Source code
Revision control
Copy as Markdown
Other Tools
Test Info: Warnings
- This test has a WPT meta file that expects 1 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /scheduler/tentative/yield/yield-priority-timers.any.html - WPT Dashboard Interop Dashboard
- /scheduler/tentative/yield/yield-priority-timers.any.worker.html - WPT Dashboard Interop Dashboard
'use strict';
// Queues a zero ms timer that yields 3 times using `yieldParams`, then posts 2
// more 0 ms timers.
//
// Returns {tasks, ids} where `tasks` is an array of promises associated with
// the timers and `ids` is an array of task ids appended to by the scheduled
// tasks.
function postTestTasks() {
const tasks = [];
const ids = [];
tasks.push(new Promise(resolve => {
setTimeout(async () => {
ids.push('t1');
for (let i = 1; i < 4; i++) {
await scheduler.yield();
ids.push('y' + i);
}
resolve();
});
}));
tasks.push(new Promise(resolve => {
setTimeout(() => { ids.push('t2'); resolve(); });
}));
tasks.push(new Promise(resolve => {
setTimeout(() => { ids.push('t3'); resolve(); });
}));
return {tasks, ids};
}
promise_test(async t => {
const {tasks, ids} = postTestTasks();
await Promise.all(tasks);
assert_equals(ids.join(), 't1,y1,y2,y3,t2,t3');
}, 'yield() with timer tasks (inherit signal)');