Strict mode Failing
Expected no error, got SyntaxError: warning: the variable "w" was not declared in anonymous function ""
Features:
- destructuring-binding
Expected no error, got SyntaxError: warning: the variable "w" was not declared in anonymous function ""
// This file was procedurally generated from the following sources:
// - src/dstr-binding/obj-ptrn-prop-obj-init.case
// - src/dstr-binding/default/func-decl.template
/*---
description: Object binding pattern with "nested" object binding pattern using initializer (function declaration)
esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
features: [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.
[...]
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
---*/
var callCount = 0;
function f({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
assert.sameValue(x, 4);
assert.sameValue(y, 5);
assert.sameValue(z, 6);
assert.throws(ReferenceError, function() {
w;
});
callCount = callCount + 1;
};
f({ w: undefined });
assert.sameValue(callCount, 1, 'function invoked exactly once');