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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
#include "common/common_pch.h"
#include "common/checksums/base.h"
#include "common/mm_file_io.h"
#include "common/mm_proxy_io.h"
#include "common/mm_text_io.h"
#include "tests/unit/init.h"
#include "tests/unit/util.h"
namespace {
class ChecksumTest: public ::testing::Test {
public:
memory_cptr m_data, m_data_md5, m_onetwothree_md5;
std::string m_onetwothree;
ChecksumTest()
: m_data{mm_file_io_c::slurp("tests/unit/data/text/chapters-with-ebmlvoid.xml")}
, m_onetwothree{"123456789"}
{
unsigned char data_md5_raw[16] = { 0x43, 0x3a, 0x9a, 0x3e, 0x62, 0xe4, 0x93, 0xb5, 0x15, 0x9d, 0xf9, 0x1f, 0x58, 0x5b, 0x26, 0x91 };
m_data_md5 = memory_c::clone(data_md5_raw, 16);
unsigned char onetwothree_md5_raw[16] = { 0x25, 0xf9, 0xe7, 0x94, 0x32, 0x3b, 0x45, 0x38, 0x85, 0xf5, 0x18, 0x1f, 0x1b, 0x62, 0x4d, 0x0b };
m_onetwothree_md5 = memory_c::clone(onetwothree_md5_raw, 16);
}
uint32_t
calculate_int(mtx::checksum::algorithm_e algorithm,
uint32_t initial_value,
size_t chunk_size) {
auto ptr = m_data->get_buffer();
auto remaining = m_data->get_size();
auto worker = mtx::checksum::for_algorithm(algorithm, initial_value);
while (remaining) {
auto to_handle = std::min<size_t>(remaining, chunk_size);
worker->add(ptr, to_handle);
ptr += to_handle;
remaining -= to_handle;
}
worker->finish();
return dynamic_cast<mtx::checksum::uint_result_c &>(*worker).get_result_as_uint();
}
memory_cptr
calculate_bin(mtx::checksum::algorithm_e algorithm,
size_t chunk_size) {
auto ptr = m_data->get_buffer();
auto remaining = m_data->get_size();
auto worker = mtx::checksum::for_algorithm(algorithm);
while (remaining) {
auto to_handle = std::min<size_t>(remaining, chunk_size);
worker->add(ptr, to_handle);
ptr += to_handle;
remaining -= to_handle;
}
worker->finish();
return worker->get_result();
}
};
TEST_F(ChecksumTest, OneTwoThree) {
auto ptr = reinterpret_cast<unsigned char const *>(m_onetwothree.c_str());
EXPECT_EQ(0xf4, mtx::checksum::calculate_as_uint(mtx::checksum::algorithm_e::crc8_atm, ptr, m_onetwothree.length(), 0));
EXPECT_EQ(0xe8fe, mtx::checksum::calculate_as_uint(mtx::checksum::algorithm_e::crc16_ansi, ptr, m_onetwothree.length(), 0));
EXPECT_EQ(0xc331, mtx::checksum::calculate_as_uint(mtx::checksum::algorithm_e::crc16_ccitt, ptr, m_onetwothree.length(), 0));
EXPECT_EQ(0xe7e67603, mtx::checksum::calculate_as_uint(mtx::checksum::algorithm_e::crc32_ieee, ptr, m_onetwothree.length(), 0xffffffff));
EXPECT_EQ(0x340bc6d9, mtx::checksum::calculate_as_uint(mtx::checksum::algorithm_e::crc32_ieee_le, ptr, m_onetwothree.length(), 0xffffffff));
EXPECT_EQ(*m_onetwothree_md5, *mtx::checksum::calculate(mtx::checksum::algorithm_e::md5, ptr, m_onetwothree.length()));
}
TEST_F(ChecksumTest, FileAllInOne) {
EXPECT_EQ(0xab, calculate_int(mtx::checksum::algorithm_e::crc8_atm, 0, m_data->get_size()));
EXPECT_EQ(0x18fe, calculate_int(mtx::checksum::algorithm_e::crc16_ansi, 0, m_data->get_size()));
EXPECT_EQ(0x218f, calculate_int(mtx::checksum::algorithm_e::crc16_ccitt, 0, m_data->get_size()));
