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| | /*
* Copyright (C) 2024 olang maintainers
*
* This program 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.
*
* This program 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 MUNIT_ENABLE_ASSERT_ALIASES
#include "arena.h"
#include "munit.h"
static MunitResult
arena_alloc_test(const MunitParameter params[], void *user_data_or_fixture)
{
arena_t arena = arena_new(ARENA_ALIGNMENT_BYTES * 2);
uint8_t *a = arena_alloc(&arena, sizeof(uint8_t));
*a = 1;
uint8_t *b = arena_alloc(&arena, sizeof(uint8_t));
*b = 2;
munit_assert_int(*a, ==, 1);
munit_assert_int(*b, ==, 2);
arena_release(&arena);
uint8_t *c = arena_alloc(&arena, sizeof(uint8_t));
*c = 3;
munit_assert_int(*c, ==, 3);
munit_assert_int(*a, ==, 3);
munit_assert_int(*b, ==, 2);
munit_assert_ptr_not_null(arena_alloc(&arena, sizeof(int)));
munit_assert_ptr_null(arena_alloc(&arena, 1));
arena_free(&arena);
return MUNIT_OK;
}
static MunitResult
arena_padding_test(const MunitParameter params[], void *user_data_or_fixture)
{
arena_t arena = arena_new(512);
// Allocated bytes is < ARENA_ALIGNMENT_BYTES
uint8_t *a = arena_alloc(&arena, sizeof(uint8_t));
uint8_t *b = arena_alloc(&arena, sizeof(uint8_t));
munit_assert_int((b - a) % ARENA_ALIGNMENT_BYTES, ==, 0);
munit_assert_int(b - a, ==, ARENA_ALIGNMENT_BYTES);
arena_release(&arena);
// Allocated bytes is == ARENA_ALIGNMENT_BYTES
a = arena_alloc(&arena, ARENA_ALIGNMENT_BYTES);
b = arena_alloc(&arena, sizeof(uint8_t));
munit_assert_int((b - a) % ARENA_ALIGNMENT_BYTES, ==, 0);
munit_assert_int(b - a, ==, ARENA_ALIGNMENT_BYTES);
arena_release(&arena);
// Allocated bytes is > ARENA_ALIGNMENT_BYTES
a = arena_alloc(&arena, ARENA_ALIGNMENT_BYTES + 1);
b = arena_alloc(&arena, sizeof(uint8_t));
arena_release(&arena);
// Allocated bytes is > 1 byte (overflow test)
a = arena_alloc(&arena, UINT8_MAX + 2);
b = arena_alloc(&arena, sizeof(uint8_t));
munit_assert_int((b - a) % ARENA_ALIGNMENT_BYTES, ==, 0);
munit_assert_int(b - a, ==, UINT8_MAX + 1 + ARENA_ALIGNMENT_BYTES);
arena_free(&arena);
return MUNIT_OK;
}
static MunitTest tests[] = { { "/arena_alloc_test", arena_alloc_test, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL },
{ "/arena_padding_test", arena_padding_test, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL },
{ NULL, NULL, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL } };
static const MunitSuite suite = { "/arena_test", tests, NULL, 1, MUNIT_SUITE_OPTION_NONE };
int
main(int argc, char *argv[])
{
return munit_suite_main(&suite, NULL, argc, argv);
return EXIT_SUCCESS;
}
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