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9dfebbc949
Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com> Co-authored-by: LE GOFF Vincent <g_n_s@hotmail.fr>
79 lines
1.6 KiB
TypeScript
79 lines
1.6 KiB
TypeScript
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import { test, assert } from "./test_util.ts";
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test(function globalThisExists(): void {
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assert(globalThis != null);
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});
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test(function windowExists(): void {
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assert(window != null);
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});
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test(function windowWindowExists(): void {
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assert(window.window === window);
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});
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test(function globalThisEqualsWindow(): void {
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// @ts-ignore (TypeScript thinks globalThis and window don't match)
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assert(globalThis === window);
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});
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test(function DenoNamespaceExists(): void {
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assert(Deno != null);
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});
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test(function DenoNamespaceEqualsWindowDeno(): void {
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assert(Deno === window.Deno);
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});
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test(function DenoNamespaceIsFrozen(): void {
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assert(Object.isFrozen(Deno));
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});
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test(function webAssemblyExists(): void {
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assert(typeof WebAssembly.compile === "function");
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});
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test(function DenoNamespaceImmutable(): void {
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const denoCopy = window.Deno;
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try {
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// @ts-ignore
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Deno = 1;
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} catch {}
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assert(denoCopy === Deno);
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try {
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// @ts-ignore
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window.Deno = 1;
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} catch {}
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assert(denoCopy === Deno);
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try {
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delete window.Deno;
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} catch {}
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assert(denoCopy === Deno);
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const { readFile } = Deno;
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try {
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// @ts-ignore
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Deno.readFile = 1;
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} catch {}
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assert(readFile === Deno.readFile);
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try {
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delete window.Deno.readFile;
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} catch {}
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assert(readFile === Deno.readFile);
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// @ts-ignore
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const { print } = Deno.core;
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try {
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// @ts-ignore
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Deno.core.print = 1;
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} catch {}
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// @ts-ignore
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assert(print === Deno.core.print);
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try {
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// @ts-ignore
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delete Deno.core.print;
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} catch {}
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// @ts-ignore
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assert(print === Deno.core.print);
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});
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