1 /*
2 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package javafx.collections;
27
28 import java.util.Arrays;
29 import java.util.ArrayList;
30 import java.util.List;
31 import static org.junit.Assert.*;
32
33 public class MockMapObserver<K, V> implements MapChangeListener<K, V> {
34
35 private List<Call> calls = new ArrayList<Call>();
36
37 @Override
38 public void onChanged(Change<? extends K,? extends V> c) {
39 calls.add(new Call<K, V>(c.getKey(), c.getValueRemoved(), c.getValueAdded()));
40 }
41
42 public int getCallsNumber() {
43 return calls.size();
44 }
45
46 public void clear() {
47 calls.clear();
48 }
49
50 public void check0() {
51 assertEquals(0, calls.size());
52 }
53
54 public void assertAdded(Tuple<K, V> tuple) {
55 assertAdded(0, tuple);
56 }
57
58 public void assertAdded(int call, Tuple<K, V> tuple) {
59 assertTrue("Missing call to the observer # " + call, call < calls.size());
60 assertEquals(calls.get(call).key, tuple.key);
61 assertEquals(calls.get(call).added, tuple.val);
62 }
63
64 public void assertMultipleCalls(Call<K, V>... calls) {
65 assertEquals(this.calls.size(), calls.length);
66 for (Call<K,V> c : calls) {
67 assertTrue(Arrays.toString(calls) + " doesn't contain " + c, this.calls.contains(c));
68 }
69 }
70
71 public void assertMultipleRemove(Tuple<K, V>... tuples) {
72 assertEquals(this.calls.size(), tuples.length);
73 for (Tuple<K,V> t : tuples) {
74 assertTrue(calls + " doesn't contain " + t, this.calls.contains(new Call<K,V>(t.key, t.val, null)));
75 }
76 }
77
78 public void assertRemoved(Tuple<K, V> tuple) {
79 assertRemoved(0, tuple);
80 }
81
82 public void assertRemoved(int call, Tuple<K, V> tuple) {
83 assertTrue("Missing call to the observer # " + call, call < calls.size());
84 assertEquals(calls.get(call).key, tuple.key);
85 assertEquals(calls.get(call).removed, tuple.val);
86 }
87
88 public void assertMultipleRemoved(Tuple<K, V>... tuples) {
89 for (Tuple<K,V> t : tuples) {
90 boolean found = false;
91 for (Call c : calls ) {
92 if (c.key.equals(t.key)) {
93 assertEquals(c.removed, t.val);
94 found = true;
95 break;
96 }
97 }
98 assertTrue(found);
99 }
100 }
101
102 public static class Call<K, V> {
103 private K key;
104 private V removed;
105 private V added;
106
107 public Call(K key, V removed, V added) {
108 this.key = key;
109 this.removed = removed;
110 this.added = added;
111 }
112
113 public static<K, V> Call<K, V> call(K k, V o, V n) {
114 return new Call<K, V>(k, o, n);
115 }
116
117 @Override
118 @SuppressWarnings("unchecked")
119 public boolean equals(Object obj) {
120 if (obj == null) {
121 return false;
122 }
123 if (getClass() != obj.getClass()) {
124 return false;
125 }
126 final Call<K, V> other = (Call<K, V>) obj;
127 if (this.key != other.key && (this.key == null || !this.key.equals(other.key))) {
128 return false;
129 }
130 if (this.removed != other.removed && (this.removed == null || !this.removed.equals(other.removed))) {
131 return false;
132 }
133 if (this.added != other.added && (this.added == null || !this.added.equals(other.added))) {
134 return false;
135 }
136 return true;
137 }
138
139 @Override
140 public int hashCode() {
141 int hash = 7;
142 hash = 47 * hash + (this.key != null ? this.key.hashCode() : 0);
143 hash = 47 * hash + (this.removed != null ? this.removed.hashCode() : 0);
144 hash = 47 * hash + (this.added != null ? this.added.hashCode() : 0);
145 return hash;
146 }
147
148 @Override
149 public String toString() {
150 return "[ " + key + " -> " + added + " (" + removed + ") ]";
151 }
152
153 }
154
155 public static class Tuple<K, V> {
156 public K key;
157 public V val;
158
159 private Tuple(K key, V val) {
160 this.key = key;
161 this.val = val;
162 }
163
164 public static<K, V> Tuple<K, V> tup(K k, V v) {
165 return new Tuple<K, V>(k, v);
166 }
167 }
168
169 }