From 9f7f0f1172d67ab29e4f72eb1b34ab6f4bb231b1 Mon Sep 17 00:00:00 2001
From: janekptacijarabaci <janekptacijarabaci@seznam.cz>
Date: Wed, 4 Apr 2018 21:36:41 +0200
Subject: Bug 1288768 - Better error reporting for network errors in workers

---
 dom/security/test/csp/file_child-src_worker-redirect.html         | 7 ++-----
 dom/security/test/general/test_block_script_wrong_mime.html       | 6 ------
 dom/workers/test/test_404.html                                    | 1 -
 dom/workers/test/test_bug1036484.html                             | 1 -
 dom/workers/test/test_loadError.html                              | 8 ++------
 .../tests/workers/Worker_cross_origin_security_err.htm            | 2 +-
 .../tests/workers/constructors/SharedWorker/same-origin.html      | 2 +-
 .../tests/workers/constructors/Worker/same-origin.html            | 2 +-
 8 files changed, 7 insertions(+), 22 deletions(-)

diff --git a/dom/security/test/csp/file_child-src_worker-redirect.html b/dom/security/test/csp/file_child-src_worker-redirect.html
index 188f173b8..b0029935c 100644
--- a/dom/security/test/csp/file_child-src_worker-redirect.html
+++ b/dom/security/test/csp/file_child-src_worker-redirect.html
@@ -23,11 +23,8 @@
           );
 
       worker.onerror = function(error) {
-        var msg = error.message;
-        if (msg.match(/^NetworkError/) || msg.match(/Failed to load worker script/)) {
-          // this means CSP blocked it
-          msg = "blocked";
-        }
+        // this means CSP blocked it
+        var msg = !("message" in error) ? "blocked" : e.message;
         window.parent.postMessage({id:page_id, message:msg}, 'http://mochi.test:8888');
         error.preventDefault();
       };
diff --git a/dom/security/test/general/test_block_script_wrong_mime.html b/dom/security/test/general/test_block_script_wrong_mime.html
index f4da9c577..34d4b621b 100644
--- a/dom/security/test/general/test_block_script_wrong_mime.html
+++ b/dom/security/test/general/test_block_script_wrong_mime.html
@@ -53,9 +53,6 @@ function testWorker([mime, shouldLoad]) {
     };
     worker.onerror = (error) => {
       ok(!shouldLoad, `worker with wrong mime '${mime}' should be blocked`);
-      let msg = error.message;
-      ok(msg.match(/^NetworkError/) || msg.match(/Failed to load worker script/),
-         "should gets correct error message");
       error.preventDefault();
       resolve();
     }
@@ -74,9 +71,6 @@ function testWorkerImportScripts([mime, shouldLoad]) {
     };
     worker.onerror = (error) => {
       ok(!shouldLoad, `worker/importScripts with wrong mime '${mime}' should be blocked`);
-      let msg = error.message;
-      ok(msg.match(/^NetworkError/) || msg.match(/Failed to load worker script/),
-         "should gets correct error message");
       error.preventDefault();
       resolve();
     }
diff --git a/dom/workers/test/test_404.html b/dom/workers/test/test_404.html
index e2e83a35e..15e5ded68 100644
--- a/dom/workers/test/test_404.html
+++ b/dom/workers/test/test_404.html
@@ -25,7 +25,6 @@ Tests of DOM Worker Threads
 
   worker.onerror = function(event) {
     is(event.target, worker);
-    is(event.message, 'NetworkError: Failed to load worker script at "nonexistent_worker.js"');
     event.preventDefault();
     SimpleTest.finish();
   };
diff --git a/dom/workers/test/test_bug1036484.html b/dom/workers/test/test_bug1036484.html
index 17b9d490f..49c31bbc9 100644
--- a/dom/workers/test/test_bug1036484.html
+++ b/dom/workers/test/test_bug1036484.html
@@ -25,7 +25,6 @@ function test(script) {
 
   worker.onerror = function(event) {
     is(event.target, worker);
-    ok(event.message.startsWith("NetworkError: Failed to load worker script"))
     event.preventDefault();
     runTests();
   };
diff --git a/dom/workers/test/test_loadError.html b/dom/workers/test/test_loadError.html
index dc109b796..b9a215d11 100644
--- a/dom/workers/test/test_loadError.html
+++ b/dom/workers/test/test_loadError.html
@@ -13,15 +13,13 @@
 <script class="testbody" type="text/javascript">
 "use strict";
 
