mirror of
https://github.com/tc39/test262.git
synced 2025-10-30 19:24:12 +01:00
72 lines
2.2 KiB
JavaScript
72 lines
2.2 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/dstr-binding/ary-name-iter-val.case
|
|
// - src/dstr-binding/default/func-expr.template
|
|
/*---
|
|
description: SingleNameBinding with normal value iteration (function expression)
|
|
esid: sec-function-definitions-runtime-semantics-evaluation
|
|
features: [destructuring-binding]
|
|
flags: [generated]
|
|
info: |
|
|
FunctionExpression : function ( FormalParameters ) { FunctionBody }
|
|
|
|
[...]
|
|
3. Let closure 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.
|
|
[...]
|
|
|
|
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
|
|
|
SingleNameBinding : BindingIdentifier Initializeropt
|
|
|
|
[...]
|
|
4. If iteratorRecord.[[done]] is false, then
|
|
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
|
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
|
|
c. ReturnIfAbrupt(next).
|
|
d. If next is false, set iteratorRecord.[[done]] to true.
|
|
e. Else,
|
|
[...]
|
|
i. Let v be IteratorValue(next).
|
|
ii. If v is an abrupt completion, set
|
|
iteratorRecord.[[done]] to true.
|
|
iii. ReturnIfAbrupt(v).
|
|
5. If iteratorRecord.[[done]] is true, let v be undefined.
|
|
[...]
|
|
8. Return InitializeReferencedBinding(lhs, v).
|
|
---*/
|
|
|
|
var callCount = 0;
|
|
var f;
|
|
f = function([x, y, z]) {
|
|
assert.sameValue(x, 1);
|
|
assert.sameValue(y, 2);
|
|
assert.sameValue(z, 3);
|
|
callCount = callCount + 1;
|
|
};
|
|
|
|
f([1, 2, 3]);
|
|
assert.sameValue(callCount, 1, 'function invoked exactly once');
|