{
int errors = 0;
errors += ExerciseDelete(UseFree{});
errors += ExerciseDelete(UseDelete{});
errors += ExerciseDelete(UseAlignedFree{});
errors += ExerciseDelete(UseLambda{});
if (timesLambdaFreeCalled != 5)
{
std::cerr << "Test failed! Lambda free not called " << std::endl;
}
if (errors > 0)
{
std::cerr << "Test failed! Error count: " << errors << std::endl;
}
return errors == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
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