// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
// - src/dstr-binding/default/meth-dflt.template
/*---
description: Destructuring initializer with a "hole" (method (default parameter))
esid: sec-runtime-semantics-definemethod
features: [destructuring-binding, default-parameters]
flags: [generated]
info: |
    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }

    [...]
    6. Let closure be FunctionCreate(kind, StrictFormalParameters,
       FunctionBody, scope, strict). If functionPrototype was passed as a
       parameter then pass its value as the functionPrototype optional argument
       of FunctionCreate.
    [...]

    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
    [...] 6. If Initializer is present and v is undefined, then
       a. Let defaultValue be the result of evaluating Initializer.
       b. Let v be GetValue(defaultValue).
       [...]
    7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
---*/

var callCount = 0;
var obj = {
  method([x = 23] = [,]) {
    assert.sameValue(x, 23);
    // another statement
    callCount = callCount + 1;
  }
};

obj.method();
assert.sameValue(callCount, 1, 'method invoked exactly once');
