mirror of
https://gitlab.com/libeigen/eigen.git
synced 2024-12-21 07:19:46 +08:00
82f0ce2726
This provide several advantages: - more flexibility in designing unit tests - unit tests can be glued to speed up compilation - unit tests are compiled with same predefined macros, which is a requirement for zapcc
73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
|
|
// for linear algebra.
|
|
//
|
|
// Copyright (C) 2015 Vijay Vasudevan <vrv@google.com>
|
|
//
|
|
// 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/.
|
|
|
|
#define EIGEN_USE_THREADS
|
|
|
|
#include <stdlib.h>
|
|
#include "main.h"
|
|
#include <Eigen/CXX11/Tensor>
|
|
|
|
|
|
namespace {
|
|
|
|
void WaitAndAdd(Eigen::Notification* n, int* counter) {
|
|
n->Wait();
|
|
*counter = *counter + 1;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
static void test_notification_single()
|
|
{
|
|
ThreadPool thread_pool(1);
|
|
|
|
int counter = 0;
|
|
Eigen::Notification n;
|
|
std::function<void()> func = std::bind(&WaitAndAdd, &n, &counter);
|
|
thread_pool.Schedule(func);
|
|
EIGEN_SLEEP(1000);
|
|
|
|
// The thread should be waiting for the notification.
|
|
VERIFY_IS_EQUAL(counter, 0);
|
|
|
|
// Unblock the thread
|
|
n.Notify();
|
|
|
|
EIGEN_SLEEP(1000);
|
|
|
|
// Verify the counter has been incremented
|
|
VERIFY_IS_EQUAL(counter, 1);
|
|
}
|
|
|
|
// Like test_notification_single() but enqueues multiple threads to
|
|
// validate that all threads get notified by Notify().
|
|
static void test_notification_multiple()
|
|
{
|
|
ThreadPool thread_pool(1);
|
|
|
|
int counter = 0;
|
|
Eigen::Notification n;
|
|
std::function<void()> func = std::bind(&WaitAndAdd, &n, &counter);
|
|
thread_pool.Schedule(func);
|
|
thread_pool.Schedule(func);
|
|
thread_pool.Schedule(func);
|
|
thread_pool.Schedule(func);
|
|
EIGEN_SLEEP(1000);
|
|
VERIFY_IS_EQUAL(counter, 0);
|
|
n.Notify();
|
|
EIGEN_SLEEP(1000);
|
|
VERIFY_IS_EQUAL(counter, 4);
|
|
}
|
|
|
|
EIGEN_DECLARE_TEST(cxx11_tensor_notification)
|
|
{
|
|
CALL_SUBTEST(test_notification_single());
|
|
CALL_SUBTEST(test_notification_multiple());
|
|
}
|