55 lines
1.7 KiB
Text
55 lines
1.7 KiB
Text
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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#include <Foundation/Foundation.h>
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#include "gtest/gtest.h"
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#include "mozilla/SyncRunnable.h"
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#include "nsIThread.h"
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#include "nsIThreadManager.h"
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using namespace mozilla;
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// Tests whether an nsThread ran a block in its NSRunLoop.
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// ThreadCreationOptions.isUiThread gets set to aIsUiThread.
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// Returns true if a block ran on the NSRunLoop.
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bool UiThreadRunsRunLoop(bool aIsUiThread) {
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nsCOMPtr<nsIThread> thread;
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nsIThreadManager::ThreadCreationOptions options;
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options.isUiThread = aIsUiThread;
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MOZ_ALWAYS_SUCCEEDS(NS_NewNamedThread(
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"Testing Thread", getter_AddRefs(thread), nullptr, options));
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__block bool blockRanInRunLoop = false;
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{
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// We scope this so `loop` doesn't live past `thread-Shutdown()` since this
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// file is compiled without ARC.
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NSRunLoop* loop = nil;
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auto syncRunnable =
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MakeRefPtr<SyncRunnable>(NS_NewRunnableFunction(__func__, [&] {
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// If the thread doesn't already have an NSRunLoop, one will be
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// created.
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loop = NSRunLoop.currentRunLoop;
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}));
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MOZ_ALWAYS_SUCCEEDS(syncRunnable->DispatchToThread(thread));
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[loop performBlock:^void() {
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blockRanInRunLoop = true;
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}];
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}
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thread->Shutdown();
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return blockRanInRunLoop;
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}
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TEST(ThreadsMac, OptionsIsUiThread)
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{
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const bool isUiThread = true;
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const bool isNoUiThread = false;
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EXPECT_TRUE(UiThreadRunsRunLoop(isUiThread));
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EXPECT_FALSE(UiThreadRunsRunLoop(isNoUiThread));
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}
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