1 files changed, 95 insertions, 0 deletions
diff --git a/ipc/ipdl/test/gtest/TestInduceConnectionError.cpp b/ipc/ipdl/test/gtest/TestInduceConnectionError.cpp
new file mode 100644
index 0000000000..988e22fe5a
--- /dev/null
+++ b/ipc/ipdl/test/gtest/TestInduceConnectionError.cpp
@@ -0,0 +1,95 @@
+/* -*- 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 http://mozilla.org/MPL/2.0/. */
+
+#include "gtest/gtest.h"
+
+#include "mozilla/SpinEventLoopUntil.h"
+#include "mozilla/_ipdltest/IPDLUnitTest.h"
+#include "mozilla/_ipdltest/PTestInduceConnectionErrorChild.h"
+#include "mozilla/_ipdltest/PTestInduceConnectionErrorParent.h"
+
+using namespace mozilla::ipc;
+
+namespace mozilla::_ipdltest {
+
+class TestInduceConnectionErrorChild : public PTestInduceConnectionErrorChild {
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(TestInduceConnectionErrorChild,
+                                        override)
+
+ public:
+  IPCResult RecvBegin() override {
+    SendFirstMessage();
+    SendFollowupMessage();
+    Close();
+    return IPC_OK();
+  }
+
+ private:
+  ~TestInduceConnectionErrorChild() = default;
+};
+
+class TestInduceConnectionErrorParent
+    : public PTestInduceConnectionErrorParent {
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(TestInduceConnectionErrorParent,
+                                        override)
+
+  IPCResult RecvFirstMessage() override {
+    EXPECT_TRUE(CanSend()) << "Actor still alive before inducing";
+    GetIPCChannel()->InduceConnectionError();
+    EXPECT_TRUE(CanSend())
+        << "Actor still alive after inducing - notification will be async";
+    mRecvdFirstMessage = true;
+
+    GetCurrentSerialEventTarget()->Dispatch(NS_NewRunnableFunction(
+        "AfterRecvFirstMessage", [self = RefPtr{this}]() {
+          EXPECT_FALSE(self->CanSend())
+              << "Actor shut down after spinning the event loop";
+          self->mTestComplete = true;
+        }));
+    return IPC_OK();
+  }
+
+  IPCResult RecvFollowupMessage() override {
+    MOZ_CRASH(
+        "Should never receive followup message, despite them being sent "
+        "together");
+  }
+
+  void ActorDestroy(ActorDestroyReason aReason) override {
+    EXPECT_TRUE(mRecvdFirstMessage)
+        << "Should have mRecvdFirstMessage set before ActorDestroy";
+    EXPECT_FALSE(mTestComplete) << "The test has not completed";
+    EXPECT_EQ(aReason, ActorDestroyReason::AbnormalShutdown)
+        << "Should be an abnormal shutdown";
+    mDestroyReason = Some(aReason);
+  }
+
+  bool mRecvdFirstMessage = false;
+  bool mTestComplete = false;
+  Maybe<ActorDestroyReason> mDestroyReason;
+
+ private:
+  ~TestInduceConnectionErrorParent() = default;
+};
+
+IPDL_TEST(TestInduceConnectionError) {
+  bool ok = mActor->SendBegin();
+  GTEST_ASSERT_TRUE(ok);
+
+  // Wait for the actor to be shut down.
+  SpinEventLoopUntil("TestInduceConnectionError"_ns,
+                     [&] { return mActor->mTestComplete; });
+  EXPECT_TRUE(mActor->mRecvdFirstMessage)
+      << "Actor should have received first message, but not second one";
+  EXPECT_FALSE(mActor->CanSend()) << "Actor can no longer send";
+  GTEST_ASSERT_TRUE(mActor->mDestroyReason.isSome())
+      << "Actor should have been destroyed";
+  EXPECT_EQ(*mActor->mDestroyReason,
+            IProtocol::ActorDestroyReason::AbnormalShutdown)
+      << "Actor should have an 'abnormal shutdown'";
+}
+
+}  // namespace mozilla::_ipdltest