mirror of
https://github.com/denoland/deno.git
synced 2024-12-25 00:29:09 -05:00
10e4b2e140
Yearly tradition of creating extra noise in git.
729 lines
17 KiB
TypeScript
729 lines
17 KiB
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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import {
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assert,
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assertEquals,
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assertNotEquals,
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Deferred,
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deferred,
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delay,
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execCode,
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unreachable,
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} from "./test_util.ts";
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Deno.test(async function functionParameterBindingSuccess() {
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const promise = deferred();
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let count = 0;
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const nullProto = (newCount: number) => {
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count = newCount;
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promise.resolve();
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};
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Reflect.setPrototypeOf(nullProto, null);
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setTimeout(nullProto, 500, 1);
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await promise;
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// count should be reassigned
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assertEquals(count, 1);
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});
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Deno.test(async function stringifyAndEvalNonFunctions() {
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// eval can only access global scope
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const global = globalThis as unknown as {
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globalPromise: ReturnType<typeof deferred>;
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globalCount: number;
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};
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global.globalPromise = deferred();
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global.globalCount = 0;
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const notAFunction =
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"globalThis.globalCount++; globalThis.globalPromise.resolve();" as unknown as () =>
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void;
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setTimeout(notAFunction, 500);
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await global.globalPromise;
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// count should be incremented
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assertEquals(global.globalCount, 1);
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Reflect.deleteProperty(global, "globalPromise");
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Reflect.deleteProperty(global, "globalCount");
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});
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Deno.test(async function timeoutSuccess() {
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const promise = deferred();
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let count = 0;
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setTimeout(() => {
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count++;
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promise.resolve();
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}, 500);
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await promise;
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// count should increment
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assertEquals(count, 1);
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});
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Deno.test(async function timeoutEvalNoScopeLeak() {
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// eval can only access global scope
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const global = globalThis as unknown as {
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globalPromise: Deferred<Error>;
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};
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global.globalPromise = deferred();
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setTimeout(
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`
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try {
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console.log(core);
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globalThis.globalPromise.reject(new Error("Didn't throw."));
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} catch (error) {
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globalThis.globalPromise.resolve(error);
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}` as unknown as () => void,
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0,
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);
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const error = await global.globalPromise;
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assertEquals(error.name, "ReferenceError");
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Reflect.deleteProperty(global, "globalPromise");
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});
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Deno.test(async function evalPrimordial() {
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const global = globalThis as unknown as {
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globalPromise: ReturnType<typeof deferred>;
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};
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global.globalPromise = deferred();
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const originalEval = globalThis.eval;
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let wasCalled = false;
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globalThis.eval = (argument) => {
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wasCalled = true;
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return originalEval(argument);
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};
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setTimeout(
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"globalThis.globalPromise.resolve();" as unknown as () => void,
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0,
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);
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await global.globalPromise;
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assert(!wasCalled);
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Reflect.deleteProperty(global, "globalPromise");
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globalThis.eval = originalEval;
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});
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Deno.test(async function timeoutArgs() {
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const promise = deferred();
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const arg = 1;
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let capturedArgs: unknown[] = [];
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setTimeout(
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function () {
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capturedArgs = [...arguments];
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promise.resolve();
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},
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10,
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arg,
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arg.toString(),
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[arg],
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);
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await promise;
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assertEquals(capturedArgs, [
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arg,
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arg.toString(),
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[arg],
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]);
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});
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Deno.test(async function timeoutCancelSuccess() {
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let count = 0;
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const id = setTimeout(() => {
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count++;
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}, 1);
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// Cancelled, count should not increment
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clearTimeout(id);
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await delay(600);
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assertEquals(count, 0);
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});
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Deno.test(async function timeoutCancelMultiple() {
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function uncalled(): never {
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throw new Error("This function should not be called.");
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}
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// Set timers and cancel them in the same order.
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const t1 = setTimeout(uncalled, 10);
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const t2 = setTimeout(uncalled, 10);
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const t3 = setTimeout(uncalled, 10);
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clearTimeout(t1);
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clearTimeout(t2);
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clearTimeout(t3);
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// Set timers and cancel them in reverse order.
