tor-browser

The Tor Browser
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test_bug1222633_link_update.html (4252B)

      1 <!DOCTYPE HTML>
      2 <html>
      3 <!--
      4 https://bugzilla.mozilla.org/show_bug.cgi?id=1222633
      5 -->
      6 <head>
      7  <title>Test for Bug 1222633</title>
      8  <script src="/tests/SimpleTest/SimpleTest.js"></script>
      9  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
     10 </head>
     11 <body>
     12 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1222633">Mozilla Bug 1222633</a>
     13 <p id="display"></p>
     14 <div id="content" style="display: none"></div>
     15 <script class="testbody" type="text/javascript">
     16 
     17 /** Test for Bug 1222633 */
     18 
     19 // Test changing as attribute from an empty value to "foo" to "image". The empty value and "foo" will
     20 // not trigger any event and "image" should trigger an load event.
     21 function testPreloadEventAsAttributeChange(url) {
     22  return new Promise((resolve) => {
     23    var link = document.createElement("LINK");
     24    link.setAttribute("rel", "preload");
     25    link.setAttribute("href", url);
     26 
     27    link.addEventListener("load", () => {
     28      ok(link.as == "image", "Only image will trigger a load event");
     29      link.remove();
     30      resolve();
     31    });
     32    link.addEventListener("error", () => {
     33      ok(false, "We should not get an error event.");
     34    });
     35 
     36    document.head.appendChild(link);
     37    link.setAttribute("as", "foo");
     38    link.setAttribute("as", "image");
     39  });
     40 }
     41 
     42 function testPreloadEventAttributeChange(url, attr, invalidValue, validValue) {
     43  return new Promise((resolve) => {
     44    var count = 0;
     45    var link = document.createElement("LINK");
     46    link.setAttribute("rel", "preload");
     47    link.setAttribute("href", url);
     48    link.setAttribute("as", "image");
     49 
     50    link.setAttribute(attr, invalidValue);
     51 
     52    let firedLoad = false;
     53    link.addEventListener("load", () => {
     54      ok(!firedLoad, "expecting first load event for " + url);
     55      firedLoad = true;
     56      link.remove();
     57      resolve();
     58    });
     59    link.addEventListener("error", () => {
     60      ok(false, "shouldn't fire error events");
     61    });
     62    document.head.appendChild(link);
     63    SimpleTest.executeSoon(function() {
     64      ok(!firedLoad, "Invalid value shouldn't fire load event");
     65      link.setAttribute(attr, validValue);
     66    })
     67  });
     68 }
     69 
     70 function testPreloadEventSetCrossOrigin(url) {
     71  return new Promise((resolve) => {
     72    var link = document.createElement("LINK");
     73    link.setAttribute("rel", "preload");
     74    link.setAttribute("href", url);
     75    link.setAttribute("as", "fetch");
     76    count = 0;
     77 
     78    link.addEventListener("load", () => {
     79      count++;
     80      if ((count == 1) || (count == 3) || (count == 5)) {
     81        ok(true, "expecting " + count + ". load event for " + url);
     82      } else {
     83        ok(false, "expecting " + count + ". event for " + url);
     84      }
     85      if ((count == 1) || (count == 3)) {
     86        link.setAttribute("crossorigin", "");
     87      } else {
     88        link.remove();
     89        resolve();
     90      }
     91    });
     92 
     93    link.addEventListener("error", () => {
     94      count++;
     95      if ((count == 2) || (count == 4)) {
     96        ok(true, "expecting " + count + ". error event for " + url);
     97      } else {
     98        ok(false, "expecting " + count + ". error event for " + url);
     99      }
    100      link.removeAttribute("crossorigin");
    101    });
    102    document.head.appendChild(link);
    103  });
    104 }
    105 
    106 const IMAGE_PATH = window.location.pathname.replace(/[^/]+$/, "file_mozfiledataurl_img.jpg");
    107 const SJS_PATH = window.location.pathname.replace(/[^/]+$/, "file_bug1268962.sjs");
    108 const SAME_ORIGIN = "http://mochi.test:8888";
    109 const CROSS_ORIGIN = "http://example.com";
    110 
    111 SimpleTest.waitForExplicitFinish();
    112 
    113 // Test changing as parameter from a wrong to a correct one.
    114 testPreloadEventAsAttributeChange(SAME_ORIGIN + IMAGE_PATH)
    115 // Test changing type parameter from a wrong to a correct one for given as parameter.
    116 .then(() => testPreloadEventAttributeChange(SAME_ORIGIN + IMAGE_PATH, "type", "text/vtt", "image/png"))
    117 // Test changing media parameter from a wrong to a correct one.
    118 .then(() => testPreloadEventAttributeChange(SAME_ORIGIN + IMAGE_PATH, "media", "foo", "all"))
    119 // Test changing crossorigin parameter.
    120 .then(() => testPreloadEventSetCrossOrigin(CROSS_ORIGIN + SJS_PATH + "?statusCode=404&cacheControl=max-age%3D120&allowOrigin=*"))
    121 
    122 .catch((err) => ok(false, "promise rejected: " + err))
    123 .then(() => SimpleTest.finish());
    124 
    125 </script>
    126 </body>
    127 </html>