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32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-assignment/array-rest-nested-obj-undefined.case
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// - src/dstr-assignment/default/assignment-expr.template
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/*---
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description: When DestructuringAssignmentTarget is an obect literal and the iterable is emits no values, an empty array should be used as the value of the nested DestructuringAssignment. (AssignmentExpression)
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esid: sec-variable-statement-runtime-semantics-evaluation
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features: [destructuring-binding]
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flags: [generated]
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info: |
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VariableDeclaration : BindingPattern Initializer
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1. Let rhs be the result of evaluating Initializer.
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2. Let rval be GetValue(rhs).
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3. ReturnIfAbrupt(rval).
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4. Return the result of performing BindingInitialization for
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BindingPattern passing rval and undefined as arguments.
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---*/
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var x = null;
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// Use the the top-level lexical scope for 'length' to provide compatibility with browsers
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// where length and name are properties of WindowProxy
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let length;
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var result;
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var vals = [];
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result = [...{ 0: x, length }] = vals;
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assert.sameValue(x, undefined);
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assert.sameValue(length, 0);
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assert.sameValue(result, vals);
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