blob: ce2fc1c204392c3aabb15c7a3abd7ed656d2a0b8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
// Copyright (C) 2015 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: Operator x++ evaluates its reference expression once.
description: >
The operand expression is evaluated exactly once. Operand expression is
MemberExpression: base[prop]. ToPropertyKey(prop) is not called multiple
times.
---*/
var propKeyEvaluated = false;
var base = {};
var prop = {
toString: function() {
assert(!propKeyEvaluated);
propKeyEvaluated = true;
return 1;
}
};
base[prop]++;
reportCompare(0, 0);
|