public void testEviction_setMaxSegmentWeight() {
    IdentityLoader<Object> loader = identityLoader();
    for (int i = 1; i < 1000; i++) {
      LoadingCache<Object, Object> cache =
          CacheBuilder.newBuilder().maximumWeight(i).weigher(constantWeigher(1)).build(loader);
      assertThat(CacheTesting.getTotalSegmentSize(cache)).isEqualTo(i);
    }
  }

  public void testEviction_maxSizeOneSegment() {

      checkArgument(
          spec.maximumWeight == null, "maximum weight was already set to %s", spec.maximumWeight);
      spec.maximumSize = value;
    }
  }

  /** Parse maximumWeight */
  private static final class MaximumWeightParser extends LongParser {
    @Override
    void parseLong(CacheBuilderSpec spec, long value) {
      checkArgument(

      checkArgument(
          spec.maximumWeight == null, "maximum weight was already set to %s", spec.maximumWeight);
      spec.maximumSize = value;
    }
  }

  /** Parse maximumWeight */
  private static final class MaximumWeightParser extends LongParser {
    @Override
    void parseLong(CacheBuilderSpec spec, long value) {
      checkArgument(

        CacheBuilder.newBuilder().maximumWeight(9000), CacheBuilder.from(spec));
  }

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

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

  public void testEviction_setMaxSegmentWeight() {
    IdentityLoader<Object> loader = identityLoader();
    for (int i = 1; i < 1000; i++) {
      LoadingCache<Object, Object> cache =
          CacheBuilder.newBuilder().maximumWeight(i).weigher(constantWeigher(1)).build(loader);
      assertThat(CacheTesting.getTotalSegmentSize(cache)).isEqualTo(i);
    }
  }

  public void testEviction_maxSizeOneSegment() {

    assertThrows(IllegalStateException.class, () -> builder.maximumWeight(16));
    assertThrows(IllegalStateException.class, () -> builder.maximumSize(16));
  }

  @J2ktIncompatible
  @GwtIncompatible // maximumWeight
  public void testMaximumWeight_withoutWeigher() {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().maximumWeight(1);

    assertThrows(IllegalStateException.class, () -> builder.maximumWeight(16));
    assertThrows(IllegalStateException.class, () -> builder.maximumSize(16));
  }

  @J2ktIncompatible
  @GwtIncompatible // maximumWeight
  public void testMaximumWeight_withoutWeigher() {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().maximumWeight(1);