[ArduinoJson] Update external library ArduinoJson.

Is needed to compile new ESP32 code.

lib/ArduinoJson/test/JsonArray/copyTo.cpp

@@ -0,0 +1,52 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+TEST_CASE("JsonArray::copyTo()") {
+  DynamicJsonBuffer jsonBuffer;
+
+  SECTION("BiggerOneDimensionIntegerArray") {
+    char json[] = "[1,2,3]";
+    JsonArray& array = jsonBuffer.parseArray(json);
+
+    int destination[4] = {0};
+    size_t result = array.copyTo(destination);
+
+    REQUIRE(3 == result);
+    REQUIRE(1 == destination[0]);
+    REQUIRE(2 == destination[1]);
+    REQUIRE(3 == destination[2]);
+    REQUIRE(0 == destination[3]);
+  }
+
+  SECTION("SmallerOneDimensionIntegerArray") {
+    char json[] = "[1,2,3]";
+    JsonArray& array = jsonBuffer.parseArray(json);
+
+    int destination[2] = {0};
+    size_t result = array.copyTo(destination);
+
+    REQUIRE(2 == result);
+    REQUIRE(1 == destination[0]);
+    REQUIRE(2 == destination[1]);
+  }
+
+  SECTION("TwoOneDimensionIntegerArray") {
+    char json[] = "[[1,2],[3],[4]]";
+
+    JsonArray& array = jsonBuffer.parseArray(json);
+
+    int destination[3][2] = {{0}};
+    array.copyTo(destination);
+
+    REQUIRE(1 == destination[0][0]);
+    REQUIRE(2 == destination[0][1]);
+    REQUIRE(3 == destination[1][0]);
+    REQUIRE(0 == destination[1][1]);
+    REQUIRE(4 == destination[2][0]);
+    REQUIRE(0 == destination[2][1]);
+  }
+}