test262/test/language/expressions/call/spread-sngl-obj-ident.js

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// This file was procedurally generated from the following sources:
// - src/spread/sngl-obj-ident.case
// - src/spread/default/call-expr.template
/*---
description: Object Spread operator without other arguments (CallExpression)
esid: sec-function-calls-runtime-semantics-evaluation
es6id: 12.3.4.1
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features: [object-spread]
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flags: [generated]
includes: [propertyHelper.js]
info: |
CallExpression : MemberExpression Arguments
[...]
9. Return EvaluateDirectCall(func, thisValue, Arguments, tailCall).
12.3.4.3 Runtime Semantics: EvaluateDirectCall
1. Let argList be ArgumentListEvaluation(arguments).
[...]
6. Let result be Call(func, thisValue, argList).
[...]
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 = {c: 3, d: 4};
var callCount = 0;
(function(obj) {
assert.sameValue(obj.c, 3);
assert.sameValue(obj.d, 4);
assert.sameValue(Object.keys(obj).length, 2);
verifyEnumerable(obj, "c");
verifyWritable(obj, "c");
verifyConfigurable(obj, "c");
verifyEnumerable(obj, "d");
verifyWritable(obj, "d");
verifyConfigurable(obj, "d");
callCount += 1;
}({...o}));
assert.sameValue(callCount, 1);