| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| package { |
| import mx.collections.ArrayList; |
| import mx.collections.ComplexSortField; |
| import mx.collections.IList; |
| import mx.collections.ListCollectionView; |
| import mx.collections.Sort; |
| import mx.collections.SortField; |
| import mx.utils.ObjectUtil; |
| |
| import org.flexunit.asserts.assertEquals; |
| |
| public class ListCollectionView_FLEX_34837_Tests { |
| private var _sut:ListCollectionView; |
| |
| [Before] |
| public function setUp():void |
| { |
| _sut = new ListCollectionView(new ArrayList()); |
| } |
| |
| [After] |
| public function tearDown():void |
| { |
| _sut = null; |
| } |
| |
| [Test] |
| public function test_sort_by_complex_fields_with_custom_compare_function_for_sort():void |
| { |
| function compareByStreet(a:ListCollectionView_FLEX_34837_VO, b:ListCollectionView_FLEX_34837_VO, fields:Array):int |
| { |
| var streetA:String = a.address ? a.address.street : null; |
| var streetB:String = b.address ? b.address.street : null; |
| |
| return ObjectUtil.stringCompare(streetA, streetB, true); |
| } |
| |
| //given |
| var from4To0:IList = generateVOs(5, true); |
| _sut.addAll(from4To0); //values["address.street"]: Street4, Street3, Street2, Street1, Street0 |
| |
| const sortByStreetAscending:Sort = new Sort(); |
| sortByStreetAscending.fields = [new ComplexSortField("address.street", false, false, false)]; //should make no difference |
| sortByStreetAscending.compareFunction = compareByStreet; |
| _sut.sort = sortByStreetAscending; |
| |
| //when |
| _sut.refresh(); //should be: Street0, Street1, Street2, Street3, Street4 |
| |
| //then |
| assertIndexesAre([0, 1, 2, 3, 4]); |
| } |
| |
| [Test] |
| public function test_sort_by_complex_fields_with_custom_compare_function_for_sort_field():void |
| { |
| function compareByStreet(a:ListCollectionView_FLEX_34837_VO, b:ListCollectionView_FLEX_34837_VO):int |
| { |
| var streetA:String = a.address ? a.address.street : null; |
| var streetB:String = b.address ? b.address.street : null; |
| |
| return ObjectUtil.stringCompare(streetA, streetB, true); |
| } |
| |
| //given |
| var from4To0:IList = generateVOs(5, true); |
| _sut.addAll(from4To0); //values["address.street"]: Street4, Street3, Street2, Street1, Street0 |
| |
| const sortByStreetAscending:Sort = new Sort(); |
| var sortField:SortField = new ComplexSortField("address.street", false, false, false); |
| sortField.compareFunction = compareByStreet; |
| sortByStreetAscending.fields = [sortField]; |
| _sut.sort = sortByStreetAscending; |
| |
| //when |
| _sut.refresh(); //should be: Street0, Street1, Street2, Street3, Street4 |
| |
| //then |
| assertIndexesAre([0, 1, 2, 3, 4]); |
| } |
| |
| [Test] |
| public function test_changing_simple_sort_field_value_places_it_correctly_according_to_collection_sort():void |
| { |
| //given |
| var from1To4:IList = generateVOs(5); |
| from1To4.removeItemAt(0); |
| _sut.addAll(from1To4); |
| |
| const sortByNameAscending:Sort = new Sort(); |
| sortByNameAscending.fields = [new SortField("name", false, false, false)]; |
| _sut.sort = sortByNameAscending; |
| _sut.refresh(); //values: Object1, Object2, Object3, Object4 |
| |
| //when |
| const newItem:ListCollectionView_FLEX_34837_VO = generateOneObject(5); |
| _sut.addItem(newItem); //values: Object1, Object2, Object3, Object4, Object5 |
| newItem.name = "Object0"; //this should immediately place the newItem at position 0 |
| |
| //then |
| const newItemIndex:int = _sut.getItemIndex(newItem); |
| assertEquals("the new item should have been placed at the beginning of the list as soon as its name was changed", 0, newItemIndex); |
| } |
| |
| |
| private function assertIndexesAre(indexes:Array):void |
| { |
| assertEquals(indexes.length, _sut.length); |
| |
| for(var i:int = 0; i < _sut.length; i++) |
| { |
| assertEquals(ListCollectionView_FLEX_34837_VO(_sut.getItemAt(i)).index, indexes[i]); |
| } |
| } |
| |
| |
| private static function generateVOs(no:int, reverse:Boolean = false):IList |
| { |
| return generateObjects(no, reverse, generateOneObject); |
| } |
| |
| private static function generateObjects(no:int, reverse:Boolean, generator:Function):IList |
| { |
| var result:Array = []; |
| for(var i:int = 0; i < no; i++) |
| { |
| result.push(generator(i)); |
| } |
| |
| if(reverse) |
| result.reverse(); |
| |
| return new ArrayList(result); |
| } |
| |
| private static function generateOneObject(index:Number):ListCollectionView_FLEX_34837_VO |
| { |
| return new ListCollectionView_FLEX_34837_VO(index, "Object", "Street"); |
| } |
| } |
| } |
| |
| [Bindable] |
| class ListCollectionView_FLEX_34837_VO |
| { |
| public var name:String; |
| public var address:ListCollectionView_FLEX_34837_AddressVO; |
| public var index:Number; |
| |
| public function ListCollectionView_FLEX_34837_VO(index:Number, namePrefix:String, streetPrefix:String) |
| { |
| this.index = index; |
| this.name = namePrefix + index; |
| this.address = new ListCollectionView_FLEX_34837_AddressVO(streetPrefix + index); |
| } |
| } |
| |
| [Bindable] |
| class ListCollectionView_FLEX_34837_AddressVO |
| { |
| public var street:String; |
| |
| public function ListCollectionView_FLEX_34837_AddressVO(street:String) |
| { |
| this.street = street; |
| } |
| } |