test: add test for #1202, uncatchable exception on bad host name

test/simple/test-http-dns-error.js

@@ -0,0 +1,70 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('../common');
+var assert = require('assert');
+
+var http = require('http');
+var https = require('https');
+
+var expected_bad_requests = 0;
+var actual_bad_requests = 0;
+
+var host = '********';
+host += host;
+host += host;
+host += host;
+host += host;
+host += host;
+
+function do_not_call() {
+  throw new Error("This function should not have been called.");
+}
+
+function test(mod) {
+  expected_bad_requests += 2;
+
+  // Bad host name should not throw an uncatchable exception.
+  // Ensure that there is time to attach an error listener.
+  var req = mod.get({host:host, port:42}, do_not_call);
+  req.on('error', function(err) {
+   assert.equal(err.code, 'EBADNAME');
+   actual_bad_requests++;
+  });
+  // http.get() called req.end() for us
+
+  var req = mod.request({method:'GET', host:host, port:42}, do_not_call);
+  req.on('error', function(err) {
+   assert.equal(err.code, 'EBADNAME');
+   actual_bad_requests++;
+  });
+  req.end();
+}
+
+// FIXME This doesn't work for https because the tls module won't emit errors
+// until a secure channel has been established - and that is never going to
+// happen because the host name is invalid.
+//test(https);
+test(http);
+
+process.on('exit', function() {
+  assert.equal(actual_bad_requests, expected_bad_requests);
+});