// This file was procedurally generated from the following sources:
// - src/dstr-binding/obj-ptrn-rest-obj-nested-rest.case
// - src/dstr-binding/default/gen-func-expr-dflt.template
/*---
description: When DestructuringAssignmentTarget is an object literal, it should be parsed parsed as a DestructuringAssignmentPattern and evaluated as a destructuring assignment and object rest desconstruction is allowed in that case. (generator function expression (default parameter))
esid: sec-generator-function-definitions-runtime-semantics-evaluation
es6id: 14.4.14
features: [destructuring-binding, default-parameters]
flags: [generated]
includes: [propertyHelper.js]
info: |
    GeneratorExpression : function * ( FormalParameters ) { GeneratorBody }

        [...]
        3. Let closure be GeneratorFunctionCreate(Normal, FormalParameters,
           GeneratorBody, 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.
    [...]
---*/

var callCount = 0;
var f;
f = function*({a, b, ...{c, ...rest}} = {a: 1, b: 2, c: 3, d: 4, e: 5}) {
  assert.sameValue(a, 1);
  assert.sameValue(b, 2);
  assert.sameValue(c, 3);

  assert.sameValue(rest.d, 4);
  assert.sameValue(rest.e, 5);

  verifyEnumerable(rest, "d");
  verifyWritable(rest, "d");
  verifyConfigurable(rest, "d");

  verifyEnumerable(rest, "e");
  verifyWritable(rest, "e");
  verifyConfigurable(rest, "e");

  callCount = callCount + 1;
};

f().next();
assert.sameValue(callCount, 1, 'generator function invoked exactly once');