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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { test, assert } from "./test_util.ts";
test(function globalThisExists(): void {
assert(globalThis != null);
});
test(function windowExists(): void {
assert(window != null);
});
test(function windowWindowExists(): void {
assert(window.window === window);
});
test(function globalThisEqualsWindow(): void {
assert(globalThis === window);
});
test(function DenoNamespaceExists(): void {
assert(Deno != null);
});
test(function DenoNamespaceEqualsWindowDeno(): void {
assert(Deno === window.Deno);
});
test(function DenoNamespaceIsFrozen(): void {
assert(Object.isFrozen(Deno));
});
test(function webAssemblyExists(): void {
assert(typeof WebAssembly.compile === "function");
});
test(function DenoNamespaceImmutable(): void {
const denoCopy = window.Deno;
try {
// @ts-ignore
Deno = 1;
} catch {}
assert(denoCopy === Deno);
try {
// @ts-ignore
window.Deno = 1;
} catch {}
assert(denoCopy === Deno);
try {
delete window.Deno;
} catch {}
assert(denoCopy === Deno);
const { readFile } = Deno;
try {
// @ts-ignore
Deno.readFile = 1;
} catch {}
assert(readFile === Deno.readFile);
try {
delete window.Deno.readFile;
} catch {}
assert(readFile === Deno.readFile);
// @ts-ignore
const { print } = Deno.core;
try {
// @ts-ignore
Deno.core.print = 1;
} catch {}
// @ts-ignore
assert(print === Deno.core.print);
try {
// @ts-ignore
delete Deno.core.print;
} catch {}
// @ts-ignore
assert(print === Deno.core.print);
});
test(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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