Method assertContainsOnly

src/main/java/org/assertj/core/internal/Maps.java:401–419

Verifies that the actual map contains only the given entries and nothing else, in any order. @param info contains information about the assertion. @param actual the given Map. @param entries the entries that should be in the actual map. @throws AssertionError if the actual map is {@code nul

(AssertionInfo info, Map<K, V> actual,
	                                    @SuppressWarnings("unchecked") MapEntry<? extends K, ? extends V>... entries)

   *           none of the given entries, or the actual map contains more entries than the given ones.
   */
  public <K, V> void assertContainsOnly(AssertionInfo info, Map<K, V> actual,
	                                    @SuppressWarnings("unchecked") MapEntry<? extends K, ? extends V>... entries) {
	doCommonContainsCheck(info, actual, entries);
	if (actual.isEmpty() && entries.length == 0) {
	  return;
	}
	failIfEmpty(entries);

	Set<MapEntry<? extends K, ? extends V>> notFound = new LinkedHashSet<MapEntry<? extends K, ? extends V>>();
	Set<MapEntry<? extends K, ? extends V>> notExpected = new LinkedHashSet<MapEntry<? extends K, ? extends V>>();

	compareActualMapAndExpectedEntries(actual, entries, notExpected, notFound);

	if (notFound.isEmpty() && notExpected.isEmpty()) {
	  return;
	}

	throw failures.failure(info, shouldContainOnly(actual, entries, notFound, notExpected));
  }

  /**
   * Verifies that the actual map contains only the given entries and nothing else, <b>in order</b>.<br>