assertThat(spec.accessExpirationTimeUnit).isNull();
    assertCacheBuilderEquivalence(
        CacheBuilder.newBuilder().maximumSize(9000), CacheBuilder.from(spec));
  }

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

  public void testParse_maximumWeight() {
    CacheBuilderSpec spec = parse("maximumWeight=9000");