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| Current File : //proc/self/root/home/ubuntu/node-v16.18.1/test/parallel/test-timers-immediate-queue-throw.js |
'use strict';
const common = require('../common');
const assert = require('assert');
const domain = require('domain');
// setImmediate should run clear its queued cbs once per event loop turn
// but immediates queued while processing the current queue should happen
// on the next turn of the event loop.
// In addition, if any setImmediate throws, the rest of the queue should
// be processed after all error handling is resolved, but that queue
// should not include any setImmediate calls scheduled after the
// processing of the queue started.
let threw = false;
let stage = -1;
const QUEUE = 10;
const errObj = {
name: 'Error',
message: 'setImmediate Err'
};
process.once('uncaughtException', common.mustCall((err, errorOrigin) => {
assert.strictEqual(errorOrigin, 'uncaughtException');
assert.strictEqual(stage, 0);
common.expectsError(errObj)(err);
}));
const d1 = domain.create();
d1.once('error', common.expectsError(errObj));
d1.once('error', () => assert.strictEqual(stage, 0));
const run = common.mustCall((callStage) => {
assert(callStage >= stage);
stage = callStage;
if (threw)
return;
setImmediate(run, 2);
}, QUEUE * 3);
for (let i = 0; i < QUEUE; i++)
setImmediate(run, 0);
setImmediate(() => {
threw = true;
process.nextTick(() => assert.strictEqual(stage, 1));
throw new Error('setImmediate Err');
});
d1.run(() => setImmediate(() => {
throw new Error('setImmediate Err');
}));
for (let i = 0; i < QUEUE; i++)
setImmediate(run, 1);
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