EXPECT_EQ(0x5a0a3951, calculate_int(mtx::checksum::algorithm_e::crc32_ieee, 0xffffffff, m_data->get_size()));
EXPECT_EQ(0x88c5b46f, calculate_int(mtx::checksum::algorithm_e::crc32_ieee_le, 0xffffffff, m_data->get_size()));
EXPECT_EQ(*m_data_md5, *calculate_bin(mtx::checksum::algorithm_e::md5, m_data->get_size()));
}
TEST_F(ChecksumTest, FileChunked37) {
EXPECT_EQ(0xab, calculate_int(mtx::checksum::algorithm_e::crc8_atm, 0, 37));
EXPECT_EQ(0x18fe, calculate_int(mtx::checksum::algorithm_e::crc16_ansi, 0, 37));
EXPECT_EQ(0x218f, calculate_int(mtx::checksum::algorithm_e::crc16_ccitt, 0, 37));
EXPECT_EQ(0x5a0a3951, calculate_int(mtx::checksum::algorithm_e::crc32_ieee, 0xffffffff, 37));
EXPECT_EQ(0x88c5b46f, calculate_int(mtx::checksum::algorithm_e::crc32_ieee_le, 0xffffffff, 37));
EXPECT_EQ(*m_data_md5, *calculate_bin(mtx::checksum::algorithm_e::md5, 37));
}
TEST_F(ChecksumTest, FileChunked63) {
EXPECT_EQ(0xab, calculate_int(mtx::checksum::algorithm_e::crc8_atm, 0, 63));
EXPECT_EQ(0x18fe, calculate_int(mtx::checksum::algorithm_e::crc16_ansi, 0, 63));
EXPECT_EQ(0x218f, calculate_int(mtx::checksum::algorithm_e::crc16_ccitt, 0, 63));
EXPECT_EQ(0x5a0a3951, calculate_int(mtx::checksum::algorithm_e::crc32_ieee, 0xffffffff, 63));
EXPECT_EQ(0x88c5b46f, calculate_int(mtx::checksum::algorithm_e::crc32_ieee_le, 0xffffffff, 63));
EXPECT_EQ(*m_data_md5, *calculate_bin(mtx::checksum::algorithm_e::md5, 63));
}
TEST_F(ChecksumTest, FileChunked64) {
EXPECT_EQ(0xab, calculate_int(mtx::checksum::algorithm_e::crc8_atm, 0, 64));
EXPECT_EQ(0x18fe, calculate_int(mtx::checksum::algorithm_e::crc16_ansi, 0, 64));
EXPECT_EQ(0x218f, calculate_int(mtx::checksum::algorithm_e::crc16_ccitt, 0, 64));
EXPECT_EQ(0x5a0a3951, calculate_int(mtx::checksum::algorithm_e::crc32_ieee, 0xffffffff, 64));
EXPECT_EQ(0x88c5b46f, calculate_int(mtx::checksum::algorithm_e::crc32_ieee_le, 0xffffffff, 64));
EXPECT_EQ(*m_data_md5, *calculate_bin(mtx::checksum::algorithm_e::md5, 64));
}
TEST_F(ChecksumTest, FileChunked65) {
EXPECT_EQ(0xab, calculate_int(mtx::checksum::algorithm_e::crc8_atm, 0, 65));
EXPECT_EQ(0x18fe, calculate_int(mtx::checksum::algorithm_e::crc16_ansi, 0, 65));
EXPECT_EQ(0x218f, calculate_int(mtx::checksum::algorithm_e::crc16_ccitt, 0, 65));
EXPECT_EQ(0x5a0a3951, calculate_int(mtx::checksum::algorithm_e::crc32_ieee, 0xffffffff, 65));
EXPECT_EQ(0x88c5b46f, calculate_int(mtx::checksum::algorithm_e::crc32_ieee_le, 0xffffffff, 65));
EXPECT_EQ(*m_data_md5, *calculate_bin(mtx::checksum::algorithm_e::md5, 65));
}
TEST_F(ChecksumTest, FileChunked1000) {
EXPECT_EQ(0xab, calculate_int(mtx::checksum::algorithm_e::crc8_atm, 0, 1000));
EXPECT_EQ(0x18fe, calculate_int(mtx::checksum::algorithm_e::crc16_ansi, 0, 1000));
EXPECT_EQ(0x218f, calculate_int(mtx::checksum::algorithm_e::crc16_ccitt, 0, 1000));
EXPECT_EQ(0x5a0a3951, calculate_int(mtx::checksum::algorithm_e::crc32_ieee, 0xffffffff, 1000));
EXPECT_EQ(0x88c5b46f, calculate_int(mtx::checksum::algorithm_e::crc32_ieee_le, 0xffffffff, 1000));
EXPECT_EQ(*m_data_md5, *calculate_bin(mtx::checksum::algorithm_e::md5, 1000));
}
}
|
