SomeGameEngineV2/engine/tests/base/manual/cc_test.c

96 lines
2.4 KiB
C

#include <stdio.h>
#include "base.h"
#include "memory_arena.h"
#include <assert.h>
int main(void) {
assert(mem_arena_init(4));
printf("Initial\n");
mem_arena_print();
{
printf("Single map\n");
cc_map( int, int ) int_map;
cc_init(&int_map);
cc_reserve(&int_map, 2048);
cc_insert(&int_map, 1, 4);
cc_insert(&int_map, 2, 7);
cc_insert(&int_map, 7, 1);
cc_insert(&int_map, 4, 8);
printf("Insertion\n");
mem_arena_print();
cc_cleanup(&int_map);
printf("Clean up\n");
mem_arena_print();
}
{
cc_map(char*, int) str_map;
cc_init(&str_map);
cc_reserve(&str_map, 4);
mem_arena_print();
{
// For char*, you have to allocated memory (static or dynamic)
char* sample = mem_arena_malloc(4);
memcpy(sample, "lol", 4);
cc_insert(&str_map, sample, 15);
}
int* val = cc_get(&str_map, "lol");
printf("str key get: %p\n", val);
mem_arena_print();
// Need to retrieve char* to free, if it is dynamic
// On retrive, dereference to get point and free
// Safer to NULL check first
// but we know it exists
mem_arena_free((void*)*cc_key_for(&str_map, val));
cc_cleanup(&str_map);
mem_arena_print();
}
{
printf("Map of maps\n");
cc_map(int, cc_map(int,int)) map_of_map;
cc_init(&map_of_map);
cc_reserve(&map_of_map, 32);
for (size_t i = 0; i < 10; i += 2) {
cc_map(int, int) base_map;
cc_init(&base_map);
cc_reserve(&base_map, 2048);
cc_insert(&map_of_map, i, base_map);
}
cc_map(int, int)* s = cc_get(&map_of_map, 3);
printf("get: %p\n", s);
s = cc_get(&map_of_map, 2);
printf("get: %p\n", s);
cc_insert(s, 3, 5);
cc_insert(s, 4, 5);
cc_insert(s, 2, 5);
cc_insert(s, 1, 5);
cc_insert(s, 8, 5);
s = cc_get(&map_of_map, 2);
int* v = cc_get(s, 2);
printf("get: %i\n", *v);
mem_arena_print();
for (size_t i = 0; i < 10; i += 2) {
cc_map(int, int)* base_map = cc_get(&map_of_map, i);;
cc_cleanup(base_map);
}
cc_cleanup(&map_of_map);
printf("Clean up\n");
mem_arena_print();
}
mem_arena_deinit();
return 0;
}