1 /*
2 * Copyright (c) 2011, 2013, 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.binding;
27
28 import static javafx.binding.DependencyUtils.checkDependencies;
29 import javafx.beans.binding.Binding;
30 import javafx.beans.binding.Bindings;
31 import javafx.beans.property.BooleanProperty;
32 import javafx.beans.property.SimpleBooleanProperty;
33 import javafx.beans.value.ObservableValue;
34 import javafx.beans.value.WritableValue;
35
36 import org.junit.Before;
37 import org.junit.Test;
38
39 public abstract class WhenTestBase<T, P extends WritableValue<T> & ObservableValue<T>> {
40
41 static final float EPSILON_FLOAT = 1e-6f;
42 static final double EPSILON_DOUBLE = 1e-10;
43
44 public abstract Binding<T>[] generatePropertyPropertyList(P p0, P[] properties);
45
46 public abstract Binding<T> generatePropertyProperty(P p0, P p1);
47
48 public abstract Binding<T>[] generatePropertyPrimitive(P op0, T op1);
49
50 public abstract Binding<T>[] generatePrimitiveProperty(T op0, P op1);
51
52 public abstract Binding<T>[] generatePrimitivePrimitive(T op0, T op1);
53
54 public abstract void check(T expected, Binding<T> binding);
55
56 final BooleanProperty cond = new SimpleBooleanProperty();
57 final P p0;
58 final P[] properties;
59 private final T v0;
60 private final T v1;
61 private final T v2;
62 private final T v3;
63
64 public WhenTestBase(T v0, T v1, T v2, T v3, P p0, P... properties) {
65 this.v0 = v0;
66 this.v1 = v1;
67 this.v2 = v2;
68 this.v3 = v3;
69 this.p0 = p0;
70 this.properties = properties;
71 }
72
73 @Before
74 public void setUp() {
75 cond.set(false);
76 p0.setValue(v0);
77 for (final P p : properties) {
78 p.setValue(v1);
79 }
80 }
81
82 @Test
83 public void test_expression_expression() {
84 final Binding<T>[] bindings = generatePropertyPropertyList(p0, properties);
85 final int n = bindings.length;
86 for (int i=0; i<n; i++) {
87 final Binding<T> binding = bindings[i];
88 final P p1 = properties[i];
89 // check initial state
90 checkDependencies(binding.getDependencies(), cond, p0, p1);
91 check(p1.getValue(), binding);
92
93 // set first value
94 p0.setValue(v2);
95 check(p1.getValue(), binding);
96
97 // set second value
98 p1.setValue(v3);
99 check(p1.getValue(), binding);
100
101 // change condition
102 cond.set(true);
103 check(v2, binding);
104
105 // set first value
106 p0.setValue(v0);
107 check(v0, binding);
108
109 // set second value
110 p1.setValue(v1);
111 check(v0, binding);
112
113 // change condition
114 cond.set(false);
115 check(p1.getValue(), binding);
116 }
117 }
118
119 @Test
120 public void test_expression_primitive() {
121 final Binding<T>[] bindings = generatePropertyPrimitive(p0, v1);
122 for (final Binding<T> binding : bindings) {
123 // check initial state
124 checkDependencies(binding.getDependencies(), cond, p0);
125 check(v1, binding);
126
127 // set first value
128 p0.setValue(v2);
129 check(v1, binding);
130
131 // change condition
132 cond.set(true);
133 check(v2, binding);
134
135 // set first value
136 p0.setValue(v0);
137 check(v0, binding);
138
139 // change condition
140 cond.set(false);
141 check(v1, binding);
142 }
143 }
144
145 @Test
146 public void test_primitive_expression() {
147 final Binding<T>[] bindings = generatePrimitiveProperty(v1, p0);
148 for (final Binding<T> binding : bindings) {
149 // check initial state
150 checkDependencies(binding.getDependencies(), cond, p0);
151 check(v0, binding);
152
153 // set second value
154 p0.setValue(v3);
155 check(v3, binding);
156
157 // change condition
158 cond.set(true);
159 check(v1, binding);
160
161 // set second value
162 p0.setValue(v0);
163 check(v1, binding);
164
165 // change condition
166 cond.set(false);
167 check(v0, binding);
168 }
169 }
170
171 @Test
172 public void test_primitive_primitive() {
173 final Binding<T>[] bindings = generatePrimitivePrimitive(v0, v1);
174 for (final Binding<T> binding : bindings) {
175 // check initial state
176 checkDependencies(binding.getDependencies(), cond);
177 check(v1, binding);
178
179 // change condition
180 cond.set(true);
181 check(v0, binding);
182
183 // change condition
184 cond.set(false);
185 check(v1, binding);
186 }
187 }
188
189 @Test(expected=NullPointerException.class)
190 public void test_Null() {
191 Bindings.when(null);
192 }
193
194 @Test(expected=NullPointerException.class)
195 public void test_Null_expression() {
196 generatePropertyProperty(null, p0);
197 }
198
199 @Test(expected=NullPointerException.class)
200 public void test_expression_Null() {
201 generatePropertyProperty(p0, null);
202 }
203
204 @Test(expected=NullPointerException.class)
205 public void test_Null_primitive() {
206 generatePropertyPrimitive(null, v1);
207 }
208
209 @Test(expected=NullPointerException.class)
210 public void test_primitive_Null() {
211 generatePrimitiveProperty(v0, null);
212 }
213 }