[MD Bookmarks] Refine mouse selection

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

 // Copyright 2017 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.
 
 /**
  * @fileoverview Test suite for action creators that depend on the page state
  * and/or have non-trivial logic.
  */
 
 suite('selectItem', function() {
   var store;
   var action;
 
   setup(function() {
     store = new bookmarks.TestStore({
       nodes: testTree(createFolder(
           '1',
           [
             createItem('2'),
             createItem('8'),
             createFolder('4', []),
             createItem('6'),
           ])),
       selectedFolder: '1',
     });
   });
 
   test('can select single item', function() {
-    action = bookmarks.actions.selectItem('2', true, false, store.data);
+    action = bookmarks.actions.selectItem('2', store.data, {
+      clear: false,
+      range: false,
+      toggle: false,
+    });
     var expected = {
       name: 'select-items',
       items: ['2'],
-      add: true,
+      clear: false,
+      toggle: false,
       anchor: '2',
     };
     assertDeepEquals(expected, action);
   });
 
   test('can shift-select in regular list', function() {
     store.data.selection.anchor = '2';
-    action = bookmarks.actions.selectItem('4', false, true, store.data);
+    action = bookmarks.actions.selectItem('4', store.data, {
+      clear: true,
+      range: true,
+      toggle: false,
+    });
 
     assertDeepEquals(['2', '8', '4'], action.items);
     // Shift-selection doesn't change anchor.
     assertDeepEquals('2', action.anchor);
   });
 
   test('can shift-select in search results', function() {
     store.data.selectedFolder = null;
     store.data.search = {
       term: 'test',
       results: ['1', '4', '8'],
       inProgress: false,
     };
     store.data.selection.anchor = '8';
 
-    action = bookmarks.actions.selectItem('4', false, true, store.data);
+    action = bookmarks.actions.selectItem('4', store.data, {
+      clear: true,
+      range: true,
+      toggle: false,
+    });
 
     assertDeepEquals(['4', '8'], action.items);
   });
 
   test('selects the item when the anchor is missing', function() {
     // Anchor hasn't been set yet.
     store.data.selection.anchor = null;
 
-    action = bookmarks.actions.selectItem('4', true, true, store.data);
+    action = bookmarks.actions.selectItem('4', store.data, {
+      clear: false,
+      range: true,
+      toggle: false,
+    });
     assertEquals('4', action.anchor);
     assertDeepEquals(['4'], action.items);
 
     // Anchor set to an item which doesn't exist.
     store.data.selection.anchor = '42';
 
-    action = bookmarks.actions.selectItem('8', true, true, store.data);
+    action = bookmarks.actions.selectItem('8', store.data, {
+      clear: false,
+      range: true,
+      toggle: false,
+    });
     assertEquals('8', action.anchor);
     assertDeepEquals(['8'], action.items);
   });
 });
 
 test('selectFolder prevents selecting invalid nodes', function() {
   var nodes = testTree(createFolder('1', [
     createItem('2'),
   ]));
 
   var action = bookmarks.actions.selectFolder(ROOT_NODE_ID, nodes);
   assertEquals(null, action);
 
   action = bookmarks.actions.selectFolder('2', nodes);
   assertEquals(null, action);
 
   action = bookmarks.actions.selectFolder('42', nodes);
   assertEquals(null, action);
 
   action = bookmarks.actions.selectFolder('1', nodes);
   assertEquals('select-folder', action.name);
   assertEquals('1', action.id);
 });