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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { unitTest, assert } from "./test_util.ts";
unitTest(function globalThisExists(): void {
assert(globalThis != null);
});
unitTest(function windowExists(): void {
assert(window != null);
});
unitTest(function selfExists(): void {
assert(self != null);
});
unitTest(function windowWindowExists(): void {
assert(window.window === window);
});
unitTest(function windowSelfExists(): void {
assert(window.self === window);
});
unitTest(function globalThisEqualsWindow(): void {
assert(globalThis === window);
});
unitTest(function globalThisEqualsSelf(): void {
assert(globalThis === self);
});
unitTest(function DenoNamespaceExists(): void {
assert(Deno != null);
});
unitTest(function DenoNamespaceEqualsWindowDeno(): void {
assert(Deno === window.Deno);
});
unitTest(function DenoNamespaceIsFrozen(): void {
assert(Object.isFrozen(Deno));
});
unitTest(function webAssemblyExists(): void {
assert(typeof WebAssembly.compile === "function");
});
/* eslint-disable @typescript-eslint/no-namespace, @typescript-eslint/no-explicit-any,no-var */
declare global {
// deno-lint-ignore no-namespace
namespace Deno {
// deno-lint-ignore no-explicit-any
var core: any;
}
}
/* eslint-enable */
unitTest(function DenoNamespaceImmutable(): void {
const denoCopy = window.Deno;
try {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
(Deno as any) = 1;
} catch {
// pass
}
assert(denoCopy === Deno);
try {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
(window as any).Deno = 1;
} catch {
// pass
}
assert(denoCopy === Deno);
try {
delete window.Deno;
} catch {
// pass
}
assert(denoCopy === Deno);
const { readFile } = Deno;
try {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
(Deno as any).readFile = 1;
} catch {
// pass
}
assert(readFile === Deno.readFile);
try {
delete window.Deno.readFile;
} catch {
// pass
}
assert(readFile === Deno.readFile);
const { print } = Deno.core;
try {
Deno.core.print = 1;
} catch {
// pass
}
assert(print === Deno.core.print);
try {
delete Deno.core.print;
} catch {
// pass
}
assert(print === Deno.core.print);
});
unitTest(async function windowQueueMicrotask(): Promise<void> {
let resolve1: () => void | undefined;
let resolve2: () => void | undefined;
let microtaskDone = false;
const p1 = new Promise((res): void => {
resolve1 = (): void => {
microtaskDone = true;
res();
};
});
const p2 = new Promise((res): void => {
resolve2 = (): void => {
assert(microtaskDone);
res();
};
});
window.queueMicrotask(resolve1!);
setTimeout(resolve2!, 0);
await p1;
await p2;
});
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