8285405: add test and check for negative argument to HashMap::newHashMap et al

Reviewed-by: chegar, naoto, lancea, smarks

src/java.base/share/classes/java/util/HashMap.java

@@ -2578,6 +2578,9 @@ public class HashMap<K,V> extends AbstractMap<K,V>
      * @since 19
      */
     public static <K, V> HashMap<K, V> newHashMap(int numMappings) {
+        if (numMappings < 0) {
+            throw new IllegalArgumentException("Negative number of mappings: " + numMappings);
+        }
         return new HashMap<>(calculateHashMapCapacity(numMappings));
     }