mirror of https://github.com/tc39/test262.git
48 lines
1.5 KiB
JavaScript
48 lines
1.5 KiB
JavaScript
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// This file was procedurally generated from the following sources:
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// - src/dstr-assignment/obj-rest-to-property-with-setter.case
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// - src/dstr-assignment/default/for-of.template
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/*---
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description: When DestructuringAssignmentTarget is an object property setter, its value should be binded as rest object. (For..of statement)
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esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
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features: [object-rest, destructuring-binding]
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flags: [generated]
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info: |
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IterationStatement :
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for ( LeftHandSideExpression of AssignmentExpression ) Statement
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1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
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AssignmentExpression, iterate).
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2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
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keyResult, assignment, labelSet).
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13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
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[...]
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4. If destructuring is true and if lhsKind is assignment, then
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a. Assert: lhs is a LeftHandSideExpression.
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b. Let assignmentPattern be the parse of the source text corresponding to
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lhs using AssignmentPattern as the goal symbol.
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[...]
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---*/
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var settedValue;
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var executedGetter = false;
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var src = {
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get y() { executedGetter = true; },
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set y(v) {
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settedValue = v;
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}
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}
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src.y = undefined;
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var counter = 0;
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for ({...src.y} of [{ x: 1, y: 2}]) {
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assert.sameValue(settedValue.x, 1);
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assert.sameValue(settedValue.y, 2);
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assert(!executedGetter, "The property should not be accessed");
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counter += 1;
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}
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assert.sameValue(counter, 1);
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