@Test
public void do_not_count_deleted_line() 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 +0,0 @@\n"
    + "-deleted line\n";
  printDiff(example);
  assertThat(underTest.changedLines()).isEmpty();
}