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fa2161f1a7
In doing so, clean up the MD5 interface a little. Most existing users only care about the lower 8 bytes of an MD5, but for some users that care about the upper and lower, there wasn't a good interface. Furthermore, consumers of the MD5 checksum were required to handle endianness details on their own, so it seems reasonable to abstract this into a nicer interface that just gives you the right value. Differential Revision: https://reviews.llvm.org/D31105 llvm-svn: 298322
73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
//===- llvm/unittest/Support/MD5Test.cpp - MD5 tests ----------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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/ADT/ArrayRef.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Support/MD5.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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/// \brief 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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