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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string.h>
#include <string>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/md5.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace base {
TEST(MD5, DigestToBase16) {
MD5Digest digest;
int data[] = {
0xd4, 0x1d, 0x8c, 0xd9,
0x8f, 0x00, 0xb2, 0x04,
0xe9, 0x80, 0x09, 0x98,
0xec, 0xf8, 0x42, 0x7e
};
for (int i = 0; i < 16; ++i)
digest.a[i] = data[i] & 0xff;
std::string actual = MD5DigestToBase16(digest);
std::string expected = "d41d8cd98f00b204e9800998ecf8427e";
EXPECT_EQ(expected, actual);
}
TEST(MD5, MD5SumEmtpyData) {
MD5Digest digest;
const char* data = "";
MD5Sum(data, strlen(data), &digest);
int expected[] = {
0xd4, 0x1d, 0x8c, 0xd9,
0x8f, 0x00, 0xb2, 0x04,
0xe9, 0x80, 0x09, 0x98,
0xec, 0xf8, 0x42, 0x7e
};
for (int i = 0; i < 16; ++i)
EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
}
TEST(MD5, MD5SumOneByteData) {
MD5Digest digest;
const char* data = "a";
MD5Sum(data, strlen(data), &digest);
int expected[] = {
0x0c, 0xc1, 0x75, 0xb9,
0xc0, 0xf1, 0xb6, 0xa8,
0x31, 0xc3, 0x99, 0xe2,
0x69, 0x77, 0x26, 0x61
};
for (int i = 0; i < 16; ++i)
EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
}
TEST(MD5, MD5SumLongData) {
const int length = 10 * 1024 * 1024 + 1;
scoped_ptr<char[]> data(new char[length]);
for (int i = 0; i < length; ++i)
data[i] = i & 0xFF;
MD5Digest digest;
MD5Sum(data.get(), length, &digest);
int expected[] = {
0x90, 0xbd, 0x6a, 0xd9,
0x0a, 0xce, 0xf5, 0xad,
0xaa, 0x92, 0x20, 0x3e,
0x21, 0xc7, 0xa1, 0x3e
};
for (int i = 0; i < 16; ++i)
EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
}
TEST(MD5, ContextWithEmptyData) {
MD5Context ctx;
MD5Init(&ctx);
MD5Digest digest;
MD5Final(&digest, &ctx);
int expected[] = {
0xd4, 0x1d, 0x8c, 0xd9,
0x8f, 0x00, 0xb2, 0x04,
0xe9, 0x80, 0x09, 0x98,
0xec, 0xf8, 0x42, 0x7e
};
for (int i = 0; i < 16; ++i)
EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
}
TEST(MD5, ContextWithLongData) {
MD5Context ctx;
MD5Init(&ctx);
const int length = 10 * 1024 * 1024 + 1;
scoped_ptr<char[]> data(new char[length]);
for (int i = 0; i < length; ++i)
data[i] = i & 0xFF;
int total = 0;
while (total < length) {
int len = 4097; // intentionally not 2^k.
if (len > length - total)
len = length - total;
MD5Update(&ctx,
StringPiece(reinterpret_cast<char*>(data.get() + total), len));
total += len;
}
EXPECT_EQ(length, total);
MD5Digest digest;
MD5Final(&digest, &ctx);
int expected[] = {
0x90, 0xbd, 0x6a, 0xd9,
0x0a, 0xce, 0xf5, 0xad,
0xaa, 0x92, 0x20, 0x3e,
0x21, 0xc7, 0xa1, 0x3e
};
for (int i = 0; i < 16; ++i)
EXPECT_EQ(expected[i], digest.a[i] & 0xFF);
}
// Example data from http://www.ietf.org/rfc/rfc1321.txt A.5 Test Suite
TEST(MD5, MD5StringTestSuite1) {
std::string actual = MD5String("");
std::string expected = "d41d8cd98f00b204e9800998ecf8427e";
EXPECT_EQ(expected, actual);
}
TEST(MD5, MD5StringTestSuite2) {
std::string actual = MD5String("a");
std::string expected = "0cc175b9c0f1b6a831c399e269772661";
EXPECT_EQ(expected, actual);
}
TEST(MD5, MD5StringTestSuite3) {
std::string actual = MD5String("abc");
std::string expected = "900150983cd24fb0d6963f7d28e17f72";
EXPECT_EQ(expected, actual);
}
TEST(MD5, MD5StringTestSuite4) {
std::string actual = MD5String("message digest");
std::string expected = "f96b697d7cb7938d525a2f31aaf161d0";
EXPECT_EQ(expected, actual);
}
TEST(MD5, MD5StringTestSuite5) {
std::string actual = MD5String("abcdefghijklmnopqrstuvwxyz");
std::string expected = "c3fcd3d76192e4007dfb496cca67e13b";
EXPECT_EQ(expected, actual);
}
TEST(MD5, MD5StringTestSuite6) {
std::string actual = MD5String("ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz"
"0123456789");
std::string expected = "d174ab98d277d9f5a5611c2c9f419d9f";
EXPECT_EQ(expected, actual);
}
TEST(MD5, MD5StringTestSuite7) {
std::string actual = MD5String("12345678901234567890"
"12345678901234567890"
"12345678901234567890"
"12345678901234567890");
std::string expected = "57edf4a22be3c955ac49da2e2107b67a";
EXPECT_EQ(expected, actual);
}
TEST(MD5, ContextWithStringData) {
MD5Context ctx;
MD5Init(&ctx);
MD5Update(&ctx, "abc");
MD5Digest digest;
MD5Final(&digest, &ctx);
std::string actual = MD5DigestToBase16(digest);
std::string expected = "900150983cd24fb0d6963f7d28e17f72";
EXPECT_EQ(expected, actual);
}
} // namespace base
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