1 /*
2 * Copyright (c) 2015, 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 import java.io.UnsupportedEncodingException;
25 import java.nio.charset.Charset;
26 import java.util.HashMap;
27 import java.util.Map;
28
29 import org.testng.annotations.BeforeClass;
30
31 /*
32 * Base class of tests for Compact String.
33 *
34 */
35 public class CompactString {
36
37 final Map<String, Map<String, String>> map = new HashMap<>();
38
39 enum StringSources {
40 EMPTY(STRING_EMPTY, BYTE_ARRAY_EMTPY, CHAR_ARRAY_EMPTY,
41 POINT_ARRAY_EMTPY), LDUPLICATE(STRING_LDUPLICATE,
42 BYTE_ARRAY_LDUPLICATE, CHAR_ARRAY_LDUPLICATE,
43 POINT_ARRAY_LDUPLICATE), LLONG(STRING_LLONG, BYTE_ARRAY_LLONG,
44 CHAR_ARRAY_LLONG, POINT_ARRAY_LLONG), L1(STRING_L1,
45 BYTE_ARRAY_L1, CHAR_ARRAY_L1, POINT_ARRAY_L1), L2(STRING_L2,
46 BYTE_ARRAY_L2, CHAR_ARRAY_L2, POINT_ARRAY_L2), L4(STRING_L4,
47 BYTE_ARRAY_L4, CHAR_ARRAY_L4, POINT_ARRAY_L4), UDUPLICATE(
48 STRING_UDUPLICATE, BYTE_ARRAY_UDUPLICATE,
49 CHAR_ARRAY_UDUPLICATE, POINT_ARRAY_UDUPLICATE), U1(STRING_U1,
50 BYTE_ARRAY_U1, CHAR_ARRAY_U1, POINT_ARRAY_U1), U2(STRING_U2,
51 BYTE_ARRAY_U2, CHAR_ARRAY_U2, POINT_ARRAY_U2), MDUPLICATE1(
52 STRING_MDUPLICATE1, BYTE_ARRAY_MDUPLICATE1,
53 CHAR_ARRAY_MDUPLICATE1, POINT_ARRAY_MDUPLICATE1), MDUPLICATE2(
54 STRING_MDUPLICATE2, BYTE_ARRAY_MDUPLICATE2,
55 CHAR_ARRAY_MDUPLICATE2, POINT_ARRAY_MDUPLICATE2), MLONG1(
56 STRING_MLONG1, BYTE_ARRAY_MLONG1, CHAR_ARRAY_MLONG1,
57 POINT_ARRAY_MLONG1), MLONG2(STRING_MLONG2, BYTE_ARRAY_MLONG2,
58 CHAR_ARRAY_MLONG2, POINT_ARRAY_MLONG2), M11(STRING_M11,
59 BYTE_ARRAY_M11, CHAR_ARRAY_M11, POINT_ARRAY_M11), M12(
60 STRING_M12, BYTE_ARRAY_M12, CHAR_ARRAY_M12, POINT_ARRAY_M12), SUPPLEMENTARY(
61 STRING_SUPPLEMENTARY, BYTE_ARRAY_SUPPLEMENTARY,
62 CHAR_ARRAY_SUPPLEMENTARY, POINT_ARRAY_SUPPLEMENTARY), SUPPLEMENTARY_LOWERCASE(
63 STRING_SUPPLEMENTARY_LOWERCASE,
64 BYTE_ARRAY_SUPPLEMENTARY_LOWERCASE,
65 CHAR_ARRAY_SUPPLEMENTARY_LOWERCASE,
66 POINT_ARRAY_SUPPLEMENTARY_LOWERCASE);
67
68 private StringSources(String s, byte[] b, char[] c, int[] i) {
69 str = s;
70 ba = b;
71 ca = c;
72 ia = i;
73 }
74
75 String getString() {
76 return str;
77 }
78
79 byte[] getByteArray() {
80 return ba;
81 }
82
83 char[] getCharArray() {
84 return ca;
85 }
86
87 int[] getIntArray() {
88 return ia;
89 }
90
91 private final String str;
92 private final byte[] ba;
