mirror of https://github.com/tc39/test262.git
55 lines
1.5 KiB
JavaScript
55 lines
1.5 KiB
JavaScript
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// This file was procedurally generated from the following sources:
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// - src/spread/obj-getter-descriptor.case
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// - src/spread/default/member-expr.template
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/*---
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description: Spread operation with getter results in data property descriptor (`new` operator)
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esid: sec-new-operator-runtime-semantics-evaluation
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es6id: 12.3.3.1
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flags: [generated]
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includes: [propertyHelper.js]
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info: |
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MemberExpression : new MemberExpression Arguments
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1. Return EvaluateNew(MemberExpression, Arguments).
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12.3.3.1.1 Runtime Semantics: EvaluateNew
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6. If arguments is empty, let argList be an empty List.
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7. Else,
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a. Let argList be ArgumentListEvaluation of arguments.
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[...]
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Pending Runtime Semantics: PropertyDefinitionEvaluation
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PropertyDefinition:...AssignmentExpression
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1. Let exprValue be the result of evaluating AssignmentExpression.
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2. Let fromValue be GetValue(exprValue).
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3. ReturnIfAbrupt(fromValue).
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4. Let excludedNames be a new empty List.
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5. Return CopyDataProperties(object, fromValue, excludedNames).
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---*/
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let o = {
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get a() {
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return 42;
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}
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};
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var callCount = 0;
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new function(obj) {
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assert.sameValue(Object.getOwnPropertyDescriptor(obj, "a").value, 42);
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assert.sameValue(obj.c, 4);
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assert.sameValue(obj.d, 5);
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assert.sameValue(Object.keys(obj).length, 3);
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verifyEnumerable(obj, "a");
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verifyWritable(obj, "a");
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verifyConfigurable(obj, "a");
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callCount += 1;
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}({...o, c: 4, d: 5});
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assert.sameValue(callCount, 1);
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