}

  /**
   * Releases resources held with the request or response of [exchange]. This should be called when
   * the request completes normally or when it fails due to an exception, in which case [e] should
   * be non-null.
   *
   * If the exchange was canceled or timed out, this will wrap [e] in an exception that provides
   * that additional context. Otherwise [e] is returned as-is.
   */

 *     cleanable.clean();
 *   }
 * }
 * }
 *
 * <p>Some care is needed when using {@code Cleaner} to ensure that the callback passed to {@code
 * register} does not have a reference to the object (in this case, {@code MyServer}) that may be
 * garbage-collected. That's why we are careful to make a {@code Runnable} that does not have a
 * reference to any {@code MyServer} instance.
 *
 * @author Bob Lee
 * @since 2.0
 */

            assertTrue((noPropagation & ACE.FLAGS_NO_PROPAGATE) != 0, "Should include no propagate flag");
        }
    }

    @Nested
    @DisplayName("Interface Edge Case Handling")
    class InterfaceEdgeCaseTests {

        @Test
        @DisplayName("Should handle null SID from interface methods")
        void shouldHandleNullSID() {
            ACE ace = mock(ACE.class);

            request.writeBytesWireFormat(buffer, 0);

            assertEquals(Smb2ReadRequest.SMB2_CHANNEL_NONE, SMBUtil.readInt4(buffer, 36));
        }
    }

    @Nested
    @DisplayName("Edge Case Tests")
    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle negative offset")
        void testNegativeOffset() {
            request.setOffset(-1L);

		{":9000", []string{"/export1{a...z}"}, false},
		// Duplicate disks not allowed.
		{":9000", []string{"/export1{1...32}", "/export1{1...32}"}, false},
		// Same host cannot export same disk on two ports - special case localhost.
		{":9001", []string{"http://localhost:900{1...2}/export{1...64}"}, false},
		// Valid inputs.
		{":9000", []string{"/export1"}, true},
		{":9000", []string{"/export1", "/export2", "/export3", "/export4"}, true},

   * Returns an equivalence that uses {@code ==} to compare values and {@link
   * System#identityHashCode(Object)} to compute the hash code. {@link Equivalence#equivalent}
   * returns {@code true} if {@code a == b}, including in the case that a and b are both null.
   *
   * @since 13.0
   * @since 4.0 (in Equivalences)
   */
  public static Equivalence<Object> identity() {
    return Identity.INSTANCE;
  }

        byte[] copiedFileId = new byte[16];
        System.arraycopy(buffer, 8, copiedFileId, 0, 16);
        assertArrayEquals(newFileId, copiedFileId);
    }

    @Test
    @DisplayName("Test edge case with minimum buffer size")
    void testMinimumBufferSize() {
        byte[] buffer = new byte[24]; // Exact size needed

        int written = request.writeBytesWireFormat(buffer, 0);

	if err := DB.First(&User{}, "name = ?", "transaction-2").Error; err != nil {
		t.Fatalf("Should be able to find committed record, but got %v", err)
	}

	t.Run("this is test nested transaction and prepareStmt coexist case", func(t *testing.T) {
		// enable prepare statement
		tx3 := DB.Session(&gorm.Session{PrepareStmt: true})
		if err := tx3.Transaction(func(tx4 *gorm.DB) error {
			// nested transaction

	}
}

func timeout(after time.Duration) (cancel func()) {
	c := time.After(after)
	cc := make(chan struct{})
	go func() {
		select {
		case <-cc:
			return
		case <-c:
			buf := make([]byte, 1<<20)
			stacklen := runtime.Stack(buf, true)
			fmt.Printf("=== Timeout, assuming deadlock ===\n*** goroutine dump...\n%s\n*** end\n", string(buf[:stacklen]))
			os.Exit(2)

 *     cleanable.clean();
 *   }
 * }
 * }
 *
 * <p>Some care is needed when using {@code Cleaner} to ensure that the callback passed to {@code
 * register} does not have a reference to the object (in this case, {@code MyServer}) that may be
 * garbage-collected. That's why we are careful to make a {@code Runnable} that does not have a
 * reference to any {@code MyServer} instance.
 *
 * @author Bob Lee
 * @since 2.0
 */