Hi,
-----Original Message----- From: U-Boot u-boot-bounces@lists.denx.de On Behalf Of Sughosh Ganu Sent: vendredi 13 décembre 2019 08:14 To: u-boot@lists.denx.de Subject: [PATCH v3 7/8] test: rng: Add basic test for random number generator(rng) uclass
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
test/dm/Makefile | 1 + test/dm/rng.c | 26 ++++++++++++++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 test/dm/rng.c
diff --git a/test/dm/Makefile b/test/dm/Makefile index 0c2fd5c..f61bf65 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -65,4 +65,5 @@ obj-$(CONFIG_VIRTIO_SANDBOX) += virtio.o obj-$(CONFIG_DMA) += dma.o obj-$(CONFIG_DM_MDIO) += mdio.o obj-$(CONFIG_DM_MDIO_MUX) += mdio_mux.o +obj-$(CONFIG_DM_RNG) += rng.o endif diff --git a/test/dm/rng.c b/test/dm/rng.c new file mode 100644 index 0000000..879e80a --- /dev/null +++ b/test/dm/rng.c @@ -0,0 +1,26 @@ +// 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 val1 = 0, val2 = 0;
- struct udevice *dev;
- ut_assertok(uclass_get_device(UCLASS_RNG, 0, &dev));
- ut_assertnonnull(dev);
- dm_rng_read(dev, &val1, sizeof(val1));
- dm_rng_read(dev, &val2, sizeof(val2));
Test return:
ut_assertok(dm_rng_read(dev, &val1, sizeof(val1))); ut_assertok(dm_rng_read(dev, &val2, sizeof(val2)))
- ut_assert(val1 != val2);
You can also check the values as the sandbox driver use only the 2 next values :
ut_asserteq(0x21524110, val1); ut_asserteq(0xDEADBEEF, val2);
- return 0;
+} +DM_TEST(dm_test_rng_read, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); -- 2.7.4
Regards
Patrick