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
40
41
42
43
44
45
46
47
48
49
|
// This file was procedurally generated from the following sources:
// - src/dstr-assignment/array-rest-put-prop-ref-no-get.case
// - src/dstr-assignment/default/for-of.template
/*---
description: If the DestructuringAssignmentTarget of an AssignmentElement is a PropertyReference, it should not be evaluated. (For..of statement)
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LeftHandSideExpression of AssignmentExpression ) Statement
1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
AssignmentExpression, iterate).
2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
keyResult, assignment, labelSet).
13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
[...]
4. If destructuring is true and if lhsKind is assignment, then
a. Assert: lhs is a LeftHandSideExpression.
b. Let assignmentPattern be the parse of the source text corresponding to
lhs using AssignmentPattern as the goal symbol.
[...]
---*/
var setValue;
var x = {
get y() {
throw new Test262Error('The property should not be accessed.');
},
set y(val) {
setValue = val;
}
};
var counter = 0;
for ([...x.y] of [[23, 45, 99]]) {
assert.sameValue(setValue.length, 3);
assert.sameValue(setValue[0], 23);
assert.sameValue(setValue[1], 45);
assert.sameValue(setValue[2], 99);
counter += 1;
}
assert.sameValue(counter, 1);
reportCompare(0, 0);
|
