| Dimitry Ivanov | fa4aeed | 2016-04-05 13:29:50 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <stdlib.h> |
| 18 | #include <string.h> |
| 19 | #include <sys/mman.h> |
| 20 | |
| 21 | #include <gtest/gtest.h> |
| 22 | |
| 23 | #include "../linker_sleb128.h" |
| 24 | |
| 25 | TEST(linker_sleb128, smoke) { |
| 26 | std::vector<uint8_t> encoding; |
| 27 | // 624485 |
| 28 | encoding.push_back(0xe5); |
| 29 | encoding.push_back(0x8e); |
| 30 | encoding.push_back(0x26); |
| 31 | // 0 |
| 32 | encoding.push_back(0x00); |
| 33 | // 1 |
| 34 | encoding.push_back(0x01); |
| 35 | // 63 |
| 36 | encoding.push_back(0x3f); |
| 37 | // 64 |
| 38 | encoding.push_back(0xc0); |
| 39 | encoding.push_back(0x00); |
| 40 | // -1 |
| 41 | encoding.push_back(0x7f); |
| 42 | // -624485 |
| 43 | encoding.push_back(0x9b); |
| 44 | encoding.push_back(0xf1); |
| 45 | encoding.push_back(0x59); |
| 46 | // 2147483647 |
| 47 | encoding.push_back(0xff); |
| 48 | encoding.push_back(0xff); |
| 49 | encoding.push_back(0xff); |
| 50 | encoding.push_back(0xff); |
| 51 | encoding.push_back(0x07); |
| 52 | // -2147483648 |
| 53 | encoding.push_back(0x80); |
| 54 | encoding.push_back(0x80); |
| 55 | encoding.push_back(0x80); |
| 56 | encoding.push_back(0x80); |
| 57 | encoding.push_back(0x78); |
| 58 | #if defined(__LP64__) |
| 59 | // 9223372036854775807 |
| 60 | encoding.push_back(0xff); |
| 61 | encoding.push_back(0xff); |
| 62 | encoding.push_back(0xff); |
| 63 | encoding.push_back(0xff); |
| 64 | encoding.push_back(0xff); |
| 65 | encoding.push_back(0xff); |
| 66 | encoding.push_back(0xff); |
| 67 | encoding.push_back(0xff); |
| 68 | encoding.push_back(0xff); |
| 69 | encoding.push_back(0x00); |
| 70 | // -9223372036854775808 |
| 71 | encoding.push_back(0x80); |
| 72 | encoding.push_back(0x80); |
| 73 | encoding.push_back(0x80); |
| 74 | encoding.push_back(0x80); |
| 75 | encoding.push_back(0x80); |
| 76 | encoding.push_back(0x80); |
| 77 | encoding.push_back(0x80); |
| 78 | encoding.push_back(0x80); |
| 79 | encoding.push_back(0x80); |
| 80 | encoding.push_back(0x7f); |
| 81 | #endif |
| 82 | sleb128_decoder decoder(&encoding[0], encoding.size()); |
| 83 | |
| 84 | EXPECT_EQ(624485U, decoder.pop_front()); |
| 85 | |
| 86 | EXPECT_EQ(0U, decoder.pop_front()); |
| 87 | EXPECT_EQ(1U, decoder.pop_front()); |
| 88 | EXPECT_EQ(63U, decoder.pop_front()); |
| 89 | EXPECT_EQ(64U, decoder.pop_front()); |
| 90 | EXPECT_EQ(static_cast<size_t>(-1), decoder.pop_front()); |
| 91 | EXPECT_EQ(static_cast<size_t>(-624485), decoder.pop_front()); |
| 92 | EXPECT_EQ(2147483647U, decoder.pop_front()); |
| 93 | EXPECT_EQ(static_cast<size_t>(-2147483648), decoder.pop_front()); |
| 94 | #if defined(__LP64__) |
| 95 | EXPECT_EQ(9223372036854775807ULL, decoder.pop_front()); |
| 96 | EXPECT_EQ(static_cast<uint64_t>(-9223372036854775807LL - 1), decoder.pop_front()); |
| 97 | #endif |
| 98 | } |