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