1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/*=========================================================================
*
* 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 "itkTranslationTransform.h"
#include <gtest/gtest.h>
#include <algorithm> // For equal.
#include <numeric> // For iota.
namespace
{
template <unsigned int VDimension>
void
Expect_SetParameters_throws_when_size_is_less_than_SpaceDimension()
{
using TransformType = itk::TranslationTransform<double, VDimension>;
const auto transform = TransformType::New();
for (unsigned int size{}; size < TransformType::SpaceDimension; ++size)
{
const typename TransformType::ParametersType parameters(size, 0.0);
EXPECT_THROW(transform->SetParameters(parameters), itk::ExceptionObject);
}
}
template <unsigned int VDimension>
void
Expect_SetParameters_sets_translation_offset()
{
using TransformType = itk::TranslationTransform<double, VDimension>;
using ParametersType = typename TransformType::ParametersType;
const auto transform = TransformType::New();
// Check setting the offset to (0, 0, 0, ...).
transform->SetParameters(ParametersType(VDimension, 0.0));
EXPECT_EQ(transform->GetOffset(), typename TransformType::OutputVectorType());
// Check setting the offset to (1, 2, 3, ...).
ParametersType parameters(VDimension);
std::iota(parameters.begin(), parameters.end(), 1.0);
transform->SetParameters(parameters);
EXPECT_TRUE(std::equal(parameters.begin(), parameters.end(), transform->GetOffset().begin()));
}
} // namespace
TEST(TranslationTransform, SetParametersThrowsWhenSizeIsLessThanSpaceDimension)
{
Expect_SetParameters_throws_when_size_is_less_than_SpaceDimension<2>();
Expect_SetParameters_throws_when_size_is_less_than_SpaceDimension<3>();
}
TEST(TranslationTransform, SetParametersSetsOffset)
{
Expect_SetParameters_sets_translation_offset<2>();
Expect_SetParameters_sets_translation_offset<3>();
}
|
