Source code

Revision control

Other Tools

/* -*- 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/Atomics.h"
#include "mozilla/IntegerRange.h"
#include "mozilla/Vector.h"
#include <utility>
#include "js/AllocPolicy.h"
#include "jsapi-tests/tests.h"
#include "threading/Thread.h"
BEGIN_TEST(testThreadingThreadJoin) {
bool flag = false;
js::Thread thread;
CHECK(thread.init([](bool* flagp) { *flagp = true; }, &flag));
CHECK(thread.joinable());
thread.join();
CHECK(flag);
CHECK(!thread.joinable());
return true;
}
END_TEST(testThreadingThreadJoin)
BEGIN_TEST(testThreadingThreadDetach) {
// We are going to detach this thread. Unlike join, we can't have it pointing
// at the stack because it might do the write after we have returned and
// pushed a new frame.
bool* flag = js_new<bool>(false);
js::Thread thread;
CHECK(thread.init(
[](bool* flag) {
*flag = true;
js_delete(flag);
},
std::move(flag)));
CHECK(thread.joinable());
thread.detach();
CHECK(!thread.joinable());
return true;
}
END_TEST(testThreadingThreadDetach)
BEGIN_TEST(testThreadingThreadSetName) {
js::Thread thread;
CHECK(thread.init([]() { js::ThisThread::SetName("JSAPI Test Thread"); }));
thread.detach();
return true;
}
END_TEST(testThreadingThreadSetName)
BEGIN_TEST(testThreadingThreadId) {
CHECK(js::ThreadId() == js::ThreadId());
js::ThreadId fromOther;
js::Thread thread;
CHECK(thread.init(
[](js::ThreadId* idp) { *idp = js::ThreadId::ThisThreadId(); },
&fromOther));
js::ThreadId fromMain = thread.get_id();
thread.join();
CHECK(fromOther == fromMain);
return true;
}
END_TEST(testThreadingThreadId)
BEGIN_TEST(testThreadingThreadVectorMoveConstruct) {
const static size_t N = 10;
mozilla::Atomic<int> count(0);
mozilla::Vector<js::Thread, 0, js::SystemAllocPolicy> v;
for (auto i : mozilla::IntegerRange(N)) {
CHECK(v.emplaceBack());
CHECK(v.back().init([](mozilla::Atomic<int>* countp) { (*countp)++; },
&count));
CHECK(v.length() == i + 1);
}
for (auto& th : v) {
th.join();
}
CHECK(count == 10);
return true;
}
END_TEST(testThreadingThreadVectorMoveConstruct)
// This test is checking that args are using "decay" copy, per spec. If we do
// not use decay copy properly, the rvalue reference |bool&& b| in the
// constructor will automatically become an lvalue reference |bool& b| in the
// trampoline, causing us to read through the reference when passing |bool bb|
// from the trampoline. If the parent runs before the child, the bool may have
// already become false, causing the trampoline to read the changed value, thus
// causing the child's assertion to fail.
BEGIN_TEST(testThreadingThreadArgCopy) {
for (size_t i = 0; i < 10000; ++i) {
bool b = true;
js::Thread thread;
CHECK(thread.init([](bool bb) { MOZ_RELEASE_ASSERT(bb); }, b));
b = false;
thread.join();
}
return true;
}
END_TEST(testThreadingThreadArgCopy)