// Test setting zero value
        emptyGenerator.setMaxRedirectCount(0);
        assertEquals(0, emptyGenerator.maxRedirectCount);
    }

    @Test
    public void test_expandPath() {
        // Initialize without container
        emptyGenerator = new EmptyGenerator();

        // Test with no file path mappings
        assertEquals("test/path", emptyGenerator.expandPath("test/path"));

        assertFalse(generator.isDestroyCalled());
        generator.destroy();
        assertTrue(generator.isDestroyCalled());
    }

    @Test
    public void test_expandPath() {
        // Test expandPath method
        generator = new TestThumbnailGenerator();

        // Test without mappings
        assertEquals("path/to/file", generator.expandPath("path/to/file"));