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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Tests UrlbarUtils.SkippableTimer
*/
"use strict";
let { SkippableTimer } = ChromeUtils.importESModule(
"resource:///modules/UrlbarUtils.sys.mjs"
);
const { setTimeout } = ChromeUtils.importESModule(
"resource://gre/modules/Timer.sys.mjs"
);
add_task(async function test_basic() {
let invoked = 0;
let deferred = Promise.withResolvers();
let timer = new SkippableTimer({
name: "test 1",
callback: () => {
invoked++;
deferred.resolve();
},
time: 50,
});
Assert.equal(timer.name, "test 1", "Timer should have the correct name");
Assert.ok(!timer.done, "Should not be done");
Assert.equal(invoked, 0, "Should not have invoked the callback yet");
await deferred.promise;
Assert.ok(timer.done, "Should be done");
Assert.equal(invoked, 1, "Should have invoked the callback");
});
add_task(async function test_fire() {
let longTimeMs = 1000;
let invoked = 0;
let deferred = Promise.withResolvers();
let timer = new SkippableTimer({
name: "test 1",
callback: () => {
invoked++;
deferred.resolve();
},
time: longTimeMs,
});
let start = Cu.now();
Assert.equal(timer.name, "test 1", "Timer should have the correct name");
Assert.ok(!timer.done, "Should not be done");
Assert.equal(invoked, 0, "Should not have invoked the callback yet");
// Call fire() many times to also verify the callback is invoked just once.
timer.fire();
timer.fire();
timer.fire();
Assert.ok(timer.done, "Should be done");
await deferred.promise;
Assert.greater(longTimeMs, Cu.now() - start, "Should have resolved earlier");
Assert.equal(invoked, 1, "Should have invoked the callback");
});
add_task(async function test_cancel() {
let timeMs = 50;
let invoked = 0;
let deferred = Promise.withResolvers();
let timer = new SkippableTimer({
name: "test 1",
callback: () => {
invoked++;
deferred.resolve();
},
time: timeMs,
});
let start = Cu.now();
Assert.equal(timer.name, "test 1", "Timer should have the correct name");
Assert.ok(!timer.done, "Should not be done");
Assert.equal(invoked, 0, "Should not have invoked the callback yet");
// Calling cancel many times shouldn't rise any error.
timer.cancel();
timer.cancel();
Assert.ok(timer.done, "Should be done");
await Promise.race([
deferred.promise,
// eslint-disable-next-line mozilla/no-arbitrary-setTimeout
new Promise(r => setTimeout(r, timeMs * 4)),
]);
Assert.greater(Cu.now() - start, timeMs, "Should not have resolved earlier");
Assert.equal(invoked, 0, "Should not have invoked the callback");
});
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