Source code
Revision control
Copy as Markdown
Other Tools
// This file was procedurally generated from the following sources:
// - src/spread/obj-getter-descriptor.case
// - src/spread/default/member-expr.template
/*---
description: Spread operation with getter results in data property descriptor (`new` operator)
esid: sec-new-operator-runtime-semantics-evaluation
features: [object-spread]
flags: [generated]
includes: [propertyHelper.js]
info: |
MemberExpression : new MemberExpression Arguments
1. Return EvaluateNew(MemberExpression, Arguments).
12.3.3.1.1 Runtime Semantics: EvaluateNew
6. If arguments is empty, let argList be an empty List.
7. Else,
a. Let argList be ArgumentListEvaluation of arguments.
[...]
Pending Runtime Semantics: PropertyDefinitionEvaluation
PropertyDefinition:...AssignmentExpression
1. Let exprValue be the result of evaluating AssignmentExpression.
2. Let fromValue be GetValue(exprValue).
3. ReturnIfAbrupt(fromValue).
4. Let excludedNames be a new empty List.
5. Return CopyDataProperties(object, fromValue, excludedNames).
---*/
let o = {
get a() {
return 42;
}
};
var callCount = 0;
new function(obj) {
assert.sameValue(obj.c, 4);
assert.sameValue(obj.d, 5);
assert.sameValue(Object.keys(obj).length, 3);
verifyProperty(obj, "a", {
enumerable: true,
writable: true,
configurable: true,
value: 42
});
callCount += 1;
}({...o, c: 4, d: 5});
assert.sameValue(callCount, 1);
reportCompare(0, 0);