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/******************************************************************************
* Top contributors (to current version):
* Aina Niemetz, Abdalrhman Mohamed, Mudathir Mohamed
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2021 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.
* ****************************************************************************
*
* Black box testing of the guards of the Java API functions.
*/
package cvc5;
import static cvc5.Kind.*;
import static org.junit.jupiter.api.Assertions.*;
import java.util.Arrays;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
class GrammarTest {
private Solver d_solver;
@BeforeEach
void setUp() {
d_solver = new Solver();
}
@Test
void addRule() {
Sort bool = d_solver.getBooleanSort();
Sort integer = d_solver.getIntegerSort();
Term nullTerm = d_solver.getNullTerm();
Term start = d_solver.mkVar(bool);
Term nts = d_solver.mkVar(bool);
Grammar g = d_solver.mkSygusGrammar(new Term[] {}, new Term[] {start});
assertDoesNotThrow(() -> g.addRule(start, d_solver.mkBoolean(false)));
assertThrows(CVC5ApiException.class,
() -> g.addRule(nullTerm, d_solver.mkBoolean(false)));
assertThrows(CVC5ApiException.class, () -> g.addRule(start, nullTerm));
assertThrows(CVC5ApiException.class,
() -> g.addRule(nts, d_solver.mkBoolean(false)));
assertThrows(
CVC5ApiException.class, () -> g.addRule(start, d_solver.mkInteger(0)));
assertThrows(CVC5ApiException.class, () -> g.addRule(start, nts));
d_solver.synthFun("f", new Term[] {}, bool, g);
assertThrows(CVC5ApiException.class,
() -> g.addRule(start, d_solver.mkBoolean(false)));
}
@Test
void addRules() {
Sort bool = d_solver.getBooleanSort();
Sort integer = d_solver.getIntegerSort();
Term nullTerm = d_solver.getNullTerm();
Term start = d_solver.mkVar(bool);
Term nts = d_solver.mkVar(bool);
Grammar g = d_solver.mkSygusGrammar(new Term[] {}, new Term[] {start});
assertDoesNotThrow(
() -> g.addRules(start, new Term[] {d_solver.mkBoolean(false)}));
assertThrows(CVC5ApiException.class,
() -> g.addRules(nullTerm, new Term[] {d_solver.mkBoolean(false)}));
assertThrows(
CVC5ApiException.class, () -> g.addRules(start, new Term[] {nullTerm}));
assertThrows(CVC5ApiException.class,
() -> g.addRules(nts, new Term[] {d_solver.mkBoolean(false)}));
assertThrows(CVC5ApiException.class,
() -> g.addRules(start, new Term[] {d_solver.mkInteger(0)}));
assertThrows(
CVC5ApiException.class, () -> g.addRules(start, new Term[] {nts}));
d_solver.synthFun("f", new Term[] {}, bool, g);
assertThrows(CVC5ApiException.class,
() -> g.addRules(start, new Term[] {d_solver.mkBoolean(false)}));
}
@Test
void addAnyConstant() {
Sort bool = d_solver.getBooleanSort();
Term nullTerm = d_solver.getNullTerm();
Term start = d_solver.mkVar(bool);
Term nts = d_solver.mkVar(bool);
Grammar g = d_solver.mkSygusGrammar(new Term[] {}, new Term[] {start});
assertDoesNotThrow(() -> g.addAnyConstant(start));
assertDoesNotThrow(() -> g.addAnyConstant(start));
assertThrows(CVC5ApiException.class, () -> g.addAnyConstant(nullTerm));
assertThrows(CVC5ApiException.class, () -> g.addAnyConstant(nts));
d_solver.synthFun("f", new Term[] {}, bool, g);
assertThrows(CVC5ApiException.class, () -> g.addAnyConstant(start));
}
@Test
void addAnyVariable() {
Sort bool = d_solver.getBooleanSort();
Term nullTerm = d_solver.getNullTerm();
Term x = d_solver.mkVar(bool);
Term start = d_solver.mkVar(bool);
Term nts = d_solver.mkVar(bool);
Grammar g1 = d_solver.mkSygusGrammar(new Term[] {x}, new Term[] {start});
Grammar g2 = d_solver.mkSygusGrammar(new Term[] {}, new Term[] {start});
assertDoesNotThrow(() -> g1.addAnyVariable(start));
assertDoesNotThrow(() -> g1.addAnyVariable(start));
assertDoesNotThrow(() -> g2.addAnyVariable(start));
assertThrows(CVC5ApiException.class, () -> g1.addAnyVariable(nullTerm));
assertThrows(CVC5ApiException.class, () -> g1.addAnyVariable(nts));
d_solver.synthFun("f", new Term[] {}, bool, g1);
assertThrows(CVC5ApiException.class, () -> g1.addAnyVariable(start));
}
}
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