blob: d165776195c2122a9f979f87a7b0754bf57339d5 (
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
25
26
27
28
|
// Copyright (C) 2017 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-function-definitions-runtime-semantics-iteratorbindinginitialization
description: >
A new declarative environment is created, from the originalEnv, for each
parameter, and paramVarEnv is not shared.
info: |
Runtime Semantics: IteratorBindingInitialization
FormalParameter : BindingElement
...
6. Let paramVarEnv be NewDeclarativeEnvironment(originalEnv).
...
features: [arrow-function, default-parameters]
---*/
var y;
function f(a = eval("var x = 1; y = 42; x"), b = eval("x")) {}
assert.throws(ReferenceError, () => {
f();
});
assert.sameValue(y, 42);
|