greenplumn CPointTest 源码
greenplumn CPointTest 代码
文件路径：/src/backend/gporca/server/src/unittest/dxl/statistics/CPointTest.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2018 VMware, Inc. or its affiliates.
//
// @filename:
// CPointTest.cpp
//
// @doc:
// Tests for CPoint
//---------------------------------------------------------------------------
#ifndef __STDC_CONSTANT_MACROS
#define __STDC_CONSTANT_MACROS
#endif
#include "unittest/dxl/statistics/CPointTest.h"
#include <stdint.h>
#include "gpos/io/COstreamString.h"
#include "gpos/string/CWStringDynamic.h"
#include "naucrates/statistics/CPoint.h"
#include "unittest/base.h"
#include "unittest/gpopt/CTestUtils.h"
using namespace gpopt;
// unittest for statistics objects
GPOS_RESULT
CPointTest::EresUnittest()
{
// tests that use shared optimization context
CUnittest rgutSharedOptCtxt[] = {
GPOS_UNITTEST_FUNC(CPointTest::EresUnittest_CPointInt4),
GPOS_UNITTEST_FUNC(CPointTest::EresUnittest_CPointBool),
};
CAutoMemoryPool amp;
CMemoryPool *mp = amp.Pmp();
// setup a file-based provider
CMDProviderMemory *pmdp = CTestUtils::m_pmdpf;
pmdp->AddRef();
CMDAccessor mda(mp, CMDCache::Pcache(), CTestUtils::m_sysidDefault, pmdp);
// install opt context in TLS
CAutoOptCtxt aoc(mp, &mda, nullptr /* pceeval */,
CTestUtils::GetCostModel(mp));
return CUnittest::EresExecute(rgutSharedOptCtxt,
GPOS_ARRAY_SIZE(rgutSharedOptCtxt));
}
// basic int4 point tests;
GPOS_RESULT
CPointTest::EresUnittest_CPointInt4()
{
// create memory pool
CAutoMemoryPool amp;
CMemoryPool *mp = amp.Pmp();
// generate integer points
CPoint *point1 = CTestUtils::PpointInt4(mp, 1);
CPoint *point2 = CTestUtils::PpointInt4(mp, 2);
GPOS_RTL_ASSERT_MSG(point1->Equals(point1), "1 == 1");
GPOS_RTL_ASSERT_MSG(point1->IsLessThan(point2), "1 < 2");
GPOS_RTL_ASSERT_MSG(point2->IsGreaterThan(point1), "2 > 1");
GPOS_RTL_ASSERT_MSG(point1->IsLessThanOrEqual(point2), "1 <= 2");
GPOS_RTL_ASSERT_MSG(point2->IsGreaterThanOrEqual(point2), "2 >= 2");
CDouble dDistance = point2->Distance(point1);
// should be 1.0
GPOS_RTL_ASSERT_MSG(0.99 < dDistance && dDistance < 1.01,
"incorrect distance calculation");
point1->Release();
point2->Release();
return GPOS_OK;
}
// basic bool point tests;
GPOS_RESULT
CPointTest::EresUnittest_CPointBool()
{
// create memory pool
CAutoMemoryPool amp;
CMemoryPool *mp = amp.Pmp();
// generate boolean points
CPoint *point1 = CTestUtils::PpointBool(mp, true);
CPoint *point2 = CTestUtils::PpointBool(mp, false);
// true == true
GPOS_RTL_ASSERT_MSG(point1->Equals(point1), "true must be equal to true");
// true != false
GPOS_RTL_ASSERT_MSG(point1->IsNotEqual(point2),
"true must not be equal to false");
point1->Release();
point2->Release();
return GPOS_OK;
}
// EOF
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