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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
// First include the header file to be tested:
#include "itkMakeUniqueForOverwrite.h"
#include <gtest/gtest.h>
#include <numeric> // For iota.
// Tests that `make_unique_for_overwrite` creates an array of the specified dynamic size, whose elements can all be
// written to.
TEST(MakeUniqueForOverwrite, CreatesAnArrayThatCanBeWrittenTo)
{
for (std::size_t numberOfElements = 1; numberOfElements < 4; ++numberOfElements)
{
const auto data = itk::make_unique_for_overwrite<int[]>(numberOfElements);
ASSERT_NE(data, nullptr);
// Write the values { 0, 1, ... , N-1 }.
std::iota(data.get(), data.get() + numberOfElements, 0);
// Check that each value is correctly written to the corresponding element.
for (std::size_t i = 0; i < numberOfElements; ++i)
{
EXPECT_EQ(data[i], i);
}
}
}
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