1 files changed, 30 insertions, 0 deletions
diff --git a/bs4/tests/test_tree.py b/bs4/tests/test_tree.py
index 503af63..5f9e24b 100644
--- a/bs4/tests/test_tree.py
+++ b/bs4/tests/test_tree.py
@@ -1637,6 +1637,9 @@ class TestSoupSelector(TreeTest):
     def test_child_selector(self):
         self.assertSelects('.s1 > a', ['s1a1', 's1a2'])
         self.assertSelects('.s1 > a span', ['s1a2s1'])
+        
+    def test_child_selector_id(self):
+        self.assertSelects('.s1 > a#s1a2 span', ['s1a2s1'])
 
     def test_attribute_equals(self):
         self.assertSelectMultiple(
@@ -1744,6 +1747,33 @@ class TestSoupSelector(TreeTest):
             ('p[blah]', []),
         )
 
+    def test_nth_of_type(self):
+        # Try to select first paragraph
+        els = self.soup.select('div#inner p:nth-of-type(1)')
+        self.assertEqual(len(els), 1)
+        self.assertEqual(els[0].string, u'Some text')
+
+        # Try to select third paragraph
+        els = self.soup.select('div#inner p:nth-of-type(3)')
+        self.assertEqual(len(els), 1)
+        self.assertEqual(els[0].string, u'Another')
+
+        # Try to select (non-existent!) fourth paragraph
+        els = self.soup.select('div#inner p:nth-of-type(4)')
+        self.assertEqual(len(els), 0)
+
+        # Pass in an invalid value.
+        self.assertRaises(
+            ValueError, self.soup.select, 'div p:nth-of-type(0)')
+
+    def test_nth_of_type_direct_descendant(self):
+        els = self.soup.select('div#inner > p:nth-of-type(1)')
+        self.assertEqual(len(els), 1)
+        self.assertEqual(els[0].string, u'Some text')
+
+    def test_id_child_selector_nth_of_type(self):
+        self.assertSelects('#inner > p:nth-of-type(2)', ['p1'])
+
     def test_select_on_element(self):
         # Other tests operate on the tree; this operates on an element
         # within the tree.