throw new RuntimeException(e);
            }
        }, "Multiple close operations should not cause issues");

        // Verify iterator still works after multiple closes
        assertFalse(emptyIterator.hasNext(), "Iterator should still work after multiple closes");
        assertNull(emptyIterator.next(), "Iterator should still return null after multiple closes");
    }

    @Test

    }

    public void test_complexScenario() {
        // Test complex scenario with multiple operations
        ExtractData data = new ExtractData();

        // Set content
        String content = "This is a long extracted content from a PDF document. " + "It contains multiple paragraphs and rich text.";
        data.setContent(content);

        // Add single values

    @Nested
    @DisplayName("Edge Cases and Error Handling")
    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle multiple operations correctly")
        void testMultipleOperations() throws NdrException {
            // Given: NdrShort that will be used multiple times
            NdrShort ndrShort = new NdrShort(50);
            NdrBuffer buffer1 = mock(NdrBuffer.class);

        // Then
        assertNotNull(transportPool, "Transport pool should not be null");
        assertSame(transportPool, context.getTransportPool(), "Should return same instance on multiple calls");
    }

    @Test
    @DisplayName("getConfig should return the provided configuration")
    void testGetConfig() {
        // When
        Configuration config = context.getConfig();

        assertEquals("mybucket", getField(conn, "bucketName"));
        assertEquals("", getField(conn, "objectName"));
    }

    /**
     * Test URL with multiple consecutive slashes.
     * Note: Java's URL class does NOT normalize multiple slashes in the path.
     */
    public void test_urlParsing_multipleSlashes() throws Exception {
        URL url = new URL("gcs://mybucket//path//to//object.txt");

   * called and that value is both inserted and returned.
   *
   * If multiple calls to this function are made concurrently with the same [type], multiple values
   * may be computed. But only one value will be inserted, and that inserted value will be returned
   * to all callers.
   *
   * If computing multiple values is problematic, use an appropriate concurrency mechanism in your

        doNothing().when(smbTree).close();

        smbTree.close();

        verify(smbTree).close();
    }

    /**
     * Test for close() method called multiple times.
     * Verifies that close can be called multiple times safely.
     */
    @Test
    void testClose_multipleTimes() {
        doNothing().when(smbTree).close();

        smbTree.close();
        smbTree.close();

    }

    @Nested
    @DisplayName("Performance and concurrency")
    class PerformanceTests {

        @Test
        @DisplayName("Should handle multiple lookups efficiently")
        void testMultipleLookups() throws IOException {
            // Test that multiple lookups work correctly
            for (int i = 0; i < 100; i++) {
                assertEquals("application/pdf", mimeMap.getMimeType("pdf"));

    void testGetRequest() {
        // Verify getRequest returns the exact same instance
        SmbNegotiationRequest request = negotiation.getRequest();
        assertSame(mockRequest, request);

        // Verify multiple calls return the same instance
        assertSame(request, negotiation.getRequest());
    }

    @Test
    @DisplayName("getResponse should return the same response instance")
    void testGetResponse() {

      Integer uid = uids.get(obj);
      if (uid == null) {
        // One or more integer values could be skipped in the event of a race
        // to generate a UID for the same object from multiple threads, but
        // that shouldn't be a problem.
        uid = counter.getAndIncrement();
        Integer alreadySet = uids.putIfAbsent(obj, uid);
        if (alreadySet != null) {
          uid = alreadySet;