mc/tests/lib/strutil/parse_integer.c

/*
   lib/strutil - tests for lib/strutil/parse_integer function.

   Copyright (C) 2013-2025
   Free Software Foundation, Inc.

   Written by:
   Andrew Borodin <aborodin@vmail.ru>, 2013

   This file is part of the Midnight Commander.

   The Midnight Commander is free software: you can redistribute it
   and/or modify it under the terms of the GNU General Public License as
   published by the Free Software Foundation, either version 3 of the License,
   or (at your option) any later version.

   The Midnight Commander is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#define TEST_SUITE_NAME "/lib/strutil"

#include "tests/mctest.h"

#include <inttypes.h>

#include "lib/strutil.h"

/* --------------------------------------------------------------------------------------------- */

/* @Before */
static void
setup (void)
{
}

/* --------------------------------------------------------------------------------------------- */

/* @After */
static void
teardown (void)
{
}

/* --------------------------------------------------------------------------------------------- */

/* @DataSource("parse_integer_test_ds") */
static const struct parse_integer_test_ds
{
    const char *haystack;
    uintmax_t expected_result;
    gboolean invalid;
} parse_integer_test_ds[] = {
    { // too big
      "99999999999999999999999999999999999999999999999999999999999999999999", 0, TRUE },
    { "x", 0, TRUE },
    { "9x", 0, TRUE },
    { "1", 1, FALSE },
    { "-1", 0, TRUE },
    { "1k", 1024, FALSE },
    { "1K", 1024, FALSE },
    { "1M", 1024 * 1024, FALSE },
    { "1m", 0, TRUE },
    { "64M", 64 * 1024 * 1024, FALSE },
    { "1G", 1 * 1024 * 1024 * 1024, FALSE },
};

/* @Test(dataSource = "parse_integer_test_ds") */
START_PARAMETRIZED_TEST (parse_integer_test, parse_integer_test_ds)
{
    // given
    uintmax_t actual_result;
    gboolean invalid = FALSE;

    // when
    actual_result = parse_integer (data->haystack, &invalid);

    // then
    ck_assert_msg (invalid == data->invalid && actual_result == data->expected_result,
                   "actual ( %" PRIuMAX ") not equal to\nexpected (%" PRIuMAX ")", actual_result,
                   data->expected_result);
}
END_PARAMETRIZED_TEST

/* --------------------------------------------------------------------------------------------- */

int
main (void)
{
    TCase *tc_core;

    tc_core = tcase_create ("Core");

    tcase_add_checked_fixture (tc_core, setup, teardown);

    // Add new tests here: ***************
    mctest_add_parameterized_test (tc_core, parse_integer_test, parse_integer_test_ds);
    // ***********************************

    return mctest_run_all (tc_core);
}

/* --------------------------------------------------------------------------------------------- */