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"use strict";
/* globals window */ // We are running in a document.
// Test the basics of DeferredTask in a window context:
// - Schedules several uses of DeferredTask that should not run at all
// - Schedules final DeferredTask that should run quickly at the end.
const { DeferredTask } = ChromeUtils.importESModule(
"resource://gre/modules/DeferredTask.sys.mjs"
);
// Sanity checks: tasks that should never run.
const task1 = new DeferredTask(
() => {
window.postMessage("arm_and_disarm_should_never_run", "*");
},
0,
0
);
task1.arm();
task1.disarm();
const task2 = new DeferredTask(
() => {
window.postMessage("arm_and_finalize_should_never_run", "*");
},
0,
0
);
task2.arm();
task2.disarm();
// Store as variable to make sure that we continue to have a strong reference,
// and that non-running of the callback is not due to GC or something.
// eslint-disable-next-line no-unused-vars
const task3 = new DeferredTask(
() => {
window.postMessage("without_arm_should_never_run", "*");
},
0,
0
);
const task4 = new DeferredTask(
() => {
// test_DeferredTask_window.js expects this message:
window.postMessage("arm_and_wait_should_run", "*");
},
12,
34
);
task4.arm();