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/*****************************************************************************
*
* Copyright (c) 2003-2020 by The University of Queensland
* http://www.uq.edu.au
*
* Primary Business: Queensland, Australia
* Licensed under the Apache License, version 2.0
* http://www.apache.org/licenses/LICENSE-2.0
*
* Development until 2012 by Earth Systems Science Computational Center (ESSCC)
* Development 2012-2013 by School of Earth Sciences
* Development from 2014-2017 by Centre for Geoscience Computing (GeoComp)
* Development from 2019 by School of Earth and Environmental Sciences
**
*****************************************************************************/
// The purpose of these tests is to check for unwanted sharing of between Data objects
#include <escript/Data.h>
#include <escript/TestDomain.h>
#include "SharedDataTestCase.h"
#include <escript/EscriptParams.h>
#include <cppunit/TestCaller.h>
#include <iostream>
using namespace escript;
using namespace std;
using namespace CppUnit;
using namespace escript::DataTypes;
FunctionSpace getSharedFs()
{
static FunctionSpace fs=getTestDomainFunctionSpace(1,50,1);
return fs;
}
// Create a data, involve it in a lazy expression. Then modify the original
// and see if the value of the lazy is affected.
#define TESTEQOP(OP) { Data d((double)42,DataTypes::scalarShape, getSharedFs(),false); Data L=d.delay(); L-=Data((double)42,DataTypes::scalarShape, getSharedFs(),false); d OP Data(2,DataTypes::scalarShape, getSharedFs(),false); CPPUNIT_ASSERT(L.Lsup()<0.001);}
// Test if the copy constructor shares a DataAbstract with its originator
void SharedDataTestCase::testEQ()
{
cout << endl << "Testing +=" << flush;
TESTEQOP(+=)
cout << "\tOK" << endl << "Testing -=";
TESTEQOP(-=)
cout << "\tOK" << endl << "Testing *=";
TESTEQOP(*=)
cout << "\tOK" << endl << "Testing /=";
TESTEQOP(/=)
cout << "\tOK" << endl;
}
// Test for shared data caused by using a copy constructor
void SharedDataTestCase::testCC()
{
cout << endl;
Data d(42, DataTypes::scalarShape, getSharedFs(),false);
Data shared(d);
d+=Data(20,DataTypes::scalarShape, getSharedFs(),false);
shared-=Data(42,DataTypes::scalarShape, getSharedFs(),false);
CPPUNIT_ASSERT(shared.Lsup()<0.001);
}
// Test for shared data caused by using = operator
void SharedDataTestCase::testAssign()
{
cout << endl;
Data d(42, DataTypes::scalarShape, getSharedFs(),false);
Data shared=d;
d+=Data(20,DataTypes::scalarShape, getSharedFs(),false);
shared-=Data(42,DataTypes::scalarShape, getSharedFs(),false);
CPPUNIT_ASSERT(shared.Lsup()<0.001);
}
void SharedDataTestCase::testSetToZero()
{
Data d((double)42,DataTypes::scalarShape, getSharedFs(),false);
Data L=d.delay();
L-=Data((double)42,DataTypes::scalarShape, getSharedFs(),false);
d.setToZero();
CPPUNIT_ASSERT(L.Lsup()<0.001);
}
void SharedDataTestCase::testSetTaggedValueFromCPP()
{
Data d((double)42,DataTypes::scalarShape, getSharedFs(),false);
d.tag();
Data L=d.delay();
RealVectorType v(1,17);
d.setTaggedValueFromCPP(1,DataTypes::scalarShape,v);
L.resolve();
// at this point, d should have a tag and L should not
// unfortunately its a little tricky to find out what tags a Data object has so I'll use strings
string s=L.toString();
CPPUNIT_ASSERT(s.find("Tag(1)")==string::npos); // if the tag shows up we have shared data
}
void SharedDataTestCase::testGetDataAtOffset()
{
Data d((double)42,DataTypes::scalarShape, getSharedFs(),false);
Data L=d.delay();
// now change the data directly
d.requireWrite();
d.getDataAtOffsetRW(0, static_cast<DataTypes::real_t>(0))=17;
CPPUNIT_ASSERT(L.getDataAtOffsetRO(0, static_cast<DataTypes::real_t>(0))==42);
}
void SharedDataTestCase::testGetDataPoint()
{
Data d((double)42,DataTypes::scalarShape, getSharedFs(),false);
Data L=d.delay();
// now change the data directly
d.requireWrite();
d.getDataPointRW(0,0)=17;
CPPUNIT_ASSERT(L.getDataPointRO(0,0)==42);
}
void SharedDataTestCase::testGetSampleRW()
{
Data d((double)42,DataTypes::scalarShape, getSharedFs(),false);
Data L=d.delay();
std::cerr << "Please ignore the shared object message. We are testing the error checking.\n";
#ifdef SLOWSHARECHECK
// now change the data directly
CPPUNIT_ASSERT_THROW(*d.getSampleDataRW(0)=17, DataException);
#endif
std::cerr << "End ignore message\n";
// Now try again properly
d.requireWrite();
*d.getSampleDataRW(0)=17;
L.resolve();
CPPUNIT_ASSERT(*L.getSampleDataRO(0)==42);
}
TestSuite* SharedDataTestCase::suite()
{
// create the suite of tests to perform.
TestSuite *testSuite = new TestSuite("SharedDataTestCase");
testSuite->addTest(new TestCaller<SharedDataTestCase>(
"Arithmetic Assignment operators",&SharedDataTestCase::testEQ));
testSuite->addTest(new TestCaller<SharedDataTestCase>(
"Copy Constructor",&SharedDataTestCase::testCC));
testSuite->addTest(new TestCaller<SharedDataTestCase>(
"Assignment operator",&SharedDataTestCase::testAssign));
testSuite->addTest(new TestCaller<SharedDataTestCase>(
"setToZero",&SharedDataTestCase::testSetToZero));
testSuite->addTest(new TestCaller<SharedDataTestCase>(
"setTaggedValueFromCPP",&SharedDataTestCase::testSetTaggedValueFromCPP));
testSuite->addTest(new TestCaller<SharedDataTestCase>(
"getDataAtOffset",&SharedDataTestCase::testGetDataAtOffset));
testSuite->addTest(new TestCaller<SharedDataTestCase>(
"getDataPoint",&SharedDataTestCase::testGetDataPoint));
testSuite->addTest(new TestCaller<SharedDataTestCase>(
"getSampleRW",&SharedDataTestCase::testGetSampleRW));
return testSuite;
}
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