} finally {
            tempPropFile.delete();
        }
    }

    public void test_process_withoutPropertiesPath() throws Exception {
        // Test process method without properties path
        ThumbnailGenerator.Options options = new ThumbnailGenerator.Options();
        options.numOfThreads = 2;

        } catch (Exception e) {
            // Test setup exception is acceptable
            assertNotNull(e);
        }
    }

    // Test process without properties path
    public void test_process_withoutPropertiesPath() {
        try {
            SuggestCreator.Options options = new SuggestCreator.Options();

            // Setup minimal mock components
            setupMockComponents();