List<?> list = asList("a", "a", "b", "c");
    assertContainsAllOf(list, "a");
    assertContainsAllOf(list, "a", "a");
    assertContainsAllOf(list, "a", "b", "c");
    assertContainsAllOf(list, "a", "b", "c", "a");

    assertThrows(AssertionFailedError.class, () -> assertContainsAllOf(list, "d"));

    assertThrows(AssertionFailedError.class, () -> assertContainsAllOf(list, "a", "b", "c", "d"));

    List<?> list = asList("a", "a", "b", "c");
    assertContainsAllOf(list, "a");
    assertContainsAllOf(list, "a", "a");
    assertContainsAllOf(list, "a", "b", "c");
    assertContainsAllOf(list, "a", "b", "c", "a");

    assertThrows(AssertionFailedError.class, () -> assertContainsAllOf(list, "d"));

    assertThrows(AssertionFailedError.class, () -> assertContainsAllOf(list, "a", "b", "c", "d"));

package com.google.common.collect.testing.google;

import static com.google.common.base.Preconditions.checkState;
import static com.google.common.collect.Lists.newArrayList;
import static com.google.common.collect.testing.Helpers.assertContainsAllOf;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEYS;

package com.google.common.collect.testing.google;

import static com.google.common.base.Preconditions.checkState;
import static com.google.common.collect.Lists.newArrayList;
import static com.google.common.collect.testing.Helpers.assertContainsAllOf;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEYS;

          break;
        }
      }
    }

    if (!contained) {
      fail("Not true that " + actual + " contains " + expected);
    }
  }

  public static void assertContainsAllOf(Iterable<?> actual, Object... expected) {
    List<Object> expectedList = new ArrayList<>(asList(expected));

    for (Object o : actual) {
      expectedList.remove(o);
    }

          break;
        }
      }
    }

    if (!contained) {
      fail("Not true that " + actual + " contains " + expected);
    }
  }

  public static void assertContainsAllOf(Iterable<?> actual, Object... expected) {
    List<Object> expectedList = new ArrayList<>(asList(expected));

    for (Object o : actual) {
      expectedList.remove(o);
    }