public class MultimapGetTester<K, V> extends AbstractMultimapTester<K, V, Multimap<K, V>> {
  public void testGetEmpty() {
    Collection<V> result = multimap().get(k3());
    assertEmpty(result);
    assertEquals(0, result.size());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testGetNonEmpty() {
    Collection<V> result = multimap().get(k0());
    assertFalse(result.isEmpty());

        String result1 = aggregateLogJob.execute();
        assertEquals("", result1);

        // Second call (even) should fail
        String result2 = aggregateLogJob.execute();
        assertTrue(result2.contains("Even call error"));

        // Third call (odd) should succeed
        String result3 = aggregateLogJob.execute();
        assertEquals("", result3);
    }

    @Test

        ServletRuntimeException runtimeException = new ServletRuntimeException(servletException);

        // Verify the exception chain
        assertNotNull(runtimeException);
        assertEquals(servletException, runtimeException.getCause());
        assertEquals(rootCause, servletException.getCause());

        // Verify messages in the chain
        assertTrue(runtimeException.getMessage().contains(ServletException.class.getName()));

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;

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

    e.execute(intCounter);
    // A task should have been scheduled
    assertTrue(fakePool.hasNext());
    e.execute(intCounter);
    // Our executor hasn't run any tasks yet.
    assertEquals(0, totalCalls.get());
    fakePool.runAll();
    assertEquals(2, totalCalls.get());
    // Queue is empty so no runner should be scheduled.
    assertFalse(fakePool.hasNext());

    // Check that execute can be safely repeated

        when(nego.getTransactionBufferSize()).thenReturn(3333);
        when(nego.isSigningNegotiated()).thenReturn(true);

        assertEquals(1111, handle.getSendBufferSize());
        assertEquals(2222, handle.getReceiveBufferSize());
        assertEquals(3333, handle.getMaximumBufferSize());
        assertTrue(handle.areSignaturesActive());

        verify(session, times(4)).close();

      expectUnchanged();
      // Be extra thorough in case internal state was corrupted by the expected null.
      assertEquals(new ArrayList<>(), new ArrayList<>(values));
      assertEquals(size, multimap().size());
    } else {
      assertEquals(newArrayList(v3()), new ArrayList<>(values));
      assertEquals(size + 1, multimap().size());
    }
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES)

        SmbResource r1 = it.next();
        assertNotNull(r1);
        assertEquals("foo/", r1.getName(), "First child name should match with trailing slash");

        assertTrue(it.hasNext(), "Expected second element available");
        SmbResource r2 = it.next();
        assertNotNull(r2);
        assertEquals("bar/", r2.getName(), "Second child name should match with trailing slash");

            }
          }
        };

    assertTrue(iter.hasNext());
    assertEquals(0, (int) iter.next());

    // verify idempotence of hasNext()
    assertTrue(iter.hasNext());
    assertTrue(iter.hasNext());
    assertTrue(iter.hasNext());
    assertEquals(1, (int) iter.next());

    assertFalse(iter.hasNext());

    // Make sure computeNext() doesn't get invoked again

    }
    for (int i = 0; i < N; i++) {
      assertEquals(2 * i + 1, (int) bimap.get(2 * i));
    }
    for (int i = 0; i < N; i++) {
      assertEquals(2 * i, (int) inverse.get(2 * i + 1));
    }
    for (int i = 0; i < N; i++) {
      int oldValue = bimap.get(2 * i);
      assertEquals(2 * i + 1, (int) bimap.put(2 * i, oldValue - 2));
    }
    for (int i = 0; i < N; i++) {