assertEquals(0, collection.size());
    assertFalse(collection.iterator().hasNext());
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testClear_unsupported() {
    try {
      collection.clear();
      fail(
          "clear() should throw UnsupportedOperation if a collection does "
              + "not support it and is not empty.");

    } catch (ConcurrentModificationException expected) {
      // success
    }
  }

  @MapFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testClear_unsupported() {
    try {
      getMap().clear();
      fail(
          "clear() should throw UnsupportedOperation if a map does "
              + "not support it and is not empty.");

    } catch (ConcurrentModificationException expected) {
      // success
    }
  }

  @MapFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testClear_unsupported() {
    try {
      getMap().clear();
      fail(
          "clear() should throw UnsupportedOperation if a map does "
              + "not support it and is not empty.");

    assertEquals(0, collection.size());
    assertFalse(collection.iterator().hasNext());
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testClear_unsupported() {
    try {
      collection.clear();
      fail(
          "clear() should throw UnsupportedOperation if a collection does "
              + "not support it and is not empty.");

public class MultimapClearTester<K, V> extends AbstractMultimapTester<K, V, Multimap<K, V>> {
  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(absent = SUPPORTS_REMOVE)
  public void testClearUnsupported() {
    try {
      multimap().clear();
      fail("Expected UnsupportedOperationException");
    } catch (UnsupportedOperationException expected) {
    }
  }

  private void assertCleared() {

public class MultimapClearTester<K, V> extends AbstractMultimapTester<K, V, Multimap<K, V>> {
  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require(absent = SUPPORTS_REMOVE)
  public void testClearUnsupported() {
    try {
      multimap().clear();
      fail("Expected UnsupportedOperationException");
    } catch (UnsupportedOperationException expected) {
    }
  }

  private void assertCleared() {