[ArduinoJson] Update external library ArduinoJson.

Is needed to compile new ESP32 code.

lib/ArduinoJson/test/JsonArray/remove.cpp

@@ -0,0 +1,68 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+TEST_CASE("JsonArray::remove()") {
+  DynamicJsonBuffer _jsonBuffer;
+  JsonArray& _array = _jsonBuffer.createArray();
+  _array.add(1);
+  _array.add(2);
+  _array.add(3);
+
+  SECTION("RemoveFirstByIndex") {
+    _array.remove(0);
+
+    REQUIRE(2 == _array.size());
+    REQUIRE(_array[0] == 2);
+    REQUIRE(_array[1] == 3);
+  }
+
+  SECTION("RemoveMiddleByIndex") {
+    _array.remove(1);
+
+    REQUIRE(2 == _array.size());
+    REQUIRE(_array[0] == 1);
+    REQUIRE(_array[1] == 3);
+  }
+
+  SECTION("RemoveLastByIndex") {
+    _array.remove(2);
+
+    REQUIRE(2 == _array.size());
+    REQUIRE(_array[0] == 1);
+    REQUIRE(_array[1] == 2);
+  }
+
+  SECTION("RemoveFirstByIterator") {
+    JsonArray::iterator it = _array.begin();
+    _array.remove(it);
+
+    REQUIRE(2 == _array.size());
+    REQUIRE(_array[0] == 2);
+    REQUIRE(_array[1] == 3);
+  }
+
+  SECTION("RemoveMiddleByIterator") {
+    JsonArray::iterator it = _array.begin();
+    ++it;
+    _array.remove(it);
+
+    REQUIRE(2 == _array.size());
+    REQUIRE(_array[0] == 1);
+    REQUIRE(_array[1] == 3);
+  }
+
+  SECTION("RemoveLastByIterator") {
+    JsonArray::iterator it = _array.begin();
+    ++it;
+    ++it;
+    _array.remove(it);
+
+    REQUIRE(2 == _array.size());
+    REQUIRE(_array[0] == 1);
+    REQUIRE(_array[1] == 2);
+  }
+}