GenericAssertions.java 文件源码

public static void assertMap(Map<String, ?> expected, Map<String, ?> actual, String message) {
  if (null == expected && null == actual) {
    return;
  }

  String prefix = Strings.isNullOrEmpty(message) ? "" : message + ": ";
  assertNotNull(expected, prefix + "expected cannot be null");
  assertNotNull(actual, prefix + "actual cannot be null");
  MapDifference<String, ?> mapDifference = Maps.difference(expected, actual);
  assertTrue(mapDifference.areEqual(), new MapDifferenceSupplier(mapDifference, prefix));
}