1 files changed, 20 insertions, 0 deletions
diff --git a/mysql-test/main/func_json.test b/mysql-test/main/func_json.test
index b244935ce48..088b4b445fc 100644
--- a/mysql-test/main/func_json.test
+++ b/mysql-test/main/func_json.test
@@ -447,6 +447,26 @@ SELECT JSON_SET('{}', '$.a', _utf8 0xC3B6, '$.b', _utf8 0xC3B6);
 SELECT JSON_SET('{}', '$.a', _utf8 X'C3B6', '$.x', 1, '$.b', _utf8 X'C3B6');
 
 --echo #
+--echo # MDEV-17121 JSON_ARRAY_APPEND
+--echo #
+
+select json_array_append('[             ]', '$', 'aue');
+
+--echo #
+--echo # MDEV-17018 JSON_SEARCH and User-Defined Variables.
+--echo #
+
+SET @`json` := '["A", [{"B": "1"}], {"C": "AB"}, {"D": "BC"}]', @`value` := 'AB';
+SELECT JSON_SEARCH(@`json`, 'one', @`value`);
+SET @`json` := NULL, @`value` := NULL;
+
+--echo #
+--echo # MDEV-17001 JSON_MERGE returns nullwhen merging empty array.
+--echo #
+
+SELECT JSON_MERGE('[1]', '[]');
+
+--echo #
 --echo # End of 10.2 tests
 --echo #