File: dstr-named-dflt-obj-ptrn-prop-id-trailing-comma.js

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// This file was procedurally generated from the following sources:
// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
// - src/dstr-binding/default/async-gen-func-named-expr-dflt.template
/*---
description: Trailing comma is allowed following BindingPropertyList (async generator named function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
    AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier
        ( FormalParameters ) { AsyncGeneratorBody }

        [...]
        7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
           AsyncGeneratorBody, funcEnv, strict).
        [...]


    13.3.3 Destructuring Binding Patterns

    ObjectBindingPattern[Yield] :
        { }
        { BindingPropertyList[?Yield] }
        { BindingPropertyList[?Yield] , }
---*/


var callCount = 0;
var f;
f = async function* h({ x: y, } = { x: 23 }) {
  assert.sameValue(y, 23);

  assert.throws(ReferenceError, function() {
    x;
  });
  callCount = callCount + 1;
};

f().next().then(() => {
    assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);