fail("Expected IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }

    try {
      multiset.add(entry.getElement());
      fail("Expected IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }

    try {
      multiset.addAll(singletonList(entry.getElement()));
      fail("Expected IllegalArgumentException");

    try {
      unmod.add(4);
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }
    try {
      unmod.remove(4);
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }
    try {
      unmod.addAll(singleton(4));
      fail("UnsupportedOperationException expected");

  @Subscribe
  public void hereHaveAString(@Nullable String string) {
    events.add(string);
  }

  public void methodWithoutAnnotation(@Nullable String string) {
    Assert.fail("Event bus must not call methods without @Subscribe!");
  }

  public List<String> getEvents() {
    return events;
  }

    System.out.printf("%.2f Executing call.%n", (System.nanoTime() - startNanos) / 1e9f)
    try {
      call.execute().use { response ->
        System.out.printf(
          "%.2f Call was expected to fail, but completed: %s%n",
          (System.nanoTime() - startNanos) / 1e9f,
          response,
        )
      }
    } catch (e: IOException) {
      System.out.printf(
        "%.2f Call failed as expected: %s%n",

    writing it has test supersource but no prod supersource.

    GWT happens to use the prod .gwt.xml, so it looks for no supersource for
    tests, either. This causes it to fail to find AtomicLongMapTest.

    Our workaround is to tell GWT that util.concurrent and all other packages
    have prod supersource, even if they have none. GWT is happy to ignore us
    when we specify a nonexistent path.

class UrlSourceTest {

    @Test
    void testUrlSource() {
        NullPointerException e = assertThrows(
                NullPointerException.class, () -> new UrlSource(null), "Should fail, since you must specify a url");
        assertEquals("url cannot be null", e.getMessage());
    }

    @Test
    void testGetInputStream() throws Exception {

import org.junit.jupiter.api.Assertions.assertNotNull
import org.junit.jupiter.api.Assertions.assertNull
import org.junit.jupiter.api.Assertions.assertTrue
import org.junit.jupiter.api.Assertions.fail
import org.junit.jupiter.api.Assumptions.assumeTrue
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Disabled
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test

      throws IOException {
    try {
      Closeables.close(closeable, swallowException);
      if (expectThrown) {
        fail("Didn't throw exception.");
      }
    } catch (IOException e) {
      if (!expectThrown) {
        fail("Threw exception");
      }
    }
    verify(closeable).close();
  }

      assertTrue(observed.contains(striped.get(new Object())));
    }

    try {
      striped.getAt(-1);
      fail();
    } catch (RuntimeException expected) {
    }

    try {
      striped.getAt(striped.size());
      fail();
    } catch (RuntimeException expected) {
    }
  }

  public void testMaxSize() {
    for (Striped<?> striped :
        ImmutableList.of(

   * executor promptly, or else the returned {@code ListenableFuture} may fail to work. The task's
   * execution consists of blocking until the input future is {@linkplain Future#isDone() done}, so
   * each call to this method may claim and hold a thread for an arbitrary length of time. Use of
   * bounded executors or other executors that may fail to execute a task promptly may result in
   * deadlocks.
   *