1 files changed, 81 insertions, 0 deletions
diff --git a/security/sandbox/common/test/SandboxTestingChild.h b/security/sandbox/common/test/SandboxTestingChild.h
new file mode 100644
index 0000000000..b8259c5707
--- /dev/null
+++ b/security/sandbox/common/test/SandboxTestingChild.h
@@ -0,0 +1,81 @@
+/* -*- 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 https://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_SandboxTestingChild_h
+#define mozilla_SandboxTestingChild_h
+
+#include "mozilla/PSandboxTestingChild.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/Monitor.h"
+#include "mozilla/UniquePtr.h"
+
+#ifdef XP_UNIX
+#  include "nsString.h"
+#endif
+
+#if !defined(MOZ_SANDBOX) || !defined(MOZ_DEBUG) || !defined(ENABLE_TESTS)
+#  error "This file should not be used outside of debug with tests"
+#endif
+
+namespace mozilla {
+
+class SandboxTestingThread;
+
+/**
+ * Runs tests that check sandbox in child process, depending on process type.
+ */
+class SandboxTestingChild : public PSandboxTestingChild {
+ public:
+  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);
+
+ private:
+  explicit SandboxTestingChild(SandboxTestingThread* aThread,
+                               Endpoint<PSandboxTestingChild>&& aEndpoint);
+
+  void Bind(Endpoint<PSandboxTestingChild>&& aEndpoint);
+
+  UniquePtr<SandboxTestingThread> mThread;
+
+  static SandboxTestingChild* sInstance;
+};
+
+}  // namespace mozilla
+
+#endif  // mozilla_SandboxTestingChild_h