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const t4 = setTimeout(uncalled, 20);
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const t5 = setTimeout(uncalled, 20);
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const t6 = setTimeout(uncalled, 20);
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clearTimeout(t6);
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clearTimeout(t5);
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clearTimeout(t4);
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// Sleep until we're certain that the cancelled timers aren't gonna fire.
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await delay(50);
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});
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Deno.test(async function timeoutCancelInvalidSilentFail() {
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// Expect no panic
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const promise = deferred();
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let count = 0;
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const id = setTimeout(() => {
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count++;
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// Should have no effect
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clearTimeout(id);
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promise.resolve();
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}, 500);
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await promise;
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assertEquals(count, 1);
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// Should silently fail (no panic)
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clearTimeout(2147483647);
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});
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Deno.test(async function intervalSuccess() {
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const promise = deferred();
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let count = 0;
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const id = setInterval(() => {
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count++;
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clearInterval(id);
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promise.resolve();
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}, 100);
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await promise;
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// Clear interval
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clearInterval(id);
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// count should increment twice
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assertEquals(count, 1);
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// Similar false async leaking alarm.
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// Force next round of polling.
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await delay(0);
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});
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Deno.test(async function intervalCancelSuccess() {
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let count = 0;
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const id = setInterval(() => {
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count++;
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}, 1);
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clearInterval(id);
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await delay(500);
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assertEquals(count, 0);
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});
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Deno.test(async function intervalOrdering() {
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const timers: number[] = [];
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let timeouts = 0;
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function onTimeout() {
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++timeouts;
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for (let i = 1; i < timers.length; i++) {
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clearTimeout(timers[i]);
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}
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}
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for (let i = 0; i < 10; i++) {
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timers[i] = setTimeout(onTimeout, 1);
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}
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await delay(500);
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assertEquals(timeouts, 1);
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});
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Deno.test(function intervalCancelInvalidSilentFail() {
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// Should silently fail (no panic)
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clearInterval(2147483647);
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});
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Deno.test(async function callbackTakesLongerThanInterval() {
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const promise = deferred();
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let timeEndOfFirstCallback: number | undefined;
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const interval = setInterval(() => {
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if (timeEndOfFirstCallback === undefined) {
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// First callback
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Atomics.wait(new Int32Array(new SharedArrayBuffer(4)), 0, 0, 300);
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timeEndOfFirstCallback = Date.now();
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} else {
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// Second callback
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assert(Date.now() - 100 >= timeEndOfFirstCallback);
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clearInterval(interval);
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promise.resolve();
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}
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}, 100);
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await promise;
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});
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// https://github.com/denoland/deno/issues/11398
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Deno.test(async function clearTimeoutAfterNextTimerIsDue1() {
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const promise = deferred();
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setTimeout(() => {
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promise.resolve();
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}, 300);
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const interval = setInterval(() => {
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Atomics.wait(new Int32Array(new SharedArrayBuffer(4)), 0, 0, 400);
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// Both the interval and the timeout's due times are now in the past.
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clearInterval(interval);
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}, 100);
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await promise;
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});
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// https://github.com/denoland/deno/issues/11398
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Deno.test(async function clearTimeoutAfterNextTimerIsDue2() {
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const promise = deferred();
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const timeout1 = setTimeout(unreachable, 100);
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setTimeout(() => {
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promise.resolve();
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}, 200);
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Atomics.wait(new Int32Array(new SharedArrayBuffer(4)), 0, 0, 300);
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// Both of the timeouts' due times are now in the past.
