test: add localhost addresses test

test/localhost.test.js

@@ -0,0 +1,28 @@
+'use strict';
+
+const test = require('tap').test;
+const ecstatic = require('../lib/core');
+const http = require('http');
+const request = require('request');
+
+test('can connect from all localhost addresses', t => {
+    const server = http.createServer(ecstatic(`${__dirname}/public/subdir`));
+    t.on('end', () => { server.close(); });
+    server.listen(0, () => {
+        const port = server.address().port;
+        const addresses = [
+            'localhost',
+            '127.0.0.1',
+            '::1',
+        ];
+
+        t.plan(addresses.length * 2);
+
+        for (const address of addresses) {
+            request.get(`http://${address}:${port}/index.html`, (err, res, body) => {
+                t.error(err);
+                t.equal(res.statusCode, 200);
+            });
+        }
+    });
+});