summaryrefslogtreecommitdiffstats
path: root/js/src/jit-test/tests/cacheir/bug1651732-proxy-get.js
blob: 9a4362f4106fa36a774cc42301bd94f067d4ad55 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
// An object with a custom [Symbol.toPrimitive] function.
var key = {
  value: "a",

  [Symbol.toPrimitive]() {
    return this.value;
  }
};

var target = {};
var obj = new Proxy(target, {});

for (var i = 0; i < 100; ++i) {
  // Change key[Symbol.toPrimitive] to return a symbol after some warm-up.
  if (i > 80) {
    key.value = Symbol.iterator;
  }

  target[key.value] = i;

  // Attach an IC for JSOp::GetElem on proxies.
  assertEq(obj[key], i);
}