Test implementation.

1 files changed, 27 insertions, 0 deletions

diff --git a/bs4/tests/test_pageelement.py b/bs4/tests/test_pageelement.py
index 6674dad..09b0dea 100644
--- a/bs4/tests/test_pageelement.py
+++ b/bs4/tests/test_pageelement.py
@@ -2,6 +2,7 @@
 import copy
 import pickle
 import pytest
+import types
 
 from bs4 import BeautifulSoup
 from bs4.element import (
@@ -638,6 +639,32 @@ class TestCSSSelectors(SoupTest):
         for element in soup.find_all(class_=['c1', 'c2']):
             assert element in selected
 
+    def test_closest(self):
+        inner = self.soup.find("div", id="inner")
+        closest = inner.css.closest("div[id=main]")
+        assert closest == self.soup.find("div", id="main")
+
+    def test_match(self):
+        inner = self.soup.find("div", id="inner")
+        main = self.soup.find("div", id="main")
+        assert inner.css.match("div[id=main]") == False
+        assert main.css.match("div[id=main]") == True
+
+    def test_iselect(self):
+        gen = self.soup.css.iselect("h2")
+        assert isinstance(gen, types.GeneratorType)
+        [header2, header3] = gen
+        assert header2['id'] == 'header2'
+        assert header3['id'] == 'header3'
+
+    def test_filter(self):
+        inner = self.soup.find("div", id="inner")
+        results = inner.css.filter("h2")
+        assert len(inner.css.filter("h2")) == 2
+
+        [result] = inner.css.filter("h2[id=header3]")
+        assert result['id'] == 'header3'
+
 
 class TestPersistence(SoupTest):
     "Testing features like pickle and deepcopy."