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// This file was procedurally generated from the following sources:
// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
// - src/dstr-binding/default/func-decl-dflt.template
/*---
description: SingleNameBinding assigns name to "anonymous" generator functions (function declaration (default parameter))
esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
features: [generators, destructuring-binding, default-parameters]
flags: [generated]
info: |
FunctionDeclaration :
function BindingIdentifier ( FormalParameters ) { FunctionBody }
[...]
3. Let F be FunctionCreate(Normal, FormalParameters, FunctionBody,
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.
[...]
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
---*/
var callCount = 0;
function f({ gen = function* () {}, xGen = function* x() {} } = {}) {
assert.sameValue(gen.name, 'gen');
assert.notSameValue(xGen.name, 'xGen');
callCount = callCount + 1;
};
f();
assert.sameValue(callCount, 1, 'function invoked exactly once');
reportCompare(0, 0);
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