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denoland-deno/tests/node_compat/test/parallel/test-child-process-spawn-event.js

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// deno-fmt-ignore-file
// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 20.11.1
// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.
'use strict';
const common = require('../common');
const spawn = require('child_process').spawn;
const assert = require('assert');
const subprocess = spawn('echo', ['ok']);
let didSpawn = false;
subprocess.on('spawn', function() {
didSpawn = true;
});
function mustCallAfterSpawn() {
return common.mustCall(function() {
assert.ok(didSpawn);
});
}
subprocess.on('error', common.mustNotCall());
subprocess.on('spawn', common.mustCall());
subprocess.stdout.on('data', mustCallAfterSpawn());
subprocess.stdout.on('end', mustCallAfterSpawn());
subprocess.stdout.on('close', mustCallAfterSpawn());
subprocess.stderr.on('data', common.mustNotCall());
subprocess.stderr.on('end', mustCallAfterSpawn());
subprocess.stderr.on('close', mustCallAfterSpawn());
subprocess.on('exit', mustCallAfterSpawn());
subprocess.on('close', mustCallAfterSpawn());