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54 lines
1.7 KiB
JavaScript
54 lines
1.7 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/obj-ptrn-prop-obj-value-undef.case
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// - src/dstr-binding/error/func-expr-dflt.template
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/*---
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description: Object binding pattern with "nested" object binding pattern taking the `null` value (function expression (default parameter))
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esid: sec-function-definitions-runtime-semantics-evaluation
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features: [destructuring-binding, default-parameters]
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flags: [generated]
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info: |
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FunctionExpression : function ( FormalParameters ) { FunctionBody }
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[...]
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3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody,
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scope, strict).
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[...]
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9.2.1 [[Call]] ( thisArgument, argumentsList)
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[...]
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7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
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[...]
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9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
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1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
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[...]
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9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
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[...]
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23. Let iteratorRecord be Record {[[iterator]]:
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CreateListIterator(argumentsList), [[done]]: false}.
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24. If hasDuplicates is true, then
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[...]
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25. Else,
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b. Let formalStatus be IteratorBindingInitialization for formals with
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iteratorRecord and env as arguments.
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[...]
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13.3.3.7 Runtime Semantics: KeyedBindingInitialization
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[...]
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3. If Initializer is present and v is undefined, then
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[...]
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4. Return the result of performing BindingInitialization for BindingPattern
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passing v and environment as arguments.
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---*/
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var f = function({ w: { x, y, z } = undefined } = { }) {};
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assert.throws(TypeError, function() {
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f();
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});
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