authRTESFinalAssignment/test/test_circ_buff.c

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

#include "../lib/circ_buff.h"

#define BUFFER_SIZE 8
#define BUFFER_ELEMENT_SIZE 278

void print_buff_status(cbuf_handle_t circ_buf);

int main(void) {
	// Creates and initializes a buffer
	char** buffer = (char **) malloc(BUFFER_SIZE * sizeof(char *));
	for (uint8_t buff_el = 0; buff_el < BUFFER_SIZE; ++buff_el) {
		buffer[buff_el] = (char *) malloc(BUFFER_ELEMENT_SIZE * sizeof(char));
	}

	printf("===== C Circular Buffer Check\n\n");

	cbuf_handle_t circ_buf = circ_buf_init(buffer, BUFFER_SIZE);

	printf("Buffer initialized.\n");
	print_buff_status(circ_buf);

	printf("\n===== Adding %d values\n", BUFFER_SIZE - 1);
	for(uint8_t i = 0; i < (BUFFER_SIZE - 1); i++) {
		char* temp = (char *) malloc(BUFFER_ELEMENT_SIZE * sizeof(char));
		snprintf(temp, BUFFER_ELEMENT_SIZE, "string_%d", i);

		circ_buf_put(circ_buf, temp);
		printf("Added %u, Size now: %zu\n", i, circ_buf_size(circ_buf));
	}

	print_buff_status(circ_buf);

	printf("\n===== Adding %d values\n", BUFFER_SIZE);
	for(uint8_t i = 0; i < BUFFER_SIZE; i++) {
		char* temp = (char *) malloc(BUFFER_ELEMENT_SIZE * sizeof(char));
		snprintf(temp, BUFFER_ELEMENT_SIZE, "string_%d", BUFFER_SIZE - 1 + i);

		circ_buf_put(circ_buf, temp);
		printf("Added %u, Size now: %zu\n", i, circ_buf_size(circ_buf));
	}

	print_buff_status(circ_buf);

	printf("\n===== Reading back values:\n");
	while(!circ_buf_empty(circ_buf)) {
		char* temp = (char *) malloc(BUFFER_ELEMENT_SIZE * sizeof(char));
		circ_buf_get(circ_buf, temp);
		printf("%s ", temp);
	}
	printf("\n");

	print_buff_status(circ_buf);

	printf("\n===== Test done, cleaning up\n");

	free(buffer);
	circ_buf_free(circ_buf);

	return 0;
}

void print_buff_status(cbuf_handle_t circ_buf) {
	printf("Full: %d, empty: %d, size: %zu\n",
		circ_buf_full(circ_buf),
		circ_buf_empty(circ_buf),
		circ_buf_size(circ_buf));
}