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+<!doctype html>
+<!--
+@license
+Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
+<html>
+  <head>
+
+    <meta charset="UTF-8">
+    <title>paper-spinner basic tests</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
+
+    <script src="../../webcomponentsjs/webcomponents.js"></script>
+    <script src="../../web-component-tester/browser.js"></script>
+    <script src="../../test-fixture/test-fixture-mocha.js"></script>
+
+    <link href="../../test-fixture/test-fixture.html" rel="import">
+    <link href="../paper-spinner.html" rel="import">
+
+  </head>
+  <body>
+
+    <test-fixture id="PaperSpinner">
+      <template>
+        <paper-spinner></paper-spinner>
+      </template>
+    </test-fixture>
+
+    <test-fixture id="ActivePaperSpinner">
+      <template>
+        <paper-spinner active></paper-spinner>
+      </template>
+    </test-fixture>
+
+    <script>
+      'use strict';
+
+      suite('<paper-spinner>', function() {
+
+        suite('an accessible paper spinner', function() {
+          var spinner;
+          var activeSpinner;
+
+          setup(function() {
+            spinner = fixture('PaperSpinner');
+            activeSpinner = fixture('ActivePaperSpinner');
+          });
+
+          test('adds an ARIA label when `alt` is supplied', function() {
+            var ALT_TEXT = 'Loading the next gif...';
+
+            spinner.alt = ALT_TEXT;
+            expect(spinner.getAttribute('aria-label')).to.be.eql(ALT_TEXT);
+          });
+
+          test('hides from ARIA when inactive', function() {
+            spinner.active = false;
+            expect(spinner.getAttribute('aria-hidden')).to.be.eql('true');
+          });
+
+          test('toggle during cooldown', function(done) {
+            activeSpinner.active = false;
+
+            // Set active to true before cooldown animation completes.
+            setTimeout(function() {
+              activeSpinner.active = true;
+
+              // Wait for cooldown animation to complete.
+              setTimeout(function() {
+                expect(activeSpinner.active).to.equal(true);
+                done();
+              }, 500);
+            }, 100);
+          });
+        });
+
+      });
+    </script>
+
+  </body>
+</html>