1 /*
2 * Copyright 2013 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7 #include "Test.h"
8 #include "SkMD5.h"
9
digests_equal(const SkMD5::Digest & expectedDigest,const SkMD5::Digest & computedDigest)10 static bool digests_equal(const SkMD5::Digest& expectedDigest, const SkMD5::Digest& computedDigest) {
11 for (size_t i = 0; i < SK_ARRAY_COUNT(expectedDigest.data); ++i) {
12 if (expectedDigest.data[i] != computedDigest.data[i]) {
13 return false;
14 }
15 }
16 return true;
17 }
18
md5_test(const char * string,const SkMD5::Digest & expectedDigest,skiatest::Reporter * reporter)19 static void md5_test(const char* string, const SkMD5::Digest& expectedDigest, skiatest::Reporter* reporter) {
20 size_t len = strlen(string);
21
22 // All at once
23 {
24 SkMD5 context;
25 context.update(reinterpret_cast<const uint8_t*>(string), len);
26 SkMD5::Digest digest;
27 context.finish(digest);
28
29 REPORTER_ASSERT(reporter, digests_equal(expectedDigest, digest));
30 }
31
32 // One byte at a time.
33 {
34 SkMD5 context;
35 const uint8_t* data = reinterpret_cast<const uint8_t*>(string);
36 const uint8_t* end = reinterpret_cast<const uint8_t*>(string + len);
37 for (; data < end; ++data) {
38 context.update(data, 1);
39 }
40 SkMD5::Digest digest;
41 context.finish(digest);
42
43 REPORTER_ASSERT(reporter, digests_equal(expectedDigest, digest));
44 }
45 }
46
47 static struct MD5Test {
48 const char* message;
49 SkMD5::Digest digest;
50 } md5_tests[] = {
51 // Reference tests from RFC1321 Section A.5 ( http://www.ietf.org/rfc/rfc1321.txt )
52 { "", {{ 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04, 0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e }} },
53 { "a", {{ 0x0c, 0xc1, 0x75, 0xb9, 0xc0, 0xf1, 0xb6, 0xa8, 0x31, 0xc3, 0x99, 0xe2, 0x69, 0x77, 0x26, 0x61 }} },
54 { "abc", {{ 0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0, 0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72 }} },
55 { "message digest", {{ 0xf9, 0x6b, 0x69, 0x7d, 0x7c, 0xb7, 0x93, 0x8d, 0x52, 0x5a, 0x2f, 0x31, 0xaa, 0xf1, 0x61, 0xd0 }} },
56 { "abcdefghijklmnopqrstuvwxyz", {{ 0xc3, 0xfc, 0xd3, 0xd7, 0x61, 0x92, 0xe4, 0x00, 0x7d, 0xfb, 0x49, 0x6c, 0xca, 0x67, 0xe1, 0x3b }} },
57 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", {{ 0xd1, 0x74, 0xab, 0x98, 0xd2, 0x77, 0xd9, 0xf5, 0xa5, 0x61, 0x1c, 0x2c, 0x9f, 0x41, 0x9d, 0x9f }} },
58 { "12345678901234567890123456789012345678901234567890123456789012345678901234567890", {{ 0x57, 0xed, 0xf4, 0xa2, 0x2b, 0xe3, 0xc9, 0x55, 0xac, 0x49, 0xda, 0x2e, 0x21, 0x07, 0xb6, 0x7a }} },
59 };
60
TestMD5(skiatest::Reporter * reporter)61 static void TestMD5(skiatest::Reporter* reporter) {
62 for (size_t i = 0; i < SK_ARRAY_COUNT(md5_tests); ++i) {
63 md5_test(md5_tests[i].message, md5_tests[i].digest, reporter);
64 }
65 }
66
67 #include "TestClassDef.h"
68 DEFINE_TESTCLASS("MD5", MD5TestClass, TestMD5)
69