Changed capitalisation from JSON to Json to match libraries standards

tests/library/Respect/Validation/Rules/JsonTest.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Respect\Validation\Rules;
+
+class JsonTest extends \PHPUnit_Framework_TestCase
+{
+
+    protected $json;
+    
+    protected function setUp()
+    {
+        $this->json = new Json;
+    }
+    
+    public function testValidJSON()
+    {
+        $this->assertTrue($this->json->assert('{"foo": "bar", "number":1}'));
+    }
+
+    /**
+     * @expectedException Respect\Validation\Exceptions\JSONException
+     */
+    public function testInvalidJSON()
+    {
+        $this->assertFalse($this->json->assert("{foo:bar}"));
+    }
+}