llvm-project/compiler-rt/lib/gwp_asan/tests/harness.h

110 lines
3.1 KiB
C++

//===-- harness.h -----------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef GWP_ASAN_TESTS_HARNESS_H_
#define GWP_ASAN_TESTS_HARNESS_H_
#include <stdarg.h>
#if defined(__Fuchsia__)
#include <zxtest/zxtest.h>
using Test = ::zxtest::Test;
#else
#include "gtest/gtest.h"
using Test = ::testing::Test;
#endif
#include "gwp_asan/guarded_pool_allocator.h"
#include "gwp_asan/optional/backtrace.h"
#include "gwp_asan/optional/printf.h"
#include "gwp_asan/optional/segv_handler.h"
#include "gwp_asan/options.h"
namespace gwp_asan {
namespace test {
// This printf-function getter allows other platforms (e.g. Android) to define
// their own signal-safe Printf function. In LLVM, we use
// `optional/printf_sanitizer_common.cpp` which supplies the __sanitizer::Printf
// for this purpose.
Printf_t getPrintfFunction();
// First call returns true, all the following calls return false.
bool OnlyOnce();
}; // namespace test
}; // namespace gwp_asan
class DefaultGuardedPoolAllocator : public Test {
public:
void SetUp() override {
gwp_asan::options::Options Opts;
Opts.setDefaults();
MaxSimultaneousAllocations = Opts.MaxSimultaneousAllocations;
Opts.InstallForkHandlers = gwp_asan::test::OnlyOnce();
GPA.init(Opts);
}
void TearDown() override { GPA.uninitTestOnly(); }
protected:
gwp_asan::GuardedPoolAllocator GPA;
decltype(gwp_asan::options::Options::MaxSimultaneousAllocations)
MaxSimultaneousAllocations;
};
class CustomGuardedPoolAllocator : public Test {
public:
void
InitNumSlots(decltype(gwp_asan::options::Options::MaxSimultaneousAllocations)
MaxSimultaneousAllocationsArg) {
gwp_asan::options::Options Opts;
Opts.setDefaults();
Opts.MaxSimultaneousAllocations = MaxSimultaneousAllocationsArg;
MaxSimultaneousAllocations = MaxSimultaneousAllocationsArg;
Opts.InstallForkHandlers = gwp_asan::test::OnlyOnce();
GPA.init(Opts);
}
void TearDown() override { GPA.uninitTestOnly(); }
protected:
gwp_asan::GuardedPoolAllocator GPA;
decltype(gwp_asan::options::Options::MaxSimultaneousAllocations)
MaxSimultaneousAllocations;
};
class BacktraceGuardedPoolAllocator : public Test {
public:
void SetUp() override {
gwp_asan::options::Options Opts;
Opts.setDefaults();
Opts.Backtrace = gwp_asan::backtrace::getBacktraceFunction();
Opts.InstallForkHandlers = gwp_asan::test::OnlyOnce();
GPA.init(Opts);
gwp_asan::segv_handler::installSignalHandlers(
&GPA, gwp_asan::test::getPrintfFunction(),
gwp_asan::backtrace::getPrintBacktraceFunction(),
gwp_asan::backtrace::getSegvBacktraceFunction());
}
void TearDown() override {
GPA.uninitTestOnly();
gwp_asan::segv_handler::uninstallSignalHandlers();
}
protected:
gwp_asan::GuardedPoolAllocator GPA;
};
#endif // GWP_ASAN_TESTS_HARNESS_H_