yanglint TEST for --extended-leafref option
diff --git a/tools/lint/tests/non-interactive/extended_leafref.test b/tools/lint/tests/non-interactive/extended_leafref.test
new file mode 100644
index 0000000..5e1a90e
--- /dev/null
+++ b/tools/lint/tests/non-interactive/extended_leafref.test
@@ -0,0 +1,13 @@
+source [expr {[info exists ::env(TESTS_DIR)] ? "$env(TESTS_DIR)/non-interactive/ly.tcl" : "ly.tcl"}]
+
+set mdir $::env(YANG_MODULES_DIR)
+
+test extended_leafref_enabled {Valid module with --extended-leafref option} {
+ ly_cmd "-X $mdir/modextleafref.yang"
+} {}
+
+test extended_leafref_disabled {Expected error if --extended-leafref is not set} {
+ ly_cmd_err "$mdir/modextleafref.yang" "Unexpected XPath token \"FunctionName\""
+} {}
+
+cleanupTests