diff --git a/tests/CompatibilityTest.php b/tests/CompatibilityTest.php
new file mode 100644
index 0000000..4f58b78
--- /dev/null
+++ b/tests/CompatibilityTest.php
@@ -0,0 +1,53 @@
+<?php
+/**
+ * @author Todd Burry <todd@vanillaforums.com>
+ * @copyright 2009-2016 Vanilla Forums Inc.
+ * @license Proprietary
+ */
+
+namespace Nbbc\Tests;
+
+use Nbbc\BBCode;
+
+/**
+ * Backwards compatibility testing for when new functionality is introduced.
+ */
+class CompatibilityTest extends \PHPUnit_Framework_TestCase {
+    /**
+     * Test that new templates work like old templates.
+     *
+     * @param string $source The BBCode to parse.
+     * @param string $expected The expected output.
+     * @dataProvider provideTemplateTests
+     */
+    public function testTemplates($source, $expected) {
+        $bbcode = new BBCode();
+        $bbcode->setDetectURLs(true);
+        $html = $bbcode->parse($source);
+        $this->assertSame($expected, $html);
+    }
+
+    /**
+     * Provide tests for {@link testTemplates()}.
+     *
+     * @return array Returns a data provider.
+     */
+    public function provideTemplateTests() {
+        $r = [
+            'url' => ['[url=foo.com]go[/url]', '<a href="foo.com" class="bbcode_url">go</a>'],
+            'quote' => ['[quote=todd]This is you!!![/quote]', <<<EOT
+
+<div class="bbcode_quote">
+<div class="bbcode_quote_head">todd wrote:</div>
+<div class="bbcode_quote_body">This is you!!!</div>
+</div>
+
+EOT
+],
+            'wiki' => ['What [[the]] heck?', 'What <a href="/?page=the" class="bbcode_wiki">the</a> heck?'],
+            'email' => ['Email todd@noreply.com', 'Email <a href="mailto:todd@noreply.com">todd@noreply.com</a>'],
+        ];
+
+        return $r;
+    }
+}