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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at */
#ifndef mozilla_SandboxTestingChild_h
#define mozilla_SandboxTestingChild_h
#include "mozilla/PSandboxTestingChild.h"
#include "mozilla/Maybe.h"
#include "mozilla/Monitor.h"
#include "mozilla/StaticPtr.h"
#include "mozilla/UniquePtr.h"
#include "nsISupports.h"
#ifdef XP_UNIX
# include "nsString.h"
#if !defined(MOZ_SANDBOX) || !defined(MOZ_DEBUG) || !defined(ENABLE_TESTS)
# error "This file should not be used outside of debug with tests"
namespace mozilla {
class SandboxTestingThread;
* Runs tests that check sandbox in child process, depending on process type.
class SandboxTestingChild : public PSandboxTestingChild {
static bool Initialize(
Endpoint<PSandboxTestingChild>&& aSandboxTestingEndpoint);
static SandboxTestingChild* GetInstance();
static void Destroy();
bool IsTestThread();
void PostToTestThread(already_AddRefed<nsIRunnable>&& runnable);
void ActorDestroy(ActorDestroyReason aWhy) override;
virtual ipc::IPCResult RecvShutDown();
// Helper to return that no test have been executed. Tests should make sure
// they have some fallback through that otherwise the framework will consider
// absence of test report as a failure.
inline void ReportNoTests();
// For test cases that return an error number or 0, like newer POSIX
// APIs. If `aExpectSuccess` is true, the test passes if the status is
// 0; otherwise, the test requires a specific error if `aExpectedError`
// is `Some(n)` or any nonzero status if it's `Nothing()`.
void PosixTest(const nsCString& aName, bool aExpectSuccess, int aStatus,
Maybe<int> aExpectedError = Nothing());
// For test cases that return a negative number and set `errno` to
// indicate error, like classical Unix APIs; takes a callable, which
// is used only in this function call (so `[&]` captures are safe).
template <typename F>
void ErrnoTest(const nsCString& aName, bool aExpectSuccess, F&& aFunction);
// Similar to ErrnoTest, except that we want to compare a specific `errno`
// being returned.
template <typename F>
void ErrnoValueTest(const nsCString& aName, int aExpectedErrno,
F&& aFunction);
explicit SandboxTestingChild(SandboxTestingThread* aThread,
Endpoint<PSandboxTestingChild>&& aEndpoint);
void Bind(Endpoint<PSandboxTestingChild>&& aEndpoint);
UniquePtr<SandboxTestingThread> mThread;
static StaticRefPtr<SandboxTestingChild> sInstance;
} // namespace mozilla
#endif // mozilla_SandboxTestingChild_h