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: 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 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
