java.net.URL shouldn't be used to represent URLs

url-sanity.js

#!/usr/bin/env jjs
function runTest() {
  var URL = Packages.java.net.URL;
  var LinkedHashSet = Packages.java.util.LinkedHashSet;
  set = new LinkedHashSet();
  set.add(new URL("http://Square.GitHub.io/"));
  set.add(new URL("http://square.github.io:80/"));
  set.add(new URL("http://google.github.io/"));
  size = set.size();
  if (size === 2) {
    print("============= CORRECT ===========");
  } else {
    print("Awkward... ");
  }
}

function callExternalNashorn() {
  for (i = 0; i < 100; i++) {
    script = __FILE__;
    $EXEC('jjs -Dsanity=true -scripting ' + script);
    print($OUT);
  }
}

if (java.lang.System.getProperty("sanity") === "true") {
  runTest();
} else {
  callExternalNashorn();
}