1 files changed, 46 insertions, 0 deletions
diff --git a/lib/htmlpurifier/tests/HTMLPurifier/AttrTransform/LangTest.php b/lib/htmlpurifier/tests/HTMLPurifier/AttrTransform/LangTest.php
new file mode 100644
index 000000000..960ad20a0
--- /dev/null
+++ b/lib/htmlpurifier/tests/HTMLPurifier/AttrTransform/LangTest.php
@@ -0,0 +1,46 @@
+<?php
+
+class HTMLPurifier_AttrTransform_LangTest
+    extends HTMLPurifier_AttrTransformHarness
+{
+
+    function setUp() {
+        parent::setUp();
+        $this->obj = new HTMLPurifier_AttrTransform_Lang();
+    }
+
+    function testEmptyInput() {
+        $this->assertResult(array());
+    }
+
+    function testCopyLangToXMLLang() {
+        $this->assertResult(
+            array('lang' => 'en'),
+            array('lang' => 'en', 'xml:lang' => 'en')
+        );
+    }
+
+    function testPreserveAttributes() {
+        $this->assertResult(
+            array('src' => 'vert.png', 'lang' => 'fr'),
+            array('src' => 'vert.png', 'lang' => 'fr', 'xml:lang' => 'fr')
+        );
+    }
+
+    function testCopyXMLLangToLang() {
+        $this->assertResult(
+            array('xml:lang' => 'en'),
+            array('xml:lang' => 'en', 'lang' => 'en')
+        );
+    }
+
+    function testXMLLangOverridesLang() {
+        $this->assertResult(
+            array('lang' => 'fr', 'xml:lang' => 'de'),
+            array('lang' => 'de', 'xml:lang' => 'de')
+        );
+    }
+
+}
+
+// vim: et sw=4 sts=4