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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*=========================================================================
*
* 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 "itkIndex.h"
#include "itkRangeGTestUtilities.h"
#include <gtest/gtest.h>
#include <initializer_list>
#include <limits>
namespace
{
template <unsigned int VDimension>
void
Expect_Filled_returns_Index_with_specified_value_for_each_element()
{
using itk::IndexValueType;
using IndexType = itk::Index<VDimension>;
// Tests that all elements from IndexType::Filled(indexValue) get the specified value.
const auto Expect_Filled_with_value = [](const IndexValueType indexValue) {
for (const auto filledIndexValue : IndexType::Filled(indexValue))
{
EXPECT_EQ(filledIndexValue, indexValue);
}
};
// Test for indexValue 0, 1, 2, and its maximum.
for (IndexValueType indexValue = 0; indexValue <= 2; ++indexValue)
{
Expect_Filled_with_value(indexValue);
}
Expect_Filled_with_value(std::numeric_limits<IndexValueType>::max());
}
template <itk::IndexValueType VFillValue>
constexpr bool
Is_Filled_Index_correctly_filled()
{
for (const auto actualValue : itk::Index<>::Filled(VFillValue).m_InternalArray)
{
if (actualValue != VFillValue)
{
return false;
}
}
return true;
}
} // namespace
static_assert(Is_Filled_Index_correctly_filled<0>() && Is_Filled_Index_correctly_filled<1>() &&
Is_Filled_Index_correctly_filled<std::numeric_limits<itk::IndexValueType>::min()>() &&
Is_Filled_Index_correctly_filled<std::numeric_limits<itk::IndexValueType>::max()>(),
"itk::Index::Filled(value) should be correctly filled at compile-time");
static_assert(itk::RangeGTestUtilities::CheckConstexprBeginAndEndOfContainer<itk::Index<>>() &&
itk::RangeGTestUtilities::CheckConstexprBeginAndEndOfContainer<itk::Index<1>>(),
"Check constexpr begin() and end() of Index.");
// Tests that itk::Index::Filled(value) returns an itk::Index with the
// specified value for each element.
TEST(Index, FilledReturnsIndexWithSpecifiedValueForEachElement)
{
// Test for 1-D and 3-D.
Expect_Filled_returns_Index_with_specified_value_for_each_element<1>();
Expect_Filled_returns_Index_with_specified_value_for_each_element<3>();
}
TEST(Index, Make)
{
static_assert((decltype(itk::MakeIndex(1, 1))::Dimension == 2) && (decltype(itk::MakeIndex(1, 1, 1))::Dimension == 3),
"The dimension of the created itk::Size should equal the number of arguments");
EXPECT_EQ(itk::MakeIndex(0, 0), itk::Index<2>());
EXPECT_EQ(itk::MakeIndex(0, 0, 0), itk::Index<3>());
const auto itkIndex = itk::MakeIndex(1, 2, 3, 4);
const auto values = { 1, 2, 3, 4 };
EXPECT_TRUE(std::equal(itkIndex.begin(), itkIndex.end(), values.begin(), values.end()));
}
|
