test262/test/language/expressions/async-generator/dstr/named-dflt-ary-ptrn-rest-init-ary.js

// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-init-ary.case
// - src/dstr-binding/default/async-gen-func-named-expr-dflt.template
/*---
description: Rest element (nested array pattern) does not support initializer (async generator named function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
negative:
  phase: parse
  type: SyntaxError
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
    ArrayBindingPattern[Yield] :
        [ Elisionopt BindingRestElement[?Yield]opt ]
        [ BindingElementList[?Yield] ]
        [ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
---*/
$DONOTEVALUATE();


var callCount = 0;
var f;
f = async function* h([...[ x ] = []] = []) {
  
  callCount = callCount + 1;
};

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