google test: theory: Migrate theory_bv_white. (#5987)

3 files changed, 99 insertions, 120 deletions

diff --git a/test/unit/theory/CMakeLists.txt b/test/unit/theory/CMakeLists.txt
index f9c2d3141..14ae782e4 100644
--- a/test/unit/theory/CMakeLists.txt
+++ b/test/unit/theory/CMakeLists.txt
@@ -19,7 +19,7 @@ cvc4_add_unit_test_white(theory_bags_normal_form_white theory)
 cvc4_add_unit_test_white(theory_bags_rewriter_white theory)
 cvc4_add_unit_test_white(theory_bags_type_rules_white theory)
 cvc4_add_unit_test_white(theory_bv_rewriter_white theory)
-cvc4_add_cxx_unit_test_white(theory_bv_white theory)
+cvc4_add_unit_test_white(theory_bv_white theory)
 cvc4_add_unit_test_white(theory_engine_white theory)
 cvc4_add_cxx_unit_test_white(theory_quantifiers_bv_instantiator_white theory)
 cvc4_add_cxx_unit_test_white(theory_quantifiers_bv_inverter_white theory)
diff --git a/test/unit/theory/theory_bv_white.cpp b/test/unit/theory/theory_bv_white.cpp
new file mode 100644
index 000000000..0f304bfcf
--- /dev/null
+++ b/test/unit/theory/theory_bv_white.cpp
@@ -0,0 +1,98 @@
+/*********************                                                        */
+/*! \file theory_bv_white.cpp
+ ** \verbatim
+ ** Top contributors (to current version):
+ **   Aina Niemetz, Mathias Preiner, 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 [[ Add one-line brief description here ]]
+ **
+ ** [[ Add lengthier description here ]]
+ ** \todo document this file
+ **/
+
+#include <vector>
+
+#include "context/context.h"
+#include "expr/node.h"
+#include "test_smt.h"
+#include "theory/bv/bitblast/eager_bitblaster.h"
+#include "theory/bv/bv_solver_lazy.h"
+#include "theory/theory.h"
+#include "theory/theory_engine.h"
+#include "theory/theory_test_utils.h"
+
+namespace CVC4 {
+
+using namespace theory;
+using namespace theory::bv;
+using namespace theory::bv::utils;
+using namespace expr;
+using namespace context;
+using namespace smt;
+
+namespace test {
+
+class TestTheoryWhiteBv : public TestSmtNoFinishInit
+{
+};
+
+TEST_F(TestTheoryWhiteBv, bitblaster_core)
+{
+  d_smtEngine->setLogic("QF_BV");
+
+  d_smtEngine->setOption("bitblast", SExpr("eager"));
+  d_smtEngine->setOption("incremental", SExpr("false"));
+  // Notice that this unit test uses the theory engine of a created SMT
+  // engine d_smtEngine. We must ensure that d_smtEngine is properly initialized
+  // via the following call, which constructs its underlying theory engine.
+  d_smtEngine->finishInit();
+  TheoryBV* tbv = dynamic_cast<TheoryBV*>(
+      d_smtEngine->getTheoryEngine()->d_theoryTable[THEORY_BV]);
+  BVSolverLazy* bvsl = dynamic_cast<BVSolverLazy*>(tbv->d_internal.get());
+  std::unique_ptr<EagerBitblaster> bb(
+      new EagerBitblaster(bvsl, d_smtEngine->getContext()));
+
+  Node x = d_nodeManager->mkVar("x", d_nodeManager->mkBitVectorType(16));
+  Node y = d_nodeManager->mkVar("y", d_nodeManager->mkBitVectorType(16));
+  Node x_plus_y = d_nodeManager->mkNode(kind::BITVECTOR_PLUS, x, y);
+  Node one = d_nodeManager->mkConst<BitVector>(BitVector(16, 1u));
+  Node x_shl_one = d_nodeManager->mkNode(kind::BITVECTOR_SHL, x, one);
+  Node eq = d_nodeManager->mkNode(kind::EQUAL, x_plus_y, x_shl_one);
+  Node not_x_eq_y = d_nodeManager->mkNode(
+      kind::NOT, d_nodeManager->mkNode(kind::EQUAL, x, y));
+
+  bb->bbFormula(eq);
+  bb->bbFormula(not_x_eq_y);
+
+  ASSERT_EQ(bb->solve(), false);
+}
+
+TEST_F(TestTheoryWhiteBv, mkUmulo)
+{
+  d_smtEngine->setOption("incremental", SExpr("true"));
+  for (uint32_t w = 1; w < 16; ++w)
+  {
+    d_smtEngine->push();
+    Node x = d_nodeManager->mkVar("x", d_nodeManager->mkBitVectorType(w));
+    Node y = d_nodeManager->mkVar("y", d_nodeManager->mkBitVectorType(w));
+
+    Node zx = mkConcat(mkZero(w), x);
+    Node zy = mkConcat(mkZero(w), y);
+    Node mul = d_nodeManager->mkNode(kind::BITVECTOR_MULT, zx, zy);
+    Node lhs = d_nodeManager->mkNode(
+        kind::DISTINCT, mkExtract(mul, 2 * w - 1, w), mkZero(w));
+    Node rhs = mkUmulo(x, y);
