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// This file was procedurally generated from the following sources:
// - src/dstr-assignment/obj-prop-elem-init-evaluation.case
// - src/dstr-assignment/default/for-of.template
/*---
description: The Initializer should only be evaluated if v is undefined. (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 flag1 = false;
var flag2 = false;
var x, y;
var counter = 0;
for ({ x: x = flag1 = true, y: y = flag2 = true } of [{ y: 1 }]) {
assert.sameValue(x, true, 'value of `x`');
assert.sameValue(flag1, true, 'value of `flag1`');
assert.sameValue(y, 1, 'value of `y`');
assert.sameValue(flag2, false, 'value of `flag2`');
counter += 1;
}
assert.sameValue(counter, 1);
reportCompare(0, 0);
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