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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
  The complete set of authors may be found at http://polymer.github.io/AUTHORS
  The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS
  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
  -->
  <html>
  <head>
    <meta charset="UTF-8">
    <title>iron-list test</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>
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    <script src="../../iron-test-helpers/mock-interactions.js"></script>
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    <link rel="import" href="helpers.html">
    <link rel="import" href="x-list.html">
  
  </head>
  <body>
  
    <test-fixture id="trivialList">
      <template>
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        <x-list item-height="10"></x-list>
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      </template>
    </test-fixture>
  
    <script>
  
      suite('selection', function() {
        var list, container;
  
        setup(function() {
          container = fixture('trivialList');
          list = container.list;
        });
  
        test('single selection by item index', function(done) {
          list.items = buildDataSet(100);
  
          flush(function() {
            assert.isNull(list.selectedItem);
  
            list.selectItem(0);
  
            assert.deepEqual(list.selectedItem, list.items[0]);
  
            list.deselectItem(0);
  
            assert.deepEqual(list.selectedItem, null);
  
            list.selectItem(99);
  
            assert.deepEqual(list.selectedItem, list.items[99]);
  
            done();
          });
        });
  
        test('single selection by item object', function(done) {
          list.items = buildDataSet(100);
  
          flush(function() {
            assert.isNull(list.selectedItem);
  
            list.selectItem(list.items[50]);
  
            assert.deepEqual(list.selectedItem, list.items[50]);
  
            done();
          });
        });
  
        test('multi selection by item index', function(done) {
          list.items = buildDataSet(100);
  
          flush(function() {
            list.multiSelection = true;
  
            assert.isArray(list.selectedItems);
  
            list.selectItem(0);
            list.selectItem(50);
            list.selectItem(99);
  
            assert.equal(list.selectedItems.length, 3);
            assert.notEqual(list.selectedItems.indexOf(list.items[0]), -1);
            assert.notEqual(list.selectedItems.indexOf(list.items[50]), -1);
            assert.notEqual(list.selectedItems.indexOf(list.items[99]), -1);
            assert.equal(list.selectedItems.indexOf(list.items[2]), -1);
  
            done();
          });
        });
  
        test('multi selection by item object', function(done) {
          list.items = buildDataSet(100);
  
          flush(function() {
            list.multiSelection = true;
  
            assert.isArray(list.selectedItems);
  
            list.selectItem(list.items[0]);
            list.selectItem(list.items[50]);
            list.selectItem(list.items[99]);
  
            assert.equal(list.selectedItems.length, 3);
            assert.notEqual(list.selectedItems.indexOf(list.items[0]), -1);
            assert.notEqual(list.selectedItems.indexOf(list.items[50]), -1);
            assert.notEqual(list.selectedItems.indexOf(list.items[99]), -1);
            assert.equal(list.selectedItems.indexOf(list.items[2]), -1);
  
            done();
          });
        });
  
        test('clear selection', function(done) {
          list.items = buildDataSet(100);
  
          flush(function() {
            list.multiSelection = true;
  
            assert.isArray(list.selectedItems);
  
            list.items.forEach(function(item) {
               list.selectItem(item);
            });
  
            assert.equal(list.selectedItems.length, list.items.length);
  
            list.clearSelection();
  
            assert.equal(list.selectedItems.length, 0);
  
            done();
          });
        });
  
  
        test('toggle selection by item index', function(done) {
          list.items = buildDataSet(100);
  
          flush(function() {
            list.toggleSelectionForItem(0);
  
            assert.deepEqual(list.selectedItem, list.items[0]);
  
            list.toggleSelectionForItem(0);
  
            assert.isNull(list.selectedItem);
  
            done();
          });
        });
  
        test('toggle selection by item object', function(done) {
          list.items = buildDataSet(100);
  
          flush(function() {
            list.toggleSelectionForItem(list.items[0]);
  
            assert.deepEqual(list.selectedItem, list.items[0]);
  
            list.toggleSelectionForItem(list.items[0]);
  
            assert.isNull(list.selectedItem);
  
            done();
          });
        });
  
        test('change multi property', function(done) {
          list.items = buildDataSet(100);
  
          flush(function() {
            list.multiSelection = true;
  
            assert.isArray(list.selectedItems);
  
            list.multiSelection = false;
  
            assert.isNotArray(list.selectedItems);
            assert.isNull(list.selectedItems);
  
            list.multiSelection = true;
  
            assert.isArray(list.selectedItems);
  
            done();
          });
        });
  
        test('selectionEnabled with single selection', function(done) {
          list.items = buildDataSet(100);
  
          flush(function() {
            list.selectionEnabled = true;
  
            assert.isNull(list.selectedItem);
  
