Port duplicationTest.html to QUnit

Author: mislav

tests/duplicationTest.html

@@ -11,5 +11,6 @@
 <script src="http://code.jquery.com/qunit/qunit-1.14.0.js"></script>
 <script src="../classList.js"></script>
 <script src="tests.js"></script>
+<script src="remove.js"></script>
 </body>
 </html>

tests/qunit.html

@@ -0,0 +1,10 @@
+QUnit.module("classList.remove");
+
+QUnit.test("Removes duplicated instances of class", function(assert) {
+	var el = document.createElement("p"), cList = el.classList;
+	el.className = "ho ho ho"
+
+	cList.remove("ho");
+	assert.ok(!cList.contains("ho"), "Should remove all instances of 'ho'");
+	assert.strictEqual(el.className, "")
+});