1 #include "utils/hex_utils.hpp" 2 3 #include <cctype> 4 #include <limits> 5 6 #include <gmock/gmock.h> // IWYU pragma: keep 7 #include <gtest/gtest.h> // IWYU pragma: keep 8 9 // IWYU pragma: no_include "gtest/gtest_pred_impl.h" 10 // IWYU pragma: no_include <gtest/gtest-message.h> 11 // IWYU pragma: no_include <gtest/gtest-test-part.h> 12 // IWYU pragma: no_include "gtest/gtest_pred_impl.h" 13 14 namespace 15 { 16 17 using ::testing::IsEmpty; 18 19 TEST(IntToHexString, ReturnsCorrectHexForUint64) 20 { 21 EXPECT_EQ(intToHexString(0xFFFFFFFFFFFFFFFFULL, 16), "FFFFFFFFFFFFFFFF"); 22 23 EXPECT_EQ(intToHexString(0, 4), "0000"); 24 EXPECT_EQ(intToHexString(0, 8), "00000000"); 25 EXPECT_EQ(intToHexString(0, 12), "000000000000"); 26 EXPECT_EQ(intToHexString(0, 16), "0000000000000000"); 27 28 // uint64_t sized ints 29 EXPECT_EQ(intToHexString(0xDEADBEEFBAD4F00DULL, 4), "F00D"); 30 EXPECT_EQ(intToHexString(0xDEADBEEFBAD4F00DULL, 8), "BAD4F00D"); 31 EXPECT_EQ(intToHexString(0xDEADBEEFBAD4F00DULL, 12), "BEEFBAD4F00D"); 32 EXPECT_EQ(intToHexString(0xDEADBEEFBAD4F00DULL, 16), "DEADBEEFBAD4F00D"); 33 34 // uint16_t sized ints 35 EXPECT_EQ(intToHexString(0xBEEF, 1), "F"); 36 EXPECT_EQ(intToHexString(0xBEEF, 2), "EF"); 37 EXPECT_EQ(intToHexString(0xBEEF, 3), "EEF"); 38 EXPECT_EQ(intToHexString(0xBEEF, 4), "BEEF"); 39 } 40 41 TEST(BytesToHexString, OnSuccess) 42 { 43 EXPECT_EQ(bytesToHexString({0x1a, 0x2b}), "1A2B"); 44 } 45 46 TEST(HexCharToNibble, ReturnsCorrectNibbleForEveryHexChar) 47 { 48 for (char c = 0; c < std::numeric_limits<char>::max(); ++c) 49 { 50 uint8_t expected = 16; 51 if (isdigit(c) != 0) 52 { 53 expected = static_cast<uint8_t>(c) - '0'; 54 } 55 else if (c >= 'A' && c <= 'F') 56 { 57 expected = static_cast<uint8_t>(c) - 'A' + 10; 58 } 59 else if (c >= 'a' && c <= 'f') 60 { 61 expected = static_cast<uint8_t>(c) - 'a' + 10; 62 } 63 64 EXPECT_EQ(hexCharToNibble(c), expected); 65 } 66 } 67 68 TEST(HexStringToBytes, Success) 69 { 70 std::vector<uint8_t> hexBytes = {0x01, 0x23, 0x45, 0x67, 71 0x89, 0xAB, 0xCD, 0xEF}; 72 EXPECT_EQ(hexStringToBytes("0123456789ABCDEF"), hexBytes); 73 EXPECT_THAT(hexStringToBytes(""), IsEmpty()); 74 } 75 76 TEST(HexStringToBytes, Failure) 77 { 78 EXPECT_THAT(hexStringToBytes("Hello"), IsEmpty()); 79 EXPECT_THAT(hexStringToBytes("`"), IsEmpty()); 80 EXPECT_THAT(hexStringToBytes("012"), IsEmpty()); 81 } 82 83 } // namespace