'use strict'; require('../common'); const tmpdir = require('../common/tmpdir'); const assert = require('assert'); const path = require('path'); const child_process = require('child_process'); tmpdir.refresh(); // Tests that exceptions from the PromiseRejectCallback are printed to stderr // when they occur as a best-effort way of handling them, and that calling // `console.log()` works after that. Earlier, the latter did not work because // of the exception left lying around by the PromiseRejectCallback when its JS // part exceeded the call stack limit, and when the inspector/built-in coverage // was enabled, it resulted in a hard crash. for (const NODE_V8_COVERAGE of ['', tmpdir.path]) { // NODE_V8_COVERAGE does not work without the inspector. // Refs: https://github.com/nodejs/node/issues/29542 if (!process.features.inspector && NODE_V8_COVERAGE !== '') continue; const { status, signal, stdout, stderr } = child_process.spawnSync(process.execPath, [path.join(__dirname, 'test-ttywrap-stack.js')], { env: { ...process.env, NODE_V8_COVERAGE } }); assert(stdout.toString('utf8') .startsWith('RangeError: Maximum call stack size exceeded'), `stdout: <${stdout}>`); assert(stderr.toString('utf8') .startsWith('Exception in PromiseRejectCallback'), `stderr: <${stderr}>`); assert.strictEqual(status, 0); assert.strictEqual(signal, null); }