assertThat(immutableValueGraph).isNotInstanceOf(MutableValueGraph.class);
    assertThat(immutableValueGraph).isEqualTo(mutableValueGraph);

    mutableValueGraph.addNode("B");
    assertThat(immutableValueGraph).isNotEqualTo(mutableValueGraph);
  }

  @Test
  public void copyOfImmutableValueGraph_optimized() {
    ValueGraph<String, Integer> graph1 =
        ImmutableValueGraph.copyOf(ValueGraphBuilder.directed().<String, Integer>build());

    URL resource = getClass().getResource("testdata/i18n.txt");
    assertThat(Resources.toString(resource, UTF_8)).isEqualTo(I18N);
    assertThat(Resources.toString(resource, US_ASCII)).isNotEqualTo(I18N);
  }

  public void testToByteArray() throws IOException {
    URL resource = getClass().getResource("testdata/i18n.txt");
    assertThat(Resources.toByteArray(resource)).isEqualTo(I18N.getBytes(UTF_8));
  }

    poller.join();
  }

  public void testToString_allUnique() throws Exception {
    // Two futures should not have the same toString, to avoid people asserting on it
    assertThat(SettableFuture.create().toString()).isNotEqualTo(SettableFuture.create().toString());
  }

  public void testToString_oom() throws Exception {
    SettableFuture<Object> future = SettableFuture.create();
    future.set(
        new Object() {

          }
        };

    Class<?> finalizerCopy = decoupledLoader.loadFinalizer();

    assertThat(finalizerCopy).isNotNull();
    assertThat(finalizerCopy).isNotEqualTo(Finalizer.class);

    assertThat(FinalizableReferenceQueue.getStartFinalizer(finalizerCopy)).isNotNull();
  }

  static class DecoupledClassLoader extends URLClassLoader {

    assertEquals(c, ImmutableSortedMultiset.of("a", "b", "a"));
    assertEquals(c, ImmutableSortedMultiset.of("a", "a", "b"));
    assertThat(c).isNotEqualTo(ImmutableSortedMultiset.of("a", "b"));
    assertThat(c).isNotEqualTo(ImmutableSortedMultiset.of("a", "b", "c", "d"));
  }

  public void testIterationOrder() {
    Collection<String> c = ImmutableSortedMultiset.of("a", "b", "a");

import assertk.assertions.isBetween
import assertk.assertions.isCloseTo
import assertk.assertions.isEqualTo
import assertk.assertions.isGreaterThan
import assertk.assertions.isGreaterThanOrEqualTo
import assertk.assertions.isNotEqualTo
import assertk.assertions.isNotNull
import assertk.assertions.isNull
import assertk.assertions.isTrue
import java.io.BufferedReader
import java.io.Closeable
import java.io.IOException

    assertThat(dim1 * dim2).isAtLeast(0);
    testConcatOverflow(dim1, dim2);
  }

  private static void testConcatOverflow(int arraysDim1, int arraysDim2) {
    assertThat((long) arraysDim1 * arraysDim2).isNotEqualTo((long) (arraysDim1 * arraysDim2));

    byte[][] arrays = new byte[arraysDim1][];
    // it's shared to avoid using too much memory in tests
    byte[] sharedArray = new byte[arraysDim2];

    Class<WillBeUnloadedException> shadowClass =
        (Class<WillBeUnloadedException>)
            Class.forName(WillBeUnloadedException.class.getName(), false, shadowLoader);
    assertThat(shadowClass).isNotEqualTo(WillBeUnloadedException.class);
    getChecked(immediateFuture("foo"), shadowClass);
    return new WeakReference<>(shadowLoader);
  }

  /*

    Class<WillBeUnloadedException> shadowClass =
        (Class<WillBeUnloadedException>)
            Class.forName(WillBeUnloadedException.class.getName(), false, shadowLoader);
    assertThat(shadowClass).isNotEqualTo(WillBeUnloadedException.class);
    getChecked(immediateFuture("foo"), shadowClass);
    return new WeakReference<>(shadowLoader);
  }

  /*

import assertk.assertions.isBetween
import assertk.assertions.isCloseTo
import assertk.assertions.isEqualTo
import assertk.assertions.isGreaterThan
import assertk.assertions.isGreaterThanOrEqualTo
import assertk.assertions.isNotEqualTo
import assertk.assertions.isNotNull
import assertk.assertions.isNull
import java.io.BufferedReader
import java.io.Closeable
import java.io.IOException
import java.io.InputStreamReader