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clearTimeout(timeout1);
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await promise;
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});
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Deno.test(async function fireCallbackImmediatelyWhenDelayOverMaxValue() {
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let count = 0;
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setTimeout(() => {
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count++;
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}, 2 ** 31);
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await delay(1);
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assertEquals(count, 1);
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});
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Deno.test(async function timeoutCallbackThis() {
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const promise = deferred();
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let capturedThis: unknown;
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const obj = {
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foo() {
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capturedThis = this;
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promise.resolve();
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},
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};
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setTimeout(obj.foo, 1);
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await promise;
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assertEquals(capturedThis, window);
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});
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Deno.test(async function timeoutBindThis() {
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const thisCheckPassed = [null, undefined, window, globalThis];
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const thisCheckFailed = [
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0,
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"",
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true,
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false,
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{},
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[],
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"foo",
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() => {},
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Object.prototype,
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];
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for (const thisArg of thisCheckPassed) {
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const resolvable = deferred();
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let hasThrown = 0;
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try {
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setTimeout.call(thisArg, () => resolvable.resolve(), 1);
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hasThrown = 1;
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} catch (err) {
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if (err instanceof TypeError) {
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hasThrown = 2;
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} else {
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hasThrown = 3;
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}
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}
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await resolvable;
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assertEquals(hasThrown, 1);
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}
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for (const thisArg of thisCheckFailed) {
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let hasThrown = 0;
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try {
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setTimeout.call(thisArg, () => {}, 1);
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hasThrown = 1;
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} catch (err) {
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if (err instanceof TypeError) {
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hasThrown = 2;
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} else {
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hasThrown = 3;
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}
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}
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assertEquals(hasThrown, 2);
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}
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});
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Deno.test(function clearTimeoutShouldConvertToNumber() {
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let called = false;
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const obj = {
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valueOf(): number {
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called = true;
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return 1;
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},
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};
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clearTimeout((obj as unknown) as number);
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assert(called);
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});
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Deno.test(function setTimeoutShouldThrowWithBigint() {
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let hasThrown = 0;
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try {
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setTimeout(() => {}, (1n as unknown) as number);
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hasThrown = 1;
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} catch (err) {
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if (err instanceof TypeError) {
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hasThrown = 2;
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} else {
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hasThrown = 3;
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}
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}
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assertEquals(hasThrown, 2);
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});
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Deno.test(function clearTimeoutShouldThrowWithBigint() {
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let hasThrown = 0;
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try {
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clearTimeout((1n as unknown) as number);
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hasThrown = 1;
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} catch (err) {
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if (err instanceof TypeError) {
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hasThrown = 2;
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} else {
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hasThrown = 3;
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}
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}
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assertEquals(hasThrown, 2);
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});
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Deno.test(function testFunctionName() {
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assertEquals(clearTimeout.name, "clearTimeout");
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assertEquals(clearInterval.name, "clearInterval");
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});
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Deno.test(function testFunctionParamsLength() {
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assertEquals(setTimeout.length, 1);
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assertEquals(setInterval.length, 1);
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assertEquals(clearTimeout.length, 0);
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assertEquals(clearInterval.length, 0);
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});
