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
TestApplyingOldPatch(const char * src_file,const char * patch_file,const char * expected_file) const20 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
TEST_F(VersioningTest,All)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