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/******************************************************************************
* Top contributors (to current version):
* Aina Niemetz, Gereon Kremer, Andrew Reynolds
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2025 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 Result class
*/
#include "test_api.h"
namespace cvc5::internal {
namespace test {
class TestApiBlackResult : public TestApi
{
};
TEST_F(TestApiBlackResult, isNull)
{
cvc5::Result res_null;
ASSERT_TRUE(res_null.isNull());
ASSERT_FALSE(res_null.isSat());
ASSERT_FALSE(res_null.isUnsat());
ASSERT_FALSE(res_null.isUnknown());
Sort u_sort = d_tm.mkUninterpretedSort("u");
Term x = d_tm.mkConst(u_sort, "x");
d_solver->assertFormula(x.eqTerm(x));
cvc5::Result res = d_solver->checkSat();
ASSERT_FALSE(res.isNull());
}
TEST_F(TestApiBlackResult, equalHash)
{
Sort u_sort = d_tm.mkUninterpretedSort("u");
Term x = d_tm.mkConst(u_sort, "x");
d_solver->assertFormula(x.eqTerm(x));
cvc5::Result res;
cvc5::Result res2 = d_solver->checkSat();
cvc5::Result res3 = d_solver->checkSat();
ASSERT_NE(res, res2);
res = res2;
ASSERT_EQ(res, res2);
ASSERT_EQ(res3, res2);
{
std::stringstream ss;
ss << res;
ASSERT_EQ(res.toString(), "sat");
ASSERT_EQ(res.toString(), ss.str());
}
ASSERT_EQ(std::hash<cvc5::Result>{}(res), std::hash<cvc5::Result>{}(res2));
ASSERT_NE(std::hash<cvc5::Result>{}(cvc5::Result()),
std::hash<cvc5::Result>{}(res2));
(void)std::hash<cvc5::Result>{}(cvc5::Result());
}
TEST_F(TestApiBlackResult, isSat)
{
Sort u_sort = d_tm.mkUninterpretedSort("u");
Term x = d_tm.mkConst(u_sort, "x");
d_solver->assertFormula(x.eqTerm(x));
cvc5::Result res = d_solver->checkSat();
ASSERT_TRUE(res.isSat());
ASSERT_FALSE(res.isUnsat());
ASSERT_FALSE(res.isUnknown());
}
TEST_F(TestApiBlackResult, isUnsat)
{
Sort u_sort = d_tm.mkUninterpretedSort("u");
Term x = d_tm.mkConst(u_sort, "x");
d_solver->assertFormula(x.eqTerm(x).notTerm());
cvc5::Result res = d_solver->checkSat();
ASSERT_FALSE(res.isSat());
ASSERT_TRUE(res.isUnsat());
ASSERT_FALSE(res.isUnknown());
}
TEST_F(TestApiBlackResult, isUnknown)
{
d_solver->setLogic("QF_NIA");
d_solver->setOption("incremental", "false");
d_solver->setOption("solve-real-as-int", "true");
Sort real_sort = d_tm.getRealSort();
Term x = d_tm.mkConst(real_sort, "x");
d_solver->assertFormula(d_tm.mkTerm(Kind::LT, {d_tm.mkReal("0.0"), x}));
d_solver->assertFormula(d_tm.mkTerm(Kind::LT, {x, d_tm.mkReal("1.0")}));
cvc5::Result res = d_solver->checkSat();
ASSERT_FALSE(res.isSat());
ASSERT_FALSE(res.isUnsat());
ASSERT_TRUE(res.isUnknown());
cvc5::UnknownExplanation ue = res.getUnknownExplanation();
ASSERT_EQ(ue, cvc5::UnknownExplanation::INCOMPLETE);
{
std::stringstream ss;
ss << ue;
ASSERT_EQ(ss.str(), "INCOMPLETE");
}
}
} // namespace test
} // namespace cvc5::internal
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