1 //===- llvm/unittest/Support/MD5Test.cpp - MD5 tests ----------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file implements unit tests for the MD5 functions. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "llvm/Support/MD5.h" 14 #include "llvm/ADT/ArrayRef.h" 15 #include "llvm/ADT/SmallString.h" 16 #include "gtest/gtest.h" 17 18 using namespace llvm; 19 20 namespace { 21 /// Tests an arbitrary set of bytes passed as \p Input. 22 void TestMD5Sum(ArrayRef<uint8_t> Input, StringRef Final) { 23 MD5 Hash; 24 Hash.update(Input); 25 MD5::MD5Result MD5Res; 26 Hash.final(MD5Res); 27 SmallString<32> Res; 28 MD5::stringifyResult(MD5Res, Res); 29 EXPECT_EQ(Res, Final); 30 } 31 32 void TestMD5Sum(StringRef Input, StringRef Final) { 33 MD5 Hash; 34 Hash.update(Input); 35 MD5::MD5Result MD5Res; 36 Hash.final(MD5Res); 37 SmallString<32> Res; 38 MD5::stringifyResult(MD5Res, Res); 39 EXPECT_EQ(Res, Final); 40 } 41 42 TEST(MD5Test, MD5) { 43 TestMD5Sum(makeArrayRef((const uint8_t *)"", (size_t) 0), 44 "d41d8cd98f00b204e9800998ecf8427e"); 45 TestMD5Sum(makeArrayRef((const uint8_t *)"a", (size_t) 1), 46 "0cc175b9c0f1b6a831c399e269772661"); 47 TestMD5Sum(makeArrayRef((const uint8_t *)"abcdefghijklmnopqrstuvwxyz", 48 (size_t) 26), 49 "c3fcd3d76192e4007dfb496cca67e13b"); 50 TestMD5Sum(makeArrayRef((const uint8_t *)"\0", (size_t) 1), 51 "93b885adfe0da089cdf634904fd59f71"); 52 TestMD5Sum(makeArrayRef((const uint8_t *)"a\0", (size_t) 2), 53 "4144e195f46de78a3623da7364d04f11"); 54 TestMD5Sum(makeArrayRef((const uint8_t *)"abcdefghijklmnopqrstuvwxyz\0", 55 (size_t) 27), 56 "81948d1f1554f58cd1a56ebb01f808cb"); 57 TestMD5Sum("abcdefghijklmnopqrstuvwxyz", "c3fcd3d76192e4007dfb496cca67e13b"); 58 } 59 60 TEST(MD5HashTest, MD5) { 61 ArrayRef<uint8_t> Input((const uint8_t *)"abcdefghijklmnopqrstuvwxyz", 26); 62 std::array<uint8_t, 16> Vec = MD5::hash(Input); 63 MD5::MD5Result MD5Res; 64 SmallString<32> Res; 65 memcpy(MD5Res.Bytes.data(), Vec.data(), Vec.size()); 66 MD5::stringifyResult(MD5Res, Res); 67 EXPECT_EQ(Res, "c3fcd3d76192e4007dfb496cca67e13b"); 68 EXPECT_EQ(0x3be167ca6c49fb7dULL, MD5Res.high()); 69 EXPECT_EQ(0x00e49261d7d3fcc3ULL, MD5Res.low()); 70 } 71 } 72