forked from OSchip/llvm-project
118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
//===-- wrappers_cpp_test.cc ------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "gtest/gtest.h"
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#include <condition_variable>
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#include <mutex>
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#include <thread>
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// Note that every Cxx allocation function in the test binary will be fulfilled
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// by Scudo. See the comment in the C counterpart of this file.
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extern "C" __attribute__((visibility("default"))) const char *
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__scudo_default_options() {
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return "quarantine_size_kb=256:thread_local_quarantine_size_kb=128:"
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"quarantine_max_chunk_size=512:dealloc_type_mismatch=true";
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}
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template <typename T> static void testCxxNew() {
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T *P = new T;
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EXPECT_NE(P, nullptr);
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memset(P, 0x42, sizeof(T));
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EXPECT_DEATH(delete[] P, "");
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delete P;
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EXPECT_DEATH(delete P, "");
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P = new T;
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EXPECT_NE(P, nullptr);
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memset(P, 0x42, sizeof(T));
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operator delete(P, sizeof(T));
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P = new (std::nothrow) T;
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EXPECT_NE(P, nullptr);
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memset(P, 0x42, sizeof(T));
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delete P;
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const size_t N = 16U;
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T *A = new T[N];
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EXPECT_NE(A, nullptr);
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memset(A, 0x42, sizeof(T) * N);
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EXPECT_DEATH(delete A, "");
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delete[] A;
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EXPECT_DEATH(delete[] A, "");
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A = new T[N];
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EXPECT_NE(A, nullptr);
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memset(A, 0x42, sizeof(T) * N);
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operator delete[](A, sizeof(T) * N);
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A = new (std::nothrow) T[N];
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EXPECT_NE(A, nullptr);
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memset(A, 0x42, sizeof(T) * N);
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delete[] A;
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}
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class Pixel {
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public:
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enum class Color { Red, Green, Blue };
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int X = 0;
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int Y = 0;
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Color C = Color::Red;
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};
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TEST(ScudoWrappersCppTest, New) {
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testCxxNew<bool>();
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testCxxNew<uint8_t>();
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testCxxNew<uint16_t>();
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testCxxNew<uint32_t>();
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testCxxNew<uint64_t>();
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testCxxNew<float>();
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testCxxNew<double>();
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testCxxNew<long double>();
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testCxxNew<Pixel>();
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}
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static std::mutex Mutex;
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static std::condition_variable Cv;
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static bool Ready = false;
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static void stressNew() {
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std::vector<uintptr_t *> V;
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{
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std::unique_lock<std::mutex> Lock(Mutex);
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while (!Ready)
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Cv.wait(Lock);
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}
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for (size_t I = 0; I < 256U; I++) {
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const size_t N = std::rand() % 128U;
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uintptr_t *P = new uintptr_t[N];
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if (P) {
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memset(P, 0x42, sizeof(uintptr_t) * N);
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V.push_back(P);
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}
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}
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while (!V.empty()) {
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delete[] V.back();
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V.pop_back();
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}
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}
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TEST(ScudoWrappersCppTest, ThreadedNew) {
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std::thread Threads[32];
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for (size_t I = 0U; I < sizeof(Threads) / sizeof(Threads[0]); I++)
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Threads[I] = std::thread(stressNew);
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{
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std::unique_lock<std::mutex> Lock(Mutex);
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Ready = true;
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Cv.notify_all();
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}
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for (auto &T : Threads)
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T.join();
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}
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