On Wed, 20 Jul 2022 at 15:30, Sughosh Ganu sughosh.ganu@linaro.org wrote:
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
Changes since V6: None
cmd/Kconfig | 1 + test/dm/rng.c | 29 +++++++++++++++++++++++++++++ 2 files changed, 30 insertions(+)
diff --git a/cmd/Kconfig b/cmd/Kconfig index d5f842136c..76878ce307 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1961,6 +1961,7 @@ config CMD_GETTIME config CMD_RNG bool "rng command" depends on DM_RNG
default y if SANDBOX select HEXDUMP help Print bytes from the hardware random number generator.diff --git a/test/dm/rng.c b/test/dm/rng.c index 5b34c93ed6..6d1f68848d 100644 --- a/test/dm/rng.c +++ b/test/dm/rng.c @@ -25,3 +25,32 @@ static int dm_test_rng_read(struct unit_test_state *uts) 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);
2.34.1
Acked-by: Ilias Apalodimas ilias.apalodimas@linaro.org