diff --git a/Lib/test/test_urlparse.py b/Lib/test/test_urlparse.py
index 0225e3b..c437ee0 100644
--- a/Lib/test/test_urlparse.py
+++ b/Lib/test/test_urlparse.py
@@ -7,6 +7,7 @@
 RFC1808_BASE = "http://a/b/c/d;p?q#f"
 RFC2396_BASE = "http://a/b/c/d;p?q"
 RFC3986_BASE = 'http://a/b/c/d;p?q'
+SIMPLE_BASE  = 'http://a/b/c/d'
 
 # A list of test cases.  Each test case is a a two-tuple that contains
 # a string with the query and a dictionary with the expected result.
@@ -291,6 +292,37 @@
         #self.checkJoin(RFC3986_BASE, 'http:g','http:g') # strict parser
         self.checkJoin(RFC3986_BASE, 'http:g','http://a/b/c/g') #relaxed parser
 
+    def test_urljoins(self):
+        self.checkJoin(SIMPLE_BASE, 'g:h','g:h')
+        self.checkJoin(SIMPLE_BASE, 'http:g','http://a/b/c/g')
+        self.checkJoin(SIMPLE_BASE, 'http:','http://a/b/c/d')
+        self.checkJoin(SIMPLE_BASE, 'g','http://a/b/c/g')
+        self.checkJoin(SIMPLE_BASE, './g','http://a/b/c/g')
+        self.checkJoin(SIMPLE_BASE, 'g/','http://a/b/c/g/')
+        self.checkJoin(SIMPLE_BASE, '/g','http://a/g')
+        self.checkJoin(SIMPLE_BASE, '//g','http://g')
+        self.checkJoin(SIMPLE_BASE, '?y','http://a/b/c/d?y')
+        self.checkJoin(SIMPLE_BASE, 'g?y','http://a/b/c/g?y')
+        self.checkJoin(SIMPLE_BASE, 'g?y/./x','http://a/b/c/g?y/./x')
+        self.checkJoin(SIMPLE_BASE, '.','http://a/b/c/')
+        self.checkJoin(SIMPLE_BASE, './','http://a/b/c/')
+        self.checkJoin(SIMPLE_BASE, '..','http://a/b/')
+        self.checkJoin(SIMPLE_BASE, '../','http://a/b/')
+        self.checkJoin(SIMPLE_BASE, '../g','http://a/b/g')
+        self.checkJoin(SIMPLE_BASE, '../..','http://a/')
+        self.checkJoin(SIMPLE_BASE, '../../g','http://a/g')
+        self.checkJoin(SIMPLE_BASE, '../../../g','http://a/../g')
+        self.checkJoin(SIMPLE_BASE, './../g','http://a/b/g')
+        self.checkJoin(SIMPLE_BASE, './g/.','http://a/b/c/g/')
+        self.checkJoin(SIMPLE_BASE, '/./g','http://a/./g')
+        self.checkJoin(SIMPLE_BASE, 'g/./h','http://a/b/c/g/h')
+        self.checkJoin(SIMPLE_BASE, 'g/../h','http://a/b/c/h')
+        self.checkJoin(SIMPLE_BASE, 'http:g','http://a/b/c/g')
+        self.checkJoin(SIMPLE_BASE, 'http:','http://a/b/c/d')
+        self.checkJoin(SIMPLE_BASE, 'http:?y','http://a/b/c/d?y')
+        self.checkJoin(SIMPLE_BASE, 'http:g?y','http://a/b/c/g?y')
+        self.checkJoin(SIMPLE_BASE, 'http:g?y/./x','http://a/b/c/g?y/./x')
+
     def test_urldefrag(self):
         for url, defrag, frag in [
             ('http://python.org#frag', 'http://python.org', 'frag'),