The Tor Browser / file revision

 // eval correctly handles optional custom url option

 var g = newGlobal();

 var dbg = new Debugger(g);

 var count = 0;

 function testUrl (options, expected) {

     count++;

     dbg.onDebuggerStatement = function (frame) {

         dbg.onNewScript = function (script) {

             dbg.onNewScript = undefined;

             assertEq(script.url, expected);

             count--;

         };

         frame.eval("", options);

     };

     g.eval("debugger;");

 }

 testUrl(undefined, "debugger eval code");

 testUrl(null, "debugger eval code");

 testUrl({ url: undefined }, "debugger eval code");

 testUrl({ url: null }, "null");

 testUrl({ url: 5 }, "5");

 testUrl({ url: "test" }, "test");

 assertEq(count, 0);