Method failIfEmpty

src/main/java/org/assertj/core/internal/Maps.java:518–520

(K[] keys)

  }

  private static <K> void failIfEmpty(K[] keys) {
	if (keys.length == 0) throw new IllegalArgumentException("The array of keys to look for should not be empty");
  }

  private static <K, V> void failIfEmpty(MapEntry<? extends K, ? extends V>[] entries) {
	if (entries.length == 0)