@Test
public void testWriteWithArrayExpansion() {
StringBuilder longText = new StringBuilder(1000000);
for (int i = 0; i < 1000000; i++) {
longText.append(i % 10);
}
CsvWriterSettings s = new CsvWriterSettings();
s.setMaxCharsPerColumn(2);
CsvWriter w = new CsvWriter(s);
w.writeValue(longText);
String value = w.writeValuesToString().trim();
assertEquals(value.length(), longText.length());
assertEquals(value, longText.toString());
w.writeValue(longText);
w.writeValue(longText);
value = w.writeValuesToString().trim();
assertEquals(value.length(), longText.length() * 2 + 1);
assertEquals(value, longText.toString() + "," + longText.toString());
}
