Return NotSupported for \u

bblanchon · May 15, 2018 · de8545b · de8545b
1 parent eec91aa
commit de8545b
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/src/ArduinoJson/Json/Deserialization/JsonDeserializer.hpp b/src/ArduinoJson/Json/Deserialization/JsonDeserializer.hpp
@@ -185,7 +185,8 @@ class JsonDeserializer {
 
         if (c == '\\') {
           c = current();
-          if (c == 0) return DeserializationError::IncompleteInput;
+          if (c == '\0') return DeserializationError::IncompleteInput;
+          if (c == 'u') return DeserializationError::NotSupported;
           // replace char
           c = Encoding::unescapeChar(c);
           if (c == '\0') return DeserializationError::InvalidInput;

diff --git a/test/JsonDeserializer/deserializeJsonValue.cpp b/test/JsonDeserializer/deserializeJsonValue.cpp
@@ -65,6 +65,12 @@ TEST_CASE("deserializeJson(DynamicJsonDocument&)") {
     REQUIRE(doc.as<std::string>() == "1\"2\\3/4\b5\f6\n7\r8\t9");
   }
 
+  SECTION("UTF-16 surrogate") {
+    DeserializationError err = deserializeJson(doc, "\"\\uD834\\uDD1E\"");
+
+    REQUIRE(err == DeserializationError::NotSupported);
+  }
+
   SECTION("True") {
     DeserializationError err = deserializeJson(doc, "true");