1*a3a45f30SXin Li // Copyright 2016 The Chromium OS Authors. All rights reserved.
2*a3a45f30SXin Li // Use of this source code is governed by a BSD-style license that can be
3*a3a45f30SXin Li // found in the LICENSE file.
4*a3a45f30SXin Li
5*a3a45f30SXin Li #include "bsdiff/bspatch.h"
6*a3a45f30SXin Li
7*a3a45f30SXin Li #include <unistd.h>
8*a3a45f30SXin Li
9*a3a45f30SXin Li #include <gtest/gtest.h>
10*a3a45f30SXin Li
11*a3a45f30SXin Li #include "bsdiff/test_utils.h"
12*a3a45f30SXin Li
13*a3a45f30SXin Li namespace bsdiff {
14*a3a45f30SXin Li
15*a3a45f30SXin Li class BspatchTest : public testing::Test {
16*a3a45f30SXin Li protected:
BspatchTest()17*a3a45f30SXin Li BspatchTest()
18*a3a45f30SXin Li : old_file_("bsdiff_oldfile.XXXXXX"),
19*a3a45f30SXin Li new_file_("bsdiff_newfile.XXXXXX") {}
20*a3a45f30SXin Li
21*a3a45f30SXin Li test_utils::ScopedTempFile old_file_;
22*a3a45f30SXin Li test_utils::ScopedTempFile new_file_;
23*a3a45f30SXin Li };
24*a3a45f30SXin Li
TEST_F(BspatchTest,IsOverlapping)25*a3a45f30SXin Li TEST_F(BspatchTest, IsOverlapping) {
26*a3a45f30SXin Li const char* old_filename = old_file_.c_str();
27*a3a45f30SXin Li const char* new_filename = new_file_.c_str();
28*a3a45f30SXin Li EXPECT_FALSE(IsOverlapping(old_filename, "does-not-exist", {}, {}));
29*a3a45f30SXin Li EXPECT_FALSE(IsOverlapping(old_filename, new_filename, {}, {}));
30*a3a45f30SXin Li EXPECT_EQ(0, unlink(new_filename));
31*a3a45f30SXin Li EXPECT_EQ(0, symlink(old_filename, new_filename));
32*a3a45f30SXin Li EXPECT_TRUE(IsOverlapping(old_filename, new_filename, {}, {}));
33*a3a45f30SXin Li EXPECT_TRUE(IsOverlapping(old_filename, old_filename, {}, {}));
34*a3a45f30SXin Li EXPECT_FALSE(IsOverlapping(old_filename, old_filename, {{0, 1}}, {{1, 1}}));
35*a3a45f30SXin Li EXPECT_FALSE(IsOverlapping(old_filename, old_filename, {{2, 1}}, {{1, 1}}));
36*a3a45f30SXin Li EXPECT_TRUE(IsOverlapping(old_filename, old_filename, {{0, 1}}, {{0, 1}}));
37*a3a45f30SXin Li EXPECT_TRUE(IsOverlapping(old_filename, old_filename, {{0, 4}}, {{2, 1}}));
38*a3a45f30SXin Li EXPECT_TRUE(IsOverlapping(old_filename, old_filename, {{1, 1}}, {{0, 2}}));
39*a3a45f30SXin Li EXPECT_TRUE(IsOverlapping(old_filename, old_filename, {{3, 2}}, {{2, 2}}));
40*a3a45f30SXin Li }
41*a3a45f30SXin Li
42*a3a45f30SXin Li } // namespace bsdiff
43