| // 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 "courgette/base_test_unittest.h" |
| |
| #include <stddef.h> |
| |
| #include <string> |
| |
| #include "courgette/courgette.h" |
| #include "courgette/streams.h" |
| #include "courgette/third_party/bsdiff/bsdiff.h" |
| |
| class VersioningTest : public BaseTest { |
| public: |
| void TestApplyingOldBsDiffPatch(const char* src_file, |
| const char* patch_file, |
| const char* expected_file) const; |
| }; |
| |
| void VersioningTest::TestApplyingOldBsDiffPatch( |
| const char* src_file, |
| const char* patch_file, |
| const char* expected_file) const { |
| std::string old_buffer = FileContents(src_file); |
| std::string new_buffer = FileContents(patch_file); |
| std::string expected_buffer = FileContents(expected_file); |
| |
| courgette::SourceStream old_stream; |
| courgette::SourceStream patch_stream; |
| old_stream.Init(old_buffer); |
| patch_stream.Init(new_buffer); |
| |
| courgette::SinkStream generated_stream; |
| |
| bsdiff::BSDiffStatus status = bsdiff::ApplyBinaryPatch( |
| &old_stream, &patch_stream, &generated_stream); |
| |
| EXPECT_EQ(status, bsdiff::OK); |
| |
| size_t expected_length = expected_buffer.size(); |
| size_t generated_length = generated_stream.Length(); |
| |
| EXPECT_EQ(generated_length, expected_length); |
| EXPECT_EQ(0, memcmp(generated_stream.Buffer(), |
| expected_buffer.c_str(), |
| expected_length)); |
| } |
| |
| TEST_F(VersioningTest, BsDiff) { |
| TestApplyingOldBsDiffPatch("setup1.exe", "setup1-setup2.v1.bsdiff", |
| "setup2.exe"); |
| TestApplyingOldBsDiffPatch("chrome64_1.exe", "chrome64-1-2.v1.bsdiff", |
| "chrome64_2.exe"); |
| |
| // We also need a way to test that newly generated patches are appropriately |
| // applicable by older clients... not sure of the best way to do that. |
| } |