summaryrefslogtreecommitdiffstats
path: root/xpcom/tests/gtest/TestThreads.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'xpcom/tests/gtest/TestThreads.cpp')
-rw-r--r--xpcom/tests/gtest/TestThreads.cpp275
1 files changed, 275 insertions, 0 deletions
diff --git a/xpcom/tests/gtest/TestThreads.cpp b/xpcom/tests/gtest/TestThreads.cpp
new file mode 100644
index 000000000..4f6055dce
--- /dev/null
+++ b/xpcom/tests/gtest/TestThreads.cpp
@@ -0,0 +1,275 @@
+/* -*- 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 "nsThreadUtils.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include "nspr.h"
+#include "nsCOMPtr.h"
+#include "nsIServiceManager.h"
+#include "nsXPCOM.h"
+#include "mozilla/Monitor.h"
+#include "gtest/gtest.h"
+
+class nsRunner final : public nsIRunnable {
+ ~nsRunner() {}
+public:
+ NS_DECL_THREADSAFE_ISUPPORTS
+
+ NS_IMETHOD Run() override {
+ nsCOMPtr<nsIThread> thread;
+ nsresult rv = NS_GetCurrentThread(getter_AddRefs(thread));
+ EXPECT_TRUE(NS_SUCCEEDED(rv));
+ printf("running %d on thread %p\n", mNum, (void *)thread.get());
+
+ // if we don't do something slow, we'll never see the other
+ // worker threads run
+ PR_Sleep(PR_MillisecondsToInterval(100));
+
+ return rv;
+ }
+
+ explicit nsRunner(int num) : mNum(num) {
+ }
+
+protected:
+ int mNum;
+};
+
+NS_IMPL_ISUPPORTS(nsRunner, nsIRunnable)
+
+TEST(Threads, Main)
+{
+ nsresult rv;
+
+ nsCOMPtr<nsIRunnable> event = new nsRunner(0);
+ EXPECT_TRUE(event);
+
+ nsCOMPtr<nsIThread> runner;
+ rv = NS_NewThread(getter_AddRefs(runner), event);
+ EXPECT_TRUE(NS_SUCCEEDED(rv));
+
+ nsCOMPtr<nsIThread> thread;
+ rv = NS_GetCurrentThread(getter_AddRefs(thread));
+ EXPECT_TRUE(NS_SUCCEEDED(rv));
+
+ rv = runner->Shutdown(); // wait for the runner to die before quitting
+ EXPECT_TRUE(NS_SUCCEEDED(rv));
+
+ PR_Sleep(PR_MillisecondsToInterval(100)); // hopefully the runner will quit here
+}
+
+class nsStressRunner final : public nsIRunnable {
+public:
+ NS_DECL_THREADSAFE_ISUPPORTS
+
+ NS_IMETHOD Run() override {
+ EXPECT_FALSE(mWasRun);
+ mWasRun = true;
+ PR_Sleep(1);
+ if (!PR_AtomicDecrement(&gNum)) {
+ printf(" last thread was %d\n", mNum);
+ }
+ return NS_OK;
+ }
+
+ explicit nsStressRunner(int num) : mNum(num), mWasRun(false) {
+ PR_AtomicIncrement(&gNum);
+ }
+
+ static int32_t GetGlobalCount() {return gNum;}
+
+private:
+ ~nsStressRunner() {
+ EXPECT_TRUE(mWasRun);
+ }
+
+protected:
+ static int32_t gNum;
+ int32_t mNum;
+ bool mWasRun;
+};
+
+int32_t nsStressRunner::gNum = 0;
+
+NS_IMPL_ISUPPORTS(nsStressRunner, nsIRunnable)
+
+TEST(Threads, Stress)
+{
+ const int loops = 1000;
+ const int threads = 50;
+
+ for (int i = 0; i < loops; i++) {
+ printf("Loop %d of %d\n", i+1, loops);
+
+ int k;
+ nsIThread** array = new nsIThread*[threads];
+
+ EXPECT_EQ(nsStressRunner::GetGlobalCount(), 0);
+
+ for (k = 0; k < threads; k++) {
+ nsCOMPtr<nsIThread> t;
+ nsresult rv = NS_NewThread(getter_AddRefs(t), new nsStressRunner(k));
+ EXPECT_TRUE(NS_SUCCEEDED(rv));
+ NS_ADDREF(array[k] = t);
+ }
+
+ for (k = threads-1; k >= 0; k--) {
+ array[k]->Shutdown();