            // select item[0]
            MockInteractions.tap(list._physicalItems[0]);
  
            assert.deepEqual(list.selectedItem, list.items[0]);
  
            // select item[5] and deselect item[0]
            MockInteractions.tap(list._physicalItems[5]);
  
            // select item[1] and deselect item[5]
            MockInteractions.tap(list._physicalItems[1]);
  
            assert.deepEqual(list.selectedItem, list.items[1]);
  
            done();
          });
        });
  
        test('selectionEnabled with multiple selection', function(done) {
          list.items = buildDataSet(100);
  
          flush(function() {
            list.multiSelection = true;
  
            MockInteractions.tap(list._physicalItems[0]);
            assert.equal(list.selectedItems.length, 0);
  
            // enable the feature
            list.selectionEnabled = true;
  
            // select item[0]
            MockInteractions.tap(list._physicalItems[0]);
  
            assert.notEqual(list.selectedItems.indexOf(list.items[0]), -1);
  
            // multiple selection
            MockInteractions.tap(list._physicalItems[1]);
            MockInteractions.tap(list._physicalItems[5]);
            MockInteractions.tap(list._physicalItems[10]);
            MockInteractions.tap(list._physicalItems[12]);
  
            list.selectItem(0);
            list.deselectItem(1);
  
            assert.equal(list.selectedItems.indexOf(list.items[1]), -1);
            assert.notEqual(list.selectedItems.indexOf(list.items[0]), -1);
            assert.notEqual(list.selectedItems.indexOf(list.items[5]), -1);
            assert.notEqual(list.selectedItems.indexOf(list.items[10]), -1);
            assert.notEqual(list.selectedItems.indexOf(list.items[12]), -1);
  
            list.clearSelection();
  
            assert.equal(list.selectedItems.length, 0);
  
            // disable the feature
            list.selectionEnabled = false;
  
            MockInteractions.tap(list._physicalItems[1]);
  
            assert.equal(list.selectedItems.length, 0);
  
            done();
          });
        });
  
      test('toggle', function(done) {
        list.items = buildDataSet(100);
  
        flush(function() {
          list.selectionEnabled = true;
  
          MockInteractions.tap(list._physicalItems[0]);
  
          assert.deepEqual(list.selectedItem, list.items[0]);
  
          MockInteractions.tap(list._physicalItems[0]);
  
          assert.isNull(list.selectedItem);
  
          MockInteractions.tap(list._physicalItems[0]);
          list.clearSelection();
  
          assert.isNull(list.selectedItem);
  
          done();
        });
  
      });
  
       test('selectedAs', function(done) {
          list.items = buildDataSet(100);
  
          flush(function() {
            // multi selection
            list.multiSelection = true;
  
            assert.isFalse(list._physicalItems[0]._templateInstance.selected);
  
            list.selectItem(0);
  
            assert.isTrue(list._physicalItems[0]._templateInstance.selected);
  
            list.toggleSelectionForItem(0);
  
            assert.isFalse(list._physicalItems[0]._templateInstance.selected);
  
            // single selection
            list.multiSelection = false;
  
            list.selectItem(0);
            list.selectItem(10);
  
            assert.isFalse(list._physicalItems[0]._templateInstance.selected);
            assert.isTrue(list._physicalItems[10]._templateInstance.selected);
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            done();
          });
        });
  
  
        test('splice a selected item', function(done) {
          list.items = buildDataSet(100);
  
          flush(function() {
            // multi selection
            list.multiSelection = true;
  
            // select the first two items
            list.selectItem(0);
            list.selectItem(1);
  
            assert.equal(list.selectedItems.length, 2);
  
            // remove the first two items
            list.splice('items', 0, 2);
  
            assert.equal(list.selectedItems.length, 0);
  
            done();
          });
        });
      });
  
    </script>
  
  </body>
  </html>