/**
* Test of TessBaseAPIPrintVariables method, of class TessAPI1.
*
* @throws Exception while persisting variables into a file.
*/
@Test
public void testTessBaseAPIPrintVariablesToFile() throws Exception {
logger.info("TessBaseAPIPrintVariablesToFile");
String var = "tessedit_char_whitelist";
String value = "0123456789";
TessAPI1.TessBaseAPISetVariable(handle, var, value);
String filename = "printvar.txt";
TessAPI1.TessBaseAPIPrintVariablesToFile(
handle, filename); // will crash if not invoked after some method
File file = new File(filename);
BufferedReader input = new BufferedReader(new FileReader(file));
StringBuilder strB = new StringBuilder();
String line;
String EOL = System.getProperty("line.separator");
while ((line = input.readLine()) != null) {
strB.append(line).append(EOL);
}
input.close();
file.delete();
assertTrue(strB.toString().contains(var + "\t" + value));
}
