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 {

        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;

  @Override
  protected void expectContents(Collection<Entry<K, V>> expected) {
    super.expectContents(expected);
    List<Entry<V, K>> reversedEntries = new ArrayList<>();
    for (Entry<K, V> entry : expected) {
      reversedEntries.add(reverseEntry(entry));
    }
    assertEqualIgnoringOrder(getMap().inverse().entrySet(), reversedEntries);

    for (Entry<K, V> entry : expected) {
      assertEquals(

  public void testMarkNotSet() {
    IOException expected = assertThrows(IOException.class, () -> counter.reset());
    assertThat(expected).hasMessageThat().isEqualTo("Mark not set");
  }

  public void testMarkNotSupported() {
    counter = new CountingInputStream(new UnmarkableInputStream());

    IOException expected = assertThrows(IOException.class, () -> counter.reset());
    assertThat(expected).hasMessageThat().isEqualTo("Mark not supported");

    @Test(expected = IllegalPropertyRuntimeException.class)
    public void testGetValue_notReableWithField() throws Exception {
        final MyBean myBean = new MyBean();
        final BeanDesc beanDesc = new BeanDescImpl(MyBean.class);
        final PropertyDesc propDesc = beanDesc.getPropertyDesc("kkk");
        propDesc.getValue(myBean);
    }

    /**
     * @throws Exception
     */

        String expectedMessage = "Invalid string length, expected 5, have 8";
        assertEquals(expectedMessage, exception.getMessage(), "The exception message is not correct.");
    }

    /**
     * Tests the {@link PacUnicodeString#check(String)} method with an empty string.
     *
     * @throws PACDecodingException if the check fails, which is not expected in this test.
     */
    @Test

        } catch (ScheduledJobException e) {
            assertEquals("scheduledJob parameter is null. Cannot register a null job.", e.getMessage());
        } catch (Exception e) {
            // Expected due to missing dependencies in test environment
            assertTrue(true);
        }
    }

    @Test
    public void test_register_with_cron_null_scheduledJob() {
        try {

        assertEquals(8, bytesWritten, "writeParametersWireFormat should write 8 bytes");

        byte[] expected = expectedParameters(fid, securityInformation);
        for (int i = 0; i < expected.length; i++) {
            final int idx = i;
            assertEquals(expected[i], dst[offset + i], () -> "byte index " + idx);
        }
        // The region before offset and after the payload must remain untouched.

      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() {

    assertEquals(
        "put(present, value) should return the associated value",
        getValueForNullKey(),
        put(newEntry));

    Entry<K, V>[] expected = createArrayWithNullKey();
    expected[getNullLocation()] = newEntry;
    expectContents(expected);
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_KEYS)
  public void testPut_nullKeyUnsupported() {