1 PASS result is correctValue
2 PASS result is correctValue
3 PASS (function() { 'use strict'; location.valueOf = 'haxored'; return location.valueOf(); }()) threw exception TypeError: Cannot assign to read only property 'valueOf' of [object Location].
4 PASS (function() { location.valueOf = 'haxored'; return location.valueOf(); }()) did not throw exception.
5 PASS (function() { 'use strict'; delete location.valueOf; }()) threw exception TypeError: Cannot delete property 'valueOf' of [object Location].
6 PASS (function() { delete location.valueOf; return !!location.valueOf}()) is true
7 PASS successfullyParsed is true