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/**
 * @file test_param.c
 *
 * Tests related to the parameter system.
 */

#include <stdio.h>
#include "systemlib/err.h"
#include "systemlib/param/param.h"
#include "tests.h"

#define PARAM_MAGIC1 0x12345678
#define PARAM_MAGIC2 0xa5a5a5a5
PARAM_DEFINE_INT32(test, PARAM_MAGIC1);

int
test_param(int argc, char *argv[])
{
	param_t		p;

	p = param_find("test");

	if (p == PARAM_INVALID) {
		errx(1, "test parameter not found");
	}

	if (param_reset(p) != OK) {
		errx(1, "failed param reset");
	}

	param_type_t t = param_type(p);

	if (t != PARAM_TYPE_INT32) {
		errx(1, "test parameter type mismatch (got %u)", (unsigned)t);
	}

	int32_t	val;

	if (param_get(p, &val) != OK) {
		errx(1, "failed to read test parameter");
	}

	if (val != PARAM_MAGIC1) {
		errx(1, "parameter value mismatch");
	}

	val = PARAM_MAGIC2;

	if (param_set(p, &val) != OK) {
		errx(1, "failed to write test parameter");
	}

	if (param_get(p, &val) != OK) {
		errx(1, "failed to re-read test parameter");
	}

	if ((uint32_t)val != PARAM_MAGIC2) {
		errx(1, "parameter value mismatch after write");
	}

	warnx("parameter test PASS");

	return 0;
}