Update to ArduinoJson 7.0.4

lib/ArduinoJson/extras/tests/JsonArray/clear.cpp

@@ -1,10 +1,12 @@
 // ArduinoJson - https://arduinojson.org
-// Copyright © 2014-2023, Benoit BLANCHON
+// Copyright © 2014-2024, Benoit BLANCHON
 // MIT License
 
 #include <ArduinoJson.h>
 #include <catch.hpp>
 
+#include "Allocators.hpp"
+
 TEST_CASE("JsonArray::clear()") {
   SECTION("No-op on null JsonArray") {
     JsonArray array;
@@ -14,7 +16,7 @@ TEST_CASE("JsonArray::clear()") {
   }
 
   SECTION("Removes all elements") {
-    StaticJsonDocument<64> doc;
+    JsonDocument doc;
     JsonArray array = doc.to<JsonArray>();
     array.add(1);
     array.add(2);
@@ -22,4 +24,23 @@ TEST_CASE("JsonArray::clear()") {
     REQUIRE(array.size() == 0);
     REQUIRE(array.isNull() == false);
   }
+
+  SECTION("Removed elements are recycled") {
+    SpyingAllocator spy;
+    JsonDocument doc(&spy);
+    JsonArray array = doc.to<JsonArray>();
+
+    // fill the pool entirely
+    for (int i = 0; i < ARDUINOJSON_POOL_CAPACITY; i++)
+      array.add(i);
+
+    // clear and fill again
+    array.clear();
+    for (int i = 0; i < ARDUINOJSON_POOL_CAPACITY; i++)
+      array.add(i);
+
+    REQUIRE(spy.log() == AllocatorLog{
+                             Allocate(sizeofPool()),
+                         });
+  }
 }