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The 'rng' command dumps a number of random bytes on the console. Add a set of tests for the 'rng' command. The test function performs basic sanity testing of the command. Since a unit test is being added for the command, enable it by default in the sandbox platforms. Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> Reviewed-by: Simon Glass <sjg@chromium.org> Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2019, Linaro Limited
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*/
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#include <common.h>
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#include <dm.h>
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#include <log.h>
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#include <rng.h>
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#include <dm/test.h>
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#include <test/ut.h>
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/* Basic test of the rng uclass */
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static int dm_test_rng_read(struct unit_test_state *uts)
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{
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unsigned long rand1 = 0, rand2 = 0;
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struct udevice *dev;
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ut_assertok(uclass_get_device(UCLASS_RNG, 0, &dev));
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ut_assertnonnull(dev);
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ut_assertok(dm_rng_read(dev, &rand1, sizeof(rand1)));
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ut_assertok(dm_rng_read(dev, &rand2, sizeof(rand2)));
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ut_assert(rand1 != rand2);
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return 0;
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}
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DM_TEST(dm_test_rng_read, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test the rng command */
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static int dm_test_rng_cmd(struct unit_test_state *uts)
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{
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struct udevice *dev;
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ut_assertok(uclass_get_device(UCLASS_RNG, 0, &dev));
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ut_assertnonnull(dev);
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ut_assertok(console_record_reset_enable());
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run_command("rng", 0);
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ut_assert_nextlinen("00000000:");
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ut_assert_nextlinen("00000010:");
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ut_assert_nextlinen("00000020:");
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ut_assert_nextlinen("00000030:");
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ut_assert_console_end();
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run_command("rng 0 10", 0);
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ut_assert_nextlinen("00000000:");
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ut_assert_console_end();
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run_command("rng 20", 0);
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ut_assert_nextlinen("No RNG device");
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ut_assert_console_end();
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return 0;
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}
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DM_TEST(dm_test_rng_cmd, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC);
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