Moved ancillary files to extras/ (fixes #1011)

extras/tests/JsonVariant/undefined.cpp

@@ -0,0 +1,70 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2019
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+TEST_CASE("JsonVariant undefined") {
+  JsonVariant variant;
+
+  SECTION("as<T>()") {
+    SECTION("long") {
+      REQUIRE(variant.as<long>() == 0);
+    }
+
+    SECTION("unsigned") {
+      REQUIRE(variant.as<unsigned>() == 0);
+    }
+
+    SECTION("char*") {
+      REQUIRE(variant.as<char*>() == 0);
+    }
+
+    SECTION("double") {
+      REQUIRE(variant.as<double>() == 0);
+    }
+
+    SECTION("bool") {
+      REQUIRE(variant.as<bool>() == false);
+    }
+
+    SECTION("JsonArray") {
+      REQUIRE(variant.as<JsonArray>().isNull());
+    }
+
+    SECTION("JsonObject") {
+      REQUIRE(variant.as<JsonObject>().isNull());
+    }
+  }
+
+  SECTION("is<T>()") {
+    SECTION("long") {
+      REQUIRE(variant.is<long>() == false);
+    }
+
+    SECTION("unsigned") {
+      REQUIRE(variant.is<unsigned>() == false);
+    }
+
+    SECTION("char*") {
+      REQUIRE(variant.is<char*>() == false);
+    }
+
+    SECTION("double") {
+      REQUIRE(variant.is<double>() == false);
+    }
+
+    SECTION("bool") {
+      REQUIRE(variant.is<bool>() == false);
+    }
+
+    SECTION("JsonArray") {
+      REQUIRE(variant.is<JsonArray>() == false);
+    }
+
+    SECTION("JsonObject") {
+      REQUIRE(variant.is<JsonObject>() == false);
+    }
+  }
+}