greenplumn CStateMachineTest 源码
greenplumn CStateMachineTest 代码
文件路径：/src/backend/gporca/server/include/unittest/gpopt/base/CStateMachineTest.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2009 Greenplum, Inc.
//
// @filename:
// CStateMachineTest.h
//
// @doc:
// Test for state machines
//---------------------------------------------------------------------------
#ifndef GPOPT_CStateMachineTest_H
#define GPOPT_CStateMachineTest_H
#include "gpopt/base/CStateMachine.h"
namespace gpopt
{
using namespace gpos;
//---------------------------------------------------------------------------
// @class:
// CStateMachineTest
//
// @doc:
// Static unit tests for state machines
//
//---------------------------------------------------------------------------
class CStateMachineTest
{
public:
enum EStates
{
esOne = 0,
esTwo,
esThree,
esSentinel
};
enum EEvents
{
eeOne = 0,
eeTwo,
eeThree,
eeSentinel
};
// unittests
static GPOS_RESULT EresUnittest();
static GPOS_RESULT EresUnittest_Basics();
//---------------------------------------------------------------------------
// @class:
// CTestMachine
//
// @doc:
// The tested state machine definition;
// Implements a 3 states/3 events FSM with simple transition graph;
//
//---------------------------------------------------------------------------
class CTestMachine
{
private:
// shorthand for state machine
using SM = CStateMachine<EStates, esSentinel, EEvents, eeSentinel>;
// state machine
SM m_sm;
public:
// ctor
CTestMachine();
// dtor
~CTestMachine() = default;
// state machine accessor
SM *
Psm()
{
return &m_sm;
}
};
}; // class CStateMachineTest
} // namespace gpopt
#endif // !GPOPT_CStateMachineTest_H
// EOF
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