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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/ */
// Check surface features of the Reflect object.
assertEq(typeof Reflect, 'object');
assertEq(Object.getPrototypeOf(Reflect), Object.prototype);
assertEq(Reflect.toString(), '[object Reflect]');
assertThrowsInstanceOf(() => new Reflect, TypeError);
var desc = Object.getOwnPropertyDescriptor(this, "Reflect");
assertEq(desc.enumerable, false);
assertEq(desc.configurable, true);
assertEq(desc.writable, true);
for (const name in Reflect)
throw new Error("Reflect should not have any enumerable properties");
// The name and length of all the standard Reflect methods.
var methods = {
apply: 3,
construct: 2,
defineProperty: 3,
deleteProperty: 2,
get: 2,
getOwnPropertyDescriptor: 2,
getPrototypeOf: 1,
has: 2,
isExtensible: 1,
ownKeys: 1,
preventExtensions: 1,
set: 3,
setPrototypeOf: 2
};
// Check that all Reflect properties are listed above.
for (const name of Reflect.ownKeys(Reflect)) {
// If this assertion fails, congratulations on implementing a new Reflect feature!
// Add it to the list of methods above.
if (typeof name !== "symbol" && name !== "parse")
assertEq(name in methods, true, `unexpected property found: Reflect.${name}`);
}
// Check the .length and property attributes of each Reflect method.
for (const name of Object.keys(methods)) {
var desc = Object.getOwnPropertyDescriptor(Reflect, name);
assertEq(desc.enumerable, false);
assertEq(desc.configurable, true);
assertEq(desc.writable, true);
var f = desc.value;
assertEq(typeof f, "function");
assertEq(f.length, methods[name]);
}
// Check that the SpiderMonkey "resolve hook" mechanism does not resurrect the
// Reflect property once it is deleted.
delete this.Reflect;
assertEq("Reflect" in this, false);
reportCompare(0, 0);
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