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21 package com.db4o.db4ounit.jre12.collections.custom;
22
23 import java.util.*;
24
25 import com.db4o.*;
26 import com.db4o.db4ounit.common.sampledata.*;
27 import com.db4o.ext.*;
28 import com.db4o.query.*;
29
30 import db4ounit.*;
31 import db4ounit.extensions.*;
32
33
34
37 public class Db4oLinkedListTestCase extends AbstractDb4oTestCase {
38
39 public static class Db4oLinkedListHelper{
40 public Db4oLinkedListHelper i_child;
41 public List i_childList;
42
43 }
44
45 static final int COUNT = 10;
46
47 static class Data {
48 List i_list;
49 Db4oLinkedListHelper i_helper;
50 List i_subList;
51 }
52
53 private List createList() {
54 return db().collections().newLinkedList();
55 }
56
57 protected void store(){
58 Data data=new Data();
59 data.i_list = createList();
60 setDefaultValues(data);
61 data.i_helper = helper(10);
62 store(data);
63 }
64
65 private Db4oLinkedListHelper helper(int a_depth){
66 if(a_depth > 0){
67 Db4oLinkedListHelper helper = new Db4oLinkedListHelper();
68 helper.i_childList = createList();
69 helper.i_childList.add("hi");
70 helper.i_child = helper(a_depth - 1);
71 return helper;
72 }
73 return null;
74 }
75
76 private void setDefaultValues(Data data){
77 data.i_list.add(new AtomData("wow"));
78 data.i_list.add(new AtomData("cool"));
79 data.i_list.add(new AtomData("great"));
80 }
81
82 public void test() throws Exception  {
83 Data data=(Data) retrieveOnlyInstance(Data.class);
84 checkHelper(data.i_helper);
85 runElementTest(data,true);
86
87 reopen();
88
89 restoreMembers(data);
90 checkHelper(data.i_helper);
91 runElementTest(data,false);
92
93 }
94
95
96 private void runElementTest(Data data,boolean onOriginal) throws Exception {
97
98
99 List otherList = new ArrayList();
100 Iterator i = data.i_list.iterator();
101 AtomData atom = (AtomData)i.next();
102 Assert.areEqual("wow",atom.name);
103 otherList.add(atom);
104 atom = (AtomData)i.next();
105 Assert.areEqual("cool",atom.name);
106 otherList.add(atom);
107 atom = (AtomData)i.next();
108 Assert.areEqual("great",atom.name);
109 otherList.add(atom);
110 Assert.areEqual(3,data.i_list.size());
111 Assert.isFalse(data.i_list.isEmpty());
112 db().deactivate(data.i_list, Integer.MAX_VALUE);
113 Assert.areEqual("great",((AtomData)data.i_list.get(data.i_list.size() - 1)).name);
114 db().deactivate(data.i_list, Integer.MAX_VALUE);
115
116 if(onOriginal){
117 Query q = newQuery();
118 Data template = new Data();
119 template.i_list = createList();
120 template.i_list.add(new AtomData("cool"));
121 q.constrain(template);
122 ObjectSet qResult = q.execute();
123 Assert.areEqual(1,qResult.size());
124 Assert.areEqual(data,qResult.next());
125 }
126
127
128 Assert.isTrue(data.i_list.containsAll(otherList));
129
130 otherList.clear();
131
132 Object [] arr = data.i_list.toArray();
133 Assert.areEqual(3,arr.length);
134 atom = (AtomData)arr[0];
135 Assert.areEqual("wow",atom.name);
136 atom = (AtomData)arr[1];
137 Assert.areEqual("cool",atom.name);
138 atom = (AtomData)arr[2];
139 Assert.areEqual("great",atom.name);
140
141
142 i = data.i_list.iterator();
143 atom = (AtomData)i.next();
144 Assert.areEqual("wow",atom.name);
145 atom = (AtomData)i.next();
146 Assert.areEqual("cool",atom.name);
147 atom = (AtomData)i.next();
148 Assert.areEqual("great",atom.name);
149 Assert.areEqual(3,data.i_list.size());
150 Assert.isFalse(i.hasNext());
151
152 db().deactivate(data.i_list, Integer.MAX_VALUE);
153 Assert.isFalse(data.i_list.isEmpty());
154 db().deactivate(data.i_list, Integer.MAX_VALUE);
155 data.i_list.add(new AtomData("yup"));
156 Assert.areEqual(4,data.i_list.size());
157 i = data.i_list.iterator();
158 atom = (AtomData)i.next();
159 Assert.areEqual("wow",atom.name);
160 atom = (AtomData)i.next();
161 Assert.areEqual("cool",atom.name);
162 AtomData toRemove = (AtomData)i.next();
163 Assert.areEqual("great",toRemove.name);
