diff -r 07f73360ea8e Lib/test/test_httpservers.py
--- a/Lib/test/test_httpservers.py	Mon Apr 04 10:59:29 2016 -0700
+++ b/Lib/test/test_httpservers.py	Tue Apr 05 10:25:23 2016 +0800
@@ -285,6 +285,7 @@
         self.data = b'We are the knights who say Ni!'
         self.tempdir = tempfile.mkdtemp(dir=basetempdir)
         self.tempdir_name = os.path.basename(self.tempdir)
+        self.base_url = '/' + self.tempdir_name
         with open(os.path.join(self.tempdir, 'test'), 'wb') as temp:
             temp.write(self.data)
 
@@ -331,7 +332,7 @@
         filename = os.fsdecode(support.TESTFN_UNDECODABLE) + '.txt'
         with open(os.path.join(self.tempdir, filename), 'wb') as f:
             f.write(support.TESTFN_UNDECODABLE)
-        response = self.request(self.tempdir_name + '/')
+        response = self.request(self.base_url + '/')
         if sys.platform == 'darwin':
             # On Mac OS the HFS+ filesystem replaces bytes that aren't valid
             # UTF-8 into a percent-encoded value.
@@ -345,27 +346,27 @@
                       .encode(enc, 'surrogateescape'), body)
         self.assertIn(('>%s<' % html.escape(filename))
                       .encode(enc, 'surrogateescape'), body)
-        response = self.request(self.tempdir_name + '/' + quotedname)
+        response = self.request(self.base_url + '/' + quotedname)
         self.check_status_and_reason(response, HTTPStatus.OK,
                                      data=support.TESTFN_UNDECODABLE)
 
     def test_get(self):
         #constructs the path relative to the root directory of the HTTPServer
-        response = self.request(self.tempdir_name + '/test')
+        response = self.request(self.base_url + '/test')
         self.check_status_and_reason(response, HTTPStatus.OK, data=self.data)
         # check for trailing "/" which should return 404. See Issue17324
-        response = self.request(self.tempdir_name + '/test/')
+        response = self.request(self.base_url + '/test/')
         self.check_status_and_reason(response, HTTPStatus.NOT_FOUND)
-        response = self.request(self.tempdir_name + '/')
+        response = self.request(self.base_url + '/')
         self.check_status_and_reason(response, HTTPStatus.OK)
-        response = self.request(self.tempdir_name)
+        response = self.request(self.base_url)
         self.check_status_and_reason(response, HTTPStatus.MOVED_PERMANENTLY)
-        response = self.request(self.tempdir_name + '/?hi=2')
+        response = self.request(self.base_url + '/?hi=2')
         self.check_status_and_reason(response, HTTPStatus.OK)
-        response = self.request(self.tempdir_name + '?hi=1')
+        response = self.request(self.base_url + '?hi=1')
         self.check_status_and_reason(response, HTTPStatus.MOVED_PERMANENTLY)
         self.assertEqual(response.getheader("Location"),
-                         self.tempdir_name + "/?hi=1")
+                         self.base_url + "/?hi=1")
         response = self.request('/ThisDoesNotExist')
         self.check_status_and_reason(response, HTTPStatus.NOT_FOUND)
         response = self.request('/' + 'ThisDoesNotExist' + '/')
@@ -374,7 +375,7 @@
         data = b"Dummy index file\r\n"
         with open(os.path.join(self.tempdir_name, 'index.html'), 'wb') as f:
             f.write(data)
-        response = self.request('/' + self.tempdir_name + '/')
+        response = self.request(self.base_url + '/')
         self.check_status_and_reason(response, HTTPStatus.OK, data)
 
         # chmod() doesn't work as expected on Windows, and filesystem
@@ -382,14 +383,14 @@
         if os.name == 'posix' and os.geteuid() != 0:
             os.chmod(self.tempdir, 0)
             try:
-                response = self.request(self.tempdir_name + '/')
+                response = self.request(self.base_url + '/')
                 self.check_status_and_reason(response, HTTPStatus.NOT_FOUND)
             finally:
                 os.chmod(self.tempdir, 0o755)
 
     def test_head(self):
         response = self.request(
-            self.tempdir_name + '/test', method='HEAD')
+            self.base_url + '/test', method='HEAD')
         self.check_status_and_reason(response, HTTPStatus.OK)
         self.assertEqual(response.getheader('content-length'),
                          str(len(self.data)))
@@ -405,6 +406,22 @@
         response = self.request('/', method='GETs')
         self.check_status_and_reason(response, HTTPStatus.NOT_IMPLEMENTED)
 
+    def test_path_without_leading_slash(self):
+        response = self.request(self.tempdir_name + '/test')
+        self.check_status_and_reason(response, HTTPStatus.OK, data=self.data)
+        response = self.request(self.tempdir_name + '/test/')
+        self.check_status_and_reason(response, HTTPStatus.NOT_FOUND)
+        response = self.request(self.tempdir_name + '/')
+        self.check_status_and_reason(response, HTTPStatus.OK)
+        response = self.request(self.tempdir_name)
+        self.check_status_and_reason(response, HTTPStatus.MOVED_PERMANENTLY)
+        response = self.request(self.tempdir_name + '/?hi=2')
+        self.check_status_and_reason(response, HTTPStatus.OK)
+        response = self.request(self.tempdir_name + '?hi=1')
+        self.check_status_and_reason(response, HTTPStatus.MOVED_PERMANENTLY)
+        self.assertEqual(response.getheader("Location"),
+                         self.tempdir_name + "/?hi=1")
+
 
 cgi_file1 = """\
 #!%s