Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 215 insertions, 0 deletions

diff --git a/xpcom/tests/gtest/TestTaskQueue.cpp b/xpcom/tests/gtest/TestTaskQueue.cpp
new file mode 100644
index 0000000000..bc0e78b608
--- /dev/null
+++ b/xpcom/tests/gtest/TestTaskQueue.cpp
@@ -0,0 +1,215 @@
+/* -*- 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 <memory>
+#include "gtest/gtest.h"
+#include "mozilla/SharedThreadPool.h"
+#include "mozilla/SyncRunnable.h"
+#include "mozilla/TaskQueue.h"
+#include "mozilla/Unused.h"
+#include "nsITargetShutdownTask.h"
+#include "VideoUtils.h"
+
+namespace TestTaskQueue {
+
+using namespace mozilla;
+
+TEST(TaskQueue, EventOrder)
+{
+  RefPtr<TaskQueue> tq1 =
+      TaskQueue::Create(GetMediaThreadPool(MediaThreadType::SUPERVISOR),
+                        "TestTaskQueue tq1", true);
+  RefPtr<TaskQueue> tq2 =
+      TaskQueue::Create(GetMediaThreadPool(MediaThreadType::SUPERVISOR),
+                        "TestTaskQueue tq2", true);
+  RefPtr<TaskQueue> tq3 =
+      TaskQueue::Create(GetMediaThreadPool(MediaThreadType::SUPERVISOR),
+                        "TestTaskQueue tq3", true);
+
+  bool errored = false;
+  int counter = 0;
+  int sync = 0;
+  Monitor monitor MOZ_UNANNOTATED("TaskQueue::EventOrder::monitor");
+
+  // We expect task1 happens before task3.
+  for (int i = 0; i < 10000; ++i) {
+    Unused << tq1->Dispatch(
+        NS_NewRunnableFunction(
+            "TestTaskQueue::TaskQueue_EventOrder_Test::TestBody",
+            [&]() {
+              Unused << tq2->Dispatch(NS_NewRunnableFunction(
+                  "TestTaskQueue::TaskQueue_EventOrder_Test::TestBody",
+                  []() {  // task0
+                  }));
+              Unused << tq3->Dispatch(NS_NewRunnableFunction(
+                  "TestTaskQueue::TaskQueue_EventOrder_Test::TestBody",
+                  [&]() {  // task1
+                    EXPECT_EQ(1, ++counter);
+                    errored = counter != 1;
+                    MonitorAutoLock mon(monitor);
+                    ++sync;
+                    mon.Notify();
+                  }));
+              Unused << tq2->Dispatch(NS_NewRunnableFunction(
+                  "TestTaskQueue::TaskQueue_EventOrder_Test::TestBody",
+                  [&]() {  // task2
+                    Unused << tq3->Dispatch(NS_NewRunnableFunction(
+                        "TestTaskQueue::TaskQueue_EventOrder_Test::TestBody",
+                        [&]() {  // task3
+                          EXPECT_EQ(0, --counter);
+                          errored = counter != 0;
+                          MonitorAutoLock mon(monitor);
+                          ++sync;
+                          mon.Notify();
+                        }));
+                  }));
+            }),
+        AbstractThread::TailDispatch);
+
+    // Ensure task1 and task3 are done before next loop.
+    MonitorAutoLock mon(monitor);
+    while (sync != 2) {
+      mon.Wait();
+    }
+    sync = 0;
+
+    if (errored) {
+      break;
+    }
+  }
+
+  tq1->BeginShutdown();
+  tq1->AwaitShutdownAndIdle();
+  tq2->BeginShutdown();
+  tq2->AwaitShutdownAndIdle();
+  tq3->BeginShutdown();
+  tq3->AwaitShutdownAndIdle();
+}
+
+TEST(TaskQueue, GetCurrentSerialEventTarget)
+{
+  RefPtr<TaskQueue> tq1 =
+      TaskQueue::Create(GetMediaThreadPool(MediaThreadType::SUPERVISOR),
+                        "TestTaskQueue GetCurrentSerialEventTarget", false);
+  Unused << tq1->Dispatch(NS_NewRunnableFunction(
+      "TestTaskQueue::TestCurrentSerialEventTarget::TestBody", [tq1]() {
