A major web browser does not fire window.onerror for iframes when the iframe's document

contains a JavaScript syntax error (major test area).  Added a workaround.

1 files changed, 12 insertions, 5 deletions

diff --git a/website/resources/scripts/global/sth.js b/website/resources/scripts/global/sth.js
index d312fc01a..aa42bd23d 100644
--- a/website/resources/scripts/global/sth.js
+++ b/website/resources/scripts/global/sth.js
@@ -91,7 +91,7 @@ function BrowserRunner() {
         // Set up some globals.

         win.testRun = testRun;

         win.testFinished = testFinished;

-        win.iframeError = undefined;

+        

         //TODO: these should be moved to sta.js

         win.SputnikError = SputnikError;

         win.$ERROR = $ERROR;

@@ -125,16 +125,23 @@ function BrowserRunner() {
         

         //--Scenario 1: we're dealing with a global scope test case

         if (GlobalScopeTests[id]!==undefined) {

+            win.iframeError = undefined;

+            win.onerror = undefined;

+            win.onErrorHack = undefined;

             var testDescrip = GlobalScopeTests[id];

-            

+                

             //Add an error handler

             doc.writeln("<script type='text/javascript'>window.onerror = function(errorMsg, url, lineNumber) {window.iframeError = errorMsg;};" + "</script>");

             //Parse and execute the code

-            doc.writeln("<script type='text/javascript'>try{" + code + "}catch(test262RuntimeError){window.iframeError=test262RuntimeError.message || \"None\";}</script>");

+            doc.writeln("<script type='text/javascript'>onErrorHack = true;try{" + code + "}catch(test262RuntimeError){window.iframeError=test262RuntimeError.message || \"None\";}</script>");

             

             //validation

             if (testDescrip.negative!==undefined) {  //An exception is expected

-                if (win.iframeError===undefined) { //no exception was thrown

+                if (win.onErrorHack===undefined) {  //Hack for browsers not supporting window.onerror WRT early parse errors

+                    testRun(testDescrip.id, testDescrip.path, testDescrip.description, code, typeof testDescrip.precondition !== 'undefined' ? testDescrip.precondition.toString() : '', 

+                            'pass', 'Not parsable');

+                }

+                else if (win.iframeError===undefined) { //no exception was thrown

                     testRun(testDescrip.id, testDescrip.path, testDescrip.description, code, typeof testDescrip.precondition !== 'undefined' ? testDescrip.precondition.toString() : '', 

                             'fail', 'No Exception Thrown');

                 } else if(! (new RegExp(testDescrip.negative, "i").test(win.iframeError))) {  //wrong type of exception thrown

@@ -150,7 +157,7 @@ function BrowserRunner() {
             } else {

                 testRun(testDescrip.id, testDescrip.path, testDescrip.description, code, typeof testDescrip.precondition !== 'undefined' ? testDescrip.precondition.toString() : '', 

                         'pass', undefined);

-            }

+            }   

         }

         //--Scenario 2:  we're dealing with a normal positive(?) test case

         else {