nodejs/test/parallel/test-child-process-ipc-next...

40 lines
952 B
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const cp = require('child_process');
const NUM_MESSAGES = 10;
const values = [];
for (let i = 0; i < NUM_MESSAGES; ++i) {
values[i] = i;
}
if (process.argv[2] === 'child') {
const received = values.map(() => { return false; });
process.on('uncaughtException', common.mustCall((err) => {
received[err] = true;
const done = received.every((element) => { return element === true; });
if (done)
process.disconnect();
}, NUM_MESSAGES));
process.on('message', (msg) => {
// If messages are handled synchronously, throwing should break the IPC
// message processing.
throw msg;
});
process.send('ready');
} else {
const child = cp.fork(__filename, ['child']);
child.on('message', common.mustCall((msg) => {
assert.strictEqual(msg, 'ready');
values.forEach((value) => {
child.send(value);
});
}));
}