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/*
* Copyright 2012 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "rtc_base/sha1digest.h"
#include "rtc_base/gunit.h"
#include "rtc_base/stringencode.h"
namespace rtc {
std::string Sha1(const std::string& input) {
Sha1Digest sha1;
return ComputeDigest(&sha1, input);
}
TEST(Sha1DigestTest, TestSize) {
Sha1Digest sha1;
EXPECT_EQ(20, static_cast<int>(Sha1Digest::kSize));
EXPECT_EQ(20U, sha1.Size());
}
TEST(Sha1DigestTest, TestBasic) {
// Test vectors from sha1.c.
EXPECT_EQ("da39a3ee5e6b4b0d3255bfef95601890afd80709", Sha1(""));
EXPECT_EQ("a9993e364706816aba3e25717850c26c9cd0d89d", Sha1("abc"));
EXPECT_EQ("84983e441c3bd26ebaae4aa1f95129e5e54670f1",
Sha1("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"));
std::string a_million_as(1000000, 'a');
EXPECT_EQ("34aa973cd4c4daa4f61eeb2bdbad27316534016f", Sha1(a_million_as));
}
TEST(Sha1DigestTest, TestMultipleUpdates) {
Sha1Digest sha1;
std::string input =
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
char output[Sha1Digest::kSize];
for (size_t i = 0; i < input.size(); ++i) {
sha1.Update(&input[i], 1);
}
EXPECT_EQ(sha1.Size(), sha1.Finish(output, sizeof(output)));
EXPECT_EQ("84983e441c3bd26ebaae4aa1f95129e5e54670f1",
hex_encode(output, sizeof(output)));
}
TEST(Sha1DigestTest, TestReuse) {
Sha1Digest sha1;
std::string input = "abc";
EXPECT_EQ("a9993e364706816aba3e25717850c26c9cd0d89d",
ComputeDigest(&sha1, input));
input = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
EXPECT_EQ("84983e441c3bd26ebaae4aa1f95129e5e54670f1",
ComputeDigest(&sha1, input));
}
TEST(Sha1DigestTest, TestBufferTooSmall) {
Sha1Digest sha1;
std::string input = "abcdefghijklmnopqrstuvwxyz";
char output[Sha1Digest::kSize - 1];
sha1.Update(input.c_str(), input.size());
EXPECT_EQ(0U, sha1.Finish(output, sizeof(output)));
}
TEST(Sha1DigestTest, TestBufferConst) {
Sha1Digest sha1;
const int kLongSize = 1000000;
std::string input(kLongSize, '\0');
for (int i = 0; i < kLongSize; ++i) {
input[i] = static_cast<char>(i);
}
sha1.Update(input.c_str(), input.size());
for (int i = 0; i < kLongSize; ++i) {
EXPECT_EQ(static_cast<char>(i), input[i]);
}
}
} // namespace rtc
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