1 files changed, 59 insertions, 0 deletions
diff --git a/ipc/ipdl/test/cxx/TestBadActor.cpp b/ipc/ipdl/test/cxx/TestBadActor.cpp
new file mode 100644
index 0000000000..6c6991dbb2
--- /dev/null
+++ b/ipc/ipdl/test/cxx/TestBadActor.cpp
@@ -0,0 +1,59 @@
+#include "TestBadActor.h"
+#include "IPDLUnitTests.h"
+#include "mozilla/Unused.h"
+
+namespace mozilla {
+namespace _ipdltest {
+
+void TestBadActorParent::Main() {
+  // This test is designed to test a race condition where the child sends us
+  // a message on an actor that we've already destroyed. The child process
+  // should die, and the parent process should not abort.
+
+  PTestBadActorSubParent* child = SendPTestBadActorSubConstructor();
+  if (!child) fail("Sending constructor");
+
+  Unused << child->Call__delete__(child);
+}
+
+// By default, fatal errors kill the parent process, but this makes it
+// hard to test, so instead we use the previous behavior and kill the
+// child process.
+void TestBadActorParent::HandleFatalError(const char* aErrorMsg) {
+  if (!!strcmp(aErrorMsg, "incoming message racing with actor deletion")) {
+    fail("wrong fatal error");
+  }
+
+  ipc::ScopedProcessHandle otherProcessHandle;
+  if (!base::OpenProcessHandle(OtherPid(), &otherProcessHandle.rwget())) {
+    fail("couldn't open child process");
+  } else {
+    if (!base::KillProcess(otherProcessHandle, 0, false)) {
+      fail("terminating child process");
+    }
+  }
+}
+
+PTestBadActorSubParent* TestBadActorParent::AllocPTestBadActorSubParent() {
+  return new TestBadActorSubParent();
+}
+
+mozilla::ipc::IPCResult TestBadActorSubParent::RecvPing() {
+  fail("Shouldn't have received ping.");
+  return IPC_FAIL_NO_REASON(this);
+}
+
+PTestBadActorSubChild* TestBadActorChild::AllocPTestBadActorSubChild() {
+  return new TestBadActorSubChild();
+}
+
+mozilla::ipc::IPCResult TestBadActorChild::RecvPTestBadActorSubConstructor(
+    PTestBadActorSubChild* actor) {
+  if (!actor->SendPing()) {
+    fail("Couldn't send ping to an actor which supposedly isn't dead yet.");
+  }
+  return IPC_OK();
+}
+
+}  // namespace _ipdltest
+}  // namespace mozilla