1 files changed, 63 insertions, 0 deletions
diff --git a/lib/htmlpurifier/tests/HTMLPurifier/PercentEncoderTest.php b/lib/htmlpurifier/tests/HTMLPurifier/PercentEncoderTest.php
new file mode 100644
index 000000000..fa969de13
--- /dev/null
+++ b/lib/htmlpurifier/tests/HTMLPurifier/PercentEncoderTest.php
@@ -0,0 +1,63 @@
+<?php
+
+class HTMLPurifier_PercentEncoderTest extends HTMLPurifier_Harness
+{
+
+    protected $PercentEncoder;
+    protected $func;
+
+    function setUp() {
+        $this->PercentEncoder = new HTMLPurifier_PercentEncoder();
+        $this->func = '';
+    }
+
+    function assertDecode($string, $expect = true) {
+        if ($expect === true) $expect = $string;
+        $this->assertIdentical($this->PercentEncoder->{$this->func}($string), $expect);
+    }
+
+    function test_normalize() {
+        $this->func = 'normalize';
+
+        $this->assertDecode('Aw.../-$^8'); // no change
+        $this->assertDecode('%41%77%7E%2D%2E%5F', 'Aw~-._'); // decode unreserved chars
+        $this->assertDecode('%3A%2F%3F%23%5B%5D%40%21%24%26%27%28%29%2A%2B%2C%3B%3D'); // preserve reserved chars
+        $this->assertDecode('%2b', '%2B'); // normalize to uppercase
+        $this->assertDecode('%2B2B%3A3A'); // extra text
+        $this->assertDecode('%2b2B%4141', '%2B2BA41'); // extra text, with normalization
+        $this->assertDecode('%', '%25'); // normalize stray percent sign
+        $this->assertDecode('%5%25', '%255%25'); // permaturely terminated encoding
+        $this->assertDecode('%GJ', '%25GJ'); // invalid hexadecimal chars
+
+        // contested behavior, if this changes, we'll also have to have
+        // outbound encoding
+        $this->assertDecode('%FC'); // not reserved or unreserved, preserve
+
+    }
+
+    function assertEncode($string, $expect = true, $preserve = false) {
+        if ($expect === true) $expect = $string;
+        $encoder = new HTMLPurifier_PercentEncoder($preserve);
+        $result = $encoder->encode($string);
+        $this->assertIdentical($result, $expect);
+    }
+
+    function test_encode_noChange() {
+        $this->assertEncode('abc012-_~.');
+    }
+
+    function test_encode_encode() {
+        $this->assertEncode('>', '%3E');
+    }
+
+    function test_encode_preserve() {
+        $this->assertEncode('<>', '<%3E', '<');
+    }
+
+    function test_encode_low() {
+        $this->assertEncode("\1", '%01');
+    }
+
+}
+
+// vim: et sw=4 sts=4