Method containsEntry

src/main/java/org/assertj/core/internal/Maps.java:540–543

(Map<K, V> actual, MapEntry<? extends K, ? extends V> entry)

  }

  private <K, V> boolean containsEntry(Map<K, V> actual, MapEntry<? extends K, ? extends V> entry) {
	if (entry == null) throw new NullPointerException("Entries to look for should not be null");
	return actual.containsKey(entry.key) ? areEqual(actual.get(entry.key), entry.value) : false;
  }

  private void assertNotNull(AssertionInfo info, Map<?, ?> actual) {
	Objects.instance().assertNotNull(info, actual);