third_party/WebKit/LayoutTests/fast/events/window-onerror-isolatedworld-02.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 </head>
   5 <body>
   6     <p>Test that window.onerror and "error" event listeners from isolated world are
   7     invoked for uncaught exceptions in scripts running in isolate worlds as
   8     well as for exceptions in the main world.<a href="https://bugs.webkit.org/show_bug.cgi?id=8519">Bug 8519.</a>
   9     </p>
  10     <pre id="console"></pre>
  11     <script>
  12         var expectedRecordCount = 10;
  13         var recordCount = 0;
  14         document.getElementById("console").addEventListener("DOMNodeInserted", function(e) {
  15             if (++recordCount === expectedRecordCount && window.testRunner)
  16                 testRunner.notifyDone();
  17         }, false);
  18
  19
  20         var throwExceptions = function(isolatedWorld)
  21         {
  22             window.addEventListener("load", function(e) {
  23                 // Do the following call from load listener to make sure error in the setTimeout callback always happens after the error in this listener.
  24                 setTimeout(function() {
  25                     throw new Error("Error in " + isolatedWorld + " setTimeout callback.");
  26                 }, 0);
  27                 throw new Error("Error in " + isolatedWorld + " load handler.");
  28             }, false);
  29
  30             throw new Error("Error in "+ isolatedWorld + " inline script.");
  31         };
  32
  33         var errorHandlers = function(isolatedWorld)
  34         {
  35             function lastUrlComponent(url) {
  36                 return url ? url.match( /[^\/]+\/?$/ )[0] : url;
  37             }
  38
  39             function log(msg) {
  40                 var record = document.createElement("div");
  41                 record.innerHTML = msg;
  42                 document.getElementById("console").appendChild(record);
  43             }
  44
  45             window.onerror = function(msg, url, line, column, error) {
  46                 log(isolatedWorld + " window.onerror: " + msg + " at " + lastUrlComponent(url) + ", Line: " + line + ", Column: " + column, "*");
  47                 if (error)
  48                     log("Error object present!");
  49                 else
  50                     log("No error object present!");
  51                 return true;
  52             }
  53
  54             window.addEventListener("error", function(e) {
  55                 var url = lastUrlComponent(e.filename);
  56                 log(isolatedWorld + " error event listener: " + e.message + " at " + url + ":, Line: " + e.lineno, "*");
  57                 if (e.error)
  58                     log("Error object present!");
  59                 else
  60                     log("No error object present!");
  61                 e.preventDefault();
  62             }, false);
  63         };
  64
  65         if (window.testRunner) {
  66             testRunner.dumpAsText();
  67             testRunner.waitUntilDone();
  68             testRunner.evaluateScriptInIsolatedWorld(1, "(" + errorHandlers + ")('isolated world'); (" + throwExceptions + ")('isolated world')");
  69         }
  70
  71         throwExceptions("main world");
  72     </script>
  73 </body>
  74 </html>