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/* Boolector: Satisfiability Modulo Theories (SMT) solver.
*
* Copyright (C) 2007-2021 by the authors listed in the AUTHORS file.
*
* This file is part of Boolector.
* See COPYING for more information on using this software.
*/
#include "test.h"
extern "C" {
#include "utils/btorutil.h"
}
class TestComp : public TestBoolector
{
protected:
static constexpr uint32_t BTOR_TEST_COMP_LOW = 1;
static constexpr uint32_t BTOR_TEST_COMP_HIGH = 4;
void u_comp_test (int32_t (*func) (int32_t, int32_t),
BoolectorNode *(*btorfun) (Btor *,
BoolectorNode *,
BoolectorNode *),
int32_t low,
int32_t high,
uint32_t rwl)
{
assert (func != NULL);
assert (low > 0);
assert (low <= high);
int32_t i = 0;
int32_t j = 0;
int32_t result = 0;
int32_t num_bits = 0;
int32_t max = 0;
int32_t sat_res;
for (num_bits = low; num_bits <= high; num_bits++)
{
max = btor_util_pow_2 (num_bits);
for (i = 0; i < max; i++)
{
for (j = 0; j < max; j++)
{
result = func (i, j);
if (d_btor) boolector_delete (d_btor);
d_btor = boolector_new ();
boolector_set_opt (d_btor, BTOR_OPT_REWRITE_LEVEL, rwl);
BoolectorSort sort = boolector_bitvec_sort (d_btor, num_bits);
BoolectorNode *const1, *const2, *bfun;
const1 = boolector_unsigned_int (d_btor, i, sort);
const2 = boolector_unsigned_int (d_btor, j, sort);
bfun = btorfun (d_btor, const1, const2);
boolector_assert (d_btor, bfun);
sat_res = boolector_sat (d_btor);
ASSERT_TRUE ((result && sat_res == BOOLECTOR_SAT)
|| (!result && sat_res == BOOLECTOR_UNSAT));
boolector_release_sort (d_btor, sort);
boolector_release (d_btor, const1);
boolector_release (d_btor, const2);
boolector_release (d_btor, bfun);
boolector_delete (d_btor);
d_btor = nullptr;
}
}
}
}
void s_comp_test (int32_t (*func) (int32_t, int32_t),
BoolectorNode *(*btorfun) (Btor *,
BoolectorNode *,
BoolectorNode *),
int32_t low,
int32_t high,
uint32_t rwl)
{
assert (func != NULL);
assert (low > 0);
assert (low <= high);
int32_t i = 0;
int32_t j = 0;
int32_t result = 0;
int32_t num_bits = 0;
int32_t max = 0;
int32_t sat_res;
for (num_bits = low; num_bits <= high; num_bits++)
{
max = btor_util_pow_2 (num_bits - 1);
for (i = -max; i < max; i++)
{
for (j = -max; j < max; j++)
{
result = func (i, j);
if (d_btor) boolector_delete (d_btor);
d_btor = boolector_new ();
boolector_set_opt (d_btor, BTOR_OPT_REWRITE_LEVEL, rwl);
BoolectorSort sort = boolector_bitvec_sort (d_btor, num_bits);
BoolectorNode *const1, *const2, *bfun;
const1 = boolector_int (d_btor, i, sort);
const2 = boolector_int (d_btor, j, sort);
bfun = btorfun (d_btor, const1, const2);
boolector_assert (d_btor, bfun);
sat_res = boolector_sat (d_btor);
ASSERT_TRUE (sat_res == BOOLECTOR_SAT || sat_res == BOOLECTOR_UNSAT);
if (sat_res == BOOLECTOR_SAT)
{
ASSERT_TRUE (result > 0);
}
else
{
ASSERT_EQ (sat_res, BOOLECTOR_UNSAT);
ASSERT_TRUE (result == 0);
}
boolector_release_sort (d_btor, sort);
boolector_release (d_btor, const1);
boolector_release (d_btor, const2);
boolector_release (d_btor, bfun);
boolector_delete (d_btor);
d_btor = nullptr;
}
}
}
}
static int32_t eq (int32_t x, int32_t y) { return x == y; }
static int32_t ne (int32_t x, int32_t y) { return x != y; }
static int32_t lt (int32_t x, int32_t y) { return x < y; }
static int32_t lte (int32_t x, int32_t y) { return x <= y; }
static int32_t gt (int32_t x, int32_t y) { return x > y; }
static int32_t gte (int32_t x, int32_t y) { return x >= y; }
};
TEST_F (TestComp, test_eq_1)
{
u_comp_test (eq, boolector_eq, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 1);
u_comp_test (eq, boolector_eq, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 0);
}
TEST_F (TestComp, test_ne_1)
{
u_comp_test (ne, boolector_ne, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 1);
u_comp_test (ne, boolector_ne, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 0);
}
TEST_F (TestComp, test_ult)
{
u_comp_test (lt, boolector_ult, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 1);
u_comp_test (lt, boolector_ult, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 0);
}
TEST_F (TestComp, test_ulte)
{
u_comp_test (lte, boolector_ulte, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 1);
u_comp_test (lte, boolector_ulte, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 0);
}
TEST_F (TestComp, test_ugt)
{
u_comp_test (gt, boolector_ugt, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 1);
u_comp_test (gt, boolector_ugt, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 0);
}
TEST_F (TestComp, test_ugte)
{
u_comp_test (gte, boolector_ugte, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 1);
u_comp_test (gte, boolector_ugte, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 0);
}
TEST_F (TestComp, test_eq_2)
{
s_comp_test (eq, boolector_eq, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 1);
s_comp_test (eq, boolector_eq, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 0);
}
TEST_F (TestComp, test_ne_2)
{
s_comp_test (ne, boolector_ne, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 1);
s_comp_test (ne, boolector_ne, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 0);
}
TEST_F (TestComp, test_slt)
{
s_comp_test (lt, boolector_slt, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 1);
s_comp_test (lt, boolector_slt, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 0);
}
TEST_F (TestComp, test_slte)
{
s_comp_test (lte, boolector_slte, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 1);
s_comp_test (lte, boolector_slte, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 0);
}
TEST_F (TestComp, test_sgt)
{
s_comp_test (gt, boolector_sgt, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 1);
s_comp_test (gt, boolector_sgt, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 0);
}
TEST_F (TestComp, test_sgte)
{
s_comp_test (gte, boolector_sgte, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 1);
s_comp_test (gte, boolector_sgte, BTOR_TEST_COMP_LOW, BTOR_TEST_COMP_HIGH, 0);
}
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