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/****************************************************************************** |
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* Top contributors (to current version): |
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* Aina Niemetz |
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* |
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* This file is part of the cvc5 project. |
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* |
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* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS |
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* in the top-level source directory and their institutional affiliations. |
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* All rights reserved. See the file COPYING in the top-level source |
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* directory for licensing information. |
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* **************************************************************************** |
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* |
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* Unit tests for the strings rewriter. |
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*/ |
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#include <iostream> |
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#include <memory> |
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#include <vector> |
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#include "expr/node.h" |
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#include "expr/node_manager.h" |
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#include "test_smt.h" |
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#include "theory/rewriter.h" |
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#include "theory/strings/strings_rewriter.h" |
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#include "util/string.h" |
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namespace cvc5 { |
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using namespace kind; |
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using namespace theory; |
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using namespace theory::strings; |
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namespace test { |
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class TestTheoryWhiteStringsRewriter : public TestSmt |
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{ |
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}; |
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TEST_F(TestTheoryWhiteStringsRewriter, rewrite_leq) |
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{ |
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TypeNode intType = d_nodeManager->integerType(); |
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TypeNode strType = d_nodeManager->stringType(); |
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Node a = d_nodeManager->mkConst(::cvc5::String("A")); |
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Node bc = d_nodeManager->mkConst(::cvc5::String("BC")); |
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Node x = d_nodeManager->mkVar("x", strType); |
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Node y = d_nodeManager->mkVar("y", strType); |
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Node ax = d_nodeManager->mkNode(STRING_CONCAT, a, x); |
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Node bcy = d_nodeManager->mkNode(STRING_CONCAT, bc, y); |
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{ |
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Node leq = d_nodeManager->mkNode(STRING_LEQ, ax, bcy); |
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ASSERT_EQ(Rewriter::rewrite(leq), d_nodeManager->mkConst(true)); |
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} |
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{ |
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Node leq = d_nodeManager->mkNode(STRING_LEQ, bcy, ax); |
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ASSERT_EQ(Rewriter::rewrite(leq), d_nodeManager->mkConst(false)); |
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} |
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} |
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} // namespace test |
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} // namespace cvc5 |