73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
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/**
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* Copyright (c) 2016-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#include "utils/ResourcePool.h"
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#include <gtest/gtest.h>
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#include <atomic>
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#include <thread>
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using namespace pzstd;
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TEST(ResourcePool, FullTest) {
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unsigned numCreated = 0;
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unsigned numDeleted = 0;
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{
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ResourcePool<int> pool(
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[&numCreated] { ++numCreated; return new int{5}; },
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[&numDeleted](int *x) { ++numDeleted; delete x; });
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{
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auto i = pool.get();
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EXPECT_EQ(5, *i);
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*i = 6;
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}
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{
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auto i = pool.get();
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EXPECT_EQ(6, *i);
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auto j = pool.get();
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EXPECT_EQ(5, *j);
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*j = 7;
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}
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{
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auto i = pool.get();
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EXPECT_EQ(6, *i);
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auto j = pool.get();
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EXPECT_EQ(7, *j);
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}
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}
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EXPECT_EQ(2, numCreated);
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EXPECT_EQ(numCreated, numDeleted);
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}
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TEST(ResourcePool, ThreadSafe) {
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std::atomic<unsigned> numCreated{0};
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std::atomic<unsigned> numDeleted{0};
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{
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ResourcePool<int> pool(
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[&numCreated] { ++numCreated; return new int{0}; },
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[&numDeleted](int *x) { ++numDeleted; delete x; });
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auto push = [&pool] {
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for (int i = 0; i < 100; ++i) {
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auto x = pool.get();
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++*x;
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}
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};
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std::thread t1{push};
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std::thread t2{push};
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t1.join();
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t2.join();
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auto x = pool.get();
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auto y = pool.get();
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EXPECT_EQ(200, *x + *y);
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}
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EXPECT_GE(2, numCreated);
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EXPECT_EQ(numCreated, numDeleted);
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}
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