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/*
* Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#include "cds/archiveUtils.hpp"
#include "unittest.hpp"
class TestArchiveWorkerTask : public ArchiveWorkerTask {
private:
volatile int _sum;
int _max;
public:
TestArchiveWorkerTask() : ArchiveWorkerTask("Test"), _sum(0), _max(0) {}
void work(int chunk, int max_chunks) override {
Atomic::add(&_sum, chunk);
Atomic::store(&_max, max_chunks);
}
int sum() { return Atomic::load(&_sum); }
int max() { return Atomic::load(&_max); }
};
// Test a repeated cycle of workers init/shutdown without task works.
TEST_VM(ArchiveWorkersTest, continuous_restart) {
for (int c = 0; c < 1000; c++) {
ArchiveWorkers workers;
}
}
// Test a repeated cycle of sample task works.
TEST_VM(ArchiveWorkersTest, single_task) {
for (int c = 0; c < 1000; c++) {
TestArchiveWorkerTask task;
ArchiveWorkers workers;
workers.run_task(&task);
ASSERT_EQ(task.max() * (task.max() - 1) / 2, task.sum());
}
}
// Test that reusing the workers fails.
#ifdef ASSERT
TEST_VM_ASSERT_MSG(ArchiveWorkersTest, multiple_tasks, ".* Should be unused yet") {
TestArchiveWorkerTask task;
ArchiveWorkers workers;
workers.run_task(&task);
workers.run_task(&task);
}
#endif // ASSERT
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