src/third_party/WebKit/LayoutTests/inspector/sources/debugger/mutation-observer-suspend-while-paused.html

   1 <html>
   2 <head>
   3 <script src="../../../http/tests/inspector/inspector-test.js"></script>
   4 <script src="../../../http/tests/inspector/console-test.js"></script>
   5 <script src="../../../http/tests/inspector/debugger-test.js"></script>
   6 <script>
   7
   8 var test = function()
   9 {
  10     var setup =
  11         "window.testDiv = document.createElement('div');\n" +
  12         "window.deliveryCount = 0;\n" +
  13         "var observer = new WebKitMutationObserver(function(records) {\n" +
  14         "    window.deliveryCount++;\n" +
  15         "});\n" +
  16         "observer.observe(window.testDiv, { attributes: true });";
  17
  18     var mutateAndPause =
  19         "function mutateAndPause() {\n" +
  20         "    window.testDiv.setAttribute('foo', 'baz');\n" +
  21         "    debugger;\n" +
  22         "};\n" +
  23         "setTimeout(mutateAndPause, 0);";
  24
  25     InspectorTest.startDebuggerTest(step1);
  26
  27     function step1()
  28     {
  29         InspectorTest.evaluateInPage(setup, function() {
  30             InspectorTest.addResult("DIV and observer setup.");
  31             InspectorTest.evaluateInConsoleAndDump("deliveryCount", step2);
  32         });
  33     }
  34
  35     function step2()
  36     {
  37         InspectorTest.evaluateInPage("window.testDiv.setAttribute('foo', 'bar')", function() {
  38             InspectorTest.addResult("setAttribute should have triggered delivery.");
  39             InspectorTest.evaluateInConsoleAndDump("deliveryCount", step3);
  40         });
  41     }
  42
  43     function step3()
  44     {
  45         InspectorTest.evaluateInPage(mutateAndPause, InspectorTest.addResult.bind(InspectorTest, "mutateAndPause invoked."));
  46         InspectorTest.waitUntilPaused(step4);
  47     }
  48
  49     function step4() {
  50         InspectorTest.addResult("Delivery should not have taken place.");
  51         InspectorTest.evaluateInConsoleAndDump("deliveryCount", function() {
  52             InspectorTest.resumeExecution(step5);
  53         });
  54     }
  55
  56     function step5() {
  57         InspectorTest.addResult("Second delivery should now have happened.");
  58         InspectorTest.evaluateInConsoleAndDump("deliveryCount", InspectorTest.completeDebuggerTest);
  59     }
  60 }
  61
  62 </script>
  63 </head>
  64
  65 <body onload="runTest()">
  66 <p>
  67 Tests that DOM Mutation Observers do not attempt to deliver mutation records while the debugger is paused.<a href="https://bugs.webkit.org/show_bug.cgi?id=105810">Bug 105810</a>
  68 </p>
  69
  70 </body>
  71 </html>