138 lines
4.0 KiB
C
138 lines
4.0 KiB
C
#include <stdalign.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <setjmp.h>
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#include <cmocka.h>
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#include <string.h>
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#include <limits.h>
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#include "arena.h"
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static void test_push_3_ints(void **state) {
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(void) state;
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ArenaResult value = arena_init(sizeof(int) * 3);
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assert_true(value.is_valid);
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Arena arena = value.arena;
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int int_to_push = 20;
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ArenaPointer result = arena_push(&arena, &int_to_push, sizeof(int), alignof(int));
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assert_true(result.is_valid);
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assert_int_equal(20, *(int*)arena_unwrap_pointer(result));
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assert_int_equal(20, *(int*)arena_unwrap_pointer(result));
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int_to_push = 30;
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result = arena_push(&arena, &int_to_push, sizeof(int), alignof(int));
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assert_true(result.is_valid);
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assert_int_equal(30, *(int*)arena_unwrap_pointer(result));
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int_to_push = 40;
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result = arena_push(&arena, &int_to_push, sizeof(int), alignof(int));
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assert_true(result.is_valid);
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assert_int_equal(40, *(int*)arena_unwrap_pointer(result));
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arena_destroy(&arena);
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}
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static void test_push_3_ints_2_doubles(void **state) {
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(void) state;
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ArenaResult value = arena_init((sizeof(int) * 3) + (sizeof(double) * 2));
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assert_true(value.is_valid);
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Arena arena = value.arena;
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int int_to_push = 20;
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ArenaPointer result = arena_push(&arena, &int_to_push, sizeof(int), alignof(int));
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assert_true(result.is_valid);
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assert_int_equal(20, *(int*)arena_unwrap_pointer(result));
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double double_to_push = 4.57;
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result = arena_push(&arena, &double_to_push, sizeof(double), alignof(double));
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assert_true(result.is_valid);
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assert_double_equal(4.57, *(double*)arena_unwrap_pointer(result), 1e-6);
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int_to_push = 30;
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result = arena_push(&arena, &int_to_push, sizeof(int), alignof(int));
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assert_true(result.is_valid);
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assert_int_equal(30, *(int*)arena_unwrap_pointer(result));
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int_to_push = 40;
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result = arena_push(&arena, &int_to_push, sizeof(int), alignof(int));
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assert_true(result.is_valid);
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assert_int_equal(40, *(int*)arena_unwrap_pointer(result));
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double_to_push = 267.33;
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result = arena_push(&arena, &double_to_push, sizeof(double), alignof(double));
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assert_true(result.is_valid);
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assert_double_equal(267.33, *(double*)arena_unwrap_pointer(result), 1e-6);
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arena_destroy(&arena);
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}
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static void test_init_arena_0_cap(void **state) {
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(void) state;
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ArenaResult arena = arena_init(0);
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assert_false(arena.is_valid);
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assert_int_equal(arena.err, ARENA_INVALID_SIZE);
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}
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static void test_arena_alloc_size_0(void **state) {
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(void) state;
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ArenaResult value = arena_init(64);
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assert_true(value.is_valid);
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Arena arena = value.arena;
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ArenaPointer pointer = arena_alloc(&arena, 0, alignof(int));
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assert_false(pointer.is_valid);
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assert_int_equal(pointer.err, ARENA_INVALID_SIZE);
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arena_destroy(&arena);
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}
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static void test_arena_alloc_size_max(void **state) {
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(void) state;
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ArenaResult value = arena_init(64);
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assert_true(value.is_valid);
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Arena arena = value.arena;
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ArenaPointer pointer = arena_alloc(&arena, SIZE_MAX, alignof(int));
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assert_false(pointer.is_valid);
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assert_int_equal(pointer.err, ARENA_OUT_OF_SPACE);
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arena_destroy(&arena);
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}
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static void test_arena_align_size_0(void **state) {
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(void) state;
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ArenaResult value = arena_init(64);
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assert_true(value.is_valid);
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Arena arena = value.arena;
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ArenaPointer pointer = arena_alloc(&arena, sizeof(int), 0);
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assert_false(pointer.is_valid);
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assert_int_equal(pointer.err, ARENA_INVALID_ALIGN);
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arena_destroy(&arena);
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}
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int main(void) {
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const struct CMUnitTest tests[] = {
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cmocka_unit_test(test_push_3_ints),
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cmocka_unit_test(test_push_3_ints_2_doubles),
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cmocka_unit_test(test_init_arena_0_cap),
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cmocka_unit_test(test_arena_alloc_size_0),
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cmocka_unit_test(test_arena_alloc_size_max),
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cmocka_unit_test(test_arena_align_size_0),
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};
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return cmocka_run_group_tests(tests, NULL, NULL);
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}
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