Method assertContainsKeys

src/main/java/org/assertj/core/internal/Maps.java:245–257

Verifies that the actual map contain the given key. @param info contains information about the assertion. @param actual the given Map. @param keys the given keys @throws AssertionError if the actual map is null. @throws AssertionError if the actual map not contains the given key.

(AssertionInfo info, Map<K, V> actual, @SuppressWarnings("unchecked") K... keys)

   * @throws AssertionError if the actual map not contains the given key.
   */
  public <K, V> void assertContainsKeys(AssertionInfo info, Map<K, V> actual, @SuppressWarnings("unchecked") K... keys) {
	assertNotNull(info, actual);
	Set<K> notFound = new LinkedHashSet<K>();
	for (K key : keys) {
	  if (!actual.containsKey(key)) {
		notFound.add(key);
	  }
	}
	if (notFound.isEmpty()) {
	  return;
	}
	throw failures.failure(info, shouldContainKeys(actual, notFound));
  }

  /**
   * Verifies that the actual map not contains the given key.