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test: add test for dgram.setTTL
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Verify that passing a non-number will throw and that the argument is
returned on success.

PR-URL: #2121
Reviewed-By: Colin Ihrig <[email protected]>
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evanlucas committed Jul 10, 2015
1 parent 1a340a8 commit 842eb5b
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17 changes: 17 additions & 0 deletions test/parallel/test-dgram-setTTL.js
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'use strict';
const common = require('../common');
const assert = require('assert');
const dgram = require('dgram');
const socket = dgram.createSocket('udp4');

socket.bind(common.PORT);
socket.on('listening', function() {
var result = socket.setTTL(16);
assert.strictEqual(result, 16);

assert.throws(function() {
socket.setTTL('foo');
}, /Argument must be a number/);

socket.close();
});

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