--- /dev/null
+/********************* */
+/*! \file theory_bv_rewriter_white.cpp
+ ** \verbatim
+ ** Top contributors (to current version):
+ ** Aina Niemetz
+ ** This file is part of the CVC4 project.
+ ** Copyright (c) 2009-2020 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 Unit tests for the bit-vector rewriter
+ **
+ ** Unit tests for the bit-vector rewriter.
+ **/
+
+#include <iostream>
+#include <memory>
+#include <vector>
+
+#include "expr/node.h"
+#include "test_smt.h"
+#include "theory/rewriter.h"
+#include "util/bitvector.h"
+
+namespace CVC4 {
+
+using namespace kind;
+using namespace smt;
+using namespace theory;
+
+namespace test {
+
+class TestTheoryWhiteBvRewriter : public TestSmt
+{
+ protected:
+ Node boolToBv(Node b)
+ {
+ return d_nodeManager->mkNode(ITE,
+ b,
+ d_nodeManager->mkConst(BitVector(1, 1u)),
+ d_nodeManager->mkConst(BitVector(1, 0u)));
+ }
+};
+
+TEST_F(TestTheoryWhiteBvRewriter, rewrite_to_fixpoint)
+{
+ TypeNode boolType = d_nodeManager->booleanType();
+ TypeNode bvType = d_nodeManager->mkBitVectorType(1);
+
+ Node zero = d_nodeManager->mkConst(BitVector(1, 0u));
+ Node b1 = d_nodeManager->mkVar("b1", boolType);
+ Node b2 = d_nodeManager->mkVar("b2", boolType);
+ Node b3 = d_nodeManager->mkVar("b3", boolType);
+ Node bv = d_nodeManager->mkVar("bv", bvType);
+
+ Node n = d_nodeManager->mkNode(
+ BITVECTOR_ITE,
+ boolToBv(b1),
+ d_nodeManager->mkNode(
+ BITVECTOR_ITE,
+ boolToBv(b2),
+ d_nodeManager->mkNode(BITVECTOR_ITE, boolToBv(b3), zero, bv),
+ bv),
+ bv);
+ Node nr = Rewriter::rewrite(n);
+ ASSERT_EQ(nr, Rewriter::rewrite(nr));
+}
+
+TEST_F(TestTheoryWhiteBvRewriter, rewrite_bv_ite)
+{
+ TypeNode boolType = d_nodeManager->booleanType();
+ TypeNode bvType = d_nodeManager->mkBitVectorType(1);
+
+ Node zero = d_nodeManager->mkConst(BitVector(1, 0u));
+ Node c1 = d_nodeManager->mkVar("c1", bvType);
+ Node c2 = d_nodeManager->mkVar("c2", bvType);
+
+ Node ite = d_nodeManager->mkNode(BITVECTOR_ITE, c2, zero, zero);
+ Node n = d_nodeManager->mkNode(BITVECTOR_ITE, c1, ite, ite);
+ Node nr = Rewriter::rewrite(n);
+ ASSERT_EQ(nr, Rewriter::rewrite(nr));
+}
+} // namespace test
+} // namespace CVC4
+++ /dev/null
-/********************* */
-/*! \file theory_bv_rewriter_white.h
- ** \verbatim
- ** Top contributors (to current version):
- ** Andres Noetzli, Andrew Reynolds
- ** This file is part of the CVC4 project.
- ** Copyright (c) 2009-2020 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 Unit tests for the bit-vector rewriter
- **
- ** Unit tests for the bit-vector rewriter.
- **/
-
-#include "expr/node.h"
-#include "expr/node_manager.h"
-#include "smt/smt_engine.h"
-#include "smt/smt_engine_scope.h"
-#include "theory/rewriter.h"
-#include "util/bitvector.h"
-
-#include <cxxtest/TestSuite.h>
-#include <iostream>
-#include <memory>
-#include <vector>
-
-using namespace CVC4;
-using namespace CVC4::kind;
-using namespace CVC4::smt;
-using namespace CVC4::theory;
-
-class TheoryBvRewriterWhite : public CxxTest::TestSuite
-{
- public:
- TheoryBvRewriterWhite() {}
-
- void setUp() override
- {
- Options opts;
- opts.setOutputLanguage(language::output::LANG_SMTLIB_V2);
- d_em = new ExprManager;
- d_nm = NodeManager::fromExprManager(d_em);
- d_smt = new SmtEngine(d_nm, &opts);
- d_scope = new SmtScope(d_smt);
- d_smt->finishInit();
- }
-
- void tearDown() override
- {
- delete d_scope;
- delete d_smt;
- delete d_em;
- }
-
- Node boolToBv(Node b)
- {
- return d_nm->mkNode(ITE,
- b,
- d_nm->mkConst(BitVector(1, 1u)),
- d_nm->mkConst(BitVector(1, 0u)));
- }
-
- void testRewriteToFixpoint()
- {
- TypeNode boolType = d_nm->booleanType();
- TypeNode bvType = d_nm->mkBitVectorType(1);
-
- Node zero = d_nm->mkConst(BitVector(1, 0u));
- Node b1 = d_nm->mkVar("b1", boolType);
- Node b2 = d_nm->mkVar("b2", boolType);
- Node b3 = d_nm->mkVar("b3", boolType);
- Node bv = d_nm->mkVar("bv", bvType);
-
- Node n = d_nm->mkNode(
- BITVECTOR_ITE,
- boolToBv(b1),
- d_nm->mkNode(BITVECTOR_ITE,
- boolToBv(b2),
- d_nm->mkNode(BITVECTOR_ITE, boolToBv(b3), zero, bv),
- bv),
- bv);
- Node nr = Rewriter::rewrite(n);
- TS_ASSERT_EQUALS(nr, Rewriter::rewrite(nr));
- }
-
- void testRewriteBvIte()
- {
- TypeNode boolType = d_nm->booleanType();
- TypeNode bvType = d_nm->mkBitVectorType(1);
-
- Node zero = d_nm->mkConst(BitVector(1, 0u));
- Node c1 = d_nm->mkVar("c1", bvType);
- Node c2 = d_nm->mkVar("c2", bvType);
-
- Node ite = d_nm->mkNode(BITVECTOR_ITE, c2, zero, zero);
- Node n = d_nm->mkNode(BITVECTOR_ITE, c1, ite, ite);
- Node nr = Rewriter::rewrite(n);
- TS_ASSERT_EQUALS(nr, Rewriter::rewrite(nr));
- }
-
- private:
- ExprManager* d_em;
- SmtEngine* d_smt;
- SmtScope* d_scope;
-
- NodeManager* d_nm;
-};