Source code
Revision control
Copy as Markdown
Other Tools
// This file was procedurally generated from the following sources:
// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
// - src/dstr-binding/default/meth-dflt.template
/*---
description: Trailing comma is allowed following BindingPropertyList (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 Destructuring Binding Patterns
ObjectBindingPattern[Yield] :
{ }
{ BindingPropertyList[?Yield] }
{ BindingPropertyList[?Yield] , }
---*/
var callCount = 0;
var obj = {
method({ x: y, } = { x: 23 }) {
assert.sameValue(y, 23);
assert.throws(ReferenceError, function() {
x;
});
callCount = callCount + 1;
}
};
obj.method();
assert.sameValue(callCount, 1, 'method invoked exactly once');
reportCompare(0, 0);