void testGetParent() {
        SmbResourceLocatorImpl a = locator("smb://server/share/dir/file.txt");
        assertEquals("smb://server/share/dir/", a.getParent());

        SmbResourceLocatorImpl b = locator("smb://server/share/");
        assertEquals("smb://server/", b.getParent());
    }

    @Test
    @DisplayName("Canonical and UNC paths are computed and stable")
    void testCanonicalAndUNCPaths() {

            if (dirManager != null && smbFile.getContext().getConfig().isUseDirectoryLeasing()) {
                // Check parent directory cache first
                String parentPath = smbFile.getParent();
                if (parentPath != null) {
                    var parentCache = dirManager.getCacheEntry(parentPath);
                    if (parentCache != null && parentCache.isComplete()) {

        return this.wildcard;
    }

    /**
     * Gets the parent resource being enumerated.
     *
     * @return the parent
     */
    public final SmbResource getParent() {
        return this.parent;
    }

    private final boolean filter(final FileEntry fe) {
        final String name = fe.getName();
        if (name.length() < 3) {

            return this.url.getHost() + '/';
        }
        return "smb://";
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbResourceLocator#getParent()
     */
    @Override
    public String getParent() {
        String str = this.url.getAuthority();

        if (str != null && !str.isEmpty()) {
            final StringBuilder sb = new StringBuilder("smb://");

    return files;
}

@Override
public boolean exists() throws IOException {
    if (isDirectory() && directoryLeaseManager != null) {
        // Check parent directory cache first
        String parentPath = getParent();
        DirectoryCacheEntry parentCache = directoryLeaseManager.getCacheEntry(parentPath);
        
        if (parentCache != null && parentCache.isComplete()) {

     *         <code>smb://</code> if the resource refers to the root of the URL
     *         hierarchy which incidentally is also <code>smb://</code>.
     */
    String getParent();

    /**
     * Returns the full uncanonicalized URL of this SMB resource. An
     * <code>SmbFile</code> constructed with the result of this method will

        assertEquals(attrs, it.getSearchAttributes());
        assertEquals(wildcard, it.getWildcard());
        assertSame(parent, it.getParent());
        verify(tree, times(1)).acquire();
    }

    @Test
    @DisplayName("Constructor with open() returning null closes immediately and hasNext=false")
    void constructorOpenNullCloses() throws Exception {

        }
    }

    @Nested
    class WhenHandlingPaths {

        @Test
        void testGetParent() {
            // Act & Assert
            assertEquals("smb://localhost/share/", smbFile.getParent());
        }

        @Test
        void testGetCanonicalPath() {
            // Act & Assert
            assertEquals("smb://localhost/share/file.txt", smbFile.getCanonicalPath());
        }

        .containsExactlyElementsIn(locations);
  }

  public void testLocationEquals() {
    ClassLoader child = getClass().getClassLoader();
    ClassLoader parent = child.getParent();
    new EqualsTester()
        .addEqualityGroup(
            new ClassPath.LocationInfo(new File("foo.jar"), child),
            new ClassPath.LocationInfo(new File("foo.jar"), child))

     *         <code>smb://</code> if the resource refers to the root of the URL
     *         hierarchy which incidentally is also <code>smb://</code>.
     */
    public String getParent() {
        return this.fileLocator.getParent();
    }

    /**
     * Returns the full uncanonicalized URL of this SMB resource. An
     * <code>SmbFile</code> constructed with the result of this method will