aboutsummaryrefslogtreecommitdiffstats
path: root/src/annex-b-fns/func-skip-early-err-for-of.case
blob: b06e3fce17e87321cc748364aedb3b00de6b3d3b (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
29
30
31
32
33
34
35
36
37
38
39
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: >
  Extension not observed when creation of variable binding would produce an
  early error (for-of statement)
template: func
info: |
    B.3.3.1 Changes to FunctionDeclarationInstantiation

    [...]
    ii. If replacing the FunctionDeclaration f with a VariableStatement that
        has F as a BindingIdentifier would not produce any Early Errors for
        func and F is not an element of BoundNames of argumentsList, then
    [...]
---*/

//- before
assert.throws(ReferenceError, function() {
  f;
}, 'An initialized binding is not created prior to evaluation');
assert.sameValue(
  typeof f,
  'undefined',
  'An uninitialized binding is not created prior to evaluation'
);

for (let f of [0]) {
//- after
}

assert.throws(ReferenceError, function() {
  f;
}, 'An initialized binding is not created following evaluation');
assert.sameValue(
  typeof f,
  'undefined',
  'An uninitialized binding is not created following evaluation'
);