1 // Copyright 2016 The Chromium OS 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 "bsdiff/bspatch.h"
6
7 #include <unistd.h>
8
9 #include <gtest/gtest.h>
10
11 #include "bsdiff/test_utils.h"
12
13 namespace bsdiff {
14
15 class BspatchTest : public testing::Test {
16 protected:
BspatchTest()17 BspatchTest()
18 : old_file_("bsdiff_oldfile.XXXXXX"),
19 new_file_("bsdiff_newfile.XXXXXX") {}
20
21 test_utils::ScopedTempFile old_file_;
22 test_utils::ScopedTempFile new_file_;
23 };
24
TEST_F(BspatchTest,IsOverlapping)25 TEST_F(BspatchTest, IsOverlapping) {
26 const char* old_filename = old_file_.c_str();
27 const char* new_filename = new_file_.c_str();
28 EXPECT_FALSE(IsOverlapping(old_filename, "does-not-exist", {}, {}));
29 EXPECT_FALSE(IsOverlapping(old_filename, new_filename, {}, {}));
30 EXPECT_EQ(0, unlink(new_filename));
31 EXPECT_EQ(0, symlink(old_filename, new_filename));
32 EXPECT_TRUE(IsOverlapping(old_filename, new_filename, {}, {}));
33 EXPECT_TRUE(IsOverlapping(old_filename, old_filename, {}, {}));
34 EXPECT_FALSE(IsOverlapping(old_filename, old_filename, {{0, 1}}, {{1, 1}}));
35 EXPECT_FALSE(IsOverlapping(old_filename, old_filename, {{2, 1}}, {{1, 1}}));
36 EXPECT_TRUE(IsOverlapping(old_filename, old_filename, {{0, 1}}, {{0, 1}}));
37 EXPECT_TRUE(IsOverlapping(old_filename, old_filename, {{0, 4}}, {{2, 1}}));
38 EXPECT_TRUE(IsOverlapping(old_filename, old_filename, {{1, 1}}, {{0, 2}}));
39 EXPECT_TRUE(IsOverlapping(old_filename, old_filename, {{3, 2}}, {{2, 2}}));
40 }
41
42 } // namespace bsdiff
43