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Add temp arena support

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This commit is contained in:
Abdelrahman Said
2026-01-04 01:21:42 +00:00
parent d2b4ec2052
commit 24069529c3
12 changed files with 202 additions and 16 deletions
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41
tests/arena/test_arena.c
View File

@@ -4,12 +4,17 @@
#define ARENA_CAPACITY KiB(16)
#define ARENA_BUF_SIZE KiB(4)
// NOTE (Abdelrahman): Cannot query size of Arena here so it's hardcoded. Similarly, since arena
// allocation are aligned to power of 2 boundaries, the number of i32 values needed is hardcoded.
#define TEMP_BUF_SIZE (40 + sizeof(i32) * 8)
wapp_intern Arena *arena = NULL;
wapp_intern i32 count = 20;
wapp_intern i32 *array = NULL;
wapp_intern Arena *buf_arena = NULL;
wapp_intern u8 buf[ARENA_BUF_SIZE] = {0};
wapp_intern Arena *arena = NULL;
wapp_intern i32 count = 20;
wapp_intern i32 *array = NULL;
wapp_intern Arena *buf_arena = NULL;
wapp_intern u8 buf[ARENA_BUF_SIZE] = {0};
wapp_intern Arena *temp_arena = NULL;
wapp_intern u8 temp_buf[TEMP_BUF_SIZE] = {0};
TestFuncResult test_arena_init_buffer(void) {
b8 result = wapp_mem_arena_init_buffer(&buf_arena, buf, ARENA_BUF_SIZE);
@@ -108,6 +113,32 @@ TestFuncResult test_arena_realloc_smaller_size(void) {
return wapp_tester_result(true);
}
TestFuncResult test_arena_temp_begin(void) {
b8 result = wapp_mem_arena_init_buffer(&temp_arena, temp_buf, TEMP_BUF_SIZE);
i32 *num1 = (i32 *)wapp_mem_arena_alloc(temp_arena, sizeof(i32));
result = result && num1 != NULL;
wapp_mem_arena_temp_begin(temp_arena);
i32 *num2 = (i32 *)wapp_mem_arena_alloc(temp_arena, sizeof(i32));
result = result && num2 != NULL;
i32 *num3 = (i32 *)wapp_mem_arena_alloc(temp_arena, sizeof(i32));
result = result && num3 == NULL;
return wapp_tester_result(result);
}
TestFuncResult test_arena_temp_end(void) {
wapp_mem_arena_temp_end(temp_arena);
i32 *num1 = (i32 *)wapp_mem_arena_alloc(temp_arena, sizeof(i32));
b8 result = num1 != NULL;
i32 *num2 = (i32 *)wapp_mem_arena_alloc(temp_arena, sizeof(i32));
result = result && num2 == NULL;
wapp_mem_arena_destroy(&temp_arena);
return wapp_tester_result(result);
}
TestFuncResult test_arena_clear(void) {
wapp_mem_arena_clear(arena);
b8 result = true;

41
tests/arena/test_arena.cc
View File

@@ -4,12 +4,17 @@
#define ARENA_CAPACITY KiB(16)
#define ARENA_BUF_SIZE KiB(4)
// NOTE (Abdelrahman): Cannot query size of Arena here so it's hardcoded. Similarly, since arena
// allocation are aligned to power of 2 boundaries, the number of i32 values needed is hardcoded.
#define TEMP_BUF_SIZE (40 + sizeof(i32) * 8)
wapp_intern Arena *arena = NULL;
wapp_intern i32 count = 20;
wapp_intern i32 *array = NULL;
wapp_intern Arena *buf_arena = NULL;
wapp_intern u8 buf[ARENA_BUF_SIZE] = {0};
wapp_intern Arena *arena = NULL;
wapp_intern i32 count = 20;
wapp_intern i32 *array = NULL;
wapp_intern Arena *buf_arena = NULL;
wapp_intern u8 buf[ARENA_BUF_SIZE] = {};
wapp_intern Arena *temp_arena = NULL;
wapp_intern u8 temp_buf[TEMP_BUF_SIZE] = {};
TestFuncResult test_arena_init_buffer(void) {
b8 result = wapp_mem_arena_init_buffer(&buf_arena, buf, ARENA_BUF_SIZE);
@@ -108,6 +113,32 @@ TestFuncResult test_arena_realloc_smaller_size(void) {
return wapp_tester_result(true);
}
TestFuncResult test_arena_temp_begin(void) {
b8 result = wapp_mem_arena_init_buffer(&temp_arena, temp_buf, TEMP_BUF_SIZE);
i32 *num1 = (i32 *)wapp_mem_arena_alloc(temp_arena, sizeof(i32));
result = result && num1 != NULL;
wapp_mem_arena_temp_begin(temp_arena);
i32 *num2 = (i32 *)wapp_mem_arena_alloc(temp_arena, sizeof(i32));
result = result && num2 != NULL;
i32 *num3 = (i32 *)wapp_mem_arena_alloc(temp_arena, sizeof(i32));
result = result && num3 == NULL;
return wapp_tester_result(result);
}
TestFuncResult test_arena_temp_end(void) {
wapp_mem_arena_temp_end(temp_arena);
i32 *num1 = (i32 *)wapp_mem_arena_alloc(temp_arena, sizeof(i32));
b8 result = num1 != NULL;
i32 *num2 = (i32 *)wapp_mem_arena_alloc(temp_arena, sizeof(i32));
result = result && num2 == NULL;
wapp_mem_arena_destroy(&temp_arena);
return wapp_tester_result(result);
}
TestFuncResult test_arena_clear(void) {
wapp_mem_arena_clear(arena);
b8 result = true;

2
tests/arena/test_arena.h
View File

@@ -12,6 +12,8 @@ TestFuncResult test_arena_alloc_fails_when_over_capacity(void);
TestFuncResult test_arena_realloc_bigger_size(void);
TestFuncResult test_arena_realloc_smaller_size(void);
TestFuncResult test_arena_clear(void);
TestFuncResult test_arena_temp_begin(void);
TestFuncResult test_arena_temp_end(void);
TestFuncResult test_arena_destroy_buffer(void);
TestFuncResult test_arena_destroy_allocated(void);