mirror of https://github.com/tc39/test262.git
77 lines
2.2 KiB
JavaScript
77 lines
2.2 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
|
|
// - src/dstr-binding/error/func-decl.template
|
|
/*---
|
|
description: Error forwarding when IteratorValue returns an abrupt completion (function declaration)
|
|
esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
|
|
es6id: 14.1.19
|
|
features: [destructuring-binding]
|
|
flags: [generated]
|
|
info: |
|
|
FunctionDeclaration :
|
|
function BindingIdentifier ( FormalParameters ) { FunctionBody }
|
|
|
|
[...]
|
|
3. Let F be FunctionCreate(Normal, FormalParameters, FunctionBody,
|
|
scope, strict).
|
|
[...]
|
|
|
|
9.2.1 [[Call]] ( thisArgument, argumentsList)
|
|
|
|
[...]
|
|
7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
|
|
[...]
|
|
|
|
9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
|
|
|
|
1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
|
|
[...]
|
|
|
|
9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
|
|
|
|
[...]
|
|
23. Let iteratorRecord be Record {[[iterator]]:
|
|
CreateListIterator(argumentsList), [[done]]: false}.
|
|
24. If hasDuplicates is true, then
|
|
[...]
|
|
25. Else,
|
|
b. Let formalStatus be IteratorBindingInitialization for formals with
|
|
iteratorRecord and env as arguments.
|
|
[...]
|
|
|
|
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
|
|
|
SingleNameBinding : BindingIdentifier Initializeropt
|
|
|
|
[...]
|
|
4. If iteratorRecord.[[done]] is false, then
|
|
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
|
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
|
|
c. ReturnIfAbrupt(next).
|
|
d. If next is false, set iteratorRecord.[[done]] to true.
|
|
e. Else,
|
|
i. Let v be IteratorValue(next).
|
|
ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
|
|
true.
|
|
iii. ReturnIfAbrupt(v).
|
|
---*/
|
|
var poisonedValue = Object.defineProperty({}, 'value', {
|
|
get: function() {
|
|
throw new Test262Error();
|
|
}
|
|
});
|
|
var g = {};
|
|
g[Symbol.iterator] = function() {
|
|
return {
|
|
next: function() {
|
|
return poisonedValue;
|
|
}
|
|
};
|
|
};
|
|
|
|
function f([x]) {}
|
|
|
|
assert.throws(Test262Error, function() {
|
|
f(g);
|
|
});
|