  @Test void testDiffLines() {

    String[] before = {
        "Get a dose of her in jackboots and kilt",
        "She's killer-diller when she's dressed to the hilt",
        "She's the kind of a girl that makes The News of The World",
        "Yes you could say she was attractively built.",
        "Yeah yeah yeah."
    };
    String[] after = {
        "Get a dose of her in jackboots and kilt",
        "(they call her \"Polythene Pam\")",
        "She's killer-diller when she's dressed to the hilt",
        "She's the kind of a girl that makes The Sunday Times",
        "seem more interesting.",
        "Yes you could say she was attractively built."
    };
    String diff =
        DiffTestCase.diffLines(
            Arrays.asList(before),
            Arrays.asList(after));
    assertThat(Util.toLinux(diff),
        equalTo("1a2\n"
            + "> (they call her \"Polythene Pam\")\n"
            + "3c4,5\n"
            + "< She's the kind of a girl that makes The News of The World\n"
            + "---\n"
            + "> She's the kind of a girl that makes The Sunday Times\n"
            + "> seem more interesting.\n"
            + "5d6\n"
            + "< Yeah yeah yeah.\n"));
  }