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// This file was procedurally generated from the following sources:
// - src/dstr-binding/obj-ptrn-prop-ary-init.case
// - src/dstr-binding/default/arrow-function.template
/*---
description: Object binding pattern with "nested" array binding pattern using initializer (arrow function expression)
esid: sec-arrow-function-definitions-runtime-semantics-evaluation
es6id: 14.2.16
features: [destructuring-binding]
flags: [generated]
info: |
ArrowFunction : ArrowParameters => ConciseBody
[...]
4. Let closure be FunctionCreate(Arrow, parameters, ConciseBody, 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;
var f;
f = ({ w: [x, y, z] = [4, 5, 6] }) => {
assert.sameValue(x, 4);
assert.sameValue(y, 5);
assert.sameValue(z, 6);
assert.throws(ReferenceError, function() {
w;
});
callCount = callCount + 1;
};
f({});
assert.sameValue(callCount, 1, 'arrow function invoked exactly once');
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