164 atom = (AtomData)i.next();
165 Assert.areEqual("yup",atom.name);
166 Assert.isFalse(i.hasNext());
167
168 Assert.isTrue(data.i_list.remove(toRemove));
169 Assert.isFalse(data.i_list.remove(toRemove));
170
171 db().deactivate(data.i_list, Integer.MAX_VALUE);
172 i = data.i_list.iterator();
173 atom = (AtomData)i.next();
174 Assert.areEqual("wow",atom.name);
175 atom = (AtomData)i.next();
176 Assert.areEqual("cool",atom.name);
177 otherList.add(atom);
178 atom = (AtomData)i.next();
179 Assert.areEqual("yup",atom.name);
180 otherList.add(atom);
181 Assert.areEqual(3,data.i_list.size());
182
183 Assert.isTrue(data.i_list.removeAll(otherList));
184 Assert.isFalse(data.i_list.removeAll(otherList));
185 Assert.areEqual(1,data.i_list.size());
186 i = data.i_list.iterator();
187 atom = (AtomData)i.next();
188 Assert.areEqual("wow",atom.name);
189 Assert.isFalse(i.hasNext());
190
191 data.i_list.addAll(otherList);
192 Assert.areEqual(3,data.i_list.size());
193 i = data.i_list.iterator();
194 atom = (AtomData)i.next();
195 Assert.areEqual("wow",atom.name);
196 atom = (AtomData)i.next();
197 Assert.areEqual("cool",atom.name);
198 atom = (AtomData)i.next();
199 Assert.areEqual("yup",atom.name);
200 Assert.isFalse(i.hasNext());
201
202
203 AtomData[] atarr = new AtomData[1];
204 atarr = (AtomData[])data.i_list.toArray(atarr);
205 Assert.areEqual("wow",atarr[0].name);
206 Assert.areEqual("cool",atarr[1].name);
207 Assert.areEqual("yup",atarr[2].name);
208
209 Assert.isTrue(data.i_list.removeAll(otherList));
210
211 data.i_list.addAll(0, otherList);
212 i = data.i_list.iterator();
213 atom = (AtomData)i.next();
214 Assert.areEqual("cool",atom.name);
215 i.remove();
216 atom = (AtomData)i.next();
217 Assert.areEqual("yup",atom.name);
218 i.remove();
219 atom = (AtomData)i.next();
220 Assert.areEqual("wow",atom.name);
221 Assert.isFalse(i.hasNext());
222 Assert.areEqual(1,data.i_list.size());
223
224 for (int j = 0; j < COUNT; j++) {
225 data.i_list.add("more and more " + j);
226 }
227 Assert.areEqual(COUNT + 1,data.i_list.size());
228 lookupLast(data);
229
230 db().deactivate(data.i_list, Integer.MAX_VALUE);
231 lookupLast(data);
232
233 reopen();
234 restoreMembers(data);
235
236 lookupLast(data);
237
238 String str = (String )data.i_list.set(10, new AtomData("yo"));
239 Assert.areEqual("more and more 9",str);
240
241 atom = (AtomData)data.i_list.remove(10);
242 Assert.areEqual("yo",atom.name);
243
244 data.i_list.add(5, new AtomData("sure"));
245 Assert.areEqual(COUNT+1,data.i_list.size());
246 atom = (AtomData)data.i_list.remove(5);
247 Assert.areEqual("sure",atom.name);
248
249 data.i_list.add(0, new AtomData("sure"));
250 Assert.areEqual("sure",((AtomData)data.i_list.get(0)).name);
251 Assert.areEqual(COUNT + 1,data.i_list.size());
252 data.i_list.add(data.i_list.size(), new AtomData("sure"));
253 Assert.areEqual(COUNT + 2,data.i_list.size());
254 Assert.areEqual("sure",((AtomData)data.i_list.get(data.i_list.size() - 1)).name);
255
256 atom = (AtomData)data.i_list.set(0, "huh");
257 Assert.areEqual("sure",atom.name);
258 Assert.areEqual(COUNT + 2,data.i_list.size());
259
260 data.i_list.clear();
261 Assert.areEqual(0,data.i_list.size());
262 setDefaultValues(data);
263 }
264
265 private void restoreMembers(Data data){
266 Query q = newQuery();
267 q.constrain(Data.class);
268 ObjectSet objectSet = q.execute();
269 Data dll = (Data)objectSet.next();
270 data.i_list = dll.i_list;
271 data.i_helper = dll.i_helper;
272 }
273
274 private void lookupLast(Data data){
275 String str = (String )data.i_list.get(COUNT);
276 Assert.areEqual("more and more " + (COUNT - 1),str);
277 }
278
279 void checkHelper(Db4oLinkedListHelper helper){
280 ExtObjectContainer con = db();
281 if(con.isActive(helper)){
282 Assert.areEqual("hi",helper.i_childList.get(0));
283 checkHelper(helper.i_child);
284 }
285 }
286 }
287 |
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