From 402826a1069c41fb8d80b91d48a19991a9ad1db2 Mon Sep 17 00:00:00 2001
From: Davide Brunato <brunato@sissa.it>
Date: Tue, 17 Dec 2019 14:56:17 +0100
Subject: [PATCH] Fix double slash shortcut token (issue #14)

---
 elementpath/xpath1_parser.py |  2 +-
 tests/test_xpath1_parser.py  | 21 +++++++++++++++++++--
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/elementpath/xpath1_parser.py b/elementpath/xpath1_parser.py
index eeaf5971..6337f746 100644
--- a/elementpath/xpath1_parser.py
+++ b/elementpath/xpath1_parser.py
@@ -756,7 +756,7 @@ def select(self, context=None):
         for elem in self[0].select(context):
             if not is_element_node(elem):
                 self.wrong_type("left operand must returns element nodes: %r" % elem)
-            for _ in context.iter_descendants(item=elem, axis='descendant-or-self'):
+            for _ in context.iter_descendants(item=elem):
                 for result in self[1].select(context):
                     yield result
 
diff --git a/tests/test_xpath1_parser.py b/tests/test_xpath1_parser.py
index 29016b43..1c2dbb45 100644
--- a/tests/test_xpath1_parser.py
+++ b/tests/test_xpath1_parser.py
@@ -997,15 +997,32 @@ def test_descendant_axis(self):
         self.check_selector('/descendant::node()', root, [e for e in root.iter()])
 
     def test_descendant_or_self_axis(self):
+        root = self.etree.XML('<A><B1><C/></B1><B2/><B3><C/><C1/></B3></A>')
+        self.check_selector('descendant-or-self::node()', root, [e for e in root.iter()])
+        self.check_selector('descendant-or-self::node()/.', root, [e for e in root.iter()])
+
+    def test_double_slash_shortcut(self):
         root = self.etree.XML('<A><B1><C/></B1><B2/><B3><C/><C1/></B3></A>')
         self.check_selector('//.', root, [e for e in root.iter()])
         self.check_selector('/A//.', root, [e for e in root.iter()])
+        self.check_selector('/A//self::node()', root, [e for e in root.iter()])
         self.check_selector('//C1', root, [root[2][1]])
         self.check_selector('//B2', root, [root[1]])
         self.check_selector('//C', root, [root[0][0], root[2][0]])
         self.check_selector('//*', root, [e for e in root.iter()])
-        self.check_selector('descendant-or-self::node()', root, [e for e in root.iter()])
-        self.check_selector('descendant-or-self::node()/.', root, [e for e in root.iter()])
+
+        # Issue #14
+        root = self.etree.XML("""
+        <pm>
+            <content>
+                <pmEntry>
+                    <pmEntry pmEntryType="pm001">
+                    </pmEntry>
+                </pmEntry>
+            </content>
+        </pm>""")
+
+        self.check_selector('/pm/content/pmEntry/pmEntry//pmEntry[@pmEntryType]', root, [])
 
     def test_following_axis(self):
         root = self.etree.XML('<A><B1><C1/></B1><B2/><B3><C1/><C2/></B3><B4><C1><D1/></C1></B4></A>')