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'use strict';
const common = require('../common');
const assert = require('assert');
const path = require('path');
const spawn = require('child_process').spawn;
const sub = path.join(common.fixturesDir, 'print-chars.js');
const n = 500000;
const child = spawn(process.argv[0], [sub, n]);
let count = 0;
child.stderr.setEncoding('utf8');
child.stderr.on('data', common.fail);
child.stdout.setEncoding('utf8');
child.stdout.on('data', (data) => {
count += data.length;
});
child.on('close', common.mustCall((code, signal) => {
assert.strictEqual(code, 0);
assert.strictEqual(signal, null);
assert.strictEqual(n, count);
}));