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
|
#include "utils/hex_utils.hpp"
#include <cctype>
#include <limits>
#include <gmock/gmock.h> // IWYU pragma: keep
#include <gtest/gtest.h> // IWYU pragma: keep
// IWYU pragma: no_include "gtest/gtest_pred_impl.h"
// IWYU pragma: no_include <gtest/gtest-message.h>
// IWYU pragma: no_include <gtest/gtest-test-part.h>
// IWYU pragma: no_include "gtest/gtest_pred_impl.h"
namespace
{
using ::testing::IsEmpty;
TEST(IntToHexString, ReturnsCorrectHexForUint64)
{
EXPECT_EQ(intToHexString(0xFFFFFFFFFFFFFFFFULL, 16), "FFFFFFFFFFFFFFFF");
EXPECT_EQ(intToHexString(0, 4), "0000");
EXPECT_EQ(intToHexString(0, 8), "00000000");
EXPECT_EQ(intToHexString(0, 12), "000000000000");
EXPECT_EQ(intToHexString(0, 16), "0000000000000000");
// uint64_t sized ints
EXPECT_EQ(intToHexString(0xDEADBEEFBAD4F00DULL, 4), "F00D");
EXPECT_EQ(intToHexString(0xDEADBEEFBAD4F00DULL, 8), "BAD4F00D");
EXPECT_EQ(intToHexString(0xDEADBEEFBAD4F00DULL, 12), "BEEFBAD4F00D");
EXPECT_EQ(intToHexString(0xDEADBEEFBAD4F00DULL, 16), "DEADBEEFBAD4F00D");
// uint16_t sized ints
EXPECT_EQ(intToHexString(0xBEEF, 1), "F");
EXPECT_EQ(intToHexString(0xBEEF, 2), "EF");
EXPECT_EQ(intToHexString(0xBEEF, 3), "EEF");
EXPECT_EQ(intToHexString(0xBEEF, 4), "BEEF");
}
TEST(BytesToHexString, OnSuccess)
{
EXPECT_EQ(bytesToHexString({0x1a, 0x2b}), "1A2B");
}
TEST(HexCharToNibble, ReturnsCorrectNibbleForEveryHexChar)
{
for (char c = 0; c < std::numeric_limits<char>::max(); ++c)
{
uint8_t expected = 16;
if (isdigit(c) != 0)
{
expected = static_cast<uint8_t>(c) - '0';
}
else if (c >= 'A' && c <= 'F')
{
expected = static_cast<uint8_t>(c - 'A') + 10U;
}
else if (c >= 'a' && c <= 'f')
{
expected = static_cast<uint8_t>(c - 'a') + 10U;
}
EXPECT_EQ(hexCharToNibble(c), expected);
}
}
TEST(HexStringToBytes, Success)
{
std::vector<uint8_t> hexBytes = {0x01, 0x23, 0x45, 0x67,
0x89, 0xAB, 0xCD, 0xEF};
EXPECT_EQ(hexStringToBytes("0123456789ABCDEF"), hexBytes);
EXPECT_THAT(hexStringToBytes(""), IsEmpty());
}
TEST(HexStringToBytes, Failure)
{
EXPECT_THAT(hexStringToBytes("Hello"), IsEmpty());
EXPECT_THAT(hexStringToBytes("`"), IsEmpty());
EXPECT_THAT(hexStringToBytes("012"), IsEmpty());
}
} // namespace
|
