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test: increase readline coverage

PR-URL: #12761
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
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addaleax committed Apr 27, 2017
1 parent 8aca66a commit b2ab41e5ae6213b17de8031771585030aea046e2
Showing with 45 additions and 0 deletions.
  1. +45 −0 test/parallel/test-readline.js
@@ -0,0 +1,45 @@
'use strict';
const common = require('../common');
const { PassThrough } = require('stream');
const readline = require('readline');
const assert = require('assert');

{
const input = new PassThrough();
const rl = readline.createInterface({
terminal: true,
input: input
});

rl.on('line', common.mustCall((data) => {
assert.strictEqual(data, 'abc');
}));

input.end('abc');
}

{
const input = new PassThrough();
const rl = readline.createInterface({
terminal: true,
input: input
});

rl.on('line', common.mustNotCall('must not be called before newline'));

input.write('abc');
}

{
const input = new PassThrough();
const rl = readline.createInterface({
terminal: true,
input: input
});

rl.on('line', common.mustCall((data) => {
assert.strictEqual(data, 'abc');
}));

input.write('abc\n');
}

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