Import wpt@1b61dad2be6c5100beb565e91c58b8c1084b3c7d

third_party/WebKit/LayoutTests/imported/wpt/resources/testharness.js

 /*global self*/
 /*jshint latedef: nofunc*/
 /*
 Distributed under both the W3C Test Suite License [1] and the W3C
 3-clause BSD License [2]. To contribute to a W3C Test Suite, see the
 policies and contribution forms [3].
 
 [1] http://www.w3.org/Consortium/Legal/2008/04-testsuite-license
 [2] http://www.w3.org/Consortium/Legal/2008/03-bsd-license
 [3] http://www.w3.org/2004/10/27-testcases
@@ skipping 2448 matching lines @@
                 stack = e.stack;
             }
         }
 
         var lines = stack.split("\n");
 
         // Create a pattern to match stack frames originating within testharness.js.  These include the
         // script URL, followed by the line/col (e.g., '/resources/testharness.js:120:21').
         // Escape the URL per http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
         // in case it contains RegExp characters.
-        var re = new RegExp((get_script_url().replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&') || "\\btestharness.js") + ":\\d+:\\d+");
+        var script_url = get_script_url();
+        var re_text = script_url ? script_url.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&') : "\\btestharness.js";
+        var re = new RegExp(re_text + ":\\d+:\\d+");
 
         // Some browsers include a preamble that specifies the type of the error object.  Skip this by
         // advancing until we find the first stack frame originating from testharness.js.
         var i = 0;
         while (!re.test(lines[i]) && i < lines.length) {
             i++;
         }
 
         // Then skip the top frames originating from testharness.js to begin the stack at the test code.
         while (re.test(lines[i]) && i < lines.length) {
@@ skipping 188 matching lines @@
             tests.status.status = tests.status.ERROR;
             tests.status.message = e.message;
             tests.status.stack = e.stack;
         }
     });
 
     test_environment.on_tests_ready();
 
 })();
 // vim: set expandtab shiftwidth=4 tabstop=4: