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/debugger-test.js"></script>
   5 <script>
   6
   7 var test = function()
   8 {
   9     var setup =
  10         "window.testDiv = document.createElement('div');\n" +
  11         "window.deliveryCount = 0;\n" +
  12         "var observer = new WebKitMutationObserver(function(records) {\n" +
  13         "    window.deliveryCount++;\n" +
  14         "});\n" +
  15         "observer.observe(window.testDiv, { attributes: true });";
  16
  17     var mutateAndPause =
  18         "function mutateAndPause() {\n" +
  19         "    window.testDiv.setAttribute('foo', 'baz');\n" +
  20         "    debugger;\n" +
  21         "};\n" +
  22         "setTimeout(mutateAndPause, 0);";
  23
  24     InspectorTest.startDebuggerTest(step1);
  25
  26     function step1()
  27     {
  28         InspectorTest.evaluateInConsole(setup, function() {
  29             InspectorTest.addResult("DIV and observer setup.");
  30             InspectorTest.evaluateInConsoleAndDump("deliveryCount", step2);
  31         });
  32     }
  33
  34     function step2()
  35     {
  36         InspectorTest.evaluateInConsole("window.testDiv.setAttribute('foo', 'bar')", function() {
  37             InspectorTest.addResult("setAttribute should have triggered delivery.");
  38             InspectorTest.evaluateInConsoleAndDump("deliveryCount", step3);
  39         });
  40     }
  41
  42     function step3()
  43     {
  44         InspectorTest.evaluateInConsole(mutateAndPause, InspectorTest.addResult.bind(InspectorTest, "mutateAndPause invoked."));
  45         InspectorTest.waitUntilPaused(step4);
  46     }
  47
  48     function step4() {
  49         InspectorTest.addResult("Delivery should not have taken place.");
  50         InspectorTest.evaluateInConsoleAndDump("deliveryCount", function() {
  51             InspectorTest.resumeExecution(step5);
  52         });
  53     }
  54
  55     function step5() {
  56         InspectorTest.addResult("Second delivery should now have happened.");
  57         InspectorTest.evaluateInConsoleAndDump("deliveryCount", InspectorTest.completeDebuggerTest);
  58     }
  59 }
  60
  61 </script>
  62 </head>
  63
  64 <body onload="runTest()">
  65 <p>
  66 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>
  67 </p>
  68
  69 </body>
  70 </html>