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test: cmd: fdt: Test fdt get name

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Add 'fdt get name' test which works as follows:
- Create fuller FDT, map it to sysmem
- Get name of / node 0, 1 and /clk-test node 0
- Compare output and validate the node name
- Get name of / node 2 and /clk-test node 1
- Compare output and validate the node is not present
- Get name of / node -1 and /clk-test node -1
- Compare output and validate the node name equals node 0 name
- Check nonexistent node, verify the command errors out

The test case can be triggered using:
"
./u-boot -Dc 'ut fdt'
"
To dump the full output from commands used during test, add '-v' flag.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Marek Vasut 2023-03-02 04:08:33 +01:00 committed by Simon Glass
parent 8fa2835228
commit 890d3fcbed
1 changed files with 79 additions and 0 deletions
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79
test/cmd/fdt.c
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@ -402,6 +402,85 @@ static int fdt_test_get_value(struct unit_test_state *uts)
}
FDT_TEST(fdt_test_get_value, UT_TESTF_CONSOLE_REC);
static int fdt_test_get_name(struct unit_test_state *uts)
{
char fdt[4096];
ulong addr;
ut_assertok(make_fuller_fdt(uts, fdt, sizeof(fdt)));
addr = map_to_sysmem(fdt);
set_working_fdt_addr(addr);
/* Test getting name of node 0 in /, which is /aliases node */
ut_assertok(console_record_reset_enable());
ut_assertok(run_command("fdt get name nzero / 0", 0));
ut_asserteq_str("aliases", env_get("nzero"));
ut_assertok(ut_check_console_end(uts));
/* Test getting name of node 1 in /, which is /test-node@1234 node */
ut_assertok(console_record_reset_enable());
ut_assertok(run_command("fdt get name none / 1", 0));
ut_asserteq_str("test-node@1234", env_get("none"));
ut_assertok(ut_check_console_end(uts));
/* Test getting name of node -1 in /, which is /aliases node, same as 0 */
ut_assertok(console_record_reset_enable());
ut_assertok(run_command("fdt get name nmone / -1", 0));
ut_asserteq_str("aliases", env_get("nmone"));
ut_assertok(ut_check_console_end(uts));
/* Test getting name of node 2 in /, which does not exist */
ut_assertok(console_record_reset_enable());
ut_asserteq(1, run_command("fdt get name ntwo / 2", 1));
ut_assert_nextline("libfdt node not found");
ut_assertok(ut_check_console_end(uts));
/* Test getting name of node 0 in /test-node@1234, which is /subnode node */
ut_assertok(console_record_reset_enable());
ut_assertok(run_command("fdt get name snzero /test-node@1234 0", 0));
ut_asserteq_str("subnode", env_get("snzero"));
ut_assertok(run_command("fdt get name asnzero testnodealias 0", 0));
ut_asserteq_str("subnode", env_get("asnzero"));
ut_assertok(ut_check_console_end(uts));
/* Test getting name of node 1 in /test-node@1234, which does not exist */
ut_assertok(console_record_reset_enable());
ut_asserteq(1, run_command("fdt get name snone /test-node@1234 1", 1));
ut_assert_nextline("libfdt node not found");
ut_asserteq(1, run_command("fdt get name asnone testnodealias 1", 1));
ut_assert_nextline("libfdt node not found");
ut_assertok(ut_check_console_end(uts));
/* Test getting name of node -1 in /test-node@1234, which is /subnode node, same as 0 */
ut_assertok(console_record_reset_enable());
ut_assertok(run_command("fdt get name snmone /test-node@1234 -1", 0));
ut_asserteq_str("subnode", env_get("snmone"));
ut_assertok(run_command("fdt get name asnmone testnodealias -1", 0));
ut_asserteq_str("subnode", env_get("asnmone"));
ut_assertok(ut_check_console_end(uts));
/* Test getting name of nonexistent node */
ut_assertok(console_record_reset_enable());
ut_asserteq(1, run_command("fdt get name nonode /nonexistent 0", 1));
ut_assert_nextline("libfdt fdt_path_offset() returned FDT_ERR_NOTFOUND");
ut_assertok(ut_check_console_end(uts));
/* Test getting name of bad alias */
ut_assertok(console_record_reset_enable());
ut_asserteq(1, run_command("fdt get name vbadalias badalias 0", 1));
ut_assert_nextline("libfdt fdt_path_offset() returned FDT_ERR_NOTFOUND");
ut_assertok(ut_check_console_end(uts));
/* Test getting name of nonexistent alias */
ut_assertok(console_record_reset_enable());
ut_asserteq(1, run_command("fdt get name vnoalias noalias 0", 1));
ut_assert_nextline("libfdt fdt_path_offset() returned FDT_ERR_BADPATH");
ut_assertok(ut_check_console_end(uts));
return 0;
}
FDT_TEST(fdt_test_get_name, UT_TESTF_CONSOLE_REC);
int do_ut_fdt(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
struct unit_test *tests = UNIT_TEST_SUITE_START(fdt_test);