diff --git a/tests/extmod/ujson_load.py b/tests/extmod/ujson_load.py
new file mode 100644
index 0000000000000000000000000000000000000000..bf484a2074bb7103d2e58667be51067ba25f3e0d
--- /dev/null
+++ b/tests/extmod/ujson_load.py
@@ -0,0 +1,11 @@
+try:
+    from uio import StringIO
+    import ujson as json
+except:
+    from io import StringIO
+    import json
+
+print(json.load(StringIO('null')))
+print(json.load(StringIO('"abc\\u0064e"')))
+print(json.load(StringIO('[false, true, 1, -2]')))
+print(json.load(StringIO('{"a":true}')))