LayoutTests/fast/js/script-tests/eval-var-decl.js

   1 description(
   2 "This test case checks whether variables cause properties to be defined even before reaching the declaration statement in various cases."
   3 );
   4
   5 shouldBeTrue('this.hasOwnProperty("foo")');
   6 var foo = 3;
   7
   8 delete bar;
   9 shouldBeTrue('this.hasOwnProperty("bar")');
  10 var bar = 3;
  11
  12 var firstEvalResult = eval('var result = this.hasOwnProperty("y"); var y = 3; result');
  13 shouldBeTrue("firstEvalResult");
  14
  15 var secondEvalResult = eval('delete x; var result = this.hasOwnProperty("x"); var x = 3; result');
  16 shouldBeFalse("secondEvalResult");
  17
  18 var thirdEvalResult = false;
  19 try {
  20     thirdEvalResult = (function(){ var x=false; try { throw ""; } catch (e) { eval("var x = true;"); } return x; })();
  21 } catch (e) {
  22     thirdEvalResult = "Threw exception!";
  23 }
  24 shouldBeTrue("thirdEvalResult");