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load("test-common.js");
try {
assert(Reflect.defineProperty.length === 3);
[null, undefined, "foo", 123, NaN, Infinity].forEach(value => {
assertThrowsError(() => {
Reflect.defineProperty(value);
}, {
error: TypeError,
message: "First argument of Reflect.defineProperty() must be an object"
});
assertThrowsError(() => {
Reflect.defineProperty({}, "foo", value);
}, {
error: TypeError,
message: "Descriptor argument is not an object"
});
});
var o = {};
assert(Reflect.defineProperty(o, "foo", { value: 1, writable: false, enumerable: false }) === true);
assert(o.foo === 1);
o.foo = 2;
assert(o.foo === 1);
assert(Reflect.defineProperty(o, "bar", { value: "hi", writable: true, enumerable: true }) === true);
assert(o.bar === "hi");
o.bar = "ho";
assert(o.bar === "ho");
assert(Reflect.defineProperty(o, "bar", { value: "xx", enumerable: false }) === false);
var d = Reflect.getOwnPropertyDescriptor(o, "foo");
assert(d.configurable === false);
assert(d.enumerable === false);
assert(d.writable === false);
assert(d.value === 1);
d = Reflect.getOwnPropertyDescriptor(o, "bar");
assert(d.configurable === false);
assert(d.enumerable === true);
assert(d.writable === true);
assert(d.value === "ho");
assert(Reflect.defineProperty(o, "baz", { value: 9, configurable: true, writable: false }) === true);
assert(Reflect.defineProperty(o, "baz", { configurable: true, writable: true }) === true);
d = Reflect.getOwnPropertyDescriptor(o, "baz");
assert(d.configurable === true);
assert(d.writable === true);
assert(d.value === 9);
console.log("PASS");
} catch (e) {
console.log("FAIL: " + e);
}
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