--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Sean Anderson <sean.anderson@seco.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <mmc.h>
+#include <part.h>
+#include <part_efi.h>
+#include <dm/test.h>
+#include <test/ut.h>
+
+static int dm_test_part(struct unit_test_state *uts)
+{
+ char str_disk_guid[UUID_STR_LEN + 1];
+ struct blk_desc *mmc_dev_desc;
+ struct disk_partition part_info;
+ struct disk_partition parts[2] = {
+ {
+ .start = 48, /* GPT data takes up the first 34 blocks or so */
+ .size = 1,
+ .name = "test1",
+ },
+ {
+ .start = 49,
+ .size = 1,
+ .name = "test2",
+ },
+ };
+
+ ut_asserteq(1, blk_get_device_by_str("mmc", "1", &mmc_dev_desc));
+ if (CONFIG_IS_ENABLED(RANDOM_UUID)) {
+ gen_rand_uuid_str(parts[0].uuid, UUID_STR_FORMAT_STD);
+ gen_rand_uuid_str(parts[1].uuid, UUID_STR_FORMAT_STD);
+ gen_rand_uuid_str(str_disk_guid, UUID_STR_FORMAT_STD);
+ }
+ ut_assertok(gpt_restore(mmc_dev_desc, str_disk_guid, parts,
+ ARRAY_SIZE(parts)));
+
+#define test(expected, part_str, whole) \
+ ut_asserteq(expected, \
+ part_get_info_by_dev_and_name_or_num("mmc", part_str, \
+ &mmc_dev_desc, \
+ &part_info, whole))
+
+ test(-ENODEV, "", true);
+ env_set("bootdevice", "0");
+ test(0, "", true);
+ env_set("bootdevice", "1");
+ test(1, "", false);
+ test(1, "-", false);
+ env_set("bootdevice", "");
+ test(-EPROTONOSUPPORT, "0", false);
+ test(0, "0", true);
+ test(0, ":0", true);
+ test(0, ".0", true);
+ test(0, ".0:0", true);
+ test(-EINVAL, "#test1", true);
+ test(1, "1", false);
+ test(1, "1", true);
+ test(-ENOENT, "1:0", false);
+ test(0, "1:0", true);
+ test(1, "1:1", false);
+ test(2, "1:2", false);
+ test(1, "1.0", false);
+ test(0, "1.0:0", true);
+ test(1, "1.0:1", false);
+ test(2, "1.0:2", false);
+ test(-EINVAL, "1#bogus", false);
+ test(1, "1#test1", false);
+ test(2, "1#test2", false);
+
+ return 0;
+}
+DM_TEST(dm_test_part, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);