-var loadErrorMessage = 'SecurityError: Failed to load worker script at "about:blank"';
-
 function nextTest() {
   (function(){
     function workerfunc() {
       var subworker = new Worker("about:blank");
       subworker.onerror = function(e) {
         e.preventDefault();
-        postMessage(e.message);
+        postMessage("ERROR");
       }
     }
     var b = new Blob([workerfunc+'workerfunc();']);
@@ -37,7 +35,7 @@ function nextTest() {
         return;
       }
       w.onmessage = function(e) {
-        is(e.data, loadErrorMessage,
+        is(e.data, "ERROR",
            "Should catch the error when loading inner script");
         if (++i < 2) callworker(i);
         else SimpleTest.finish();
@@ -54,8 +52,6 @@ try {
   var worker = new Worker("about:blank");
   worker.onerror = function(e) {
     e.preventDefault();
-    is(e.message, loadErrorMessage,
-       "Should get the right error from the toplevel script");
     nextTest();
   }
 
diff --git a/testing/web-platform/tests/workers/Worker_cross_origin_security_err.htm b/testing/web-platform/tests/workers/Worker_cross_origin_security_err.htm
index 647a8b81e..d57dc29d5 100644
--- a/testing/web-platform/tests/workers/Worker_cross_origin_security_err.htm
+++ b/testing/web-platform/tests/workers/Worker_cross_origin_security_err.htm
@@ -8,7 +8,7 @@ async_test(function(t) {
   try {
     var w = new Worker("ftp://example.org/support/WorkerBasic.js");
     w.onerror = t.step_func_done(function(e) {
-      assert_true(e instanceof ErrorEvent);
+      assert_true(e instanceof Event);
     });
   } catch (e) {
     t.step_func_done(function(e) { assert_true(true); });
diff --git a/testing/web-platform/tests/workers/constructors/SharedWorker/same-origin.html b/testing/web-platform/tests/workers/constructors/SharedWorker/same-origin.html
index 2e0dd8db3..78d53164e 100644
--- a/testing/web-platform/tests/workers/constructors/SharedWorker/same-origin.html
+++ b/testing/web-platform/tests/workers/constructors/SharedWorker/same-origin.html
@@ -16,7 +16,7 @@ function testSharedWorkerHelper(t, script) {
   try {
     var worker = new SharedWorker(script, '');
     worker.onerror = t.step_func_done(function(e) {
-      assert_true(e instanceof ErrorEvent);
+      assert_true(e instanceof Event);
     });
   } catch (e) {
     t.step_func_done(function(e) { assert_true(true); });
diff --git a/testing/web-platform/tests/workers/constructors/Worker/same-origin.html b/testing/web-platform/tests/workers/constructors/Worker/same-origin.html
index 9b0148da3..bbc4382d0 100644
--- a/testing/web-platform/tests/workers/constructors/Worker/same-origin.html
+++ b/testing/web-platform/tests/workers/constructors/Worker/same-origin.html
@@ -14,7 +14,7 @@ function testSharedWorkerHelper(t, script) {
   try {
     var worker = new SharedWorker(script, '');
     worker.onerror = t.step_func_done(function(e) {
-      assert_true(e instanceof ErrorEvent);
+      assert_true(e instanceof Event);
     });
   } catch (e) {
     t.step_func_done(function(e) { assert_true(true); });
-- 
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