CharSource c2 = CharSource.wrap("");
    CharSource c3 = CharSource.wrap("de");

    String expected = "abcde";

    assertEquals(expected, CharSource.concat(ImmutableList.of(c1, c2, c3)).read());
    assertEquals(expected, CharSource.concat(c1, c2, c3).read());
    assertEquals(expected, CharSource.concat(ImmutableList.of(c1, c2, c3).iterator()).read());
    assertFalse(CharSource.concat(c1, c2, c3).isEmpty());

    ThrowOnRunService service = new ThrowOnRunService();

    service.startAsync();
    IllegalStateException expected =
        assertThrows(IllegalStateException.class, () -> service.awaitTerminated());
    executionThread.join();
    assertThat(expected).hasCauseThat().isEqualTo(service.failureCause());
    assertThat(expected).hasCauseThat().hasMessageThat().isEqualTo("kaboom!");
    assertTrue(service.shutDownCalled);

      List<Entry<Object, Object>> warmed = warmUp(cache);

      Set<Object> expected = new HashMap<>(cache.asMap()).keySet();
      assertThat(keys).containsExactlyElementsIn(expected);
      assertThat(keys.toArray()).asList().containsExactlyElementsIn(expected);
      assertThat(keys.toArray(new Object[0])).asList().containsExactlyElementsIn(expected);

      new EqualsTester()
          .addEqualityGroup(cache.asMap().keySet(), keys)

  protected final void expectReplacement(Entry<K, V> newEntry) {
    List<Entry<K, V>> expected = copyToList(getSampleElements());
    replaceValue(expected, newEntry);
    expectContents(expected);
  }

  private void replaceValue(List<Entry<K, V>> expected, Entry<K, V> newEntry) {
    for (ListIterator<Entry<K, V>> i = expected.listIterator(); i.hasNext(); ) {
      if (Helpers.equal(i.next().getKey(), newEntry.getKey())) {

        // Only compare the sign of the result of compare().
        int expected = Byte.compare(x, y);
        int actual = SignedBytes.compare(x, y);
        if (expected == 0) {
          assertWithMessage("%s, %s", x, y).that(actual).isEqualTo(expected);
        } else if (expected < 0) {
          assertWithMessage("%s, %s (expected: %s, actual%s)", x, y, expected, actual)
              .that(actual < 0)
              .isTrue();

        hasher.putInt(intToPut);
      }
      for (Sink sink : sinks) {
        HashCode unused = sink.hash();
      }

      byte[] expected = controlSink.hash().asBytes();
      for (Sink sink : sinks) {
        sink.assertInvariants(expected.length);
        sink.assertBytes(expected);
      }
    }
  }

  private static class Sink extends AbstractStreamingHasher {
    final int chunkSize;

		result := testCase.set.Clone()

		if !reflect.DeepEqual(result, testCase.set) {
			t.Fatalf("test %v: result: expected: %v, got: %v", i+1, testCase.set, result)
		}

		result.add(testCase.targetIDToAdd)
		if reflect.DeepEqual(result, testCase.set) {
			t.Fatalf("test %v: result: expected: not equal, got: equal", i+1)
		}
	}
}

func TestTargetIDSetUnion(t *testing.T) {
	testCases := []struct {

		expectErr := (err != nil)

		if expectErr != testCase.expectErr {
			t.Fatalf("test %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
		}

		if !testCase.expectErr {
			if !reflect.DeepEqual(data, testCase.expectedData) {
				t.Fatalf("test %v: data: expected: %v, got: %v", i+1, string(testCase.expectedData), string(data))
			}
		}
	}
}

func TestARNUnmarshalXML(t *testing.T) {

      return Integer.MIN_VALUE;
    }
    return big.intValue();
  }

  private void assertOperationEquals(int a, int b, String op, int expected, int actual) {
    if (expected != actual) {
      fail("Expected for " + a + " " + op + " " + b + " = " + expected + ", but got " + actual);
    }
  }

  // Depends on the correctness of BigIntegerMath.factorial.
  public void testFactorial() {

 */
public class WitnessEnumTest {

    @Test
    void testWitnessServiceTypes() {
        assertEquals(4, WitnessServiceType.values().length);

        // Verify all expected types are present
        assertNotNull(WitnessServiceType.CLUSTER_WITNESS);
        assertNotNull(WitnessServiceType.FILE_SERVER_WITNESS);
        assertNotNull(WitnessServiceType.SCALE_OUT_WITNESS);