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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "courgette/third_party/bsdiff/bsdiff.h" | 5 #include "courgette/third_party/bsdiff/bsdiff.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include "courgette/base_test_unittest.h" | 9 #include "courgette/base_test_unittest.h" |
10 #include "courgette/courgette.h" | 10 #include "courgette/courgette.h" |
11 #include "courgette/streams.h" | 11 #include "courgette/streams.h" |
12 | 12 |
13 class BSDiffMemoryTest : public BaseTest { | 13 class BSDiffMemoryTest : public BaseTest { |
14 public: | 14 public: |
15 void GenerateAndTestPatch(const std::string& a, const std::string& b) const; | 15 void GenerateAndTestPatch(const std::string& a, const std::string& b) const; |
16 | 16 |
17 std::string GenerateSyntheticInput(size_t length, int seed) const; | 17 std::string GenerateSyntheticInput(size_t length, int seed) const; |
18 }; | 18 }; |
19 | 19 |
20 void BSDiffMemoryTest::GenerateAndTestPatch(const std::string& old_text, | 20 void BSDiffMemoryTest::GenerateAndTestPatch(const std::string& old_text, |
21 const std::string& new_text) const { | 21 const std::string& new_text) const { |
22 courgette::SourceStream old1; | 22 courgette::SourceStream old1; |
23 courgette::SourceStream new1; | 23 courgette::SourceStream new1; |
24 old1.Init(old_text.c_str(), old_text.length()); | 24 old1.Init(old_text.c_str(), old_text.length()); |
25 new1.Init(new_text.c_str(), new_text.length()); | 25 new1.Init(new_text.c_str(), new_text.length()); |
26 | 26 |
27 courgette::SinkStream patch1; | 27 courgette::SinkStream patch1; |
28 courgette::BSDiffStatus status = CreateBinaryPatch(&old1, &new1, &patch1); | 28 bsdiff::BSDiffStatus status = |
29 EXPECT_EQ(courgette::OK, status); | 29 bsdiff::CreateBinaryPatch(&old1, &new1, &patch1); |
| 30 EXPECT_EQ(bsdiff::OK, status); |
30 | 31 |
31 courgette::SourceStream old2; | 32 courgette::SourceStream old2; |
32 courgette::SourceStream patch2; | 33 courgette::SourceStream patch2; |
33 old2.Init(old_text.c_str(), old_text.length()); | 34 old2.Init(old_text.c_str(), old_text.length()); |
34 patch2.Init(patch1); | 35 patch2.Init(patch1); |
35 | 36 |
36 courgette::SinkStream new2; | 37 courgette::SinkStream new2; |
37 status = ApplyBinaryPatch(&old2, &patch2, &new2); | 38 status = bsdiff::ApplyBinaryPatch(&old2, &patch2, &new2); |
38 EXPECT_EQ(courgette::OK, status); | 39 EXPECT_EQ(bsdiff::OK, status); |
39 EXPECT_EQ(new_text.length(), new2.Length()); | 40 EXPECT_EQ(new_text.length(), new2.Length()); |
40 EXPECT_EQ(0, memcmp(new_text.c_str(), new2.Buffer(), new_text.length())); | 41 EXPECT_EQ(0, memcmp(new_text.c_str(), new2.Buffer(), new_text.length())); |
41 } | 42 } |
42 | 43 |
43 std::string BSDiffMemoryTest::GenerateSyntheticInput(size_t length, int seed) | 44 std::string BSDiffMemoryTest::GenerateSyntheticInput(size_t length, int seed) |
44 const { | 45 const { |
45 static const char* a[8] = {"O", "A", "x", "-", "y", ".", "|", ":"}; | 46 static const char* a[8] = {"O", "A", "x", "-", "y", ".", "|", ":"}; |
46 std::string result; | 47 std::string result; |
47 while (result.length() < length) { | 48 while (result.length() < length) { |
48 seed = (seed + 17) * 1049 + (seed >> 27); | 49 seed = (seed + 17) * 1049 + (seed >> 27); |
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118 std::string file1 = FileContents("setup1.exe"); | 119 std::string file1 = FileContents("setup1.exe"); |
119 std::string file2 = FileContents("setup2.exe"); | 120 std::string file2 = FileContents("setup2.exe"); |
120 GenerateAndTestPatch(file1, file2); | 121 GenerateAndTestPatch(file1, file2); |
121 } | 122 } |
122 | 123 |
123 TEST_F(BSDiffMemoryTest, TestDifferentElfs) { | 124 TEST_F(BSDiffMemoryTest, TestDifferentElfs) { |
124 std::string file1 = FileContents("elf-32-1"); | 125 std::string file1 = FileContents("elf-32-1"); |
125 std::string file2 = FileContents("elf-32-2"); | 126 std::string file2 = FileContents("elf-32-2"); |
126 GenerateAndTestPatch(file1, file2); | 127 GenerateAndTestPatch(file1, file2); |
127 } | 128 } |
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