How to use

flush

method

in

org.apache.sis.io.LineAppender

  writer.flush();
} catch (IOException e) {
  throw new AssertionError(e);

  writer.flush();
} catch (IOException e) {
  throw new UncheckedIOException(e);

  /**
   * Tests a call to {@link LineAppender#flush()} interleaved between two lines,
   * where the second line begin with a tabulation.
   *
   * @throws IOException should never happen, since we are writing in a {@link StringBuilder}.
   *
   * @see <a href="https://issues.apache.org/jira/browse/SIS-140">SIS-140</a>
   */
  @Test
  public void testInterleavedFlush() throws IOException {
    final LineAppender f = (LineAppender) appender;
    f.setTabulationWidth(4);
    f.append("S1");
    f.flush();
    f.append("\tS2");
    assertOutputEquals(f.isTabulationExpanded() ? "S1  S2" : "S1\tS2");
  }
}