+ NS_RELEASE(array[k]);
+ }
+ delete [] array;
+ }
+}
+
+mozilla::Monitor* gAsyncShutdownReadyMonitor;
+mozilla::Monitor* gBeginAsyncShutdownMonitor;
+
+class AsyncShutdownPreparer : public nsIRunnable {
+public:
+ NS_DECL_THREADSAFE_ISUPPORTS
+
+ NS_IMETHOD Run() override {
+ EXPECT_FALSE(mWasRun);
+ mWasRun = true;
+
+ mozilla::MonitorAutoLock lock(*gAsyncShutdownReadyMonitor);
+ lock.Notify();
+
+ return NS_OK;
+ }
+
+ explicit AsyncShutdownPreparer() : mWasRun(false) {}
+
+private:
+ virtual ~AsyncShutdownPreparer() {
+ EXPECT_TRUE(mWasRun);
+ }
+
+protected:
+ bool mWasRun;
+};
+
+NS_IMPL_ISUPPORTS(AsyncShutdownPreparer, nsIRunnable)
+
+class AsyncShutdownWaiter : public nsIRunnable {
+public:
+ NS_DECL_THREADSAFE_ISUPPORTS
+
+ NS_IMETHOD Run() override {
+ EXPECT_FALSE(mWasRun);
+ mWasRun = true;
+
+ nsCOMPtr<nsIThread> t;
+ nsresult rv;
+
+ {
+ mozilla::MonitorAutoLock lock(*gBeginAsyncShutdownMonitor);
+
+ rv = NS_NewThread(getter_AddRefs(t), new AsyncShutdownPreparer());
+ EXPECT_TRUE(NS_SUCCEEDED(rv));
+
+ lock.Wait();
+ }
+
+ rv = t->AsyncShutdown();
+ EXPECT_TRUE(NS_SUCCEEDED(rv));
+
+ return NS_OK;
+ }
+
+ explicit AsyncShutdownWaiter() : mWasRun(false) {}
+
+private:
+ virtual ~AsyncShutdownWaiter() {
+ EXPECT_TRUE(mWasRun);
+ }
+
+protected:
+ bool mWasRun;
+};
+
+NS_IMPL_ISUPPORTS(AsyncShutdownWaiter, nsIRunnable)
+
+class SameThreadSentinel : public nsIRunnable {
+public:
+ NS_DECL_ISUPPORTS
+
+ NS_IMETHOD Run() override {
+ mozilla::MonitorAutoLock lock(*gBeginAsyncShutdownMonitor);
+ lock.Notify();
+ return NS_OK;
+ }
+
+private:
+ virtual ~SameThreadSentinel() {}
+};
+
+NS_IMPL_ISUPPORTS(SameThreadSentinel, nsIRunnable)
+
+TEST(Threads, AsyncShutdown)
+{
+ gAsyncShutdownReadyMonitor = new mozilla::Monitor("gAsyncShutdownReady");
+ gBeginAsyncShutdownMonitor = new mozilla::Monitor("gBeginAsyncShutdown");
+
+ nsCOMPtr<nsIThread> t;
+ nsresult rv;
+
+ {
+ mozilla::MonitorAutoLock lock(*gAsyncShutdownReadyMonitor);
+
+ rv = NS_NewThread(getter_AddRefs(t), new AsyncShutdownWaiter());
+ EXPECT_TRUE(NS_SUCCEEDED(rv));
+
+ lock.Wait();
+ }
+
+ NS_DispatchToCurrentThread(new SameThreadSentinel());
+ rv = t->Shutdown();
+ EXPECT_TRUE(NS_SUCCEEDED(rv));
+
+ delete gAsyncShutdownReadyMonitor;
+ delete gBeginAsyncShutdownMonitor;
+}
+
+static void threadProc(void *arg)
+{
+ // printf(" running thread %d\n", (int) arg);
+ PR_Sleep(1);
+ EXPECT_EQ(PR_JOINABLE_THREAD, PR_GetThreadState(PR_GetCurrentThread()));
+}
+
+TEST(Threads, StressNSPR)
+{
+ const int loops = 1000;
+ const int threads = 50;
+
+ for (int i = 0; i < loops; i++) {
+ printf("Loop %d of %d\n", i+1, loops);
+
+ intptr_t k;
+ PRThread** array = new PRThread*[threads];
+
+ for (k = 0; k < threads; k++) {
+ array[k] = PR_CreateThread(PR_USER_THREAD,
+ threadProc, (void*) k,
+ PR_PRIORITY_NORMAL,
+ PR_GLOBAL_THREAD,
+ PR_JOINABLE_THREAD,
+ 0);
+ EXPECT_TRUE(array[k]);
+ }
+
+ for (k = 0; k < threads; k++) {
+ EXPECT_EQ(PR_JOINABLE_THREAD, PR_GetThreadState(array[k]));
+ }
+
+ for (k = threads-1; k >= 0; k--) {
+ PR_JoinThread(array[k]);
+ }
+ delete [] array;
+ }
+}