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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include "get_test_data.h"
#include "utils.h"
static bool ModulesMatch(const char* p, const char* q) {
if (p == nullptr && q == nullptr) {
return true;
}
if (p != nullptr && q != nullptr) {
return strcmp(p, q) == 0;
}
return false;
}
static bool KernelSymbolsMatch(const KernelSymbol& sym1,
const KernelSymbol& sym2) {
return sym1.addr == sym2.addr && sym1.type == sym2.type &&
strcmp(sym1.name, sym2.name) == 0 &&
ModulesMatch(sym1.module, sym2.module);
}
TEST(utils, ProcessKernelSymbols) {
std::string data =
"ffffffffa005c4e4 d __warned.41698 [libsas]\n"
"aaaaaaaaaaaaaaaa T _text\n"
"cccccccccccccccc c ccccc\n";
KernelSymbol expected_symbol;
expected_symbol.addr = 0xffffffffa005c4e4ULL;
expected_symbol.type = 'd';
expected_symbol.name = "__warned.41698";
expected_symbol.module = "libsas";
ASSERT_TRUE(ProcessKernelSymbols(
data,
std::bind(&KernelSymbolsMatch, std::placeholders::_1, expected_symbol)));
expected_symbol.addr = 0xaaaaaaaaaaaaaaaaULL;
expected_symbol.type = 'T';
expected_symbol.name = "_text";
expected_symbol.module = nullptr;
ASSERT_TRUE(ProcessKernelSymbols(
data,
std::bind(&KernelSymbolsMatch, std::placeholders::_1, expected_symbol)));
expected_symbol.name = "non_existent_symbol";
ASSERT_FALSE(ProcessKernelSymbols(
data,
std::bind(&KernelSymbolsMatch, std::placeholders::_1, expected_symbol)));
}
TEST(utils, ConvertBytesToValue) {
char buf[8];
for (int i = 0; i < 8; ++i) {
buf[i] = i;
}
ASSERT_EQ(0x1ULL, ConvertBytesToValue(buf + 1, 1));
ASSERT_EQ(0x201ULL, ConvertBytesToValue(buf + 1, 2));
ASSERT_EQ(0x05040302ULL, ConvertBytesToValue(buf + 2, 4));
ASSERT_EQ(0x0706050403020100ULL, ConvertBytesToValue(buf, 8));
}
TEST(utils, ArchiveHelper) {
std::unique_ptr<ArchiveHelper> ahelper = ArchiveHelper::CreateInstance(GetTestData(APK_FILE));
ASSERT_TRUE(ahelper);
bool found = false;
ZipEntry lib_entry;
ASSERT_TRUE(ahelper->IterateEntries([&](ZipEntry& entry, const std::string& name) {
if (name == NATIVELIB_IN_APK) {
found = true;
lib_entry = entry;
return false;
}
return true;
}));
ASSERT_TRUE(found);
ZipEntry entry;
ASSERT_TRUE(ahelper->FindEntry(NATIVELIB_IN_APK, &entry));
ASSERT_EQ(entry.offset, lib_entry.offset);
std::vector<uint8_t> data;
ASSERT_TRUE(ahelper->GetEntryData(entry, &data));
// Check reading wrong file formats.
ASSERT_FALSE(ArchiveHelper::CreateInstance(GetTestData(ELF_FILE)));
ASSERT_FALSE(ArchiveHelper::CreateInstance("/dev/zero"));
}
TEST(utils, GetCpusFromString) {
ASSERT_EQ(GetCpusFromString(""), std::vector<int>());
ASSERT_EQ(GetCpusFromString("0-2"), std::vector<int>({0, 1, 2}));
ASSERT_EQ(GetCpusFromString("0,2-3"), std::vector<int>({0, 2, 3}));
ASSERT_EQ(GetCpusFromString("1,0-3,3,4"), std::vector<int>({0, 1, 2, 3, 4}));
}
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