@Test
public void count_multiple_added_lines() throws IOException {

  String example = "diff --git a/file-b1.xoo b/file-b1.xoo\n"
    + "index 0000000..c2a9048\n"
    + "--- a/foo\n"
    + "+++ b/bar\n"
    + "@@ -1 +1,3 @@\n"
    + " unchanged line\n"
    + "+added line 1\n"
    + "+added line 2\n";
  printDiff(example);
  assertThat(underTest.changedLines()).containsExactly(2, 3);
}