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// -*- c++ -*-
//*****************************************************************************
/** @file LexOrderTest.cc
*
* @author Ket Shcherbakova, Alexander Dreyer
* @date 2010-11-30
*
* boost/test-driven unit test
*
* @par Copyright:
* (c) 2010 by The PolyBoRi Team
*
**/
//*****************************************************************************
#include <boost/test/unit_test.hpp>
#include <boost/version.hpp>
#if BOOST_VERSION < 107100
#include <boost/test/output_test_stream.hpp>
#else
#include <boost/test/tools/output_test_stream.hpp>
#endif
using boost::test_tools::output_test_stream;
#include <polybori/LexOrder.h>
USING_NAMESPACE_PBORI
struct Flex {
typedef LexOrder order_type;
Flex(const BoolePolyRing& input_ring =
BoolePolyRing(1000, COrderEnums::dlex)):
ring(input_ring),
x(0, input_ring), y(1, input_ring), z(2, input_ring),
v(3, input_ring), w(4, input_ring) {
BOOST_TEST_MESSAGE( "setup fixture" );
ring.setVariableName(0, "x");
ring.setVariableName(1, "y");
ring.setVariableName(2, "z");
ring.setVariableName(3, "v");
ring.setVariableName(4, "w");
}
~Flex() { BOOST_TEST_MESSAGE( "teardown fixture" ); }
BoolePolyRing ring;
BooleVariable x, y, z, v, w;
};
BOOST_FIXTURE_TEST_SUITE(LexOrderTestSuite, Flex )
BOOST_AUTO_TEST_CASE(test_properties) {
order_type order;
BOOST_TEST_MESSAGE( "isLexicographical, isSymmetric, isDegreeOrder, isBlockOrder, isTotalDegreeOrder, isDegreeReverseLexicographical, ascendingVariables, descendingVariables, orderedStandardIteration" );
BOOST_CHECK(order.isLexicographical());
BOOST_CHECK(order.isSymmetric());
BOOST_CHECK(!order.isDegreeOrder());
BOOST_CHECK(!order.isBlockOrder());
BOOST_CHECK(!order.isTotalDegreeOrder());
BOOST_CHECK(!order.isDegreeReverseLexicographical());
BOOST_CHECK(!order.ascendingVariables());
BOOST_CHECK(order.descendingVariables());
BOOST_CHECK(order.orderedStandardIteration());
}
BOOST_AUTO_TEST_CASE(test_getters) {
order_type order;
BOOST_TEST_MESSAGE( "getOrderCode, getBaseOrderCode" );
BOOST_CHECK_EQUAL(order.getOrderCode(), COrderEnums::lp);
BOOST_CHECK_EQUAL(order.getBaseOrderCode(), COrderEnums::lp);
}
BOOST_AUTO_TEST_CASE(test_compare) {
order_type order;
BOOST_TEST_MESSAGE( "compare" );
BooleMonomial monom1 = x;
BooleMonomial monom2 = x*x;
BOOST_CHECK_EQUAL(order.compare(monom1, monom2) , CTypes::equality);
monom1 = y*z*v;
monom2 = x*y;
BOOST_CHECK_EQUAL(order.compare(monom1, monom2) , CTypes::less_than);
monom1 = x*y*z;
monom2 = x*y;
BOOST_CHECK_EQUAL(order.compare(monom1, monom2) , CTypes::greater_than);
monom1 = BooleMonomial(ring);
monom2 = w;
BOOST_CHECK_EQUAL(order.compare(monom1, monom2) , CTypes::less_than);
monom1 = BooleMonomial(ring);
monom2 = BooleMonomial(ring);
BOOST_CHECK_EQUAL(order.compare(monom1, monom2) , CTypes::equality);
BooleExponent exp1(x);
BooleExponent exp2(x*x);
BOOST_CHECK_EQUAL(order.compare(exp1, exp2) , CTypes::equality);
exp1 = BooleExponent(w*x);
exp2 = BooleExponent(v*x);
BOOST_CHECK_EQUAL(order.compare(exp1, exp2) , CTypes::less_than);
exp1 = BooleExponent(x*y*z*v*w);
exp2 = BooleExponent(x*y*z*v);
BOOST_CHECK_EQUAL(order.compare(exp1, exp2) , CTypes::greater_than);
BOOST_CHECK_EQUAL(order.compare(0,1) , CTypes::greater_than);
