AbstractBiMapTester.java 文件源码

@Override
protected void expectMissing(Entry<K, V>... entries) {
  super.expectMissing(entries);
  for (Entry<K, V> entry : entries) {
    Entry<V, K> reversed = reverseEntry(entry);
    BiMap<V, K> inv = getMap().inverse();
    assertFalse(
        "Inverse should not contain entry " + reversed, inv.entrySet().contains(reversed));
    assertFalse(
        "Inverse should not contain key " + reversed.getKey(),
        inv.containsKey(reversed.getKey()));
    assertFalse(
        "Inverse should not contain value " + reversed.getValue(),
        inv.containsValue(reversed.getValue()));
    /*
     * TODO(cpovirk): This is a bit stronger than super.expectMissing(), which permits a <key,
     * someOtherValue> pair.
     */
    assertNull(
        "Inverse should not return a mapping for key " + reversed.getKey(),
        inv.get(reversed.getKey()));
  }
}