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'use strict';
// Regression test for https://github.com/nodejs/node/issues/13557
// Tests that multiple subsequent readline instances can re-use an input stream.
const common = require('../common');
const assert = require('assert');
const readline = require('readline');
const { PassThrough } = require('stream');
const input = new PassThrough();
const output = new PassThrough();
const rl1 = readline.createInterface({
input,
output,
terminal: true
});
rl1.on('line', common.mustCall(rl1OnLine));
// Write a line plus the first byte of a UTF-8 multibyte character to make sure
// that it doesn’t get lost when closing the readline instance.
input.write(Buffer.concat([
Buffer.from('foo\n'),
Buffer.from([ 0xe2 ]) // Exactly one third of a ☃ snowman.
]));
function rl1OnLine(line) {
assert.strictEqual(line, 'foo');
rl1.close();
const rl2 = readline.createInterface({
input,
output,
terminal: true
});
rl2.on('line', common.mustCall((line) => {
assert.strictEqual(line, '☃bar');
rl2.close();
}));
input.write(Buffer.from([0x98, 0x83])); // The rest of the ☃ snowman.
input.write('bar\n');
}
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