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//===- llvm/unittest/Support/MD5Test.cpp - MD5 tests ----------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements unit tests for the MD5 functions.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/MD5.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/SmallString.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
/// Tests an arbitrary set of bytes passed as \p Input.
void TestMD5Sum(ArrayRef<uint8_t> Input, StringRef Final) {
MD5 Hash;
Hash.update(Input);
MD5::MD5Result MD5Res;
Hash.final(MD5Res);
SmallString<32> Res;
MD5::stringifyResult(MD5Res, Res);
EXPECT_EQ(Res, Final);
}
void TestMD5Sum(StringRef Input, StringRef Final) {
MD5 Hash;
Hash.update(Input);
MD5::MD5Result MD5Res;
Hash.final(MD5Res);
SmallString<32> Res;
MD5::stringifyResult(MD5Res, Res);
EXPECT_EQ(Res, Final);
}
TEST(MD5Test, MD5) {
TestMD5Sum(makeArrayRef((const uint8_t *)"", (size_t) 0),
"d41d8cd98f00b204e9800998ecf8427e");
TestMD5Sum(makeArrayRef((const uint8_t *)"a", (size_t) 1),
"0cc175b9c0f1b6a831c399e269772661");
TestMD5Sum(makeArrayRef((const uint8_t *)"abcdefghijklmnopqrstuvwxyz",
(size_t) 26),
"c3fcd3d76192e4007dfb496cca67e13b");
TestMD5Sum(makeArrayRef((const uint8_t *)"\0", (size_t) 1),
"93b885adfe0da089cdf634904fd59f71");
TestMD5Sum(makeArrayRef((const uint8_t *)"a\0", (size_t) 2),
"4144e195f46de78a3623da7364d04f11");
TestMD5Sum(makeArrayRef((const uint8_t *)"abcdefghijklmnopqrstuvwxyz\0",
(size_t) 27),
"81948d1f1554f58cd1a56ebb01f808cb");
TestMD5Sum("abcdefghijklmnopqrstuvwxyz", "c3fcd3d76192e4007dfb496cca67e13b");
}
TEST(MD5HashTest, MD5) {
ArrayRef<uint8_t> Input((const uint8_t *)"abcdefghijklmnopqrstuvwxyz", 26);
std::array<uint8_t, 16> Vec = MD5::hash(Input);
MD5::MD5Result MD5Res;
SmallString<32> Res;
memcpy(MD5Res.Bytes.data(), Vec.data(), Vec.size());
MD5::stringifyResult(MD5Res, Res);
EXPECT_EQ(Res, "c3fcd3d76192e4007dfb496cca67e13b");
EXPECT_EQ(0x3be167ca6c49fb7dULL, MD5Res.high());
EXPECT_EQ(0x00e49261d7d3fcc3ULL, MD5Res.low());
}
}
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