diff --git a/tests/AverageHashTest.php b/tests/AverageHashTest.php
index be59d38..6907a1f 100644
--- a/tests/AverageHashTest.php
+++ b/tests/AverageHashTest.php
@@ -8,29 +8,39 @@ class AverageHashTest extends PHPUnit_Framework_TestCase
     {
         $this->path_inuo1 = __DIR__ . '/images/inuo1.jpg';
         $this->path_inuo2 = __DIR__ . '/images/inuo2.jpg';
-        $this->hash_inuo1 = 'fdd7a9d1c383c1ff';
-        $this->hash_inuo2 = 'f7f30200c3c3c3ff';
+        $this->hex_inuo1 = 'fdd7a9d1c383c1ff';
+        $this->hex_inuo2 = 'f7f30200c3c3c3ff';
+        $this->bin_inuo1 = '1111110111010111101010011101000111000011100000111100000111111111';
+        $this->bin_inuo2 = '1111011111110011000000100000000011000011110000111100001111111111';
     }
 
-    public function testHash()
+    public function testCalculateBinaryHash()
     {
         $ph = new PerceptualHash($this->path_inuo1);
-        $hash = $ph->hash();
+        $bin = $ph->bin();
 
-        $this->assertEquals(16, strlen($hash));
-        $this->assertEquals($this->hash_inuo1, $hash);
+        $this->assertEquals(64, strlen($bin));
+        $this->assertEquals($this->bin_inuo1, $bin);
     }
 
-    public function testCompareDifferentImage()
+    public function testCalculateHexHash()
+    {
+        $ph = new PerceptualHash($this->path_inuo1);
+        $hex = $ph->hex();
+
+        $this->assertEquals(16, strlen($hex));
+        $this->assertEquals($this->hex_inuo1, $hex);
+    }
+
+    public function testCompareDifferentImages()
     {
         $ph = new PerceptualHash($this->path_inuo1);
         $diff = $ph->compare($this->path_inuo2);
 
-        $this->assertEquals(9, $diff);
-
+        $this->assertEquals(15, $diff);
     }
 
-    public function testCompareSameImage()
+    public function testCompareSameImages()
     {
         $ph = new PerceptualHash($this->path_inuo1);
         $diff = $ph->compare($this->path_inuo1);