initial commit

libraries/ArduinoJson/extras/tests/JsonDocument/issue1120.cpp

@@ -0,0 +1,52 @@
+#include <ArduinoJson.h>
+
+#include <catch.hpp>
+
+#include "Literals.hpp"
+
+TEST_CASE("Issue #1120") {
+  JsonDocument doc;
+  constexpr char str[] =
+      "{\"contents\":[{\"module\":\"Packet\"},{\"module\":\"Analog\"}]}";
+  deserializeJson(doc, str);
+
+  SECTION("MemberProxy<std::string>::isNull()") {
+    SECTION("returns false") {
+      CHECK(doc["contents"_s].isNull() == false);
+    }
+
+    SECTION("returns true") {
+      CHECK(doc["zontents"_s].isNull() == true);
+    }
+  }
+
+  SECTION("ElementProxy<MemberProxy<const char*> >::isNull()") {
+    SECTION("returns false") {  // Issue #1120
+      CHECK(doc["contents"][1].isNull() == false);
+    }
+
+    SECTION("returns true") {
+      CHECK(doc["contents"][2].isNull() == true);
+    }
+  }
+
+  SECTION("MemberProxy<ElementProxy<MemberProxy>, const char*>::isNull()") {
+    SECTION("returns false") {
+      CHECK(doc["contents"][1]["module"].isNull() == false);
+    }
+
+    SECTION("returns true") {
+      CHECK(doc["contents"][1]["zodule"].isNull() == true);
+    }
+  }
+
+  SECTION("MemberProxy<ElementProxy<MemberProxy>, std::string>::isNull()") {
+    SECTION("returns false") {
+      CHECK(doc["contents"][1]["module"_s].isNull() == false);
+    }
+
+    SECTION("returns true") {
+      CHECK(doc["contents"][1]["zodule"_s].isNull() == true);
+    }
+  }
+}