void testDimacs() {
std::stringstream prg;
prg << "c simple test case\n"
<< "p cnf 4 3\n"
<< "1 2 0\n"
<< "3 4 0\n"
<< "-1 -2 -3 -4 0\n";
CPPUNIT_ASSERT(parseDimacs(prg, ctx));
CPPUNIT_ASSERT(ctx.numVars() == 4);
CPPUNIT_ASSERT(ctx.numConstraints() == 3);
}
bool StreamInput::read(Solver& s, ProgramBuilder* api, int numModels) {
if (format_ == Input::SMODELS) {
assert(api);
return parseLparse(prg_, *api);
}
else if (format_ == Input::DIMACS) {
return parseDimacs(prg_, s, numModels == 1);
}
else {
return parseOPB(prg_, s, func_);
}
}
void testDimacsDontAddDupLit() {
std::stringstream prg;
prg << "c simple test case\n"
<< "p cnf 2 4\n"
<< "1 2 2 1 0\n"
<< "1 2 1 2 0\n"
<< "-1 -2 -1 0\n"
<< "-2 -1 -2 0\n";
CPPUNIT_ASSERT(parseDimacs(prg, ctx));
CPPUNIT_ASSERT(ctx.numVars() == 2);
CPPUNIT_ASSERT(ctx.numConstraints() == 4);
CPPUNIT_ASSERT(ctx.numBinary() == 4);
}
void testPartialWcnf() {
std::stringstream prg;
prg << "c comments Weigthed Partial Max-SAT\n"
<< "p wcnf 4 5 16\n"
<< "16 1 -2 4 0\n"
<< "16 -1 -2 3 0\n"
<< "8 -2 -4 0\n"
<< "4 -3 2 0\n"
<< "1 1 3 0\n"
;
ObjectiveFunction obj;
CPPUNIT_ASSERT(parseDimacs(prg, ctx, PureLitMode_t::assert_pure_auto, obj, false));
CPPUNIT_ASSERT(ctx.numVars() == 7);
CPPUNIT_ASSERT(ctx.symTab().size() == 5);
CPPUNIT_ASSERT(ctx.numConstraints() == 5);
CPPUNIT_ASSERT(obj.lits.size() == 3);
CPPUNIT_ASSERT(obj.lits[0].second == 8);
CPPUNIT_ASSERT(obj.lits[1].second == 4);
CPPUNIT_ASSERT(obj.lits[2].second == 1);
}
void testWcnf() {
std::stringstream prg;
prg << "c comments Weighted Max-SAT\n"
<< "p wcnf 3 4\n"
<< "10 1 -2 0\n"
<< "3 -1 2 -3 0\n"
<< "8 -3 2 0\n"
<< "5 1 3 0\n"
;
ObjectiveFunction obj;
CPPUNIT_ASSERT(parseDimacs(prg, ctx, PureLitMode_t::assert_pure_auto, obj, false));
CPPUNIT_ASSERT(ctx.numVars() == 7);
CPPUNIT_ASSERT(ctx.symTab().size() == 4);
CPPUNIT_ASSERT(ctx.numConstraints() == 4);
CPPUNIT_ASSERT(obj.lits.size() == 4);
CPPUNIT_ASSERT(obj.lits[0].second == 10);
CPPUNIT_ASSERT(obj.lits[1].second == 3);
CPPUNIT_ASSERT(obj.lits[2].second == 8);
CPPUNIT_ASSERT(obj.lits[3].second == 5);
}
void testDimacsBadVars() {
std::stringstream prg;
prg << "p cnf 2 1\n"
<< "3 4 0\n";
CPPUNIT_ASSERT_THROW(parseDimacs(prg, ctx), ReadError);
}
