func lockedOpenFile(path string, flag int, perm os.FileMode, lockType uint32) (*LockedFile, error) {
	f, err := Open(path, flag, perm)
	if err != nil {
		return nil, err
	}

	if err = lockFile(syscall.Handle(f.Fd()), lockType); err != nil {
		f.Close()
		return nil, err
	}

	st, err := os.Stat(path)
	if err != nil {
		f.Close()
		return nil, err
	}

	if st.IsDir() {
		f.Close()

 * `wait()` and `notify()` functions.
 *
 * The Lockable interface is particularly handy because it ensures we lock the right `this` when
 * there are multiple `this` objects in scope.
 */
interface Lockable

internal inline fun Lockable.wait() = (this as Object).wait()

internal inline fun Lockable.notify() = (this as Object).notify()

internal inline fun Lockable.notifyAll() = (this as Object).notifyAll()

    class HappyPath {
        @Test
        void acceptWithMockedFile() throws Exception {
            SmbFile mockFile = mock(SmbFile.class);
            when(mockFile.getPath()).thenReturn("/share/file.txt");
            assertTrue(ALWAYSACTIVE.accept(mockFile));
        }
    }

    @Nested
    @DisplayName("Invalid input – null file handling")
    class InvalidPath {
        @Test

        dosFileFilter = new DosFileFilter("*.*", filterAttributes);

        // and a mock SmbFile with specific attributes
        when(mockFile.getAttributes()).thenReturn(fileAttributes);

        // When the accept method is called
        boolean result = dosFileFilter.accept(mockFile);

        // Then the result should be as expected
        if (expectedResult) {
            assertTrue(result, "File should be accepted");

        HandleInfo info = new HandleInfo("/test/file.txt", testGuid, testFileId, HandleType.DURABLE_V2, 120000, null);

        assertNull(info.getFile());

        Object mockFile = new Object();
        info.setFile(mockFile);
        assertEquals(mockFile, info.getFile());
    }

    @Test
    public void testToString() {