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- // 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.
- }
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