}

        // Wait for all threads to complete
        for (Thread thread : threads) {
            thread.join();
        }

        // Then - no exceptions should have been thrown
        assertTrue(true); // If we reach here, no exceptions occurred
    }

    /**
     * Test consistency across multiple calls
     */
    @Test
    @DisplayName("Test consistency across multiple calls")

            // Wait for completion
            for (Thread t : threads) {
                t.join();
            }

            // Verify thread safety - no unexpected exceptions
            assertEquals(0, exceptionCount.get(), "Should not have unexpected exceptions");

            // At least some threads should complete successfully
            assertTrue(successfulThreads.get() > 0, "At least some threads should complete successfully");

        assertEquals(message, exception.getMessage());
        assertEquals(complexMessageCode, exception.getMessageCode());
    }

    public void test_causeChainPropagation() {
        // Setup - create a chain of exceptions
        final Exception rootCause = new IllegalArgumentException("Root cause");
        final Exception middleCause = new IllegalStateException("Middle cause", rootCause);
        final String message = "Top level SSO error";

class WebSocketWriterTest {
  private val data = Buffer()
  private val random = Random(0)

  /**
   * Check all data as verified inside of the test. We do this in an AfterEachCallback so that
   * exceptions thrown from the test do not cause this check to fail.
   */
  @RegisterExtension
  val noDataLeftBehind =
    AfterEachCallback { context: ExtensionContext ->

                // The task is presumably done, run the listeners.
                // TODO(cpovirk): Do *something* in case of Error (and maybe
                // non-CancellationException, non-ExecutionException exceptions)?
              }
              executionList.execute();
            });
      }
    }
  }

  private JdkFutureAdapters() {}

                assertTrue(true, "Sign operation after close should either throw exception or handle gracefully");
            } catch (RuntimeException e) {
                // Accept runtime exceptions that might be thrown due to closed state
                assertTrue(e.getMessage() != null, "Exception should have a message: " + e.getClass().getSimpleName());
            }

            try {

        assertTrue(exception.getStackTrace().length > 0);
    }

    public void test_multipleNestedExceptions() {
        // Test with multiple nested exceptions
        Exception innerCause = new IllegalArgumentException("Invalid image format");
        Exception middleCause = new RuntimeException("Processing failed", innerCause);

    checkPublicSuffix("a.b.c.kobe.jp", "b.c.kobe.jp")
    checkPublicSuffix("city.kobe.jp", "city.kobe.jp")
    checkPublicSuffix("www.city.kobe.jp", "city.kobe.jp")
    // TLD with a wildcard rule and exceptions.
    checkPublicSuffix("ck", null)
    checkPublicSuffix("test.ck", null)
    checkPublicSuffix("b.test.ck", "b.test.ck")
    checkPublicSuffix("a.b.test.ck", "b.test.ck")
    checkPublicSuffix("www.ck", "www.ck")

   `X-Android-Selected-Transport` to read the negotiated transport.


## Version 1.0.2

_2013-05-11_

 * Fix: Remove use of Java 6-only APIs.
 * Fix: Properly handle exceptions from `NetworkInterface` when querying MTU.
 * Fix: Ensure MTU has a reasonable default and upper-bound.


## Version 1.0.1

_2013-05-06_

    return this;
  }

  /**
   * Tests that the forwarding wrapper returned by {@code wrapperFunction} properly forwards method
   * calls with parameters passed as is, return value returned as is, and exceptions propagated as
   * is.
   */
  public <T> void testForwarding(
      Class<T> interfaceType, Function<? super T, ? extends T> wrapperFunction) {
    checkNotNull(wrapperFunction);