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Diffstat (limited to 'test/unit/theory/evaluator_white.h')
-rw-r--r-- | test/unit/theory/evaluator_white.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/test/unit/theory/evaluator_white.h b/test/unit/theory/evaluator_white.h new file mode 100644 index 000000000..4416ee00a --- /dev/null +++ b/test/unit/theory/evaluator_white.h @@ -0,0 +1,122 @@ +/********************* */ +/*! \file evaluator_white.h + ** \verbatim + ** Top contributors (to current version): + ** Andres Noetzli + ** This file is part of the CVC4 project. + ** Copyright (c) 2009-2018 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 [[ Add one-line brief description here ]] + ** + ** [[ Add lengthier description here ]] + ** \todo document this file + **/ + +#include <cxxtest/TestSuite.h> +#include <vector> + +#include "expr/node.h" +#include "expr/node_manager.h" +#include "smt/smt_engine.h" +#include "smt/smt_engine_scope.h" +#include "theory/bv/theory_bv_utils.h" +#include "theory/evaluator.h" +#include "theory/rewriter.h" +#include "theory/theory_test_utils.h" + +using namespace CVC4; +using namespace CVC4::smt; +using namespace CVC4::theory; + +using namespace std; + +class TheoryEvaluatorWhite : public CxxTest::TestSuite +{ + ExprManager *d_em; + NodeManager *d_nm; + SmtEngine *d_smt; + SmtScope *d_scope; + + public: + TheoryEvaluatorWhite() {} + + void setUp() + { + Options opts; + opts.setOutputLanguage(language::output::LANG_SMTLIB_V2); + d_em = new ExprManager(opts); + d_nm = NodeManager::fromExprManager(d_em); + d_smt = new SmtEngine(d_em); + d_scope = new SmtScope(d_smt); + } + + void tearDown() + { + delete d_scope; + delete d_smt; + delete d_em; + } + + void testSimple() + { + TypeNode bv64Type = d_nm->mkBitVectorType(64); + + Node w = d_nm->mkVar("w", bv64Type); + Node x = d_nm->mkVar("x", bv64Type); + Node y = d_nm->mkVar("y", bv64Type); + Node z = d_nm->mkVar("z", bv64Type); + + Node zero = d_nm->mkConst(BitVector(64, (unsigned int)0)); + Node one = d_nm->mkConst(BitVector(64, (unsigned int)1)); + Node c1 = d_nm->mkConst(BitVector( + 64, + (unsigned int)0b0000000100000101001110111001101000101110011101011011110011100111)); + Node c2 = d_nm->mkConst(BitVector( + 64, + (unsigned int)0b0000000100000101001110111001101000101110011101011011110011100111)); + + Node t = d_nm->mkNode(kind::ITE, d_nm->mkNode(kind::EQUAL, y, one), x, w); + + std::vector<Node> args = {w, x, y, z}; + std::vector<Node> vals = {c1, zero, one, c1}; + + Evaluator eval; + Node r = eval.eval(t, args, vals); + TS_ASSERT_EQUALS(r, + Rewriter::rewrite(t.substitute( + args.begin(), args.end(), vals.begin(), vals.end()))); + } + + void testLoop() + { + TypeNode bv64Type = d_nm->mkBitVectorType(64); + + Node w = d_nm->mkBoundVar(bv64Type); + Node x = d_nm->mkVar("x", bv64Type); + + Node zero = d_nm->mkConst(BitVector(1, (unsigned int)0)); + Node one = d_nm->mkConst(BitVector(64, (unsigned int)1)); + Node c = d_nm->mkConst(BitVector( + 64, + (unsigned int)0b0001111000010111110000110110001101011110111001101100000101010100)); + + Node largs = d_nm->mkNode(kind::BOUND_VAR_LIST, w); + Node lbody = d_nm->mkNode( + kind::BITVECTOR_CONCAT, bv::utils::mkExtract(w, 62, 0), zero); + Node lambda = d_nm->mkNode(kind::LAMBDA, largs, lbody); + Node t = d_nm->mkNode(kind::BITVECTOR_AND, + d_nm->mkNode(kind::APPLY_UF, lambda, one), + d_nm->mkNode(kind::APPLY_UF, lambda, x)); + + std::vector<Node> args = {x}; + std::vector<Node> vals = {c}; + Evaluator eval; + Node r = eval.eval(t, args, vals); + TS_ASSERT_EQUALS(r, + Rewriter::rewrite(t.substitute( + args.begin(), args.end(), vals.begin(), vals.end()))); + } +}; |