+        nsCOMPtr<nsISerialEventTarget> thread = GetCurrentSerialEventTarget();
+        EXPECT_EQ(thread, tq1);
+      }));
+  tq1->BeginShutdown();
+  tq1->AwaitShutdownAndIdle();
+}
+
+namespace {
+
+class TestShutdownTask final : public nsITargetShutdownTask {
+ public:
+  NS_DECL_THREADSAFE_ISUPPORTS
+
+  explicit TestShutdownTask(std::function<void()> aCallback)
+      : mCallback(std::move(aCallback)) {}
+
+  void TargetShutdown() override {
+    if (mCallback) {
+      mCallback();
+    }
+  }
+
+ private:
+  ~TestShutdownTask() = default;
+  std::function<void()> mCallback;
+};
+
+NS_IMPL_ISUPPORTS(TestShutdownTask, nsITargetShutdownTask)
+
+}  // namespace
+
+TEST(TaskQueue, ShutdownTask)
+{
+  auto shutdownTaskRun = std::make_shared<bool>();
+  auto runnableFromShutdownRun = std::make_shared<bool>();
+
+  RefPtr<TaskQueue> tq = TaskQueue::Create(
+      GetMediaThreadPool(MediaThreadType::SUPERVISOR), "Testing TaskQueue");
+
+  nsCOMPtr<nsITargetShutdownTask> shutdownTask = new TestShutdownTask([=] {
+    EXPECT_TRUE(tq->IsOnCurrentThread());
+
+    ASSERT_FALSE(*shutdownTaskRun);
+    *shutdownTaskRun = true;
+
+    nsCOMPtr<nsITargetShutdownTask> dummyTask = new TestShutdownTask([] {});
+    nsresult rv = tq->RegisterShutdownTask(dummyTask);
+    EXPECT_TRUE(rv == NS_ERROR_UNEXPECTED);
+
+    MOZ_ALWAYS_SUCCEEDS(
+        tq->Dispatch(NS_NewRunnableFunction("afterShutdownTask", [=] {
+          EXPECT_TRUE(tq->IsOnCurrentThread());
+
+          nsCOMPtr<nsITargetShutdownTask> dummyTask =
+              new TestShutdownTask([] {});
+          nsresult rv = tq->RegisterShutdownTask(dummyTask);
+          EXPECT_TRUE(rv == NS_ERROR_UNEXPECTED);
+
+          ASSERT_FALSE(*runnableFromShutdownRun);
+          *runnableFromShutdownRun = true;
+        })));
+  });
+  MOZ_ALWAYS_SUCCEEDS(tq->RegisterShutdownTask(shutdownTask));
+
+  ASSERT_FALSE(*shutdownTaskRun);
+  ASSERT_FALSE(*runnableFromShutdownRun);
+
+  RefPtr<mozilla::SyncRunnable> syncWithThread =
+      new mozilla::SyncRunnable(NS_NewRunnableFunction("dummy", [] {}));
+  MOZ_ALWAYS_SUCCEEDS(syncWithThread->DispatchToThread(tq));
+
+  ASSERT_FALSE(*shutdownTaskRun);
+  ASSERT_FALSE(*runnableFromShutdownRun);
+
+  tq->BeginShutdown();
+  tq->AwaitShutdownAndIdle();
+
+  ASSERT_TRUE(*shutdownTaskRun);
+  ASSERT_TRUE(*runnableFromShutdownRun);
+}
+
+TEST(TaskQueue, UnregisteredShutdownTask)
+{
+  RefPtr<TaskQueue> tq = TaskQueue::Create(
+      GetMediaThreadPool(MediaThreadType::SUPERVISOR), "Testing TaskQueue");
+
+  nsCOMPtr<nsITargetShutdownTask> shutdownTask =
+      new TestShutdownTask([=] { MOZ_CRASH("should not be run"); });
+
+  MOZ_ALWAYS_SUCCEEDS(tq->RegisterShutdownTask(shutdownTask));
+
+  RefPtr<mozilla::SyncRunnable> syncWithThread =
+      new mozilla::SyncRunnable(NS_NewRunnableFunction("dummy", [] {}));
+  MOZ_ALWAYS_SUCCEEDS(syncWithThread->DispatchToThread(tq));
+
+  MOZ_ALWAYS_SUCCEEDS(tq->UnregisterShutdownTask(shutdownTask));
+
+  tq->BeginShutdown();
+  tq->AwaitShutdownAndIdle();
+}
+
+TEST(AbstractThread, GetCurrentSerialEventTarget)
+{
+  RefPtr<AbstractThread> mainThread = AbstractThread::GetCurrent();
+  EXPECT_EQ(mainThread, AbstractThread::MainThread());
+  Unused << mainThread->Dispatch(NS_NewRunnableFunction(
+      "TestAbstractThread::TestCurrentSerialEventTarget::TestBody",
+      [mainThread]() {
+        nsCOMPtr<nsISerialEventTarget> thread = GetCurrentSerialEventTarget();
+        EXPECT_EQ(thread, mainThread);
+      }));
+
+  // Spin the event loop.
+  NS_ProcessPendingEvents(nullptr);
+}
+
+}  // namespace TestTaskQueue