blob: cf56082ecae7f1d2c685565e987b4545548b89d9 [file] [log] [blame]
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
// - src/dstr-binding/default/func-expr-dflt.template
/*---
description: BindingElement with array binding pattern and initializer is not used (function expression (default parameter))
esid: sec-function-definitions-runtime-semantics-evaluation
features: [destructuring-binding, default-parameters]
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
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
var f;
f = function([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
assert.sameValue(x, 7);
assert.sameValue(y, 8);
assert.sameValue(z, 9);
callCount = callCount + 1;
};
f();
assert.sameValue(callCount, 1, 'function invoked exactly once');