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 3 // found in the LICENSE file. 4 5 #include "courgette/base_test_unittest.h" 6 7 #include <string> 8 9 #include "base/basictypes.h" 10 #include "courgette/courgette.h" 11 #include "courgette/streams.h" 12 13 class VersioningTest : public BaseTest { 14 public: 15 void TestApplyingOldPatch(const char* src_file, 16 const char* patch_file, 17 const char* expected_file) const; 18 }; 19 20 void VersioningTest::TestApplyingOldPatch(const char* src_file, 21 const char* patch_file, 22 const char* expected_file) const { 23 std::string old_buffer = FileContents(src_file); 24 std::string new_buffer = FileContents(patch_file); 25 std::string expected_buffer = FileContents(expected_file); 26 27 courgette::SourceStream old_stream; 28 courgette::SourceStream patch_stream; 29 old_stream.Init(old_buffer); 30 patch_stream.Init(new_buffer); 31 32 courgette::SinkStream generated_stream; 33 34 courgette::Status status = 35 courgette::ApplyEnsemblePatch(&old_stream, 36 &patch_stream, 37 &generated_stream); 38 39 EXPECT_EQ(status, courgette::C_OK); 40 41 size_t expected_length = expected_buffer.size(); 42 size_t generated_length = generated_stream.Length(); 43 44 EXPECT_EQ(generated_length, expected_length); 45 EXPECT_EQ(0, memcmp(generated_stream.Buffer(), 46 expected_buffer.c_str(), 47 expected_length)); 48 } 49 50 51 TEST_F(VersioningTest, All) { 52 TestApplyingOldPatch("setup1.exe", "setup1-setup2.v1.patch", "setup2.exe"); 53 TestApplyingOldPatch("chrome64_1.exe", "chrome64-1-2.v1.patch", 54 "chrome64_2.exe"); 55 56 // We also need a way to test that newly generated patches are appropriately 57 // applicable by older clients... not sure of the best way to do that. 58 } 59
