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| Current File : //home/ubuntu/node-v16.18.1/test/tick-processor/test-tick-processor-polyfill-brokenfile.js |
'use strict';
const common = require('../common');
const { isCPPSymbolsNotMapped } = require('./util');
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
if (isCPPSymbolsNotMapped) {
common.skip('C++ symbols are not mapped for this OS.');
}
// This test will produce a broken profile log.
// ensure prof-polyfill not stuck in infinite loop
// and success process
const assert = require('assert');
const { spawn, spawnSync } = require('child_process');
const path = require('path');
const { writeFileSync } = require('fs');
const LOG_FILE = path.join(tmpdir.path, 'tick-processor.log');
const RETRY_TIMEOUT = 150;
const BROKEN_PART = 'tick,';
const WARN_REG_EXP = /\(node:\d+\) \[BROKEN_PROFILE_FILE] Warning: Profile file .* is broken/;
const WARN_DETAIL_REG_EXP = /".*tick," at the file end is broken/;
const code = `function f() {
this.ts = Date.now();
setImmediate(function() { new f(); });
};
f();`;
const proc = spawn(process.execPath, [
'--no_logfile_per_isolate',
'--logfile=-',
'--prof',
'-pe', code,
], {
stdio: ['ignore', 'pipe', 'inherit']
});
let ticks = '';
proc.stdout.on('data', (chunk) => ticks += chunk);
function runPolyfill(content) {
proc.kill();
content += BROKEN_PART;
writeFileSync(LOG_FILE, content);
const child = spawnSync(
`${process.execPath}`,
[
'--prof-process', LOG_FILE,
]);
assert.match(child.stderr.toString(), WARN_REG_EXP);
assert.match(child.stderr.toString(), WARN_DETAIL_REG_EXP);
assert.strictEqual(child.status, 0);
}
setTimeout(() => runPolyfill(ticks), RETRY_TIMEOUT);
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