[J-u-boot.git] / test / dm / rng.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (c) 2019, Linaro Limited
 */

#include <common.h>
#include <dm.h>
#include <rng.h>
#include <dm/test.h>
#include <test/ut.h>

/* Basic test of the rng uclass */
static int dm_test_rng_read(struct unit_test_state *uts)
{
	unsigned long rand1 = 0, rand2 = 0;
	struct udevice *dev;

	ut_assertok(uclass_get_device(UCLASS_RNG, 0, &dev));
	ut_assertnonnull(dev);
	ut_assertok(dm_rng_read(dev, &rand1, sizeof(rand1)));
	ut_assertok(dm_rng_read(dev, &rand2, sizeof(rand2)));
	ut_assert(rand1 != rand2);

	return 0;
}
DM_TEST(dm_test_rng_read, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
Commit	Line	Data
4ee08eb1 SG	1	// SPDX-License-Identifier: GPL-2.0-or-later
	2	/*
	3	* Copyright (c) 2019, Linaro Limited
	4	*/
	5
	6	#include <common.h>
	7	#include <dm.h>
	8	#include <rng.h>
	9	#include <dm/test.h>
	10	#include <test/ut.h>
	11
	12	/* Basic test of the rng uclass */
	13	static int dm_test_rng_read(struct unit_test_state *uts)
	14	{
	15	unsigned long rand1 = 0, rand2 = 0;
	16	struct udevice *dev;
	17
	18	ut_assertok(uclass_get_device(UCLASS_RNG, 0, &dev));
	19	ut_assertnonnull(dev);
	20	ut_assertok(dm_rng_read(dev, &rand1, sizeof(rand1)));
	21	ut_assertok(dm_rng_read(dev, &rand2, sizeof(rand2)));
	22	ut_assert(rand1 != rand2);
	23
	24	return 0;
	25	}
	26	DM_TEST(dm_test_rng_read, DM_TESTF_SCAN_PDATA \| DM_TESTF_SCAN_FDT);