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c95b939667
And use it in a few places that were using RTC_CHECK(false) or FATAL() to do the exact same job. There should be no change in behavior. Bug: none Change-Id: I36d5e6bcf35fd41534e08a8c879fa0811b4f1967 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/191963 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32567}
123 lines
2.6 KiB
C++
123 lines
2.6 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <stddef.h>
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#include <stdio.h>
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#include <memory>
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#include <random>
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#include "rtc_base/checks.h"
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#include "rtc_base/null_socket_server.h"
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#include "rtc_base/thread.h"
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#include "test/gtest.h"
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namespace rtc {
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namespace {
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#if defined(MEMORY_SANITIZER)
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void UseOfUninitializedValue() {
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int* buf = new int[2];
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std::random_device engine;
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if (buf[engine() % 2]) { // Non-deterministic conditional.
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printf("Externally visible action.");
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}
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delete[] buf;
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}
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TEST(SanitizersDeathTest, MemorySanitizer) {
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EXPECT_DEATH(UseOfUninitializedValue(), "use-of-uninitialized-value");
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}
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#endif
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#if defined(ADDRESS_SANITIZER)
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void HeapUseAfterFree() {
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char* buf = new char[2];
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delete[] buf;
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buf[0] = buf[1];
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}
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TEST(SanitizersDeathTest, AddressSanitizer) {
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EXPECT_DEATH(HeapUseAfterFree(), "heap-use-after-free");
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}
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#endif
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#if defined(UNDEFINED_SANITIZER)
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// For ubsan:
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void SignedIntegerOverflow() {
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int32_t x = 1234567890;
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x *= 2;
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}
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// For ubsan_vptr:
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struct Base {
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virtual void f() {}
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virtual ~Base() {}
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};
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struct Derived : public Base {};
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void InvalidVptr() {
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Base b;
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auto* d = static_cast<Derived*>(&b); // Bad downcast.
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d->f(); // Virtual function call with object of wrong dynamic type.
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}
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TEST(SanitizersDeathTest, UndefinedSanitizer) {
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EXPECT_DEATH(
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{
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SignedIntegerOverflow();
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InvalidVptr();
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},
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"runtime error");
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}
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#endif
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#if defined(THREAD_SANITIZER)
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class IncrementThread : public Thread {
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public:
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explicit IncrementThread(int* value)
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: Thread(std::make_unique<NullSocketServer>()), value_(value) {}
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void Run() override {
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++*value_;
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Thread::Current()->SleepMs(100);
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}
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// Un-protect Thread::Join for the test.
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void Join() { Thread::Join(); }
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private:
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int* value_;
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RTC_DISALLOW_COPY_AND_ASSIGN(IncrementThread);
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};
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void DataRace() {
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int value = 0;
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IncrementThread thread1(&value);
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IncrementThread thread2(&value);
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thread1.Start();
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thread2.Start();
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thread1.Join();
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thread2.Join();
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// TSan seems to mess with gtest's death detection.
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// Fail intentionally, and rely on detecting the error message.
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RTC_CHECK_NOTREACHED();
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}
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TEST(SanitizersDeathTest, ThreadSanitizer) {
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EXPECT_DEATH(DataRace(), "data race");
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}
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#endif
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} // namespace
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} // namespace rtc
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