1"use strict";
2// https://webidl.spec.whatwg.org/#es-namespaces
3// https://console.spec.whatwg.org/#console-namespace
4
5test(() => {
6  assert_own_property(console, Symbol.toStringTag);
7
8  const propDesc = Object.getOwnPropertyDescriptor(console, Symbol.toStringTag);
9  assert_equals(propDesc.value, "console", "value");
10  assert_equals(propDesc.writable, false, "writable");
11  assert_equals(propDesc.enumerable, false, "enumerable");
12  assert_equals(propDesc.configurable, true, "configurable");
13}, "@@toStringTag exists on the namespace object with the appropriate descriptor");
14
15test(() => {
16  assert_equals(console.toString(), "[object console]");
17  assert_equals(Object.prototype.toString.call(console), "[object console]");
18}, "Object.prototype.toString applied to the namespace object");
19
20test(t => {
21  assert_own_property(console, Symbol.toStringTag, "Precondition: @@toStringTag on the namespace object");
22  t.add_cleanup(() => {
23    Object.defineProperty(console, Symbol.toStringTag, { value: "console" });
24  });
25
26  Object.defineProperty(console, Symbol.toStringTag, { value: "Test" });
27  assert_equals(console.toString(), "[object Test]");
28  assert_equals(Object.prototype.toString.call(console), "[object Test]");
29}, "Object.prototype.toString applied after modifying the namespace object's @@toStringTag");
30
31test(t => {
32  assert_own_property(console, Symbol.toStringTag, "Precondition: @@toStringTag on the namespace object");
33  t.add_cleanup(() => {
34    Object.defineProperty(console, Symbol.toStringTag, { value: "console" });
35  });
36
37  assert_true(delete console[Symbol.toStringTag]);
38  assert_equals(console.toString(), "[object Object]");
39  assert_equals(Object.prototype.toString.call(console), "[object Object]");
40}, "Object.prototype.toString applied after deleting @@toStringTag");
41