[MD Bookmarks] Refine mouse selection

chrome/test/data/webui/md_bookmarks/list_test.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 suite('<bookmarks-list>', function() {
   var list;
   var store;
 
   setup(function() {
     store = new bookmarks.TestStore({
       nodes: testTree(createFolder(
-          '0',
+          '10',
           [
             createItem('1'),
             createFolder('3', []),
             createItem('5'),
             createItem('7'),
           ])),
-      selectedFolder: '0',
+      selectedFolder: '10',
     });
     bookmarks.Store.instance_ = store;
 
     list = document.createElement('bookmarks-list');
     list.style.height = '100%';
     list.style.width = '100%';
     list.style.position= 'absolute';
 
     replaceBody(list);
     Polymer.dom.flush();
   });
 
   test('renders correct <bookmark-item> elements', function() {
     var items = list.root.querySelectorAll('bookmarks-item');
     var ids = Array.from(items).map((item) => item.itemId);
 
     assertDeepEquals(['1', '3', '5', '7'], ids);
   });
 
   test('shift-selects multiple items', function() {
     var items = list.root.querySelectorAll('bookmarks-item');
 
     customClick(items[0]);
 
     assertEquals('select-items', store.lastAction.name);
-    assertFalse(store.lastAction.add);
+    assertTrue(store.lastAction.clear);
     assertEquals('1', store.lastAction.anchor);
     assertDeepEquals(['1'], store.lastAction.items);
 
     store.data.selection.anchor = '1';
     customClick(items[2], {shiftKey: true, ctrlKey: true});
 
     assertEquals('select-items', store.lastAction.name);
-    assertTrue(store.lastAction.add);
+    assertFalse(store.lastAction.clear);
     assertEquals('1', store.lastAction.anchor);
     assertDeepEquals(['1', '3', '5'], store.lastAction.items);
   });
 
   test('deselects items on click outside of card', function() {
     customClick(list);
     assertEquals('deselect-items', store.lastAction.name);
   });
 
   test('adds, deletes, and moves update displayedList_', function() {
     list.displayedIds_ = ['1', '7', '3', '5'];
     assertDeepEquals(list.displayedIds_, list.displayedList_.map(n => n.id));
 
     list.displayedIds_ = ['1', '3', '5'];
     assertDeepEquals(list.displayedIds_, list.displayedList_.map(n => n.id));
 
     list.displayedIds_ = ['1', '3', '7', '5'];
     assertDeepEquals(list.displayedIds_, list.displayedList_.map(n => n.id));
   });
 });
+
+suite('<bookmarks-list> integration test', function() {
+  var list;
+  var store;
+  var items;
+
+  setup(function() {
+    store = new bookmarks.TestStore({
+      nodes: testTree(createFolder(
+          '10',
+          [
+            createItem('1'),
+            createFolder('3', []),
+            createItem('5'),
+            createItem('7'),
+            createItem('9'),
+          ])),
+      selectedFolder: '10',
+    });
+    bookmarks.Store.instance_ = store;
+    store.setReducersEnabled(true);
+
+    list = document.createElement('bookmarks-list');
+    list.style.height = '100%';
+    list.style.width = '100%';
+    list.style.position = 'absolute';
+
+    replaceBody(list);
+    Polymer.dom.flush();
+
+    items = list.root.querySelectorAll('bookmarks-item');
+  });
+
+  test('shift-selects multiple items', function() {
+    customClick(items[1]);
+    assertDeepEquals(['3'], normalizeSet(store.data.selection.items));
+    assertDeepEquals('3', store.data.selection.anchor);
+
+    customClick(items[3], {shiftKey: true});
+    assertDeepEquals(['3', '5', '7'], normalizeSet(store.data.selection.items));
+    assertDeepEquals('3', store.data.selection.anchor);
+
+    customClick(items[0], {shiftKey: true});
+    assertDeepEquals(['1', '3'], normalizeSet(store.data.selection.items));
+    assertDeepEquals('3', store.data.selection.anchor);
+  });
+
+  test('ctrl toggles multiple items', function() {
+    customClick(items[1]);
+    assertDeepEquals(['3'], normalizeSet(store.data.selection.items));
+    assertDeepEquals('3', store.data.selection.anchor);
+
+    customClick(items[3], {ctrlKey: true});
+    assertDeepEquals(['3', '7'], normalizeSet(store.data.selection.items));
+    assertDeepEquals('7', store.data.selection.anchor);
+
+    customClick(items[1], {ctrlKey: true});
+    assertDeepEquals(['7'], normalizeSet(store.data.selection.items));
+    assertDeepEquals('3', store.data.selection.anchor);
+  });
+
+  test('ctrl+shift adds ranges to selection', function() {
+    customClick(items[0]);
+    assertDeepEquals(['1'], normalizeSet(store.data.selection.items));
+    assertDeepEquals('1', store.data.selection.anchor);
+
+    customClick(items[2], {ctrlKey: true});
+    assertDeepEquals(['1', '5'], normalizeSet(store.data.selection.items));
+    assertDeepEquals('5', store.data.selection.anchor);
+
+    customClick(items[4], {ctrlKey: true, shiftKey: true});
+    assertDeepEquals(
+        ['1', '5', '7', '9'], normalizeSet(store.data.selection.items));
+    assertDeepEquals('5', store.data.selection.anchor);
+
+    customClick(items[0], {ctrlKey: true, shiftKey: true});
+    assertDeepEquals(
+        ['1', '3', '5', '7', '9'], normalizeSet(store.data.selection.items));
+    assertDeepEquals('5', store.data.selection.anchor);
+  });
+});