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 <gtest/gtest.h> 18 19 #include "utils.h" 20 21 static bool ModulesMatch(const char* p, const char* q) { 22 if (p == nullptr && q == nullptr) { 23 return true; 24 } 25 if (p != nullptr && q != nullptr) { 26 return strcmp(p, q) == 0; 27 } 28 return false; 29 } 30 31 static bool KernelSymbolsMatch(const KernelSymbol& sym1, 32 const KernelSymbol& sym2) { 33 return sym1.addr == sym2.addr && sym1.type == sym2.type && 34 strcmp(sym1.name, sym2.name) == 0 && 35 ModulesMatch(sym1.module, sym2.module); 36 } 37 38 TEST(utils, ProcessKernelSymbols) { 39 std::string data = 40 "ffffffffa005c4e4 d __warned.41698 [libsas]\n" 41 "aaaaaaaaaaaaaaaa T _text\n" 42 "cccccccccccccccc c ccccc\n"; 43 KernelSymbol expected_symbol; 44 expected_symbol.addr = 0xffffffffa005c4e4ULL; 45 expected_symbol.type = 'd'; 46 expected_symbol.name = "__warned.41698"; 47 expected_symbol.module = "libsas"; 48 ASSERT_TRUE(ProcessKernelSymbols( 49 data, 50 std::bind(&KernelSymbolsMatch, std::placeholders::_1, expected_symbol))); 51 52 expected_symbol.addr = 0xaaaaaaaaaaaaaaaaULL; 53 expected_symbol.type = 'T'; 54 expected_symbol.name = "_text"; 55 expected_symbol.module = nullptr; 56 ASSERT_TRUE(ProcessKernelSymbols( 57 data, 58 std::bind(&KernelSymbolsMatch, std::placeholders::_1, expected_symbol))); 59 60 expected_symbol.name = "non_existent_symbol"; 61 ASSERT_FALSE(ProcessKernelSymbols( 62 data, 63 std::bind(&KernelSymbolsMatch, std::placeholders::_1, expected_symbol))); 64 } 65 66 TEST(utils, ConvertBytesToValue) { 67 char buf[8]; 68 for (int i = 0; i < 8; ++i) { 69 buf[i] = i; 70 } 71 ASSERT_EQ(0x1ULL, ConvertBytesToValue(buf + 1, 1)); 72 ASSERT_EQ(0x201ULL, ConvertBytesToValue(buf + 1, 2)); 73 ASSERT_EQ(0x05040302ULL, ConvertBytesToValue(buf + 2, 4)); 74 ASSERT_EQ(0x0706050403020100ULL, ConvertBytesToValue(buf, 8)); 75 } 76
