test/alloc_3gb.cpp

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>

int main()
{
	uint8_t *ptr1 = (uint8_t *)malloc(1024*1024);
	assert(ptr1);
	uint8_t *ptr2 = (uint8_t *)malloc(3u*1024*1024*1024);
	assert(ptr2);
	uint8_t *ptr3 = (uint8_t *)malloc(1024*1024);
	assert(ptr3);
	free(ptr1);
	free(ptr3);
	free(ptr2);
	printf("OK\n");
	return 0;
}