mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-03 11:23:22 +09:00
![Sughosh Ganu](/assets/img/avatar_default.png)
Add a unit test for testing the rng uclass functionality using the sandbox rng driver. Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Simon Glass <sjg@chromium.org>
27 lines
639 B
C
27 lines
639 B
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);
|