third_party/WebKit/LayoutTests/fast/dom/Window/timeout-callback-scope.html

   1 <html>
   2 <script>
   3
   4 // When both timeouts finish, the counter will be 2.
   5 window.completionCounter = 0;
   6 function test()
   7 {
   8     if (window.testRunner) {
   9         testRunner.dumpAsText();
  10         testRunner.waitUntilDone();
  11     }
  12     // Get the iframe's window.
  13     var iframeWindow = window.frames["testIframe"];
  14     // setTimeout with a callback specified as a JS closure.
  15     // This one should run in the context of the main page.
  16     iframeWindow.setTimeout(
  17         function() {
  18             document.getElementById("closureResult").innerText = (window == parent ? "PASS" : "FAIL");
  19             completionCounter++;
  20         }, 1);
  21     // setTimeout with a JS string containing similar code.
  22     // This one should run 'inside' iframe.
  23     iframeWindow.setTimeout(
  24         "parent.document.getElementById('stringResult').innerText = (window != parent ? 'PASS' : 'FAIL');" +
  25         "parent.completionCounter++;"
  26         , 1);
  27     window.setInterval(checkResult, 10);
  28 }
  29 function checkResult() {
  30     if (completionCounter < 2)
  31         return;
  32     if (window.testRunner)
  33         testRunner.notifyDone();
  34 }
  35 </script>
  36 <body onload="test()">
  37 <p>Test verifies that a timeout callback is run in the proper execution context. 2 timeouts are set on a child iframe's window. 'Closure' callback should execute in the main page, 'string' callback should execute in the iframe. Test passes if you see 2 lines 'PASS' below.</p>
  38 <div id=closureResult>FAIL</div>
  39 <div id=stringResult>FAIL</div>
  40 <iframe style="display:none" src="about:blank" name=testIframe></iframe>
  41 </body>
  42 </html>