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124 lines
2.7 KiB
TypeScript
124 lines
2.7 KiB
TypeScript
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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// deno-lint-ignore-file no-window-prefix
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import { assert, unitTest } from "./test_util.ts";
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unitTest(function globalThisExists() {
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assert(globalThis != null);
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});
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unitTest(function noInternalGlobals() {
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// globalThis.__bootstrap should not be there.
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for (const key of Object.keys(globalThis)) {
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assert(!key.startsWith("_"));
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}
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});
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unitTest(function windowExists() {
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assert(window != null);
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});
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unitTest(function selfExists() {
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assert(self != null);
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});
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unitTest(function windowWindowExists() {
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assert(window.window === window);
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});
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unitTest(function windowSelfExists() {
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assert(window.self === window);
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});
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unitTest(function globalThisEqualsWindow() {
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assert(globalThis === window);
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});
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unitTest(function globalThisEqualsSelf() {
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assert(globalThis === self);
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});
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unitTest(function globalThisInstanceofWindow() {
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assert(globalThis instanceof Window);
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});
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unitTest(function globalThisConstructorLength() {
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assert(globalThis.constructor.length === 0);
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});
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unitTest(function globalThisInstanceofEventTarget() {
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assert(globalThis instanceof EventTarget);
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});
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unitTest(function navigatorInstanceofNavigator() {
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// TODO(nayeemrmn): Add `Navigator` to deno_lint globals.
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// deno-lint-ignore no-undef
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assert(navigator instanceof Navigator);
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});
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unitTest(function DenoNamespaceExists() {
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assert(Deno != null);
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});
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unitTest(function DenoNamespaceEqualsWindowDeno() {
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assert(Deno === window.Deno);
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});
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unitTest(function DenoNamespaceIsNotFrozen() {
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assert(!Object.isFrozen(Deno));
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});
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unitTest(function webAssemblyExists() {
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assert(typeof WebAssembly.compile === "function");
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});
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declare global {
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namespace Deno {
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// deno-lint-ignore no-explicit-any
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var core: any;
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}
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}
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unitTest(function DenoNamespaceConfigurable() {
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const desc = Object.getOwnPropertyDescriptor(globalThis, "Deno");
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assert(desc);
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assert(desc.configurable);
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assert(!desc.writable);
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});
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unitTest(function DenoCoreNamespaceIsImmutable() {
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const { print } = Deno.core;
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try {
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Deno.core.print = 1;
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} catch {
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// pass
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}
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assert(print === Deno.core.print);
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try {
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delete Deno.core.print;
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} catch {
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// pass
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}
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assert(print === Deno.core.print);
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});
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unitTest(async function windowQueueMicrotask() {
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let resolve1: () => void | undefined;
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let resolve2: () => void | undefined;
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let microtaskDone = false;
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const p1 = new Promise<void>((res) => {
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resolve1 = () => {
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microtaskDone = true;
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res();
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};
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});
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const p2 = new Promise<void>((res) => {
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resolve2 = () => {
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assert(microtaskDone);
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res();
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};
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});
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window.queueMicrotask(resolve1!);
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setTimeout(resolve2!, 0);
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await p1;
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await p2;
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});
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