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'use strict'; // Make sure that Node.js runs correctly with the --use-largepages option. require('../common'); const assert = require('assert'); const { spawnSync } = require('child_process'); { const child = spawnSync(process.execPath, [ '--use-largepages=on', '-p', '42' ], { stdio: ['inherit', 'pipe', 'inherit'] }); const stdout = child.stdout.toString().match(/\S+/g); assert.strictEqual(child.status, 0); assert.strictEqual(child.signal, null); assert.strictEqual(stdout.length, 1); assert.strictEqual(stdout[0], '42'); } { const child = spawnSync(process.execPath, [ '--use-largepages=xyzzy', '-p', '42' ]); assert.strictEqual(child.status, 9); assert.strictEqual(child.signal, null); assert.strictEqual(child.stderr.toString().match(/\S+/g).slice(1).join(' '), 'invalid value for --use-largepages'); } // TODO(gabrielschulhof): Make assertions about the stderr, which may or may not // contain a message indicating that mapping to large pages has failed.