1 /* 2 * Copyright (C) 2016 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_sleb128.h" 36 37 TEST(linker_sleb128, smoke) { 38 std::vector<uint8_t> encoding; 39 // 624485 40 encoding.push_back(0xe5); 41 encoding.push_back(0x8e); 42 encoding.push_back(0x26); 43 // 0 44 encoding.push_back(0x00); 45 // 1 46 encoding.push_back(0x01); 47 // 63 48 encoding.push_back(0x3f); 49 // 64 50 encoding.push_back(0xc0); 51 encoding.push_back(0x00); 52 // -1 53 encoding.push_back(0x7f); 54 // -624485 55 encoding.push_back(0x9b); 56 encoding.push_back(0xf1); 57 encoding.push_back(0x59); 58 // 2147483647 59 encoding.push_back(0xff); 60 encoding.push_back(0xff); 61 encoding.push_back(0xff); 62 encoding.push_back(0xff); 63 encoding.push_back(0x07); 64 // -2147483648 65 encoding.push_back(0x80); 66 encoding.push_back(0x80); 67 encoding.push_back(0x80); 68 encoding.push_back(0x80); 69 encoding.push_back(0x78); 70 #if defined(__LP64__) 71 // 9223372036854775807 72 encoding.push_back(0xff); 73 encoding.push_back(0xff); 74 encoding.push_back(0xff); 75 encoding.push_back(0xff); 76 encoding.push_back(0xff); 77 encoding.push_back(0xff); 78 encoding.push_back(0xff); 79 encoding.push_back(0xff); 80 encoding.push_back(0xff); 81 encoding.push_back(0x00); 82 // -9223372036854775808 83 encoding.push_back(0x80); 84 encoding.push_back(0x80); 85 encoding.push_back(0x80); 86 encoding.push_back(0x80); 87 encoding.push_back(0x80); 88 encoding.push_back(0x80); 89 encoding.push_back(0x80); 90 encoding.push_back(0x80); 91 encoding.push_back(0x80); 92 encoding.push_back(0x7f); 93 #endif 94 sleb128_decoder decoder(&encoding[0], encoding.size()); 95 96 EXPECT_EQ(624485U, decoder.pop_front()); 97 98 EXPECT_EQ(0U, decoder.pop_front()); 99 EXPECT_EQ(1U, decoder.pop_front()); 100 EXPECT_EQ(63U, decoder.pop_front()); 101 EXPECT_EQ(64U, decoder.pop_front()); 102 EXPECT_EQ(static_cast<size_t>(-1), decoder.pop_front()); 103 EXPECT_EQ(static_cast<size_t>(-624485), decoder.pop_front()); 104 EXPECT_EQ(2147483647U, decoder.pop_front()); 105 EXPECT_EQ(static_cast<size_t>(-2147483648), decoder.pop_front()); 106 #if defined(__LP64__) 107 EXPECT_EQ(9223372036854775807ULL, decoder.pop_front()); 108 EXPECT_EQ(static_cast<uint64_t>(-9223372036854775807LL - 1), decoder.pop_front()); 109 #endif 110 } 111
