1 /*
2 * Copyright (c) 2016, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 8153943
27 * @summary Test verifies whether equals() and hashCode() methods in
28 * ComponentColorModel works properly.
29 * @run main ComponentColorModelEqualsTest
30 */
31
32 import java.awt.Transparency;
33 import java.awt.color.ColorSpace;
34 import java.awt.image.ComponentColorModel;
35 import java.awt.image.DataBuffer;
36
37 public class ComponentColorModelEqualsTest {
38
39 private static void testTransferTypeEquality() {
40 // test with different transfertype values.
41 ComponentColorModel model1 =
42 new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB),
43 new int[] {8, 8, 8},
44 false,
45 false,
46 Transparency.OPAQUE,
47 DataBuffer.TYPE_BYTE);
48 ComponentColorModel model2 =
49 new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB),
50 new int[] {8, 8, 8},
51 false,
52 false,
53 Transparency.OPAQUE,
54 DataBuffer.TYPE_INT);
55 if (model1.equals(model2)) {
56 throw new RuntimeException("equals() method is determining"
57 + " TransferType equality improperly");
58 }
59 if (model2.equals(model1)) {
60 throw new RuntimeException("equals() method is determining"
61 + " TransferType equality improperly");
62 }
63 }
64 private static void testConstructor1() {
65 /*
66 * verify equality with constructor
67 * ComponentColorModel(ColorSpace colorSpace,
68 * int[] bits,
69 * boolean hasAlpha,
70 * boolean isAlphaPremultiplied,
71 * int transparency,
72 * int transferType)
73 */
74 ComponentColorModel model1 =
75 new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB),
76 new int[] {8, 8, 8},
77 false,
78 false,
79 Transparency.OPAQUE,
80 DataBuffer.TYPE_BYTE);
81 ComponentColorModel model2 =
82 new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB),
83 new int[] {8, 8, 8},
84 false,
85 false,
86 Transparency.OPAQUE,
87 DataBuffer.TYPE_BYTE);
88 if (model1.equals(null)) {
89 throw new RuntimeException("equals(null) returns true");
90 }
91 if (!(model1.equals(model2))) {
92 throw new RuntimeException("equals() method is not working"
93 + " properly");
94 }
95 if (!(model2.equals(model1))) {
96 throw new RuntimeException("equals() method is not working"
97 + " properly");
98 }
99 if (model1.hashCode() != model2.hashCode()) {
100 throw new RuntimeException("HashCode is not same for same"
101 + " ComponentColorModels");
102 }
103 }
104
105 private static void testConstructor2() {
106 /*
107 * verify equality with constructor
108 * ComponentColorModel(ColorSpace colorSpace,
109 * boolean hasAlpha,
110 * boolean isAlphaPremultiplied,
111 * int transparency,
112 * int transferType)
113 */
114 ComponentColorModel model1 =
115 new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB),
116 false,
117 false,
118 Transparency.OPAQUE,
119 DataBuffer.TYPE_BYTE);
120 ComponentColorModel model2 =
121 new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB),
122 false,
123 false,
124 Transparency.OPAQUE,
125 DataBuffer.TYPE_BYTE);
126 if (model1.equals(null)) {
127 throw new RuntimeException("equals(null) returns true");
128 }
129 if (!(model1.equals(model2))) {
130 throw new RuntimeException("equals() method is not working"
131 + " properly");
132 }
133 if (!(model2.equals(model1))) {
134 throw new RuntimeException("equals() method is not working"
135 + " properly");
136 }
137 if (model1.hashCode() != model2.hashCode()) {
138 throw new RuntimeException("HashCode is not same for same"
139 + " ComponentColorModels");
140 }
141 }
142
143 private static void testSameComponentColorModel() {
144 testConstructor1();
145 testConstructor2();
146 }
147 public static void main(String[] args) {
148 // verify ComponentColorModel with different transfer type.
149 testTransferTypeEquality();
150 // verify ComponentColorModel equality using different constructors.
151 testSameComponentColorModel();
152 }
153 }