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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 "itkMatrixOffsetTransformBase.h"
#include <gtest/gtest.h>
namespace
{
template <typename TParametersValueType, unsigned int VDimension>
void
Check_New_MatrixOffsetTransformBase()
{
using MatrixOffsetTransformBaseType = itk::MatrixOffsetTransformBase<TParametersValueType, VDimension, VDimension>;
const auto transformBase = MatrixOffsetTransformBaseType::New();
EXPECT_TRUE(transformBase->GetMatrix().GetVnlMatrix().is_identity());
using OutputVectorType = typename MatrixOffsetTransformBaseType::OutputVectorType;
using InputPointType = typename MatrixOffsetTransformBaseType::InputPointType;
// Expect that the offset, center, and translation are all entirely zero.
EXPECT_EQ(transformBase->GetOffset(), OutputVectorType());
EXPECT_EQ(transformBase->GetCenter(), InputPointType());
EXPECT_EQ(transformBase->GetTranslation(), OutputVectorType());
}
template <unsigned int VDimension>
void
Assert_SetFixedParameters_throws_when_size_is_less_than_NDimensions()
{
for (unsigned int size{}; size < VDimension; ++size)
{
using TransformBaseType = itk::MatrixOffsetTransformBase<double, VDimension, VDimension>;
using FixedParametersType = typename TransformBaseType::FixedParametersType;
const auto transformBase = TransformBaseType::New();
const FixedParametersType fixedParameters(size);
ASSERT_THROW(transformBase->SetFixedParameters(fixedParameters), itk::ExceptionObject);
}
}
} // namespace
// Checks the object created by MatrixOffsetTransformBase::New().
TEST(MatrixOffsetTransformBase, CheckNew)
{
Check_New_MatrixOffsetTransformBase<float, 2>();
Check_New_MatrixOffsetTransformBase<double, 3>();
}
TEST(MatrixOffsetTransformBase, SetFixedParametersThrowsWhenSizeIsLessThanNDimensions)
{
Assert_SetFixedParameters_throws_when_size_is_less_than_NDimensions<2>();
Assert_SetFixedParameters_throws_when_size_is_less_than_NDimensions<3>();
Assert_SetFixedParameters_throws_when_size_is_less_than_NDimensions<4>();
}
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