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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2019, Linaro Limited
*/
#include <common.h>
#include <dm.h>
#include <log.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, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
/* Test the rng command */
static int dm_test_rng_cmd(struct unit_test_state *uts)
{
struct udevice *dev;
ut_assertok(uclass_get_device(UCLASS_RNG, 0, &dev));
ut_assertnonnull(dev);
ut_assertok(console_record_reset_enable());
run_command("rng", 0);
ut_assert_nextlinen("00000000:");
ut_assert_nextlinen("00000010:");
ut_assert_nextlinen("00000020:");
ut_assert_nextlinen("00000030:");
ut_assert_console_end();
run_command("rng 0 10", 0);
ut_assert_nextlinen("00000000:");
ut_assert_console_end();
run_command("rng 20", 0);
ut_assert_nextlinen("No RNG device");
ut_assert_console_end();
return 0;
}
DM_TEST(dm_test_rng_cmd, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC);
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