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/******************************************************************************
* Top contributors (to current version):
* Aina Niemetz, Mudathir Mohamed
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2025 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.
* ****************************************************************************
*
* Black box testing of solver functions of the C API.
*/
extern "C" {
#include <cvc5/c/cvc5_parser.h>
}
#include <sstream>
#include "gtest/gtest.h"
namespace cvc5::internal::test {
class TestCApiBlackCommand : public ::testing::Test
{
protected:
void SetUp() override
{
d_tm = cvc5_term_manager_new();
d_solver = cvc5_new(d_tm);
d_sm = cvc5_symbol_manager_new(d_tm);
d_parser = cvc5_parser_new(d_solver, d_sm);
cvc5_parser_set_inc_str_input(
d_parser, CVC5_INPUT_LANGUAGE_SMT_LIB_2_6, "command_black");
}
void TearDown() override
{
cvc5_parser_delete(d_parser);
cvc5_symbol_manager_delete(d_sm);
cvc5_delete(d_solver);
cvc5_term_manager_delete(d_tm);
}
void parse_command(const char* str,
Cvc5Command* cmd,
bool expect_death = false,
const std::string& err = "")
{
const char* error_msg;
cvc5_parser_append_inc_str_input(d_parser, str);
*cmd = cvc5_parser_next_command(d_parser, &error_msg);
ASSERT_TRUE(expect_death == (error_msg != nullptr));
ASSERT_TRUE(!expect_death
|| (std::string(error_msg).find(err) != std::string::npos));
}
Cvc5TermManager* d_tm;
Cvc5* d_solver;
Cvc5SymbolManager* d_sm;
Cvc5InputParser* d_parser;
};
TEST_F(TestCApiBlackCommand, invoke)
{
Cvc5Command cmd;
parse_command("(set-logic QF_LIA)", &cmd);
ASSERT_NE(cmd, nullptr);
(void)cvc5_cmd_invoke(cmd, d_solver, d_sm);
// get model not available
parse_command("(get-model)", &cmd);
ASSERT_NE(cmd, nullptr);
const char* out = cvc5_cmd_invoke(cmd, d_solver, d_sm);
ASSERT_NE(out, nullptr);
ASSERT_EQ(
"(error \"cannot get model unless model generation is enabled (try "
"--produce-models)\")\n",
std::string(out));
ASSERT_DEATH(cvc5_cmd_invoke(nullptr, d_solver, d_sm), "invalid command");
ASSERT_DEATH(cvc5_cmd_invoke(cmd, nullptr, d_sm), "unexpected NULL argument");
ASSERT_DEATH(cvc5_cmd_invoke(cmd, d_solver, nullptr),
"unexpected NULL argument");
// logic already set
parse_command(
"(set-logic QF_LRA)", &cmd, true, "Only one set-logic is allowed");
}
TEST_F(TestCApiBlackCommand, to_string)
{
Cvc5Command cmd;
parse_command("(set-logic QF_LIA)", &cmd);
ASSERT_NE(cmd, nullptr);
// note normalizes wrt whitespace
ASSERT_EQ(cvc5_cmd_to_string(cmd), std::string("(set-logic QF_LIA)"));
ASSERT_DEATH(cvc5_cmd_to_string(nullptr), "invalid command");
}
TEST_F(TestCApiBlackCommand, get_name)
{
Cvc5Command cmd;
parse_command("(get-model)", &cmd);
ASSERT_NE(cmd, nullptr);
ASSERT_EQ(cvc5_cmd_get_name(cmd), std::string("get-model"));
ASSERT_DEATH(cvc5_cmd_get_name(nullptr), "invalid command");
}
} // namespace cvc5::internal::test
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