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// This file was procedurally generated from the following sources:
// - src/dstr-assignment/obj-prop-elem-init-fn-name-gen.case
// - src/dstr-assignment/default/for-of.template
/*---
description: Assignment of function `name` attribute (GeneratorExpression) (For..of statement)
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
features: [generators, destructuring-binding]
flags: [generated]
includes: [propertyHelper.js]
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.
[...]
AssignmentElement[Yield] : DestructuringAssignmentTarget Initializeropt
[...] 7. If Initializer is present and v is undefined and
IsAnonymousFunctionDefinition(Initializer) and IsIdentifierRef of
DestructuringAssignmentTarget are both true, then
a. Let hasNameProperty be HasOwnProperty(rhsValue, "name").
b. ReturnIfAbrupt(hasNameProperty).
c. If hasNameProperty is false, perform SetFunctionName(rhsValue,
GetReferencedName(lref)).
---*/
var xGen, gen;
var counter = 0;
for ({ x: xGen = function* x() {}, x: gen = function*() {} } of [{}]) {
assert.notSameValue(xGen.name, 'xGen');
verifyProperty(gen, 'name', {
enumerable: false,
writable: false,
configurable: true,
value: 'gen'
});
counter += 1;
}
assert.sameValue(counter, 1);
reportCompare(0, 0);
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