tests/stress/set-constructor-adder.js

   1 // Set constructor with adder change.
   2
   3 var originalAdder = Set.prototype.add;
   4 var counter = 0;
   5
   6 Set.prototype.add = function (value) {
   7     counter++;
   8     return originalAdder.call(this, value);
   9 };
  10
  11 var values = [0, 1, 2, 3, 4, 5, 4, 3, 2, 1, 0];
  12 var set = new Set(values);
  13 if (set.size !== 6)
  14     throw "Error: bad set size " + set.size;
  15 if (counter !== values.length)
  16     throw "Error: bad counter " + counter;
  17
  18 Set.prototype.add = function () {
  19     throw new Error("adder called");
  20 };
  21
  22 var set = new Set();
  23 var set = new Set([]);
  24 var error = null;
  25 try {
  26     var set = new Set([0]);
  27 } catch (e) {
  28     error = e;
  29 }
  30 if (!error)
  31     throw "Error: error not thrown";
  32 if (String(error) !== "Error: adder called")
  33     throw "Error: bad error " + String(error);
  34