| /* |
| * 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 groovy.bugs |
| |
| import groovy.test.GroovyTestCase |
| |
| class Groovy3509Bug extends GroovyTestCase { |
| |
| void testGPathInconcistency() { |
| def data = [ |
| [a: null], |
| [a: [b: 1]], |
| [a: [b: 2]] |
| ] |
| assert data.a.b.sum() == 3 |
| |
| data = [ |
| [a: [b: 1]], |
| [a: [b: 2]], |
| [a: null] |
| ] |
| assert data.a.b.sum() == 3 |
| |
| data = [ |
| [a: [b: [c:1]]], |
| [a: [b: null]], |
| [a: [b: [c:2]]] |
| ] |
| assert data.a.b.c.sum() == 3 |
| } |
| |
| void testOriginalCase() { |
| // initialize structure |
| def root = new Root() |
| for (i in 0..2) { |
| def level1 = new Level1() |
| level1.level2 = new Level2() |
| level1.level2.level3 = i |
| root.level1 << level1 |
| } |
| |
| // given |
| assert root.level1[0].level2.level3 == 0 |
| assert root.level1[1].level2.level3 == 1 |
| assert root.level1[2].level2.level3 == 2 |
| |
| // then |
| assert root?.level1?.level2?.level3.sum() == 3 |
| |
| // but now we have a null property in between |
| root.level1[0].level2 = null |
| |
| // even with this intermediary null node, we should still get 3 |
| assert root?.level1?.level2?.level3.sum() == 3 |
| } |
| } |
| |
| class Root { |
| List level1 = [] |
| } |
| |
| class Level2 { |
| Integer level3 |
| } |
| |
| class Level1 { |
| Level2 level2 |
| } |