tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_bfcache_plus_hash.html (3684B)

      1 <!DOCTYPE HTML>
      2 <html>
      3 <!--
      4 https://bugzilla.mozilla.org/show_bug.cgi?id=646641
      5 -->
      6 <head>
      7  <title>Test for Bug 646641</title>
      8  <script src="/tests/SimpleTest/SimpleTest.js"></script>
      9  <script src="/tests/SimpleTest/WindowSnapshot.js"></script>
     10  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
     11 </head>
     12 <body>
     13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=646641">Mozilla Bug 646641</a>
     14 <p id="display"></p>
     15 <div id="content" style="display: none">
     16 
     17 </div>
     18 <pre id="test">
     19 <script type="application/javascript">
     20 
     21 /** Test for Bug 646641 */
     22 
     23 /**
     24 * Steps:
     25 * - Main page (this one) opens file_bfcache_plus_hash_1.html (subpage 1)
     26 * - subpage 1 sends msg { "childLoad", 1 }
     27 * - subpage 1 sends msg { "childPageshow", 1 }
     28 * - main page sends message "pushState"
     29 * - subpage 1 does pushState()
     30 * - subpage 1 navigates to file_bfcache_plus_hash_2.html (subpage 2)
     31 * - subpage 2 sends msg { "childLoad", 2 }
     32 * - subpage 2 sends msg { "childPageshow", 2 }
     33 * - main page sends msg "go-2"
     34 * - subpage 2 goes back two history entries
     35 * - subpage 1 sends msg  { "childPageshow", 1 }
     36 *  - Receiving only this msg shows we have retrieved the document from bfcache
     37 * - main page sends msg "close"
     38 * - subpage 1 sends msg "closed"
     39 */
     40 SimpleTest.waitForExplicitFinish();
     41 
     42 function debug(msg) {
     43  // Wrap dump so we can turn debug messages on and off easily.
     44  dump(msg + "\n");
     45 }
     46 
     47 var expectedLoadNum = -1;
     48 var expectedPageshowNum = -1;
     49 
     50 function waitForLoad(n) {
     51  debug("Waiting for load " + n);
     52  expectedLoadNum = n;
     53 }
     54 
     55 function waitForShow(n) {
     56  debug("Waiting for show " + n);
     57  expectedPageshowNum = n;
     58 }
     59 
     60 
     61 
     62 function executeTest() {
     63  function* test() {
     64    window.open("file_bfcache_plus_hash_1.html", "", "noopener");
     65    waitForLoad(1);
     66    waitForShow(1);
     67    yield undefined;
     68    yield undefined;
     69 
     70    bc1.postMessage("pushState");
     71 
     72    waitForLoad(2);
     73    waitForShow(2);
     74    yield undefined;
     75    yield undefined;
     76 
     77    // Now go back 2.  The first page should be retrieved from bfcache.
     78    bc2.postMessage("go-2");
     79    waitForShow(1);
     80    yield undefined;
     81 
     82    bc1.postMessage("close");
     83  }
     84 
     85  var bc1 = SpecialPowers.wrap(BroadcastChannel).unpartitionedTestingChannel("bug646641_1");
     86  var bc2 = SpecialPowers.wrap(BroadcastChannel).unpartitionedTestingChannel("bug646641_2");
     87  bc1.onmessage = (msgEvent) => {
     88    var msg = msgEvent.data.message;
     89    var n = msgEvent.data.num;
     90    if (msg == "childLoad") {
     91      if (n == expectedLoadNum) {
     92        debug("Got load " + n);
     93        expectedLoadNum = -1;
     94 
     95        // Spin the event loop before calling gGen.next() so the generator runs
     96        // outside the onload handler.  This prevents us from encountering all
     97        // sorts of docshell quirks.
     98        setTimeout(function() { gGen.next(); }, 0);
     99      } else {
    100        debug("Got unexpected load " + n);
    101        ok(false, "Got unexpected load " + n);
    102      }
    103    } else if (msg == "childPageshow") {
    104      if (n == expectedPageshowNum) {
    105        debug("Got expected pageshow " + n);
    106        expectedPageshowNum = -1;
    107        ok(true, "Got expected pageshow " + n);
    108        setTimeout(function() { gGen.next(); }, 0);
    109      } else {
    110        debug("Got unexpected pageshow " + n);
    111        ok(false, "Got unexpected pageshow " + n);
    112      }
    113    } else if (msg == "closed") {
    114      bc1.close();
    115      bc2.close();
    116      SimpleTest.finish();
    117    }
    118  }
    119 
    120  bc2.onmessage = bc1.onmessage;
    121 
    122  var gGen = test();
    123 
    124  // If Fission is disabled, the pref is no-op.
    125  SpecialPowers.pushPrefEnv({set: [["fission.bfcacheInParent", true]]}, () => {
    126    gGen.next();
    127  });
    128 }
    129 
    130 executeTest();
    131 
    132 
    133 </script>
    134 </pre>
    135 </body>
    136 </html>