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test: Added further testing and fixed functions for edge cases

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This commit is contained in:
Alonso Adrian Martinez Hernandez
2026-04-11 11:30:04 -06:00
parent 19a6faf40f
commit 6cea0ddf25
3 changed files with 72 additions and 6 deletions
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36
src/arena.c
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@@ -38,12 +38,20 @@ ArenaPointer arena_alloc(Arena *arena, size_t size, size_t alignment) {
return (ArenaPointer) {.is_valid = false, .err = ARENA_NULL_ARG};
}
SizeResult padding = get_arena_align_padding(arena, alignment);
if (size < 1) {
return (ArenaPointer) {.is_valid = false, .err = ARENA_INVALID_SIZE};
}
if (alignment < 1) {
return (ArenaPointer) {.is_valid = false, .err = ARENA_INVALID_ALIGN};
}
SizeResult padding = arena_get_align_padding(arena, alignment);
if (!padding.is_valid) {
return (ArenaPointer) {.is_valid = false, .err = padding.err};
}
if (arena->offset + padding.val >= arena->capacity) {
if (arena->offset + padding.val + size > arena->capacity) {
return (ArenaPointer) {.is_valid = false, .err = ARENA_OUT_OF_SPACE};
}
@@ -62,7 +70,15 @@ ArenaErr arena_ensure_capacity(Arena *arena, size_t size, size_t alignment) {
return ARENA_NULL_ARG;
}
SizeResult padding = get_arena_align_padding(arena, alignment);
if (size < 1) {
return ARENA_INVALID_SIZE;
}
if (alignment < 1) {
return ARENA_INVALID_ALIGN;
}
SizeResult padding = arena_get_align_padding(arena, alignment);
if (!padding.is_valid) {
return padding.err;
}
@@ -94,6 +110,14 @@ ArenaPointer arena_push(Arena *arena, void *data, size_t size, size_t alignment)
return (ArenaPointer) {.is_valid = false, .err = ARENA_NULL_ARG};
}
if (size < 1) {
return (ArenaPointer) {.is_valid = false, .err = ARENA_INVALID_SIZE};
}
if (size < 1) {
return (ArenaPointer) {.is_valid = false, .err = ARENA_INVALID_ALIGN};
}
ArenaErr err = arena_ensure_capacity(arena, size, alignment);
if (err != ARENA_OK) {
return (ArenaPointer) {.is_valid = false, .err = err};
@@ -117,6 +141,10 @@ ArenaErr arena_realloc(Arena *arena, size_t new_capacity) {
return ARENA_NULL_ARG;
}
if (new_capacity < 1) {
return ARENA_INVALID_SIZE;
}
uint8_t *tmp = realloc(arena->buffer, new_capacity);
if (tmp == NULL) {
return ARENA_BAD_ALLOC;
@@ -129,7 +157,7 @@ ArenaErr arena_realloc(Arena *arena, size_t new_capacity) {
SizeResult get_arena_align_padding(Arena *arena, size_t alignment) {
SizeResult arena_get_align_padding(Arena *arena, size_t alignment) {
if (arena == NULL) {
return (SizeResult) {.is_valid = false, .err = ARENA_NULL_ARG};
}