90dee89d8e
`AsyncEvent` is not a good name given its semantics. PR-URL: https://github.com/nodejs/node/pull/13192 Reviewed-By: Andreas Madsen <amwebdk@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
47 lines
1.5 KiB
JavaScript
47 lines
1.5 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const async_hooks = require('async_hooks');
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const { AsyncResource } = async_hooks;
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const { spawn } = require('child_process');
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const corruptedMsg = /async hook stack has become corrupted/;
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const heartbeatMsg = /heartbeat: still alive/;
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const initHooks = require('./init-hooks');
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if (process.argv[2] === 'child') {
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const hooks = initHooks();
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hooks.enable();
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// async hooks enforce proper order of 'before' and 'after' invocations
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// Proper ordering
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const event1 = new AsyncResource('event1', async_hooks.currentId());
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event1.emitBefore();
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event1.emitAfter();
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// Improper ordering
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// Emitting 'after' without 'before' which is illegal
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const event2 = new AsyncResource('event2', async_hooks.currentId());
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console.log('heartbeat: still alive');
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event2.emitAfter();
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} else {
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const args = process.argv.slice(1).concat('child');
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let errData = Buffer.from('');
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let outData = Buffer.from('');
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const child = spawn(process.execPath, args);
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child.stderr.on('data', (d) => { errData = Buffer.concat([ errData, d ]); });
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child.stdout.on('data', (d) => { outData = Buffer.concat([ outData, d ]); });
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child.on('close', common.mustCall((code) => {
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assert.strictEqual(code, 1, 'exit code 1');
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assert.ok(heartbeatMsg.test(outData.toString()),
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'did not crash until we reached offending line of code');
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assert.ok(corruptedMsg.test(errData.toString()),
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'printed error contains corrupted message');
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}));
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}
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