93 private final char[] ca;
94 private final int[] ia;
95 }
96
97 protected static final String DEFAULT_CHARSET_NAME = "UTF-8";
98 protected static final Charset DEFAULT_CHARSET = Charset
99 .forName(DEFAULT_CHARSET_NAME);
100
101 protected static final String STRING_EMPTY = "";
102 protected static final byte[] BYTE_ARRAY_EMTPY = new byte[0];
103 protected static final char[] CHAR_ARRAY_EMPTY = new char[0];
104 protected static final int[] POINT_ARRAY_EMTPY = new int[0];
105
106 protected static final String STRING_LDUPLICATE = "ABABABABAB";
107 protected static final byte[] BYTE_ARRAY_LDUPLICATE = new byte[] { 'A', 'B',
108 'A', 'B', 'A', 'B', 'A', 'B', 'A', 'B' };
109 protected static final char[] CHAR_ARRAY_LDUPLICATE = new char[] { 'A', 'B',
110 'A', 'B', 'A', 'B', 'A', 'B', 'A', 'B' };
111 protected static final int[] POINT_ARRAY_LDUPLICATE = new int[] { 'A', 'B',
112 'A', 'B', 'A', 'B', 'A', 'B', 'A', 'B' };
113
114 protected static final String STRING_LLONG = "ABCDEFGH";
115 protected static final byte[] BYTE_ARRAY_LLONG = new byte[] { 'A', 'B', 'C',
116 'D', 'E', 'F', 'G', 'H' };
117 protected static final char[] CHAR_ARRAY_LLONG = new char[] { 'A', 'B', 'C',
118 'D', 'E', 'F', 'G', 'H' };
119 protected static final int[] POINT_ARRAY_LLONG = new int[] { 'A', 'B', 'C',
120 'D', 'E', 'F', 'G', 'H' };
121
122 protected static final String STRING_L1 = "A";
123 protected static final byte[] BYTE_ARRAY_L1 = new byte[] { 'A' };
124 protected static final char[] CHAR_ARRAY_L1 = new char[] { 'A' };
125 protected static final int[] POINT_ARRAY_L1 = new int[] { 'A' };
126
127 protected static final String STRING_L2 = "AB";
128 protected static final byte[] BYTE_ARRAY_L2 = new byte[] { 'A', 'B' };
129 protected static final char[] CHAR_ARRAY_L2 = new char[] { 'A', 'B' };
130 protected static final int[] POINT_ARRAY_L2 = new int[] { 'A', 'B' };
131
132 protected static final String STRING_L4 = "ABCD";
133 protected static final byte[] BYTE_ARRAY_L4 = new byte[] { 'A', 'B', 'C', 'D' };
134 protected static final char[] CHAR_ARRAY_L4 = new char[] { 'A', 'B', 'C', 'D' };
135 protected static final int[] POINT_ARRAY_L4 = new int[] { 'A', 'B', 'C', 'D' };
136
137 /*
138 * Because right now ASCII is the default encoding parameter for source code
139 * in JDK build environment, so we escape them. same as below.
