src/third_party/mozjs-45/js/src/tests/ecma_6/Symbol/surfaces.js

/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/licenses/publicdomain/ */

// Test superficial properties of the Symbol constructor and prototype.

var desc = Object.getOwnPropertyDescriptor(this, "Symbol");
assertEq(desc.configurable, true);
assertEq(desc.enumerable, false);
assertEq(desc.writable, true);
assertEq(typeof Symbol, "function");
assertEq(Symbol.length, 0);

desc = Object.getOwnPropertyDescriptor(Symbol, "prototype");
assertEq(desc.configurable, false);
assertEq(desc.enumerable, false);
assertEq(desc.writable, false);

assertEq(Symbol.prototype.constructor, Symbol);
desc = Object.getOwnPropertyDescriptor(Symbol.prototype, "constructor");
assertEq(desc.configurable, true);
assertEq(desc.enumerable, false);
assertEq(desc.writable, true);

desc = Object.getOwnPropertyDescriptor(Symbol, "iterator");
assertEq(desc.configurable, false);
assertEq(desc.enumerable, false);
assertEq(desc.writable, false);

assertEq(Symbol.for.length, 1);
assertEq(Symbol.prototype.toString.length, 0);
assertEq(Symbol.prototype.valueOf.length, 0);

if (typeof reportCompare === "function")
    reportCompare(0, 0);