path: root/src/systemcmds/tests/test_param.c

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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"

PARAM_DEFINE_INT32(test, 0x12345678);

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

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

	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) != 0)
		errx(1, "failed to read test parameter");
	if (val != 0x12345678)
		errx(1, "parameter value mismatch");

	val = 0xa5a5a5a5;
	if (param_set(p, &val) != 0)
		errx(1, "failed to write test parameter");
	if (param_get(p, &val) != 0)
		errx(1, "failed to re-read test parameter");
	if ((uint32_t)val != 0xa5a5a5a5)
		errx(1, "parameter value mismatch after write");

	warnx("parameter test PASS");

	return 0;
}