tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_1284886_suspend_tab.js (3228B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 add_task(async function test() {
      5  await SpecialPowers.pushPrefEnv({
      6    set: [["dom.require_user_interaction_for_beforeunload", false]],
      7  });
      8 
      9  let url = "about:robots";
     10  let tab0 = gBrowser.tabs[0];
     11  let tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
     12 
     13  const staleAttributes = [
     14    "activemedia-blocked",
     15    "busy",
     16    "pendingicon",
     17    "progress",
     18    "soundplaying",
     19  ];
     20  for (let attr of staleAttributes) {
     21    tab0.toggleAttribute(attr, true);
     22  }
     23  gBrowser.discardBrowser(tab0);
     24  ok(!tab0.linkedPanel, "tab0 is suspended");
     25  for (let attr of staleAttributes) {
     26    ok(
     27      !tab0.hasAttribute(attr),
     28      `discarding browser removes "${attr}" tab attribute`
     29    );
     30  }
     31 
     32  await BrowserTestUtils.switchTab(gBrowser, tab0);
     33  ok(tab0.linkedPanel, "selecting tab unsuspends it");
     34 
     35  // Test that active tab is not able to be suspended.
     36  gBrowser.discardBrowser(tab0);
     37  ok(tab0.linkedPanel, "active tab is not able to be suspended");
     38 
     39  // Test that tab that is closing is not able to be suspended.
     40  gBrowser._beginRemoveTab(tab1);
     41  gBrowser.discardBrowser(tab1);
     42 
     43  ok(tab1.linkedPanel, "cannot suspend a tab that is closing");
     44 
     45  gBrowser._endRemoveTab(tab1);
     46 
     47  // Open tab containing a page which has a beforeunload handler which shows a prompt.
     48  url =
     49    "http://example.com/browser/browser/components/sessionstore/test/browser_1284886_suspend_tab.html";
     50  tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
     51  await BrowserTestUtils.switchTab(gBrowser, tab0);
     52 
     53  // Test that tab with beforeunload handler which would show a prompt cannot be suspended.
     54  gBrowser.discardBrowser(tab1);
     55  ok(
     56    tab1.linkedPanel,
     57    "cannot suspend a tab with beforeunload handler which would show a prompt"
     58  );
     59 
     60  // Test that tab with beforeunload handler which would show a prompt will be suspended if forced.
     61  gBrowser.discardBrowser(tab1, true);
     62  ok(
     63    !tab1.linkedPanel,
     64    "force suspending a tab with beforeunload handler which would show a prompt"
     65  );
     66 
     67  BrowserTestUtils.removeTab(tab1);
     68 
     69  // Open tab containing a page which has a beforeunload handler which does not show a prompt.
     70  url =
     71    "http://example.com/browser/browser/components/sessionstore/test/browser_1284886_suspend_tab_2.html";
     72  tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
     73  await BrowserTestUtils.switchTab(gBrowser, tab0);
     74 
     75  // Test that tab with beforeunload handler which would not show a prompt can be suspended.
     76  gBrowser.discardBrowser(tab1);
     77  ok(
     78    !tab1.linkedPanel,
     79    "can suspend a tab with beforeunload handler which would not show a prompt"
     80  );
     81 
     82  BrowserTestUtils.removeTab(tab1);
     83 
     84  // Test that non-remote tab is not able to be suspended.
     85  url = "about:robots";
     86  tab1 = BrowserTestUtils.addTab(gBrowser, url, { forceNotRemote: true });
     87  await promiseBrowserLoaded(tab1.linkedBrowser, true, url);
     88  await BrowserTestUtils.switchTab(gBrowser, tab1);
     89  await BrowserTestUtils.switchTab(gBrowser, tab0);
     90 
     91  gBrowser.discardBrowser(tab1);
     92  ok(tab1.linkedPanel, "cannot suspend a remote tab");
     93 
     94  BrowserTestUtils.removeTab(tab1);
     95 });