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// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
// - src/dstr-binding/error/async-gen-func-expr.template
/*---
description: Error forwarding when IteratorValue returns an abrupt completion (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [Symbol.iterator, async-iteration]
flags: [generated]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
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;
}
};
};
var f;
f = async function*([x]) {
};
assert.throws(Test262Error, function() {
f(g);
});
|
