} else if (method.getParameterTypes()[i] == long.class) {
            params1[i] = random.nextLong();
            params2[i] = random.nextLong();
          } else {
            fail("Unable to create a random parameter for " + method.getParameterTypes()[i]);
          }
        }
        HashFunction hashFunction1a = (HashFunction) method.invoke(clazz, params1);

    /** If true, the user requested a shutdown while the service was still starting up. */
    final boolean shutdownWhenStartupFinishes;

    /**
     * The exception that caused this service to fail. This will be {@code null} unless the service
     * has failed.
     */
    final @Nullable Throwable failure;

    StateSnapshot(State internalState) {
      this(internalState, false, null);
    }

		if err != nil && !test.ShouldFail {
			t.Fatalf("Test %d: should succeed but failed: %v", i, err)
		}
		if err == nil && test.ShouldFail {
			t.Fatalf("Test %d: should fail but succeeded", i)
		}
		if err == nil {
			if etag != test.ETag {
				t.Fatalf("Test %d: ETag mismatch: got %s - want %s", i, etag, test.ETag)
			}
		}
	}
}

    string: String,
    exceptionMessage: String?,
  ) {
    try {
      val result = string.toHttpUrl()
      if (exceptionMessage != null) {
        fail("Expected failure with $exceptionMessage but got $result")
      } else {
        fail("Expected failure but got $result")
      }
    } catch (iae: IllegalArgumentException) {
      iae.printStackTrace()
      if (exceptionMessage != null) {

   * Ensures the truth of an expression involving one or more parameters to the calling method.
   *
   * @param expression a boolean expression
   * @param errorMessageTemplate a template for the exception message should the check fail. The
   *     message is formed by replacing each {@code %s} placeholder in the template with an
   *     argument. These are matched by position - the first {@code %s} gets {@code

        TestHttpServletResponse response = new TestHttpServletResponse();
        TestFilterChain chain = new TestFilterChain();

        try {
            manager.process(request, response, chain);
            fail("Expected ServletException");
        } catch (ServletException e) {
            assertEquals("Test error", e.getMessage());
        }
    }

pkg net/http, type Transport struct, ProxyConnectHeader Header
pkg net/http, var ErrAbortHandler error
pkg net/http, var ErrServerClosed error
pkg net/http, var NoBody noBody
pkg net/mail, func ParseDate(string) (time.Time, error)
pkg net, method (*Buffers) Read([]uint8) (int, error)
pkg net, method (*Buffers) WriteTo(io.Writer) (int64, error)

      }
    }
  }

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

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

    // it's shared to avoid using too much memory in tests
    double[] sharedArray = new double[arraysDim2];
    Arrays.fill(arrays, sharedArray);

    try {
      Doubles.concat(arrays);
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void testEnsureCapacity() {
    assertThat(Doubles.ensureCapacity(EMPTY, 0, 1)).isSameInstanceAs(EMPTY);

    assertThat(Shorts.saturatedCast(Long.MIN_VALUE)).isEqualTo(LEAST);
  }

  private static void assertCastFails(long value) {
    try {
      Shorts.checkedCast(value);
      fail("Cast to short should have failed: " + value);
    } catch (IllegalArgumentException ex) {
      assertWithMessage(value + " not found in exception text: " + ex.getMessage())