From d814e21b16f37a8895baa95e911f0502d1117879 Mon Sep 17 00:00:00 2001
From: Matt Farina <matt@mattfarina.com>
Date: Wed, 24 Apr 2013 03:59:41 -0400
Subject: Added tests around the html element checking.

---
 src/HTML5/Elements.php      |  23 +++++++-
 test/HTML5/ElementsTest.php | 140 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 161 insertions(+), 2 deletions(-)
 create mode 100644 test/HTML5/ElementsTest.php

diff --git a/src/HTML5/Elements.php b/src/HTML5/Elements.php
index a36f6ac..d437960 100644
--- a/src/HTML5/Elements.php
+++ b/src/HTML5/Elements.php
@@ -1,4 +1,5 @@
 <?php
+namespace HTML5;
 
 class Elements {
 
@@ -8,10 +9,10 @@ class Elements {
   const OMIT_END = 0x0b;
 
   /**
-   * The HTML5 elements.
+   * The HTML5 elements as defined in http://dev.w3.org/html5/markup/elements.html.
    * @var array
    */
-  public static $properties = array(
+  public static $elements = array(
     "a" => 1,
     "abbr" => 1,
     "address" => 1,
@@ -34,6 +35,7 @@ class Elements {
     "col" => 1,
     "colgroup" => 1,
     "command" => 1,
+    //"data" => 1,    // This is highly experimental and only part of the whatwg spec (not w3c). See https://developer.mozilla.org/en-US/docs/HTML/Element/data
     "datalist" => 1,
     "dd" => 1,
     "del" => 1,
@@ -119,6 +121,23 @@ class Elements {
     "u" => 1,
     "ul" => 1,
     "var" => 1,
+    "video" => 1,
     "wbr" => 1,
   );
+
+  /**
+   * Test if an element is a valid html5 element.
+   *
+   * @param string $name
+   *   The name of the element.
+   *
+   * @return bool
+   *   True if a html5 element and false otherwise.
+   */
+  public static function isHtml5Element($name) {
+
+    // html5 element names are case insensetitive. Forcing lowercase for the check.
+    // Do we need this check or will all data passed here already be lowercase?
+    return isset(self::$elements[strtolower($name)]);
+  }
 }
diff --git a/test/HTML5/ElementsTest.php b/test/HTML5/ElementsTest.php
new file mode 100644
index 0000000..d3ba43b
--- /dev/null
+++ b/test/HTML5/ElementsTest.php
@@ -0,0 +1,140 @@
+<?php
+namespace HTML5\Tests;
+
+use \HTML5\Elements;
+
+require_once 'TestCase.php';
+
+class ElementsTest extends TestCase {
+
+  public function testIsHtml5Element() {
+    $html5 = array(
+      "a",
+      "abbr",
+      "address",
+      "area",
+      "article",
+      "aside",
+      "audio",
+      "b",
+      "base",
+      "bdi",
+      "bdo",
+      "blockquote",
+      "body",
+      "br",
+      "button",
+      "canvas",
+      "caption",
+      "cite",
+      "code",
+      "col",
+      "colgroup",
+      "command",
+      //"data",
+      "datalist",
+      "dd",
+      "del",
+      "details",
+      "dfn",
+      "dialog",
+      "div",
+      "dl",
+      "dt",
+      "em",
+      "embed",
+      "fieldset",
+      "figcaption",
+      "figure",
+      "footer",
+      "form",
+      "h1",
+      "h2",
+      "h3",
+      "h4",
+      "h5",
+      "h6",
+      "head",
+      "header",
+      "hgroup",
+      "hr",
+      "html",
+      "i",
+      "iframe",
+      "img",
+      "input",
+      "ins",
+      "kbd",
+      "keygen",
+      "label",
+      "legend",
+      "li",
+      "link",
+      "map",
+      "mark",
+      "menu",
+      "meta",
+      "meter",
+      "nav",
+      "noscript",
+      "object",
+      "ol",
+      "optgroup",
+      "option",
+      "output",
+      "p",
+      "param",
+      "pre",
+      "progress",
+      "q",
+      "rp",
+      "rt",
+      "ruby",
+      "s",
+      "samp",
+      "script",
+      "section",
+      "select",
+      "small",
+      "source",
+      "span",
+      "strong",
+      "style",
+      "sub",
+      "summary",
+      "sup",
+      "table",
+      "tbody",
+      "td",
+      "textarea",
+      "tfoot",
+      "th",
+      "thead",
+      "time",
+      "title",
+      "tr",
+      "track",
+      "u",
+      "ul",
+      "var",
+      "video",
+      "wbr",
+    );
+
+    foreach ($html5 as $element) {
+      $this->assertTrue(Elements::isHtml5Element($element), 'html5 element test failed on: ' . $element);
+
+      $this->assertTrue(Elements::isHtml5Element(strtoupper($element)), 'html5 element test failed on: ' . strtoupper($element));
+    }
+
+    $nonhtml5 = array('foo', 'bar', 'baz');
+    foreach ($nonhtml5 as $element) {
+      $this->assertFalse(Elements::isHtml5Element($element), 'html5 element test failed on: ' . $element);
+
+      $this->assertFalse(Elements::isHtml5Element(strtoupper($element)), 'html5 element test failed on: ' . strtoupper($element));
+    }
+
+
+  }
+
+}
\ No newline at end of file
-- 
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