mirror of https://github.com/tc39/test262.git
63 lines
1.9 KiB
JavaScript
63 lines
1.9 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/params/dflt-ref-self.case
|
|
// - src/params/error/func-decl.template
|
|
/*---
|
|
description: Referencing a parameter from within its own initializer (function declaration)
|
|
esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
|
|
features: [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.
|
|
[...]
|
|
|
|
14.1.19 Runtime Semantics: IteratorBindingInitialization
|
|
|
|
FormalsList : FormalsList , FormalParameter
|
|
|
|
1. Let status be the result of performing IteratorBindingInitialization for
|
|
FormalsList using iteratorRecord and environment as the arguments.
|
|
2. ReturnIfAbrupt(status).
|
|
3. Return the result of performing IteratorBindingInitialization for
|
|
FormalParameter using iteratorRecord and environment as the arguments.
|
|
|
|
---*/
|
|
var x = 0;
|
|
|
|
var callCount = 0;
|
|
function f(x = x) {
|
|
|
|
callCount = callCount + 1;
|
|
}
|
|
assert.throws(ReferenceError, function() {
|
|
f();
|
|
});
|
|
assert.sameValue(callCount, 0, 'function body not evaluated');
|