1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <stdlib.h> 30 #include <string.h> 31 #include <sys/mman.h> 32 33 #include <gtest/gtest.h> 34 35 #include "../linker_utils.h" 36 37 TEST(linker_utils, format_string) { 38 std::vector<std::pair<std::string, std::string>> params = {{ "LIB", "lib32"}, { "SDKVER", "42"}}; 39 std::string str_smoke = "LIB$LIB${LIB${SDKVER}SDKVER$TEST$"; 40 format_string(&str_smoke, params); 41 ASSERT_EQ("LIBlib32${LIB42SDKVER$TEST$", str_smoke); 42 } 43 44 TEST(linker_utils, normalize_path_smoke) { 45 std::string output; 46 ASSERT_TRUE(normalize_path("/../root///dir/.///dir2/somedir/../zipfile!/dir/dir9//..///afile", &output)); 47 ASSERT_EQ("/root/dir/dir2/zipfile!/dir/afile", output); 48 49 ASSERT_TRUE(normalize_path("/../root///dir/.///dir2/somedir/.../zipfile!/.dir/dir9//..///afile", &output)); 50 ASSERT_EQ("/root/dir/dir2/somedir/.../zipfile!/.dir/afile", output); 51 52 ASSERT_TRUE(normalize_path("/root/..", &output)); 53 ASSERT_EQ("/", output); 54 55 ASSERT_TRUE(normalize_path("/root/notroot/..", &output)); 56 ASSERT_EQ("/root/", output); 57 58 ASSERT_TRUE(normalize_path("/a/../../b", &output)); 59 ASSERT_EQ("/b", output); 60 61 output = "unchanged"; 62 ASSERT_FALSE(normalize_path("root///dir/.///dir2/somedir/../zipfile!/dir/dir9//..///afile", &output)); 63 ASSERT_EQ("unchanged", output); 64 } 65 66 TEST(linker_utils, file_is_in_dir_smoke) { 67 ASSERT_TRUE(file_is_in_dir("/foo/bar/file", "/foo/bar")); 68 ASSERT_FALSE(file_is_in_dir("/foo/bar/file", "/foo")); 69 70 ASSERT_FALSE(file_is_in_dir("/foo/bar/file", "/bar/foo")); 71 72 ASSERT_TRUE(file_is_in_dir("/file", "")); 73 ASSERT_FALSE(file_is_in_dir("/file", "/")); 74 } 75 76 TEST(linker_utils, file_is_under_dir_smoke) { 77 ASSERT_TRUE(file_is_under_dir("/foo/bar/file", "/foo/bar")); 78 ASSERT_TRUE(file_is_under_dir("/foo/bar/file", "/foo")); 79 80 ASSERT_FALSE(file_is_under_dir("/foo/bar/file", "/bar/foo")); 81 82 ASSERT_TRUE(file_is_under_dir("/file", "")); 83 ASSERT_TRUE(file_is_under_dir("/foo/bar/file", "")); 84 ASSERT_FALSE(file_is_under_dir("/file", "/")); 85 ASSERT_FALSE(file_is_under_dir("/foo/bar/file", "/")); 86 } 87 88 TEST(linker_utils, parse_zip_path_smoke) { 89 std::string zip_path; 90 std::string entry_path; 91 92 ASSERT_FALSE(parse_zip_path("/not/a/zip/path/file.zip", &zip_path, &entry_path)); 93 ASSERT_FALSE(parse_zip_path("/not/a/zip/path/file.zip!path/in/zip", &zip_path, &entry_path)); 94 ASSERT_TRUE(parse_zip_path("/zip/path/file.zip!/path/in/zip", &zip_path, &entry_path)); 95 ASSERT_EQ("/zip/path/file.zip", zip_path); 96 ASSERT_EQ("path/in/zip", entry_path); 97 98 ASSERT_TRUE(parse_zip_path("/zip/path/file2.zip!/", &zip_path, &entry_path)); 99 ASSERT_EQ("/zip/path/file2.zip", zip_path); 100 ASSERT_EQ("", entry_path); 101 } 102 103 TEST(linker_utils, page_start) { 104 ASSERT_EQ(0x0001000, page_start(0x0001000)); 105 ASSERT_EQ(0x3002000, page_start(0x300222f)); 106 ASSERT_EQ(0x6001000, page_start(0x6001fff)); 107 } 108 109 TEST(linker_utils, page_offset) { 110 ASSERT_EQ(0x0U, page_offset(0x0001000)); 111 ASSERT_EQ(0x22fU, page_offset(0x300222f)); 112 ASSERT_EQ(0xfffU, page_offset(0x6001fff)); 113 } 114 115 TEST(linker_utils, safe_add) { 116 int64_t val = 42; 117 ASSERT_FALSE(safe_add(&val, INT64_MAX-20, 21U)); 118 ASSERT_EQ(42, val); 119 ASSERT_TRUE(safe_add(&val, INT64_MAX-42, 42U)); 120 ASSERT_EQ(INT64_MAX, val); 121 ASSERT_TRUE(safe_add(&val, 2000, 42U)); 122 ASSERT_EQ(2042, val); 123 } 124
