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deps/oblib/unittest/lib/thread/test_thread_lease.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_thread_lease.h"
+#include <gtest/gtest.h>
+
+using namespace oceanbase::common;
+class TestObThreadLease : public ::testing::Test {
+  public:
+  TestObThreadLease()
+  {}
+  virtual ~TestObThreadLease()
+  {}
+  virtual void SetUp()
+  {}
+  virtual void TearDown()
+  {}
+
+  static void SetUpTestCase()
+  {}
+
+  static void TearDownTestCase()
+  {}
+
+  private:
+  // disallow copy
+  DISALLOW_COPY_AND_ASSIGN(TestObThreadLease);
+
+  protected:
+  // function members
+  protected:
+};
+
+TEST_F(TestObThreadLease, smoke_test)
+{
+  ObThreadLease lease;
+
+  ASSERT_EQ(ObThreadLease::IDLE, lease.value());
+  ASSERT_EQ(true, lease.acquire());
+  ASSERT_EQ(ObThreadLease::HANDLING, lease.value());
+  ASSERT_EQ(true, lease.revoke());
+  ASSERT_EQ(ObThreadLease::IDLE, lease.value());
+
+  // Revoke directly, expect to return success
+  ASSERT_EQ(true, lease.revoke());
+  ASSERT_EQ(ObThreadLease::IDLE, lease.value());
+}
+
+TEST_F(TestObThreadLease, simulate_multi_thread)
+{
+  ObThreadLease lease;
+  ASSERT_EQ(ObThreadLease::IDLE, lease.value());
+
+  for (int64_t i = 0; i < 100; i++) {
+    ASSERT_EQ(true, lease.acquire());
+    ASSERT_EQ(ObThreadLease::HANDLING, lease.value());
+
+    // Acquire again, expect to return failed, status change to READY
+    ASSERT_EQ(false, lease.acquire());
+    ASSERT_EQ(ObThreadLease::READY, lease.value());
+
+    // Acquire again, expect to return failed, status change to READY
+    ASSERT_EQ(false, lease.acquire());
+    ASSERT_EQ(ObThreadLease::READY, lease.value());
+
+    // Acquire again, expect to return failed, status change to READY
+    ASSERT_EQ(false, lease.acquire());
+    ASSERT_EQ(ObThreadLease::READY, lease.value());
+
+    // Revoke once, expect to return failed, status change to HANDLING
+    ASSERT_EQ(false, lease.revoke());
+    ASSERT_EQ(ObThreadLease::HANDLING, lease.value());
+
+    // Acquire again, expect to return failed, status change to READY
+    ASSERT_EQ(false, lease.acquire());
+    ASSERT_EQ(ObThreadLease::READY, lease.value());
+
+    // Acquire again, expect to return failed, status change to READY
+    ASSERT_EQ(false, lease.acquire());
+    ASSERT_EQ(ObThreadLease::READY, lease.value());
+
+    // Revoke once, expect to return failed, status change to HANDLING
+    ASSERT_EQ(false, lease.revoke());
+    ASSERT_EQ(ObThreadLease::HANDLING, lease.value());
+
+    // Revoke again, expect to return success, status change to IDLE
+    ASSERT_EQ(true, lease.revoke());
+    ASSERT_EQ(ObThreadLease::IDLE, lease.value());
+  }
+}
+
+int main(int argc, char** argv)
+{
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}