1 files changed, 91 insertions, 0 deletions
diff --git a/ipc/ipdl/test/cxx/TestHighestPrio.cpp b/ipc/ipdl/test/cxx/TestHighestPrio.cpp
new file mode 100644
index 0000000000..e6715fba8e
--- /dev/null
+++ b/ipc/ipdl/test/cxx/TestHighestPrio.cpp
@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: sw=2 ts=4 et :
+ */
+/* 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 "TestHighestPrio.h"
+
+#include "IPDLUnitTests.h"  // fail etc.
+#if defined(OS_POSIX)
+#  include <unistd.h>
+#else
+#  include <windows.h>
+#endif
+
+namespace mozilla {
+namespace _ipdltest {
+
+//-----------------------------------------------------------------------------
+// parent
+
+TestHighestPrioParent::TestHighestPrioParent() : msg_num_(0) {
+  MOZ_COUNT_CTOR(TestHighestPrioParent);
+}
+
+TestHighestPrioParent::~TestHighestPrioParent() {
+  MOZ_COUNT_DTOR(TestHighestPrioParent);
+}
+
+void TestHighestPrioParent::Main() {
+  if (!SendStart()) fail("sending Start");
+}
+
+mozilla::ipc::IPCResult TestHighestPrioParent::RecvMsg1() {
+  MOZ_ASSERT(msg_num_ == 0);
+  msg_num_ = 1;
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult TestHighestPrioParent::RecvMsg2() {
+  MOZ_ASSERT(msg_num_ == 1);
+  msg_num_ = 2;
+
+  if (!SendStartInner()) fail("sending StartInner");
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult TestHighestPrioParent::RecvMsg3() {
+  MOZ_ASSERT(msg_num_ == 2);
+  msg_num_ = 3;
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult TestHighestPrioParent::RecvMsg4() {
+  MOZ_ASSERT(msg_num_ == 3);
+  msg_num_ = 4;
+  return IPC_OK();
+}
+
+//-----------------------------------------------------------------------------
+// child
+
+TestHighestPrioChild::TestHighestPrioChild() {
+  MOZ_COUNT_CTOR(TestHighestPrioChild);
+}
+
+TestHighestPrioChild::~TestHighestPrioChild() {
+  MOZ_COUNT_DTOR(TestHighestPrioChild);
+}
+
+mozilla::ipc::IPCResult TestHighestPrioChild::RecvStart() {
+  if (!SendMsg1()) fail("sending Msg1");
+
+  if (!SendMsg2()) fail("sending Msg2");
+
+  Close();
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult TestHighestPrioChild::RecvStartInner() {
+  if (!SendMsg3()) fail("sending Msg3");
+
+  if (!SendMsg4()) fail("sending Msg4");
+
+  return IPC_OK();
+}
+
+}  // namespace _ipdltest
+}  // namespace mozilla