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/********************* */
/*! \file grammar_black.h
** \verbatim
** Top contributors (to current version):
** Abdalrhman Mohamed, Aina Niemetz
** This file is part of the CVC4 project.
** Copyright (c) 2009-2020 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief Black box testing of the guards of the C++ API functions.
**
** Black box testing of the guards of the C++ API functions.
**/
#include <cxxtest/TestSuite.h>
#include "api/cvc4cpp.h"
using namespace CVC4::api;
class GrammarBlack : public CxxTest::TestSuite
{
public:
void setUp() override;
void tearDown() override;
void testAddRule();
void testAddRules();
void testAddAnyConstant();
void testAddAnyVariable();
private:
std::unique_ptr<Solver> d_solver;
};
void GrammarBlack::setUp() { d_solver.reset(new Solver()); }
void GrammarBlack::tearDown() { d_solver.reset(nullptr); }
void GrammarBlack::testAddRule()
{
Sort boolean = d_solver->getBooleanSort();
Sort integer = d_solver->getIntegerSort();
Term nullTerm;
Term start = d_solver->mkVar(boolean);
Term nts = d_solver->mkVar(boolean);
Grammar g = d_solver->mkSygusGrammar({}, {start});
TS_ASSERT_THROWS_NOTHING(g.addRule(start, d_solver->mkBoolean(false)));
TS_ASSERT_THROWS(g.addRule(nullTerm, d_solver->mkBoolean(false)),
CVC4ApiException&);
TS_ASSERT_THROWS(g.addRule(start, nullTerm), CVC4ApiException&);
TS_ASSERT_THROWS(g.addRule(nts, d_solver->mkBoolean(false)),
CVC4ApiException&);
TS_ASSERT_THROWS(g.addRule(start, d_solver->mkReal(0)), CVC4ApiException&);
d_solver->synthFun("f", {}, boolean, g);
TS_ASSERT_THROWS(g.addRule(start, d_solver->mkBoolean(false)),
CVC4ApiException&);
}
void GrammarBlack::testAddRules()
{
Sort boolean = d_solver->getBooleanSort();
Sort integer = d_solver->getIntegerSort();
Term nullTerm;
Term start = d_solver->mkVar(boolean);
Term nts = d_solver->mkVar(boolean);
Grammar g = d_solver->mkSygusGrammar({}, {start});
TS_ASSERT_THROWS_NOTHING(g.addRules(start, {d_solver->mkBoolean(false)}));
TS_ASSERT_THROWS(g.addRules(nullTerm, {d_solver->mkBoolean(false)}),
CVC4ApiException&);
TS_ASSERT_THROWS(g.addRules(start, {nullTerm}), CVC4ApiException&);
TS_ASSERT_THROWS(g.addRules(nts, {d_solver->mkBoolean(false)}),
CVC4ApiException&);
TS_ASSERT_THROWS(g.addRules(start, {d_solver->mkReal(0)}), CVC4ApiException&);
d_solver->synthFun("f", {}, boolean, g);
TS_ASSERT_THROWS(g.addRules(start, {d_solver->mkBoolean(false)}),
CVC4ApiException&);
}
void GrammarBlack::testAddAnyConstant()
{
Sort boolean = d_solver->getBooleanSort();
Term nullTerm;
Term start = d_solver->mkVar(boolean);
Term nts = d_solver->mkVar(boolean);
Grammar g = d_solver->mkSygusGrammar({}, {start});
TS_ASSERT_THROWS_NOTHING(g.addAnyConstant(start));
TS_ASSERT_THROWS_NOTHING(g.addAnyConstant(start));
TS_ASSERT_THROWS(g.addAnyConstant(nullTerm), CVC4ApiException&);
TS_ASSERT_THROWS(g.addAnyConstant(nts), CVC4ApiException&);
d_solver->synthFun("f", {}, boolean, g);
TS_ASSERT_THROWS(g.addAnyConstant(start), CVC4ApiException&);
}
void GrammarBlack::testAddAnyVariable()
{
Sort boolean = d_solver->getBooleanSort();
Term nullTerm;
Term x = d_solver->mkVar(boolean);
Term start = d_solver->mkVar(boolean);
Term nts = d_solver->mkVar(boolean);
Grammar g1 = d_solver->mkSygusGrammar({x}, {start});
Grammar g2 = d_solver->mkSygusGrammar({}, {start});
TS_ASSERT_THROWS_NOTHING(g1.addAnyVariable(start));
TS_ASSERT_THROWS_NOTHING(g1.addAnyVariable(start));
TS_ASSERT_THROWS_NOTHING(g2.addAnyVariable(start));
TS_ASSERT_THROWS(g1.addAnyVariable(nullTerm), CVC4ApiException&);
TS_ASSERT_THROWS(g1.addAnyVariable(nts), CVC4ApiException&);
d_solver->synthFun("f", {}, boolean, g1);
TS_ASSERT_THROWS(g1.addAnyVariable(start), CVC4ApiException&);
}
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