test262/test/language/expressions/call/spread-obj-manipulate-outte...

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2017-03-13 16:01:26 +01:00
// This file was procedurally generated from the following sources:
// - src/spread/obj-manipulate-outter-obj-in-getter.case
// - src/spread/default/call-expr.template
/*---
description: Getter manipulates outter object before it's spread operation (CallExpression)
esid: sec-function-calls-runtime-semantics-evaluation
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features: [object-spread]
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flags: [generated]
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).
---*/
var o = { a: 0, b: 1 };
var cthulhu = { get x() {
delete o.a;
o.b = 42;
o.c = "ni";
}};
var callCount = 0;
(function(obj) {
assert.sameValue(obj.hasOwnProperty("a"), false);
assert.sameValue(obj.b, 42);
assert.sameValue(obj.c, "ni");
assert(obj.hasOwnProperty("x"));
assert.sameValue(Object.keys(obj).length, 3);
callCount += 1;
}({...cthulhu, ...o}));
assert.sameValue(callCount, 1);