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path: root/netwerk/test/browser/browser_resource_navigation.js
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/*
 * Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/
 */

"use strict";

add_task(async function() {
  info("Make sure navigation through links in resource:// pages work");

  await BrowserTestUtils.withNewTab(
    { gBrowser, url: "resource://gre/" },
    async function(browser) {
      // Following a directory link shall properly open the directory (bug 1224046)
      await SpecialPowers.spawn(browser, [], function() {
        let link = Array.prototype.filter.call(
          content.document.getElementsByClassName("dir"),
          function(element) {
            let name = element.textContent;
            // Depending whether resource:// is backed by jar: or file://,
            // directories either have a trailing slash or they don't.
            if (name.endsWith("/")) {
              name = name.slice(0, -1);
            }
            return name == "components";
          }
        )[0];
        // First ensure the link is in the viewport
        link.scrollIntoView();
        // Then click on it.
        link.click();
      });

      await BrowserTestUtils.browserLoaded(
        browser,
        undefined,
        "resource://gre/components/"
      );

      // Following the parent link shall properly open the parent (bug 1366180)
      await SpecialPowers.spawn(browser, [], function() {
        let link = content.document
          .getElementById("UI_goUp")
          .getElementsByTagName("a")[0];
        // The link should always be high enough in the page to be in the viewport.
        link.click();
      });

      await BrowserTestUtils.browserLoaded(
        browser,
        undefined,
        "resource://gre/"
      );

      // Following a link to a given file shall properly open the file.
      await SpecialPowers.spawn(browser, [], function() {
        let link = Array.prototype.filter.call(
          content.document.getElementsByClassName("file"),
          function(element) {
            return element.textContent == "greprefs.js";
          }
        )[0];
        link.scrollIntoView();
        link.click();
      });

      await BrowserTestUtils.browserLoaded(
        browser,
        undefined,
        "resource://gre/greprefs.js"
      );

      ok(true, "Got to the end of the test!");
    }
  );
});