url: fix off-by-one error with parse()

Fixes: #5393
PR-URL: #5394
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Evan Lucas <evanlucas@me.com>

lib/url.js

@@ -413,7 +413,7 @@ function validateHostname(self, rest, hostname) {
     }
     // Invalid host character
     self.hostname = hostname.slice(0, i);
-    if (i < hostname.length - 1)
+    if (i < hostname.length)
       return '/' + hostname.slice(i) + rest;
     break;
   }

test/parallel/test-url.js

@@ -851,6 +851,21 @@ var parseTests = {
     pathname: '/:npm/npm',
     path: '/:npm/npm',
     href: 'git+ssh://git@github.com/:npm/npm'
+  },
+
+  'https://*': {
+    protocol: 'https:',
+    slashes: true,
+    auth: null,
+    host: '',
+    port: null,
+    hostname: '',
+    hash: null,
+    search: null,
+    query: null,
+    pathname: '/*',
+    path: '/*',
+    href: 'https:///*'
   }
 
 };