8065804: JEP 171: Clarifications/corrections for fence intrinsics
Reviewed-by: dholmes, shade, dl, psandoz
/*
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*
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/**
* JDK-8042364: Make __proto__ ES6 draft compliant
*
* @test
* @run
*/
// check for Object.prototype.__proto__ accessor property
print("Object.prototype has __proto__?",
Object.prototype.hasOwnProperty("__proto__"))
var desc = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__")
print("descriptor");
print(JSON.stringify(desc))
print("getter", desc.get)
print("setter", desc.set)
// no computed "__proto__" name, only identifier!
var p = {}
var obj = {
"__proto__" : p
}
if (Object.getPrototypeOf(obj) === p) {
fail("obj has wrong __proto__, allows computed __proto__!")
}
if (obj.__proto__ !== p) {
fail("__proto__ not created as normal property!")
}
if (Object.getPrototypeOf(obj) !== Object.prototype) {
fail("obj has wrong __proto__")
}
var obj2 = {
__proto__: p
}
if (Object.getPrototypeOf(obj2) !== p) {
fail("can't set __proto__ in object literal")
}