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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/ */
var symbols = [
Symbol(),
Symbol("one"),
Symbol.for("two"),
Symbol.iterator,
Object(Symbol())
];
for (var sym of symbols) {
var obj = {};
// access a nonexistent property
assertEq(sym in obj, false);
assertEq(obj.hasOwnProperty(sym), false);
assertEq(obj[sym], undefined);
assertEq(typeof obj[sym], "undefined");
assertEq(Object.getOwnPropertyDescriptor(obj, sym), undefined);
// assign, then try accessing again
obj[sym] = "ok";
assertEq(sym in obj, true);
assertEq(obj.hasOwnProperty(sym), true);
assertEq(obj[sym], "ok");
assertDeepEq(Object.getOwnPropertyDescriptor(obj, sym), {
value: "ok",
writable: true,
enumerable: true,
configurable: true
});
// assign again, observe value is overwritten
obj[sym] = 12;
assertEq(obj[sym], 12);
// increment
assertEq(obj[sym]++, 12);
assertEq(obj[sym], 13);
}
if (typeof reportCompare === "function")
reportCompare(0, 0);
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