@Test
public void testGetPrintScaling() {

    assertEquals(PDViewerPreferences.PRINT_SCALING.None,
            ViewerPreferencesUtils.getPrintScaling(PdfPrintScaling.NONE));
    assertEquals(PDViewerPreferences.PRINT_SCALING.AppDefault,
            ViewerPreferencesUtils.getPrintScaling(PdfPrintScaling.APP_DEFAULT));
}