assertThat(spec.accessExpirationTimeUnit).isNull();
    assertCacheBuilderEquivalence(
        CacheBuilder.newBuilder().initialCapacity(10), CacheBuilder.from(spec));
  }

  public void testParse_initialCapacityRepeated() {
    assertThrows(
        IllegalArgumentException.class, () -> parse("initialCapacity=10, initialCapacity=20"));
  }

  public void testParse_maximumSize() {