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deps/oblib/unittest/lib/thread/test_dynamic_thread_pool.cpp

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+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#include "lib/thread/ob_dynamic_thread_pool.h"
+#include <gtest/gtest.h>
+#include <malloc.h>
+#include "lib/utility/ob_test_util.h"
+#include "lib/restore/ob_storage.h"
+
+using namespace oceanbase::common;
+class TestObDynamicThreadPool : public ::testing::Test {
+  public:
+  TestObDynamicThreadPool()
+  {}
+  virtual ~TestObDynamicThreadPool()
+  {}
+  virtual void SetUp()
+  {}
+  virtual void TearDown()
+  {}
+
+  static void SetUpTestCase()
+  {}
+
+  static void TearDownTestCase()
+  {}
+
+  private:
+  // disallow copy
+  DISALLOW_COPY_AND_ASSIGN(TestObDynamicThreadPool);
+
+  protected:
+  // function members
+  protected:
+};
+
+class SimpleTask : public ObDynamicThreadTask {
+  public:
+  int process(const bool& is_stop)
+  {
+    UNUSED(is_stop);
+    ATOMIC_INC(&count_);
+    return OB_SUCCESS;
+  }
+  static int64_t count_;
+};
+
+int64_t SimpleTask::count_ = 0;
+
+TEST_F(TestObDynamicThreadPool, normal)
+{
+  ObDynamicThreadPool pool;
+  const int64_t task_count = 10000;
+  SimpleTask task;
+  SimpleTask::count_ = 0;
+  ASSERT_EQ(OB_SUCCESS, pool.init());
+  ASSERT_EQ(OB_SUCCESS, pool.set_task_thread_num(10));
+
+  for (int64_t i = 0; i < task_count; ++i) {
+    ASSERT_EQ(OB_SUCCESS, pool.add_task(&task));
+  }
+  sleep(1);
+  pool.stop();
+  pool.destroy();
+  ASSERT_EQ(task_count, SimpleTask::count_);
+}
+
+TEST_F(TestObDynamicThreadPool, test_change_thread_num)
+{
+  ObDynamicThreadPool pool;
+  const int64_t task_count = 10000;
+  SimpleTask task;
+  ObRandom rand;
+  SimpleTask::count_ = 0;
+  ASSERT_EQ(OB_SUCCESS, pool.init());
+  ASSERT_EQ(OB_SUCCESS, pool.set_task_thread_num(512));
+
+  for (int64_t i = 0; i < task_count; ++i) {
+    if (pool.get_task_count() < ObDynamicThreadPool::MAX_TASK_NUM) {
+      ASSERT_EQ(OB_SUCCESS, pool.add_task(&task));
+    }
+    pool.set_task_thread_num(rand.rand(0, ObDynamicThreadPool::MAX_THREAD_NUM));
+  }
+  pool.set_task_thread_num(1);
+  sleep(1);
+  pool.stop();
+  pool.destroy();
+  ASSERT_EQ(task_count, SimpleTask::count_);
+}
+
+int main(int argc, char** argv)
+{
+  mallopt(M_ARENA_MAX, 1);  // disable malloc multiple arena pool
+  OB_LOGGER.set_log_level("INFO");
+  OB_LOGGER.set_file_name("test_dynamic_thread_pool.log", true);
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}