BOOST_CHECK_EQUAL(order.compare(2,1) , CTypes::less_than);
BOOST_CHECK_EQUAL(order.compare(-1,-1) , CTypes::equality);
BOOST_CHECK_EQUAL(order.compare(1,-1) , CTypes::less_than);
}
BOOST_AUTO_TEST_CASE(test_lead) {
BOOST_TEST_MESSAGE( "lead, leadExp, leadFirst" );
order_type order;
BoolePolynomial poly = x*x + x*y + y*z*v*w + 1;
BOOST_CHECK_EQUAL(order.lead(poly) , BooleMonomial(x*y));
BOOST_CHECK_EQUAL(order.lead(poly,1) , BooleMonomial(x*y));
BOOST_CHECK_EQUAL(order.lead(poly,-1) , BooleMonomial(x*y));
BOOST_CHECK_EQUAL(order.leadExp(poly) , BooleExponent(x*y));
BOOST_CHECK_EQUAL(order.leadExp(poly,1) , BooleExponent(x*y));
BOOST_CHECK_EQUAL(order.leadExp(poly,-1) , BooleExponent(x*y));
BOOST_CHECK_EQUAL(order.leadFirst(poly) , poly);
poly = BoolePolynomial(ring);
BOOST_CHECK_THROW(order.lead(poly), PBoRiGenericError<CTypes::illegal_on_zero>);
BOOST_CHECK_THROW(order.lead(poly,1),PBoRiGenericError<CTypes::illegal_on_zero>);
BOOST_CHECK_THROW(order.lead(poly),PBoRiGenericError<CTypes::illegal_on_zero>);
BOOST_CHECK_EQUAL(order.leadExp(poly,1), BooleExponent());
BOOST_CHECK_EQUAL(order.leadExp(poly), BooleExponent());
BOOST_CHECK_EQUAL(order.leadFirst(poly), poly);
poly = 1;
BOOST_CHECK_EQUAL(order.lead(poly, 1), BooleMonomial(ring));
BOOST_CHECK_EQUAL(order.lead(poly), BooleMonomial(ring));
BOOST_CHECK_EQUAL(order.leadExp(poly, 1), BooleExponent());
BOOST_CHECK_EQUAL(order.leadExp(poly), BooleExponent());
BOOST_CHECK_EQUAL(order.leadFirst(poly), poly);
}
BOOST_AUTO_TEST_CASE(test_lead_iter) {
order_type order;
BoolePolynomial poly = x*x + x*y + y*z*v*w + 1;
BOOST_TEST_MESSAGE( "leadIteratorBegin" );
order_type::ordered_iterator start(order.leadIteratorBegin(poly)), finish(order.leadIteratorEnd(poly));
start.increment();
}
BOOST_AUTO_TEST_CASE(test_blocks) {
BOOST_TEST_MESSAGE( "blockBegin, blockEnd, appendBlock, clearBlocks, lastBlockStart, lieInSameBlock" );
order_type order;
output_test_stream output;
BoolePolyRing::block_iterator start(order.blockBegin()),finish(order.blockEnd());
BOOST_CHECK(start == finish);
BOOST_CHECK_THROW(order.appendBlock(-1), std::exception);
order.appendBlock(0);
order.appendBlock(2);
order.appendBlock(6);
start = order.blockBegin();
finish = order.blockEnd();
BOOST_CHECK(start == finish);
BOOST_CHECK(order.lieInSameBlock(0,1));
BOOST_CHECK(order.lieInSameBlock(-1,4));
BOOST_CHECK_EQUAL(order.lastBlockStart(), CUDD_MAXINDEX);
order.clearBlocks();
start = order.blockBegin();
finish = order.blockEnd();
BOOST_CHECK(start==finish);
}
BOOST_AUTO_TEST_CASE(test_cover_constructors_and_destructors) {
int order_code = CTypes::lp;
BoolePolyRing block_ring(5, order_code);
BOOST_CHECK_EQUAL(block_ring.ordering().getOrderCode(), order_code);
class Inherited: public order_type {};
Inherited dummy;
BOOST_CHECK_EQUAL(dummy.getOrderCode(), order_code);
order_type self;
BOOST_CHECK_EQUAL(self.getOrderCode(), order_code);
order_type* pSelf = new order_type;
BOOST_CHECK_EQUAL(pSelf->getOrderCode(), order_code);
delete pSelf;
pSelf = new Inherited;
BOOST_CHECK_EQUAL(pSelf->getOrderCode(), order_code);
delete pSelf;
Inherited* pDummy = new Inherited;
BOOST_CHECK_EQUAL(pDummy->getOrderCode(), order_code);
delete pDummy;
}
BOOST_AUTO_TEST_SUITE_END()
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