assertTrue("Empty input should produce empty content", result.getContent().isEmpty());
    }

    /**
     * Test extraction with large text content.
     */
    public void test_getText_largeContent_extractsSuccessfully() {
        final StringBuilder largeContent = new StringBuilder();
        for (int i = 0; i < 10000; i++) {
            largeContent.append("Line ").append(i).append(" with some content\n");
        }