test: add test for dgram.setTTL

Verify that passing a non-number will throw and that the argument is returned on success. PR-URL: nodejs#2121 Reviewed-By: Colin Ihrig <[email protected]>
aredridel · Jul 10, 2015 · 842eb5b · 842eb5b
1 parent 1a340a8
commit 842eb5b
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/test/parallel/test-dgram-setTTL.js b/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();
+});