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27 lines
1.1 KiB
JavaScript
27 lines
1.1 KiB
JavaScript
"use strict";
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// https://heycam.github.io/webidl/#es-namespaces
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// https://console.spec.whatwg.org/#console-namespace
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test(() => {
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assert_true(self.hasOwnProperty("console"));
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}, "console exists on the global object");
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test(() => {
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const propDesc = Object.getOwnPropertyDescriptor(self, "console");
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assert_equals(propDesc.writable, true, "must be writable");
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assert_equals(propDesc.enumerable, false, "must not be enumerable");
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assert_equals(propDesc.configurable, true, "must be configurable");
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assert_equals(propDesc.value, console, "must have the right value");
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}, "console has the right property descriptors");
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test(() => {
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assert_false("Console" in self);
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}, "Console (uppercase, as if it were an interface) must not exist");
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test(() => {
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const prototype1 = Object.getPrototypeOf(console);
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const prototype2 = Object.getPrototypeOf(prototype1);
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assert_equals(Object.getOwnPropertyNames(prototype1).length, 0, "The [[Prototype]] must have no properties");
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assert_equals(prototype2, Object.prototype, "The [[Prototype]]'s [[Prototype]] must be %ObjectPrototype%");
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}, "The prototype chain must be correct");
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