test262/test/language/statements/function/dstr-obj-ptrn-rest-nested-o...

55 lines
1.7 KiB
JavaScript

// This file was procedurally generated from the following sources:
// - src/dstr-binding/obj-ptrn-rest-nested-obj.case
// - src/dstr-binding/default/func-decl.template
/*---
description: When DestructuringAssignmentTarget is an object literal, it should be parsed parsed as a DestructuringAssignmentPattern and evaluated as a destructuring assignment. (function declaration)
esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
es6id: 14.1.19
features: [object-rest, destructuring-binding]
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.
[...]
---*/
var obj = {a: 3, b: 4};
var callCount = 0;
function f({a, b, ...{c, e}}) {
assert.sameValue(a, 1);
assert.sameValue(b, 2);
assert.sameValue(c, 3);
assert.sameValue(e, 5);
callCount = callCount + 1;
};
f({a: 1, b: 2, c: 3, d: 4, e: 5});
assert.sameValue(callCount, 1, 'function invoked exactly once');