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Deno.test(function clearTimeoutAndClearIntervalNotBeEquals() {
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assertNotEquals(clearTimeout, clearInterval);
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});
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Deno.test(async function timerMaxCpuBug() {
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// There was a bug where clearing a timeout would cause Deno to use 100% CPU.
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clearTimeout(setTimeout(() => {}, 1000));
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// We can check this by counting how many ops have triggered in the interim.
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// Certainly less than 10 ops should have been dispatched in next 100 ms.
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const { ops: pre } = Deno.metrics();
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await delay(100);
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const { ops: post } = Deno.metrics();
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const before = pre.op_sleep.opsDispatched;
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const after = post.op_sleep.opsDispatched;
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assert(after - before < 10);
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});
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Deno.test(async function timerOrdering() {
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const array: number[] = [];
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const donePromise = deferred();
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function push(n: number) {
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array.push(n);
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if (array.length === 6) {
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donePromise.resolve();
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}
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}
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setTimeout(() => {
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push(1);
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setTimeout(() => push(4));
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}, 0);
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setTimeout(() => {
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push(2);
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setTimeout(() => push(5));
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}, 0);
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setTimeout(() => {
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push(3);
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setTimeout(() => push(6));
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}, 0);
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await donePromise;
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assertEquals(array, [1, 2, 3, 4, 5, 6]);
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});
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Deno.test(async function timerBasicMicrotaskOrdering() {
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let s = "";
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let count = 0;
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const promise = deferred();
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setTimeout(() => {
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Promise.resolve().then(() => {
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count++;
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s += "de";
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if (count === 2) {
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promise.resolve();
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}
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});
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});
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setTimeout(() => {
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count++;
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s += "no";
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if (count === 2) {
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promise.resolve();
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}
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});
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await promise;
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assertEquals(s, "deno");
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});
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Deno.test(async function timerNestedMicrotaskOrdering() {
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let s = "";
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const promise = deferred();
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s += "0";
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setTimeout(() => {
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s += "4";
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setTimeout(() => (s += "A"));
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Promise.resolve()
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.then(() => {
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setTimeout(() => {
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s += "B";
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promise.resolve();
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});
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})
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.then(() => {
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s += "5";
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});
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});
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setTimeout(() => (s += "6"));
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Promise.resolve().then(() => (s += "2"));
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Promise.resolve().then(() =>
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setTimeout(() => {
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s += "7";
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Promise.resolve()
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.then(() => (s += "8"))
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.then(() => {
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s += "9";
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});
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})
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);
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Promise.resolve().then(() => Promise.resolve().then(() => (s += "3")));
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s += "1";
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await promise;
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assertEquals(s, "0123456789AB");
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});
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Deno.test(function testQueueMicrotask() {
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assertEquals(typeof queueMicrotask, "function");
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});
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Deno.test(async function timerIgnoresDateOverride() {
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const OriginalDate = Date;
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const promise = deferred();
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let hasThrown = 0;
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try {
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const overrideCalled: () => number = () => {
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promise.reject("global Date override used over original Date object");
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return 0;
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};
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const DateOverride = () => {
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overrideCalled();
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};
