tor-browser

The Tor Browser
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srcdoc_process_attributes.html (2696B)

      1 <!DOCTYPE html>
      2 <meta charset="utf-8">
      3 <title>Whenever `srcdoc` attribute is set, changed, or removed, the UA must process the &lt;iframe> attributes</title>
      4 <link rel="help" href="https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element:process-the-iframe-attributes-2">
      5 <script src="/resources/testharness.js"></script>
      6 <script src="/resources/testharnessreport.js"></script>
      7 <body>
      8 <script>
      9 function createIFrameWithBlobSrc() {
     10  var iframe = document.createElement("iframe");
     11  iframe.src = URL.createObjectURL(new Blob(["src"], {type: "text/html"}));
     12  return iframe;
     13 }
     14 
     15 async_test(function(t) {
     16  var iframe = createIFrameWithBlobSrc();
     17  var isAdded = false;
     18  iframe.onload = t.step_func(function() {
     19    assert_equals(iframe.contentDocument.location.protocol, "blob:");
     20    assert_equals(iframe.contentDocument.body.textContent, "src");
     21 
     22    iframe.onload = t.step_func_done(function() {
     23      assert_true(isAdded);
     24      assert_equals(iframe.contentDocument.location.href, "about:srcdoc");
     25      assert_equals(iframe.contentDocument.body.textContent, "srcdoc");
     26    });
     27 
     28    iframe.setAttribute("srcdoc", "srcdoc");
     29    isAdded = true;
     30  });
     31 
     32  document.body.appendChild(iframe);
     33 }, "Adding `srcdoc` attribute triggers attributes processing");
     34 
     35 async_test(function(t) {
     36  var iframe = createIFrameWithBlobSrc();
     37  var isChanged = false;
     38  iframe.srcdoc = "old";
     39  iframe.onload = t.step_func(function() {
     40    assert_equals(iframe.contentDocument.location.href, "about:srcdoc");
     41    assert_equals(iframe.contentDocument.body.textContent, "old");
     42 
     43    iframe.onload = t.step_func_done(function() {
     44      assert_true(isChanged);
     45      assert_equals(iframe.contentDocument.location.href, "about:srcdoc");
     46      assert_equals(iframe.contentDocument.body.textContent, "new");
     47    });
     48 
     49    iframe.srcdoc = "new";
     50    isChanged = true;
     51  });
     52 
     53  document.body.appendChild(iframe);
     54 }, "Setting `srcdoc` (via property) triggers attributes processing");
     55 
     56 async_test(function(t) {
     57  var iframe = createIFrameWithBlobSrc();
     58  var isRemoved = false;
     59  iframe.srcdoc = "srcdoc";
     60  iframe.onload = t.step_func(function() {
     61    assert_equals(iframe.contentDocument.location.href, "about:srcdoc");
     62    assert_equals(iframe.contentDocument.body.textContent, "srcdoc");
     63 
     64    iframe.onload = t.step_func_done(function() {
     65      assert_true(isRemoved);
     66      assert_equals(iframe.contentDocument.location.protocol, "blob:");
     67      assert_equals(iframe.contentDocument.body.textContent, "src");
     68    });
     69 
     70    iframe.removeAttribute("srcdoc");
     71    isRemoved = true;
     72  });
     73 
     74  document.body.appendChild(iframe);
     75 }, "Removing `srcdoc` attribute triggers attributes processing");
     76 </script>