From fe3dd7f102d316d58a53ca9144431c27f12e7afe Mon Sep 17 00:00:00 2001
From: Dan Witte <dwitte@mozilla.com>
Date: Fri, 10 Jul 2009 12:34:04 -0700
Subject: [PATCH] Bug 503363 - include filename+linenumber for exceptions
 thrown during mochitest. r=sdwilsh

---
 testing/mochitest/browser-test.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/testing/mochitest/browser-test.js b/testing/mochitest/browser-test.js
index e1834f96ae9..12b11ec3e6b 100644
--- a/testing/mochitest/browser-test.js
+++ b/testing/mochitest/browser-test.js
@@ -152,8 +152,13 @@ function testResult(aCondition, aName, aDiag, aIsTodo) {
     else
       this.result = "TEST-PASS";
   } else {
-    if (aDiag)
+    if (aDiag) {
+      if (typeof aDiag == "object" && "fileName" in aDiag) {
+        // we have an exception - print filename and linenumber information
+        this.msg += " at " + aDiag.fileName + ":" + aDiag.lineNumber;
+      }
       this.msg += " - " + aDiag;
+    }
     if (aIsTodo)
       this.result = "TEST-UNEXPECTED-PASS";
     else