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###############################################################################
# Top contributors (to current version):
# Andrew Reynolds, Aina Niemetz, Gereon Kremer
#
# 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.
# #############################################################################
#
# Unit tests for synth result API.
#
# Obtained by translating test/unit/api/synth_result_black.cpp
##
import pytest
import cvc5
from cvc5 import SynthResult
@pytest.fixture
def tm():
return cvc5.TermManager()
@pytest.fixture
def solver(tm):
return cvc5.Solver(tm)
def test_is_null(solver):
res_null = SynthResult()
assert res_null.isNull()
assert not res_null.hasSolution()
assert not res_null.hasNoSolution()
assert not res_null.isUnknown()
def test_equal(tm, solver):
solver.setOption("sygus", "true")
solver.synthFun("f", {}, tm.getBooleanSort())
tfalse = tm.mkFalse()
ttrue = tm.mkTrue()
solver.addSygusConstraint(ttrue)
res1 = solver.checkSynth()
solver.addSygusConstraint(tfalse)
res2 = solver.checkSynth()
assert res1 == res1
assert res1 != res2
assert res1 != SynthResult()
def test_has_solution(tm, solver):
solver.setOption("sygus", "true")
f = solver.synthFun("f", [], solver.getBooleanSort())
boolTerm = tm.mkBoolean(True)
solver.addSygusConstraint(boolTerm)
res = solver.checkSynth()
assert not res.isNull()
assert res.hasSolution()
assert not res.hasNoSolution()
assert not res.isUnknown()
assert str(res) == '(SOLUTION)'
def test_has_no_solution(solver):
res_null = SynthResult()
assert not res_null.hasNoSolution()
def test_has_is_unknown(tm, solver):
solver.setOption("sygus", "true")
f = solver.synthFun("f", [], solver.getBooleanSort())
boolTerm = tm.mkBoolean(False)
solver.addSygusConstraint(boolTerm)
res = solver.checkSynth()
assert not res.isNull()
assert not res.hasSolution()
assert res.hasNoSolution()
assert not res.isUnknown()
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