test262/test/language/statements/for-of/dstr-obj-prop-nested-array-...

40 lines
1.3 KiB
JavaScript

// This file was procedurally generated from the following sources:
// - src/dstr-assignment/obj-prop-nested-array-undefined.case
// - src/dstr-assignment/error/for-of.template
/*---
description: When DestructuringAssignmentTarget is an array literal and the value is not defined, a TypeError should be thrown. (For..of statement)
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
es6id: 13.7.5.11
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 x;
var counter = 0;
assert.throws(TypeError, function() {
for ({ x: [ x ] } of [{}]) {
counter += 1;
}
counter += 1;
});
assert.sameValue(counter, 0);