#[cfg(test)]
mod test {
  use clojure_reader::edn;

  fn display(edn: &str, disp: &str) {
    let edn = edn::read_string(edn).unwrap();
    assert_eq!(format!("{edn}"), disp);
  }

  #[test]
  fn empty() {
    display("", "nil");
    display("#_42", "nil");
    display("[]", "[]");
    display("()", "()");
    display("{}", "{}");
    display("#{}", "#{}");
  }

  #[test]
  fn chars() {
    display(
      "[\\newline 1 \\return \\a \\space cat \\tab]",
      "[\\newline 1 \\return \\a \\space cat \\tab]",
    );
  }

  #[test]
  fn collections() {
    #[cfg(feature = "floats")]
    display("(42.42 -0x42 4/2)", "(42.42 -66 4/2)");

    display("(-0x42 [false true] 4/2 \"space cat\")", "(-66 [false true] 4/2 \"space cat\")");
    display("{:cat [1 2 3] :猫　\"cat\"}", "{:cat [1 2 3], :猫 \"cat\"}");
    display("#{:cat [1 2 3]}", "#{[1 2 3] :cat}");
  }

  #[test]
  #[cfg(feature = "arbitrary-nums")]
  fn big_nums() {
    display(
      "25631065767070977971462822130252989343291119843231829652358861549262445684189654378457649724823121375N",
      "25631065767070977971462822130252989343291119843231829652358861549262445684189654378457649724823121375N");

    display(
      "45533659404590722935254870489403960444959108372566386371357004239357270213019055901312414981294872683212749959873522868216826382578289817566392464917746662928109689171949217403409185837530932882624331531998632400815620054542713762280785035186327752072979942320295706796108096781665970065634683955918435131704895612661039843567687810536853204638619861042194225357509736803723290261076155277120119270233712439357368913371347215210502655654790616883402061480163224326969915678360740686578777470546892660441110005181166215376621505.4356433869379847093529339406319840574059236551822608991350048836535371M",
      "45533659404590722935254870489403960444959108372566386371357004239357270213019055901312414981294872683212749959873522868216826382578289817566392464917746662928109689171949217403409185837530932882624331531998632400815620054542713762280785035186327752072979942320295706796108096781665970065634683955918435131704895612661039843567687810536853204638619861042194225357509736803723290261076155277120119270233712439357368913371347215210502655654790616883402061480163224326969915678360740686578777470546892660441110005181166215376621505.4356433869379847093529339406319840574059236551822608991350048836535371M");
  }

  #[test]
  fn tagged() {
    display("#inst \"1985-04-12T23:20:50.52Z\"", "#inst \"1985-04-12T23:20:50.52Z\"");

    display(
      "#uuid \"f81d4fae-7dec-11d0-a765-00a0c91e6bf6\"",
      "#uuid \"f81d4fae-7dec-11d0-a765-00a0c91e6bf6\"",
    );
  }
}