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/*
* Copyright (C) 2025 Johnny Richard <johnny@johnnyrichard.com>
*
* SPDX-License-Identifier: LGPL-3.0-or-later
*
* This file is part of obe.
*
* obe is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* obe 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with obe. If not, see <https://www.gnu.org/licenses/>.
*/
#include <check.h>
#include <obe/arena.h>
#include <stdlib.h>
START_TEST(obe_arena_alloc_test)
{
obe_arena_t arena = { 0 };
int* ptr = obe_arena_alloc(&arena, sizeof(int));
ck_assert_ptr_nonnull(ptr);
*ptr = 10;
ck_assert_int_eq(*ptr, 10);
obe_arena_free(&arena);
}
END_TEST
START_TEST(obe_arena_realloc_test)
{
obe_arena_t arena = { 0 };
int* ptr = obe_arena_alloc(&arena, sizeof(int));
ck_assert_ptr_nonnull(ptr);
*ptr = 42;
int* old_ptr = ptr;
int* new_ptr = obe_arena_realloc(&arena, ptr, sizeof(int), sizeof(int) * 2);
ck_assert_int_eq(new_ptr[0], 42);
ck_assert_ptr_ne(new_ptr, old_ptr);
obe_arena_free(&arena);
}
END_TEST
START_TEST(obe_arena_new_region_test)
{
obe_arena_t arena = { 0 };
void* ptr = obe_arena_alloc(&arena, OBE_ARENA_REGION_DEFAULT_CAPACITY);
ck_assert_ptr_nonnull(ptr);
ck_assert_ptr_nonnull(arena.begin);
ck_assert_ptr_eq(arena.begin, arena.end);
ck_assert_ptr_null(arena.end->next);
ptr = obe_arena_alloc(&arena, sizeof(char));
ck_assert_ptr_nonnull(ptr);
ck_assert_ptr_ne(arena.begin, arena.end);
ck_assert_ptr_eq(arena.end->data, ptr);
ck_assert_ptr_null(arena.end->next);
obe_arena_free(&arena);
}
END_TEST
START_TEST(obe_arena_strdup_test)
{
obe_arena_t arena = { 0 };
char* s = "long string";
char* dup = obe_arena_strdup(&arena, s);
ck_assert_str_eq(dup, s);
obe_arena_free(&arena);
}
END_TEST
Suite*
arena_suite(void)
{
Suite* s;
TCase* alloc_case;
s = suite_create("Arena");
/* Allocation test case */
alloc_case = tcase_create("Allocation");
tcase_add_test(alloc_case, obe_arena_alloc_test);
tcase_add_test(alloc_case, obe_arena_realloc_test);
tcase_add_test(alloc_case, obe_arena_new_region_test);
tcase_add_test(alloc_case, obe_arena_strdup_test);
suite_add_tcase(s, alloc_case);
return s;
}
int
main(void)
{
int number_failed;
Suite* s;
SRunner* sr;
s = arena_suite();
sr = srunner_create(s);
srunner_run_all(sr, CK_NORMAL);
number_failed = srunner_ntests_failed(sr);
srunner_free(sr);
return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
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