From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 xpcom/tests/gtest/TestEventTargetQI.cpp | 83 +++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 xpcom/tests/gtest/TestEventTargetQI.cpp

(limited to 'xpcom/tests/gtest/TestEventTargetQI.cpp')

diff --git a/xpcom/tests/gtest/TestEventTargetQI.cpp b/xpcom/tests/gtest/TestEventTargetQI.cpp
new file mode 100644
index 0000000000..6131b5e63e
--- /dev/null
+++ b/xpcom/tests/gtest/TestEventTargetQI.cpp
@@ -0,0 +1,83 @@
+/* -*- 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 "mozilla/LazyIdleThread.h"
+#include "mozilla/SharedThreadPool.h"
+#include "mozilla/ThrottledEventQueue.h"
+#include "nsComponentManagerUtils.h"
+#include "nsCOMPtr.h"
+#include "nsThreadPool.h"
+#include "nsThreadUtils.h"
+#include "nsXPCOM.h"
+#include "nsXPCOMCIDInternal.h"
+#include "gtest/gtest.h"
+
+using namespace mozilla;
+
+// Cast the pointer to nsISupports* through nsIEventTarget* before doing the QI
+// in order to avoid a static assert intended to prevent trivial QIs, while also
+// avoiding ambiguous base errors.
+template <typename TargetInterface, typename SourcePtr>
+bool TestQITo(SourcePtr& aPtr1) {
+  nsCOMPtr<TargetInterface> aPtr2 = do_QueryInterface(
+      static_cast<nsISupports*>(static_cast<nsIEventTarget*>(aPtr1.get())));
+  return (bool)aPtr2;
+}
+
+TEST(TestEventTargetQI, ThreadPool)
+{
+  nsCOMPtr<nsIThreadPool> thing = new nsThreadPool();
+
+  EXPECT_FALSE(TestQITo<nsISerialEventTarget>(thing));
+
+  EXPECT_TRUE(TestQITo<nsIEventTarget>(thing));
+
+  thing->Shutdown();
+}
+
+TEST(TestEventTargetQI, SharedThreadPool)
+{
+  nsCOMPtr<nsIThreadPool> thing = SharedThreadPool::Get("TestPool"_ns, 1);
+  EXPECT_TRUE(thing);
+
+  EXPECT_FALSE(TestQITo<nsISerialEventTarget>(thing));
+
+  EXPECT_TRUE(TestQITo<nsIEventTarget>(thing));
+}
+
+TEST(TestEventTargetQI, Thread)
+{
+  nsCOMPtr<nsIThread> thing = do_GetCurrentThread();
+  EXPECT_TRUE(thing);
+
+  EXPECT_TRUE(TestQITo<nsISerialEventTarget>(thing));
+
+  EXPECT_TRUE(TestQITo<nsIEventTarget>(thing));
+}
+
+TEST(TestEventTargetQI, ThrottledEventQueue)
+{
+  nsCOMPtr<nsIThread> thread = do_GetCurrentThread();
+  RefPtr<ThrottledEventQueue> thing =
+      ThrottledEventQueue::Create(thread, "test queue");
+  EXPECT_TRUE(thing);
+
+  EXPECT_TRUE(TestQITo<nsISerialEventTarget>(thing));
+
+  EXPECT_TRUE(TestQITo<nsIEventTarget>(thing));
+}
+
+TEST(TestEventTargetQI, LazyIdleThread)
+{
+  RefPtr<LazyIdleThread> thing = new LazyIdleThread(0, "TestThread");
+  EXPECT_TRUE(thing);
+
+  EXPECT_TRUE(TestQITo<nsISerialEventTarget>(thing));
+
+  EXPECT_TRUE(TestQITo<nsIEventTarget>(thing));
+
+  thing->Shutdown();
+}
-- 
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