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
101
102
103
104
|
// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkBitArray.h"
#include "vtkNew.h"
#include <array>
#include <bitset>
#include <string>
// This test makes sure that the unused reachable bits of the last byte are set
// to zero.
int TestBitArray(int, char*[])
{
vtkNew<vtkBitArray> array;
array->SetNumberOfComponents(1);
array->SetNumberOfValues(1);
// [1]
array->SetValue(0, 1);
unsigned char* data = static_cast<unsigned char*>(array->GetVoidPointer(0));
std::string str;
str = std::bitset<8>(data[0]).to_string();
if (str != "10000000")
{
std::cerr << "Bit array not initialized as expected. The raw data is " << str
<< ", it should be 10000000" << std::endl;
return EXIT_FAILURE;
}
array->SetNumberOfValues(0);
// [1111 1011 | 101]
array->InsertValue(0, 1);
array->InsertNextValue(1);
array->InsertNextValue(1);
array->InsertNextValue(1);
array->InsertNextValue(1);
array->InsertNextValue(0);
array->InsertNextValue(1);
array->InsertNextValue(1);
array->InsertNextValue(1);
array->InsertNextValue(0);
array->InsertNextValue(1);
data = static_cast<unsigned char*>(array->GetVoidPointer(0));
str = std::bitset<8>(data[0]).to_string() + " " + std::bitset<8>(data[1]).to_string();
if (str != std::string("11111011 10100000"))
{
std::cerr << "Bit array not initialized as expected. The raw data is " << str
<< ", it should be 11111011 10100000" << std::endl;
return EXIT_FAILURE;
}
unsigned char* ptr = array->WritePointer(0, 18);
// [1111 1011 | 1111 0011 | 10]
ptr[1] = 0xf3;
ptr[2] = (ptr[2] & 0x3f) | 0x80;
data = static_cast<unsigned char*>(array->GetVoidPointer(0));
str = std::bitset<8>(data[0]).to_string() + std::string(" ") +
std::bitset<8>(data[1]).to_string() + std::string(" ") + std::bitset<8>(data[2]).to_string();
if (str != "11111011 11110011 10000000")
{
std::cerr << "Bit array not initialized as expected. The raw data is " << str
<< ", it should be 11111011 10110011 10000000" << std::endl;
return EXIT_FAILURE;
}
array->Resize(2);
data = static_cast<unsigned char*>(array->GetVoidPointer(0));
str = std::bitset<8>(data[0]).to_string();
if (str != "11000000")
{
std::cerr << "Bit array not initialized as expected. The raw data is " << str
<< ", it should be 11000000" << std::endl;
return EXIT_FAILURE;
}
// Test GetVariantValue accessor
array->Resize(4);
array->SetValue(0, 0);
array->SetValue(1, 1);
array->SetValue(2, 1);
array->SetValue(3, 0);
std::array<int, 4> variantValues = {
array->GetVariantValue(0).ToInt(),
array->GetVariantValue(1).ToInt(),
array->GetVariantValue(2).ToInt(),
array->GetVariantValue(3).ToInt(),
};
if (variantValues != std::array<int, 4>{ 0, 1, 1, 0 })
{
std::cerr << "GetVariantValue return invalid data \"{" << variantValues[0] << ", "
<< variantValues[1] << ", " << variantValues[2] << ", " << variantValues[3]
<< "}\", it should be \"{0, 1, 1, 0}\"" << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
|
