Files
wizapp-stdlib/tests/allocator/test_allocator.c
T
2026-06-26 17:17:22 +01:00

68 lines
2.4 KiB
C

#include "test_allocator.h"
#include "wapp.h"
#include <stdlib.h>
// 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)
wp_intern u8 temp_buf[TEMP_BUF_SIZE] = {0};
wp_intern WpAllocator temp_allocator = {0};
WpTestFuncResult test_arena_allocator(void) {
WpAllocator allocator = wpMemArenaAllocatorInit(4096);
b8 result = allocator.obj != NULL && allocator.alloc != NULL &&
allocator.alloc_aligned != NULL &&
allocator.realloc != NULL && allocator.realloc_aligned != NULL &&
allocator.free == NULL;
void *ptr = wpMemAllocatorAlloc(&allocator, 20);
result = result && (ptr != NULL);
wpMemArenaAllocatorDestroy(&allocator);
return wpTesterResult(result);
}
WpTestFuncResult test_arena_allocator_with_buffer(void) {
u8 buffer[KiB(4)] = {0};
WpAllocator allocator = wpMemArenaAllocatorInitWithBuffer(buffer, KiB(4));
b8 result = allocator.obj != NULL && allocator.alloc != NULL &&
allocator.alloc_aligned != NULL &&
allocator.realloc != NULL && allocator.realloc_aligned != NULL &&
allocator.free == NULL;
void *ptr = wpMemAllocatorAlloc(&allocator, 20);
result = result && (ptr != NULL);
wpMemArenaAllocatorDestroy(&allocator);
return wpTesterResult(result);
}
WpTestFuncResult test_arena_allocator_temp_begin(void) {
temp_allocator = wpMemArenaAllocatorInitWithBuffer(temp_buf, TEMP_BUF_SIZE);
i32 *num1 = (i32 *)wpMemAllocatorAlloc(&temp_allocator, sizeof(i32));
b8 result = num1 != NULL;
wpMemArenaAllocatorTempBegin(&temp_allocator);
i32 *num2 = (i32 *)wpMemAllocatorAlloc(&temp_allocator, sizeof(i32));
result = result && num2 != NULL;
i32 *num3 = (i32 *)wpMemAllocatorAlloc(&temp_allocator, sizeof(i32));
result = result && num3 == NULL;
return wpTesterResult(result);
}
WpTestFuncResult test_arena_allocator_temp_end(void) {
wpMemArenaAllocatorTempEnd(&temp_allocator);
i32 *num1 = (i32 *)wpMemAllocatorAlloc(&temp_allocator, sizeof(i32));
b8 result = num1 != NULL;
i32 *num2 = (i32 *)wpMemAllocatorAlloc(&temp_allocator, sizeof(i32));
result = result && num2 == NULL;
wpMemArenaAllocatorDestroy(&temp_allocator);
return wpTesterResult(result);
}