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| 1 /* | |
| 2 * Copyright 2012 The WebRTC Project Authors. All rights reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include "webrtc/base/md5digest.h" | |
| 12 #include "webrtc/base/gunit.h" | |
| 13 #include "webrtc/base/stringencode.h" | |
| 14 | |
| 15 namespace rtc { | |
| 16 | |
| 17 std::string Md5(const std::string& input) { | |
| 18 Md5Digest md5; | |
| 19 return ComputeDigest(&md5, input); | |
| 20 } | |
| 21 | |
| 22 TEST(Md5DigestTest, TestSize) { | |
| 23 Md5Digest md5; | |
| 24 EXPECT_EQ(16, static_cast<int>(Md5Digest::kSize)); | |
| 25 EXPECT_EQ(16U, md5.Size()); | |
| 26 } | |
| 27 | |
| 28 TEST(Md5DigestTest, TestBasic) { | |
| 29 // These are the standard MD5 test vectors from RFC 1321. | |
| 30 EXPECT_EQ("d41d8cd98f00b204e9800998ecf8427e", Md5("")); | |
| 31 EXPECT_EQ("0cc175b9c0f1b6a831c399e269772661", Md5("a")); | |
| 32 EXPECT_EQ("900150983cd24fb0d6963f7d28e17f72", Md5("abc")); | |
| 33 EXPECT_EQ("f96b697d7cb7938d525a2f31aaf161d0", Md5("message digest")); | |
| 34 EXPECT_EQ("c3fcd3d76192e4007dfb496cca67e13b", | |
| 35 Md5("abcdefghijklmnopqrstuvwxyz")); | |
| 36 } | |
| 37 | |
| 38 TEST(Md5DigestTest, TestMultipleUpdates) { | |
| 39 Md5Digest md5; | |
| 40 std::string input = "abcdefghijklmnopqrstuvwxyz"; | |
| 41 char output[Md5Digest::kSize]; | |
| 42 for (size_t i = 0; i < input.size(); ++i) { | |
| 43 md5.Update(&input[i], 1); | |
| 44 } | |
| 45 EXPECT_EQ(md5.Size(), md5.Finish(output, sizeof(output))); | |
| 46 EXPECT_EQ("c3fcd3d76192e4007dfb496cca67e13b", | |
| 47 hex_encode(output, sizeof(output))); | |
| 48 } | |
| 49 | |
| 50 TEST(Md5DigestTest, TestReuse) { | |
| 51 Md5Digest md5; | |
| 52 std::string input = "message digest"; | |
| 53 EXPECT_EQ("f96b697d7cb7938d525a2f31aaf161d0", ComputeDigest(&md5, input)); | |
| 54 input = "abcdefghijklmnopqrstuvwxyz"; | |
| 55 EXPECT_EQ("c3fcd3d76192e4007dfb496cca67e13b", ComputeDigest(&md5, input)); | |
| 56 } | |
| 57 | |
| 58 TEST(Md5DigestTest, TestBufferTooSmall) { | |
| 59 Md5Digest md5; | |
| 60 std::string input = "abcdefghijklmnopqrstuvwxyz"; | |
| 61 char output[Md5Digest::kSize - 1]; | |
| 62 md5.Update(input.c_str(), input.size()); | |
| 63 EXPECT_EQ(0U, md5.Finish(output, sizeof(output))); | |
| 64 } | |
| 65 | |
| 66 TEST(Md5DigestTest, TestBufferConst) { | |
| 67 Md5Digest md5; | |
| 68 const int kLongSize = 1000000; | |
| 69 std::string input(kLongSize, '\0'); | |
| 70 for (int i = 0; i < kLongSize; ++i) { | |
| 71 input[i] = static_cast<char>(i); | |
| 72 } | |
| 73 md5.Update(input.c_str(), input.size()); | |
| 74 for (int i = 0; i < kLongSize; ++i) { | |
| 75 EXPECT_EQ(static_cast<char>(i), input[i]); | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 } // namespace rtc | |
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