file_url.sys.mjs - mozsearch

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export function checkFromESM(ok, is) {

  var url = new URL("https://www.example.com");

  is(url.href, "https://www.example.com/", "ESM should have URL");

  var url2 = new URL("/foobar", url);

is(

    url2.href,

    "https://www.example.com/foobar",

    "ESM should have URL - based on another URL"

);

  var blob = new Blob(["a"]);

  url = URL.createObjectURL(blob);

  ok(url, "URL is created!");

  var u = new URL(url);

  ok(u, "URL created");

  is(u.origin, "null", "Url doesn't have an origin if created in a ESM");

  URL.revokeObjectURL(url);

  ok(true, "URL is revoked");