+    Node eq = d_nodeManager->mkNode(kind::DISTINCT, lhs, rhs);
+    d_smtEngine->assertFormula(eq.toExpr());
+    Result res = d_smtEngine->checkSat();
+    ASSERT_EQ(res.isSat(), Result::UNSAT);
+    d_smtEngine->pop();
+  }
+}
+}  // namespace test
+}  // namespace CVC4
diff --git a/test/unit/theory/theory_bv_white.h b/test/unit/theory/theory_bv_white.h
deleted file mode 100644
index 0cfe722a6..000000000
--- a/test/unit/theory/theory_bv_white.h
+++ /dev/null
@@ -1,119 +0,0 @@
-/*********************                                                        */
-/*! \file theory_bv_white.h
- ** \verbatim
- ** Top contributors (to current version):
- **   Liana Hadarean, Aina Niemetz, Mathias Preiner
- ** 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 [[ Add one-line brief description here ]]
- **
- ** [[ Add lengthier description here ]]
- ** \todo document this file
- **/
-
-#include <cxxtest/TestSuite.h>
-
-#include <vector>
-
-#include "context/context.h"
-#include "expr/node.h"
-#include "expr/node_manager.h"
-#include "smt/smt_engine.h"
-#include "smt/smt_engine_scope.h"
-#include "theory/bv/bitblast/eager_bitblaster.h"
-#include "theory/bv/bv_solver_lazy.h"
-#include "theory/theory.h"
-#include "theory/theory_engine.h"
-#include "theory/theory_test_utils.h"
-
-using namespace CVC4;
-using namespace CVC4::theory;
-using namespace CVC4::theory::bv;
-using namespace CVC4::theory::bv::utils; 
-using namespace CVC4::expr;
-using namespace CVC4::context;
-using namespace CVC4::smt;
-
-using namespace std;
-
-class TheoryBVWhite : public CxxTest::TestSuite {
-
-  ExprManager* d_em;
-  NodeManager* d_nm;
-  SmtEngine* d_smt;
-  SmtScope* d_scope;
-
-public:
-
-  TheoryBVWhite() {}
-
-  void setUp() override
-  {
-    d_em = new ExprManager();
-    d_nm = NodeManager::fromExprManager(d_em);
-    d_smt = new SmtEngine(d_nm);
-    d_scope = new SmtScope(d_smt);
-  }
-
-  void tearDown() override
-  {
-    delete d_scope;
-    delete d_smt;
-    delete d_em;
-  }
- 
-  void testBitblasterCore() {
-    d_smt->setLogic("QF_BV");
-
-    d_smt->setOption("bitblast", SExpr("eager"));
-    d_smt->setOption("incremental", SExpr("false"));
-    // Notice that this unit test uses the theory engine of a created SMT
-    // engine d_smt. We must ensure that d_smt is properly initialized via
-    // the following call, which constructs its underlying theory engine.
-    d_smt->finishInit();
-    TheoryBV* tbv = dynamic_cast<TheoryBV*>(
-        d_smt->getTheoryEngine()->d_theoryTable[THEORY_BV]);
-    BVSolverLazy* bvsl = dynamic_cast<BVSolverLazy*>(tbv->d_internal.get());
-    EagerBitblaster* bb = new EagerBitblaster(bvsl, d_smt->getContext());
-
-    Node x = d_nm->mkVar("x", d_nm->mkBitVectorType(16));
-    Node y = d_nm->mkVar("y", d_nm->mkBitVectorType(16));
-    Node x_plus_y = d_nm->mkNode(kind::BITVECTOR_PLUS, x, y);
-    Node one = d_nm->mkConst<BitVector>(BitVector(16, 1u));
-    Node x_shl_one = d_nm->mkNode(kind::BITVECTOR_SHL, x, one);
-    Node eq = d_nm->mkNode(kind::EQUAL, x_plus_y, x_shl_one);
-    Node not_x_eq_y = d_nm->mkNode(kind::NOT, d_nm->mkNode(kind::EQUAL, x, y));
-
-    bb->bbFormula(eq);
-    bb->bbFormula(not_x_eq_y);
-
-    bool res = bb->solve();
-    TS_ASSERT (res == false);
-    delete bb;
-  }
-
-  void testMkUmulo() {
-    d_smt->setOption("incremental", SExpr("true"));
-    for (size_t w = 1; w < 16; ++w) {
-      d_smt->push();
-      Node x = d_nm->mkVar("x", d_nm->mkBitVectorType(w));
-      Node y = d_nm->mkVar("y", d_nm->mkBitVectorType(w));
-
-      Node zx = mkConcat(mkZero(w), x);
-      Node zy = mkConcat(mkZero(w), y);
-      Node mul = d_nm->mkNode(kind::BITVECTOR_MULT, zx, zy);
-      Node lhs =
-          d_nm->mkNode(kind::DISTINCT, mkExtract(mul, 2 * w - 1, w), mkZero(w));
-      Node rhs = mkUmulo(x, y);
-      Node eq = d_nm->mkNode(kind::DISTINCT, lhs, rhs);
-      d_smt->assertFormula(eq.toExpr());
-      Result res = d_smt->checkSat();
-      TS_ASSERT(res.isSat() == Result::UNSAT);
-      d_smt->pop();
-    }
-  }
-};/* class TheoryBVWhite */