SettableFuture<String> future = SettableFuture.create();
    future.cancel(true);
    assertThrows(CancellationException.class, () -> getUnchecked(future));
  }

  public void testGetUnchecked_executionExceptionChecked() {
    UncheckedExecutionException expected =
        assertThrows(
            UncheckedExecutionException.class, () -> getUnchecked(FAILED_FUTURE_CHECKED_EXCEPTION));

    SettableFuture<String> future = SettableFuture.create();
    future.cancel(true);
    assertThrows(CancellationException.class, () -> getUnchecked(future));
  }

  public void testGetUnchecked_executionExceptionChecked() {
    UncheckedExecutionException expected =
        assertThrows(
            UncheckedExecutionException.class, () -> getUnchecked(FAILED_FUTURE_CHECKED_EXCEPTION));

        .of(-1.375);
    assertThat(DoubleMath.mean(ImmutableList.of(1.1))).isWithin(1.0e-10).of(1.1);
    assertThrows(IllegalArgumentException.class, () -> DoubleMath.mean(ImmutableList.<Double>of()));
    assertThrows(
        IllegalArgumentException.class, () -> DoubleMath.mean(ImmutableList.of(Double.NaN)));
    assertThrows(
        IllegalArgumentException.class,
        () -> DoubleMath.mean(ImmutableList.of(Double.POSITIVE_INFINITY)));

    assertThrows(
        ConcurrentModificationException.class,
        () -> {
          Iterator<E> iterator = collection.iterator();
          getList().add(0, e3());
          iterator.next();
        });
  }

  @ListFeature.Require(absent = SUPPORTS_ADD_WITH_INDEX)
  public void testAddAtIndex_unsupportedNotPresent() {

    for (int i = 0; i < length; ++i) {
      assertEquals(null, refArray.get(i));
    }
    assertThrows(IndexOutOfBoundsException.class, () -> refArray.get(length));
  }

  public void testNewReferenceArray_withNegativeLength() throws Exception {
    assertThrows(NegativeArraySizeException.class, () -> Atomics.newReferenceArray(-1));
  }

    Set<Integer> nodes = network.nodes();
    assertThrows(UnsupportedOperationException.class, () -> nodes.add(N2));
    addNode(N1);
    assertThat(network.nodes()).containsExactlyElementsIn(nodes);
  }

  @Override
  @Test
  public void edges_checkReturnedSetMutability() {
    Set<String> edges = network.edges();
    assertThrows(UnsupportedOperationException.class, () -> edges.add(E12));

 */

package com.google.common.util.concurrent;

import static com.google.common.truth.Truth.assertThat;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static org.junit.Assert.assertThrows;

import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;

/**

  public void testScale_zero() {
    assertThrows(IllegalArgumentException.class, () -> Quantiles.scale(0));
  }

  public void testScale_negative() {
    assertThrows(IllegalArgumentException.class, () -> Quantiles.scale(-4));
  }

  public void testScale_index_negative() {
    Quantiles.Scale intermediate = Quantiles.scale(10);
    assertThrows(IllegalArgumentException.class, () -> intermediate.index(-1));

    checkResult(J, ITERABLE_12, "1-2");
    checkResult(J, ITERABLE_123, "1-2-3");

    assertThrows(NullPointerException.class, () -> J.join(ITERABLE_NULL));
    assertThrows(NullPointerException.class, () -> J.join(ITERABLE_1_NULL_2));

    assertThrows(NullPointerException.class, () -> J.join(ITERABLE_NULL.iterator()));
    assertThrows(NullPointerException.class, () -> J.join(ITERABLE_1_NULL_2.iterator()));
  }

  }

  public void testSampleVariance() {
    assertThrows(IllegalStateException.class, () -> emptyAccumulator.sampleVariance());
    assertThrows(
        IllegalStateException.class, () -> emptyAccumulatorByAddAllEmptyIterable.sampleVariance());
    assertThrows(
        IllegalStateException.class, () -> emptyAccumulatorByAddAllEmptyStats.sampleVariance());