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dm: test: Add a very simple of-platadata test

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At present we have a pytest that covers of-platadata. Add a very simple
unit test that just checks that a device can be found. This shows the
ability to write these tests in C.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2020-10-25 20:38:29 -06:00
parent b25ff5cbaa
commit 217293e399
2 changed files with 22 additions and 1 deletions
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4
test/dm/Makefile
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@ -6,7 +6,9 @@ obj-$(CONFIG_UT_DM) += test-main.o
# Tests for particular subsystems - when enabling driver model for a new
# subsystem you must add sandbox tests here.
ifeq ($(CONFIG_SPL_BUILD),)
ifeq ($(CONFIG_SPL_BUILD),y)
obj-$(CONFIG_SPL_OF_PLATDATA) += of_platdata.o
else
obj-$(CONFIG_UT_DM) += bus.o
obj-$(CONFIG_UT_DM) += test-driver.o
obj-$(CONFIG_UT_DM) += test-fdt.o

19
test/dm/of_platdata.c Normal file
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@ -0,0 +1,19 @@
// SPDX-License-Identifier: GPL-2.0+
#include <common.h>
#include <dm.h>
#include <dm/test.h>
#include <test/test.h>
#include <test/ut.h>
/* Test that we can find a device using of-platdata */
static int dm_test_of_platdata_base(struct unit_test_state *uts)
{
struct udevice *dev;
ut_assertok(uclass_first_device_err(UCLASS_SERIAL, &dev));
ut_asserteq_str("sandbox_serial", dev->name);
return 0;
}
DM_TEST(dm_test_of_platdata_base, UT_TESTF_SCAN_PDATA);