The Tor Browser / file revision

 /*

  * Any copyright is dedicated to the Public Domain.

  * http://creativecommons.org/licenses/publicdomain/

  */

 var BUGNUMBER = 568142;

 var summary = 'error reporting blames column as well as line';

 function test(f, col) {

     var caught = false;

     try {

         f();

     } catch (e) {

         caught = true;

         assertEq(e.columnNumber, col);

     }

     assertEq(caught, true);

 }

 /* Note single hard tab before return! */

 function foo(o) {

 	return o.p;

 }

 test(foo, 1);

 //234567890123456789

 test(function(f) { return f.bar; }, 19);

 test(function(f) { return f(); }, 19);

 /* Cover negative colspan case using for(;;) loop with error in update part. */

 test(function(){

         //0         1         2         3         4

         //012345678901234567890123456789012345678901

     eval("function baz() { for (var i = 0; i < 10; i += a.b); assertEq(i !== i, true); }");

     baz();

 }, 41);

 //        1         2         3

 //234567890123456789012345678901234

 test(function() { var tmp = null; tmp(); }, 34)

 test(function() { var tmp = null;  tmp.foo; }, 35)

 /* Just a generic 'throw'. */

 test(function() {

 //234567890123

     foo({}); throw new Error('a');

 }, 13);

 /* Be sure to report the right statement */

 test(function() {

     function f() { return true; }

     function g() { return false; }

 //234567890123456789012345678

     f(); g(); f(); if (f()) a += e;

 }, 28);

 //2345678901234567890

 test(function() { e++; }, 18);

 test(function() {print += e; }, 17);

 test(function(){e += 1 }, 16);

 test(function() {  print[e]; }, 19);

 test(function() { e[1]; }, 18);

 test(function() { e(); }, 18);

 test(function() { 1(); }, 18);

 test(function() { Object.defineProperty() }, 18);

 test(function() {

 //23456789012345678901

     function foo() { asdf; } foo()

 }, 21);

 reportCompare(0, 0, "ok");

 printStatus("All tests passed!");