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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-icon-button a11y tests</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
+
+  <script src="../../webcomponentsjs/webcomponents-lite.js"></script>
+  <script src="../../web-component-tester/browser.js"></script>
+  <script src="../../test-fixture/test-fixture-mocha.js"></script>
+
+  <link rel="import" href="../../iron-icons/iron-icons.html">
+  <link rel="import" href="../../test-fixture/test-fixture.html">
+  <link rel="import" href="../paper-icon-button.html">
+
+</head>
+<body>
+
+  <test-fixture id="A11yIconButtons">
+    <template>
+      <paper-icon-button id="iconButton1" icon="add"></paper-icon-button>
+      <paper-icon-button id="iconButton2" icon="add" disabled></paper-icon-button>
+      <paper-icon-button id="iconButton3" icon="add" aria-label="custom"></paper-icon-button>
+      <paper-icon-button id="iconButton4" icon="add" alt="alt text"></paper-icon-button>
+      <paper-icon-button id="iconButton5" icon="add" aria-label="custom" alt="alt text" ></paper-icon-button>
+    </template>
+  </test-fixture>
+
+  <script>
+
+    var b1;
+    var b2;
+    var b3;
+    var b4;
+    var b5;
+
+    setup(function() {
+      var iconButtons = fixture('A11yIconButtons');
+
+      b1 = iconButtons[0];
+      b2 = iconButtons[1];
+      b3 = iconButtons[2];
+      b4 = iconButtons[3];
+      b5 = iconButtons[4];
+    });
+
+    test('aria role is a button', function() {
+      assert.strictEqual(b1.getAttribute('role'), 'button');
+    });
+
+    test('aria-disabled is set', function() {
+      assert.strictEqual(b2.getAttribute('aria-disabled'), 'true');
+      b2.removeAttribute('disabled');
+      assert.strictEqual(b2.getAttribute('aria-disabled'), 'false');
+    });
+
+    test('user-defined aria-label is preserved', function() {
+      assert.strictEqual(b3.getAttribute('aria-label'), 'custom');
+      b3.icon = 'arrow-forward';
+      assert.strictEqual(b3.getAttribute('aria-label'), 'custom');
+    });
+
+    test('alt attribute is used for the aria-label', function() {
+      assert.strictEqual(b4.getAttribute('aria-label'), 'alt text');
+      b4.icon = 'arrow-forward';
+      assert.strictEqual(b4.getAttribute('aria-label'), 'alt text');
+    });
+
+    test('aria-label wins over alt attribute', function() {
+      assert.strictEqual(b5.getAttribute('aria-label'), 'custom');
+      b5.icon = 'arrow-forward';
+      b5.alt = 'other alt'
+      assert.strictEqual(b5.getAttribute('aria-label'), 'custom');
+    });
+
+    test('alt attribute can be updated', function() {
+      assert.strictEqual(b4.getAttribute('aria-label'), 'alt text');
+      b4.alt = 'alt again';
+      assert.strictEqual(b4.getAttribute('aria-label'), 'alt again');
+    });
+
+  </script>
+
+</body>
+</html>