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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>
+
+  <title>iron-selector-selected-attribute</title>
+  <meta charset="utf-8">
+  <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="../../test-fixture/test-fixture.html">
+  <link rel="import" href="../iron-selector.html">
+
+  <style>
+    .iron-selected {
+      background: #ccc;
+    }
+  </style>
+
+</head>
+<body>
+
+  <test-fixture id="test">
+    <template>
+      <iron-selector id="selector">
+        <div>Item 0</div>
+        <div>Item 1</div>
+        <div>Item 2</div>
+        <div>Item 3</div>
+        <div>Item 4</div>
+      </iron-selector>
+    </template>
+  </test-fixture>
+
+  <test-fixture id="test-attr-change">
+    <template>
+      <iron-selector id="selector" attr-for-selected="data-x" selected="x-1">
+        <div data-x="x-1" data-y="y-1">1</div>
+        <div data-x="x-2" data-y="y-2">2</div>
+        <div data-x="x-3" data-y="y-3">3</div>
+      </iron-selector>
+    </template>
+  </test-fixture>
+
+  <test-fixture id="test-attr-change-multi">
+    <template>
+      <iron-selector multi id="selector"
+                     attr-for-selected="data-x"
+                     selected-values='["x-1","x-2"]'>
+        <div data-x="x-1" data-y="y-1">1</div>
+        <div data-x="x-2" data-y="y-2">2</div>
+        <div data-x="x-3" data-y="y-3">3</div>
+      </iron-selector>
+    </template>
+  </test-fixture>
+
+  <script>
+
+    suite('selected attributes', function() {
+
+      var s;
+
+      setup(function () {
+        s = fixture('test');
+      });
+
+      test('custom selectedAttribute', function() {
+        // set selectedAttribute
+        s.selectedAttribute = 'myattr';
+        // check selected attribute (should not be there)
+        assert.isFalse(s.children[4].hasAttribute('myattr'));
+        // set selected
+        s.selected = 4;
+        // now selected attribute should be there
+        assert.isTrue(s.children[4].hasAttribute('myattr'));
+      });
+
+    });
+
+    suite('changing attrForSelected', function() {
+
+      var s;
+
+      setup(function () {
+        s = fixture('test-attr-change');
+      });
+
+      test('changing selectedAttribute', function() {
+        Polymer.dom.flush();
+        s.attrForSelected = 'data-y';
+        assert.equal(s.selected, 'y-1');
+      });
+
+    });
+
+    suite('changing attrForSelected in multi', function() {
+
+      var s;
+
+      setup(function () {
+        s = fixture('test-attr-change-multi');
+      });
+
+      test('changing selectedAttribute', function() {
+        Polymer.dom.flush();
+        s.attrForSelected = 'data-y';
+        assert.equal(s.selectedValues.length, 2);
+        assert.equal(s.selectedValues[0],'y-1');
+        assert.equal(s.selectedValues[1],'y-2');
+      });
+
+    });
+
+  </script>
+
+</body>
+</html>