{
  lib,
  iterate,
  ip,
}:

let
  inherit (lib) runTests;

in
runTests {
  testRangeBasic = {
    expr = iterate.rangeStr "10.0.0.1" "10.0.0.3";
    expected = [
      "10.0.0.1"
      "10.0.0.2"
      "10.0.0.3"
    ];
  };

  testRangeSingle = {
    expr = iterate.rangeStr "10.0.0.1" "10.0.0.1";
    expected = [ "10.0.0.1" ];
  };

  testRangeEmpty = {
    expr = iterate.rangeStr "10.0.0.5" "10.0.0.1";
    expected = [ ];
  };

  testRangeCrossOctet = {
    expr = iterate.rangeStr "10.0.0.254" "10.0.1.2";
    expected = [
      "10.0.0.254"
      "10.0.0.255"
      "10.0.1.0"
      "10.0.1.1"
      "10.0.1.2"
    ];
  };

  testCidrAddresses30 = {
    expr = iterate.cidrAddressesStr "10.0.0.0/30";
    expected = [
      "10.0.0.0"
      "10.0.0.1"
      "10.0.0.2"
      "10.0.0.3"
    ];
  };

  testCidrAddresses32 = {
    expr = iterate.cidrAddressesStr "10.0.0.1/32";
    expected = [ "10.0.0.1" ];
  };

  testCidrAddressesCount = {
    expr = builtins.length (iterate.cidrAddresses "10.0.0.0/28");
    expected = 16;
  };

  testCidrHosts30 = {
    expr = iterate.cidrHostsStr "10.0.0.0/30";
    expected = [
      "10.0.0.1"
      "10.0.0.2"
    ];
  };

  testCidrHosts31 = {
    expr = iterate.cidrHostsStr "10.0.0.0/31";
    expected = [
      "10.0.0.0"
      "10.0.0.1"
    ];
  };

  testCidrHosts32 = {
    expr = iterate.cidrHostsStr "10.0.0.1/32";
    expected = [ "10.0.0.1" ];
  };

  testCidrHostsCount = {
    expr = builtins.length (iterate.cidrHosts "10.0.0.0/28");
    expected = 14;
  };

  testInRangeTrue = {
    expr = iterate.inRange "10.0.0.1" "10.0.0.5" "10.0.0.3";
    expected = true;
  };

  testInRangeStart = {
    expr = iterate.inRange "10.0.0.1" "10.0.0.5" "10.0.0.1";
    expected = true;
  };

  testInRangeEnd = {
    expr = iterate.inRange "10.0.0.1" "10.0.0.5" "10.0.0.5";
    expected = true;
  };

  testInRangeFalseLow = {
    expr = iterate.inRange "10.0.0.2" "10.0.0.5" "10.0.0.1";
    expected = false;
  };

  testInRangeFalseHigh = {
    expr = iterate.inRange "10.0.0.1" "10.0.0.5" "10.0.0.6";
    expected = false;
  };

  testCountRangeBasic = {
    expr = iterate.countRange "10.0.0.1" "10.0.0.10";
    expected = 10;
  };

  testCountRangeSingle = {
    expr = iterate.countRange "10.0.0.1" "10.0.0.1";
    expected = 1;
  };

  testCountRangeEmpty = {
    expr = iterate.countRange "10.0.0.5" "10.0.0.1";
    expected = 0;
  };

  testMapRangeFormat = {
    expr = iterate.mapRange ip.format "10.0.0.1" "10.0.0.3";
    expected = [
      "10.0.0.1"
      "10.0.0.2"
      "10.0.0.3"
    ];
  };

  testMapRangeOctets = {
    expr = iterate.mapRange ip.toOctets "10.0.0.1" "10.0.0.2";
    expected = [
      [
        10
        0
        0
        1
      ]
      [
        10
        0
        0
        2
      ]
    ];
  };

  testFilterRangeEven = {
    expr = builtins.map ip.format (iterate.filterRange (i: lib.mod i 2 == 0) "10.0.0.1" "10.0.0.5");
    expected = [
      "10.0.0.2"
      "10.0.0.4"
    ];
  };

  testTakeRangeBasic = {
    expr = iterate.takeRangeStr 3 "10.0.0.1" "10.0.0.10";
    expected = [
      "10.0.0.1"
      "10.0.0.2"
      "10.0.0.3"
    ];
  };

  testTakeRangeMoreThanAvailable = {
    expr = iterate.takeRangeStr 10 "10.0.0.1" "10.0.0.3";
    expected = [
      "10.0.0.1"
      "10.0.0.2"
      "10.0.0.3"
    ];
  };

  testTakeRangeZero = {
    expr = iterate.takeRangeStr 0 "10.0.0.1" "10.0.0.10";
    expected = [ ];
  };

  testFindInRangeBasic = {
    expr = iterate.findInRangeStr (i: lib.mod i 5 == 0) "10.0.0.1" "10.0.0.10";
    expected = "10.0.0.5";
  };

  testFindInRangeNotFound = {
    expr = iterate.findInRange (i: i > 1000000000) "10.0.0.1" "10.0.0.10";
    expected = null;
  };
}