of: unittest: Add options string testcase variants

Add testcase variants with '/' in the options string to test for
scan beyond end path name terminated by ':'.
Signed-off-by: NPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: NRob Herring <robh@kernel.org>

drivers/of/unittest.c

@@ -92,6 +92,11 @@ static void __init of_selftest_find_node_by_name(void)
 		 "option path test failed\n");
 	of_node_put(np);
 
+	np = of_find_node_opts_by_path("/testcase-data:test/option", &options);
+	selftest(np && !strcmp("test/option", options),
+		 "option path test, subcase #1 failed\n");
+	of_node_put(np);
+
 	np = of_find_node_opts_by_path("/testcase-data:testoption", NULL);
 	selftest(np, "NULL option path test failed\n");
 	of_node_put(np);
@@ -102,6 +107,12 @@ static void __init of_selftest_find_node_by_name(void)
 		 "option alias path test failed\n");
 	of_node_put(np);
 
+	np = of_find_node_opts_by_path("testcase-alias:test/alias/option",
+				       &options);
+	selftest(np && !strcmp("test/alias/option", options),
+		 "option alias path test, subcase #1 failed\n");
+	of_node_put(np);
+
 	np = of_find_node_opts_by_path("testcase-alias:testaliasoption", NULL);
 	selftest(np, "NULL option alias path test failed\n");
 	of_node_put(np);