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'use strict';
const common = require('../common');
const assert = require('assert');
const async_hooks = require('async_hooks');
const { AsyncResource } = async_hooks;
const { spawn } = require('child_process');
const corruptedMsg = /async hook stack has become corrupted/;
const heartbeatMsg = /heartbeat: still alive/;
const initHooks = require('./init-hooks');
if (process.argv[2] === 'child') {
const hooks = initHooks();
hooks.enable();
// Async hooks enforce proper order of 'before' and 'after' invocations
// Proper ordering
const event1 = new AsyncResource('event1', async_hooks.executionAsyncId());
event1.emitBefore();
event1.emitAfter();
// Improper ordering
// Emitting 'after' without 'before' which is illegal
const event2 = new AsyncResource('event2', async_hooks.executionAsyncId());
console.log('heartbeat: still alive');
event2.emitAfter();
} else {
const args = process.argv.slice(1).concat('child');
let errData = Buffer.from('');
let outData = Buffer.from('');
const child = spawn(process.execPath, args);
child.stderr.on('data', (d) => { errData = Buffer.concat([ errData, d ]); });
child.stdout.on('data', (d) => { outData = Buffer.concat([ outData, d ]); });
child.on('close', common.mustCall((code) => {
assert.strictEqual(code, 1);
assert.ok(heartbeatMsg.test(outData.toString()),
'did not crash until we reached offending line of code ' +
`(found ${outData})`);
assert.ok(corruptedMsg.test(errData.toString()),
'printed error contains corrupted message ' +
`(found ${errData})`);
}));
}
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