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75 lines
2.3 KiB
JavaScript
75 lines
2.3 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* Test that we get the expected settlement time for promise time to settle.
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*/
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"use strict";
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const { PromisesFront } = require("devtools/server/actors/promises");
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const { setTimeout } = require("sdk/timers");
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var events = require("sdk/event/core");
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add_task(function*() {
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let client = yield startTestDebuggerServer("test-promises-timetosettle");
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let chromeActors = yield getChromeActors(client);
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yield attachTab(client, chromeActors);
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ok(Promise.toString().contains("native code"), "Expect native DOM Promise.");
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// We have to attach the chrome TabActor before playing with the PromiseActor
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yield attachTab(client, chromeActors);
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yield testGetTimeToSettle(client, chromeActors,
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v => new Promise(resolve => setTimeout(() => resolve(v), 100)));
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let response = yield listTabs(client);
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let targetTab = findTab(response.tabs, "test-promises-timetosettle");
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ok(targetTab, "Found our target tab.");
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yield attachTab(client, targetTab);
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yield testGetTimeToSettle(client, targetTab, v => {
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const debuggee =
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DebuggerServer.getTestGlobal("test-promises-timetosettle");
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return new debuggee.Promise(resolve => setTimeout(() => resolve(v), 100));
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});
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yield close(client);
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});
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function* testGetTimeToSettle(client, form, makePromise) {
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let front = PromisesFront(client, form);
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let resolution = "MyLittleSecret" + Math.random();
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let found = false;
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yield front.attach();
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yield front.listPromises();
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let onNewPromise = new Promise(resolve => {
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events.on(front, "promises-settled", promises => {
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for (let p of promises) {
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if (p.promiseState.state === "fulfilled" &&
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p.promiseState.value === resolution) {
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let timeToSettle = Math.floor(p.promiseState.timeToSettle / 100) * 100;
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ok(timeToSettle >= 100,
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"Expect time to settle for resolved promise to be " +
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"at least 100ms, got " + timeToSettle + "ms.");
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found = true;
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resolve();
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} else {
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dump("Found non-target promise.\n");
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}
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}
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});
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});
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let promise = makePromise(resolution);
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yield onNewPromise;
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ok(found, "Found our new promise.");
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yield front.detach();
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// Appease eslint
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void promise;
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}
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