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globalThis.Date = DateOverride as DateConstructor;
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globalThis.Date.now = overrideCalled;
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globalThis.Date.UTC = overrideCalled;
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globalThis.Date.parse = overrideCalled;
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queueMicrotask(promise.resolve);
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await promise;
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hasThrown = 1;
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} catch (err) {
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if (typeof err === "string") {
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assertEquals(err, "global Date override used over original Date object");
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hasThrown = 2;
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} else if (err instanceof TypeError) {
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hasThrown = 3;
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} else {
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hasThrown = 4;
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}
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} finally {
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globalThis.Date = OriginalDate;
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}
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assertEquals(hasThrown, 1);
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});
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Deno.test({
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name: "unrefTimer",
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permissions: { run: true, read: true },
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fn: async () => {
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const [statusCode, output] = await execCode(`
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const timer = setTimeout(() => console.log("1"));
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Deno.unrefTimer(timer);
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`);
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assertEquals(statusCode, 0);
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assertEquals(output, "");
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},
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});
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Deno.test({
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name: "unrefTimer - mix ref and unref 1",
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permissions: { run: true, read: true },
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fn: async () => {
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const [statusCode, output] = await execCode(`
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const timer1 = setTimeout(() => console.log("1"), 200);
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const timer2 = setTimeout(() => console.log("2"), 400);
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const timer3 = setTimeout(() => console.log("3"), 600);
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Deno.unrefTimer(timer3);
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`);
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assertEquals(statusCode, 0);
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assertEquals(output, "1\n2\n");
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},
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});
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Deno.test({
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name: "unrefTimer - mix ref and unref 2",
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permissions: { run: true, read: true },
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fn: async () => {
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const [statusCode, output] = await execCode(`
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const timer1 = setTimeout(() => console.log("1"), 200);
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const timer2 = setTimeout(() => console.log("2"), 400);
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const timer3 = setTimeout(() => console.log("3"), 600);
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Deno.unrefTimer(timer1);
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Deno.unrefTimer(timer2);
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`);
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assertEquals(statusCode, 0);
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assertEquals(output, "1\n2\n3\n");
|
|
},
|
|
});
|
|
|
|
Deno.test({
|
|
name: "unrefTimer - unref interval",
|
|
permissions: { run: true, read: true },
|
|
fn: async () => {
|
|
const [statusCode, output] = await execCode(`
|
|
let i = 0;
|
|
const timer1 = setInterval(() => {
|
|
console.log("1");
|
|
i++;
|
|
if (i === 5) {
|
|
Deno.unrefTimer(timer1);
|
|
}
|
|
}, 10);
|
|
`);
|
|
assertEquals(statusCode, 0);
|
|
assertEquals(output, "1\n1\n1\n1\n1\n");
|
|
},
|
|
});
|
|
|
|
Deno.test({
|
|
name: "unrefTimer - unref then ref 1",
|
|
permissions: { run: true, read: true },
|
|
fn: async () => {
|
|
const [statusCode, output] = await execCode(`
|
|
const timer1 = setTimeout(() => console.log("1"), 10);
|
|
Deno.unrefTimer(timer1);
|
|
Deno.refTimer(timer1);
|
|
`);
|
|
assertEquals(statusCode, 0);
|
|
assertEquals(output, "1\n");
|
|
},
|
|
});
|
|
|
|
Deno.test({
|
|
name: "unrefTimer - unref then ref",
|
|
permissions: { run: true, read: true },
|
|
fn: async () => {
|
|
const [statusCode, output] = await execCode(`
|
|
const timer1 = setTimeout(() => {
|
|
console.log("1");
|
|
Deno.refTimer(timer2);
|
|
}, 10);
|
|
const timer2 = setTimeout(() => console.log("2"), 20);
|
|
Deno.unrefTimer(timer2);
|
|
`);
|
|
assertEquals(statusCode, 0);
|
|
assertEquals(output, "1\n2\n");
|
|
},
|
|
});
|
|
|
|
Deno.test({
|
|
name: "unrefTimer - invalid calls do nothing",
|
|
fn: () => {
|
|
Deno.unrefTimer(NaN);
|
|
Deno.refTimer(NaN);
|
|
},
|
|
});
|
|
|
|
Deno.test({
|
|
name: "AbortSignal.timeout() with no listeners",
|
|
permissions: { run: true, read: true },
|
|
fn: async () => {
|
|
const [statusCode, output] = await execCode(`
|
|
const signal = AbortSignal.timeout(2000);
|
|
|
|
// This unref timer expires before the signal, and if it does expire, then
|
|
// it means the signal has kept the event loop alive.
|
|
const timer = setTimeout(() => console.log("Unexpected!"), 1500);
|
|
Deno.unrefTimer(timer);
|
|
`);
|
|
assertEquals(statusCode, 0);
|
|
assertEquals(output, "");
|
|
},
|
|
});
|
|
|
|
Deno.test({
|
|
name: "AbortSignal.timeout() with listeners",
|
|
permissions: { run: true, read: true },
|
|
fn: async () => {
|
|
const [statusCode, output] = await execCode(`
|
|
const signal = AbortSignal.timeout(1000);
|
|
signal.addEventListener("abort", () => console.log("Event fired!"));
|
|
`);
|
|
assertEquals(statusCode, 0);
|
|
assertEquals(output, "Event fired!\n");
|
|
},
|
|
});
|
|
|
|
Deno.test({
|
|
name: "AbortSignal.timeout() with removed listeners",
|
|
permissions: { run: true, read: true },
|
|
fn: async () => {
|
|
const [statusCode, output] = await execCode(`
|
|
const signal = AbortSignal.timeout(2000);
|
|
|
|
const callback = () => console.log("Unexpected: Event fired");
|
|
signal.addEventListener("abort", callback);
|
|
|
|
setTimeout(() => {
|
|
console.log("Removing the listener.");
|
|
signal.removeEventListener("abort", callback);
|
|
}, 500);
|
|
|
|
Deno.unrefTimer(
|
|
setTimeout(() => console.log("Unexpected: Unref timer"), 1500)
|
|
);
|
|
`);
|
|
assertEquals(statusCode, 0);
|
|
assertEquals(output, "Removing the listener.\n");
|
|
},
|
|
});
|
|
|
|
Deno.test({
|
|
name: "AbortSignal.timeout() with listener for a non-abort event",
|
|
permissions: { run: true, read: true },
|
|
fn: async () => {
|
|
const [statusCode, output] = await execCode(`
|
|
const signal = AbortSignal.timeout(2000);
|
|
|
|
signal.addEventListener("someOtherEvent", () => {
|
|
console.log("Unexpected: someOtherEvent called");
|
|
});
|
|
|
|
Deno.unrefTimer(
|
|
setTimeout(() => console.log("Unexpected: Unref timer"), 1500)
|
|
);
|
|
`);
|
|
assertEquals(statusCode, 0);
|
|
assertEquals(output, "");
|
|
},
|
|
});
|