140 */
141 protected static final String STRING_UDUPLICATE = "\uFF21\uFF22\uFF21\uFF22\uFF21\uFF22\uFF21\uFF22\uFF21\uFF22";
142 protected static final byte[] BYTE_ARRAY_UDUPLICATE = getBytes(STRING_UDUPLICATE);
143 protected static final char[] CHAR_ARRAY_UDUPLICATE = new char[] { '\uFF21',
144 '\uFF22', '\uFF21', '\uFF22', '\uFF21', '\uFF22', '\uFF21',
145 '\uFF22', '\uFF21', '\uFF22' };
146 protected static final int[] POINT_ARRAY_UDUPLICATE = new int[] { '\uFF21',
147 '\uFF22', '\uFF21', '\uFF22', '\uFF21', '\uFF22', '\uFF21',
148 '\uFF22', '\uFF21', '\uFF22' };
149
150 protected static final String STRING_U1 = "\uFF21";
151 protected static final byte[] BYTE_ARRAY_U1 = getBytes(STRING_U1);
152 protected static final char[] CHAR_ARRAY_U1 = new char[] { '\uFF21' };
153 protected static final int[] POINT_ARRAY_U1 = new int[] { '\uFF21' };
154
155 protected static final String STRING_U2 = "\uFF21\uFF22";
156 protected static final byte[] BYTE_ARRAY_U2 = getBytes(STRING_U2);
157 protected static final char[] CHAR_ARRAY_U2 = new char[] { '\uFF21', '\uFF22' };
158 protected static final int[] POINT_ARRAY_U2 = new int[] { '\uFF21', '\uFF22' };
159
160 protected static final String STRING_MDUPLICATE1 = "\uFF21A\uFF21A\uFF21A\uFF21A\uFF21A";
161 protected static final byte[] BYTE_ARRAY_MDUPLICATE1 = getBytes(STRING_MDUPLICATE1);
162 protected static final char[] CHAR_ARRAY_MDUPLICATE1 = new char[] { '\uFF21',
163 'A', '\uFF21', 'A', '\uFF21', 'A', '\uFF21', 'A', '\uFF21', 'A' };
164 protected static final int[] POINT_ARRAY_MDUPLICATE1 = new int[] { '\uFF21',
165 'A', '\uFF21', 'A', '\uFF21', 'A', '\uFF21', 'A', '\uFF21', 'A' };
166
167 protected static final String STRING_MDUPLICATE2 = "A\uFF21A\uFF21A\uFF21A\uFF21A\uFF21";
168 protected static final byte[] BYTE_ARRAY_MDUPLICATE2 = getBytes(STRING_MDUPLICATE2);
169 protected static final char[] CHAR_ARRAY_MDUPLICATE2 = new char[] { 'A',
170 '\uFF21', 'A', '\uFF21', 'A', '\uFF21', 'A', '\uFF21', 'A',
171 '\uFF21' };
172 protected static final int[] POINT_ARRAY_MDUPLICATE2 = new int[] { 'A',
173 '\uFF21', 'A', '\uFF21', 'A', '\uFF21', 'A', '\uFF21', 'A',
174 '\uFF21' };
175
176 protected static final String STRING_MLONG1 = "A\uFF21B\uFF22C\uFF23D\uFF24E\uFF25F\uFF26G\uFF27H\uFF28";
177 protected static final byte[] BYTE_ARRAY_MLONG1 = getBytes(STRING_MLONG1);
178 protected static final char[] CHAR_ARRAY_MLONG1 = new char[] { 'A', '\uFF21',
179 'B', '\uFF22', 'C', '\uFF23', 'D', '\uFF24', 'E', '\uFF25', 'F',
180 '\uFF26', 'G', '\uFF27', 'H', '\uFF28' };
181 protected static final int[] POINT_ARRAY_MLONG1 = new int[] { 'A', '\uFF21',
182 'B', '\uFF22', 'C', '\uFF23', 'D', '\uFF24', 'E', '\uFF25', 'F',
183 '\uFF26', 'G', '\uFF27', 'H', '\uFF28' };
184
185 protected static final String STRING_MLONG2 = "\uFF21A\uFF22B\uFF23C\uFF24D\uFF25E\uFF26F\uFF27G\uFF28H";
186 protected static final byte[] BYTE_ARRAY_MLONG2 = getBytes(STRING_MLONG2);
187 protected static final char[] CHAR_ARRAY_MLONG2 = new char[] { '\uFF21', 'A',
188 '\uFF22', 'B', '\uFF23', 'C', '\uFF24', 'D', '\uFF25', 'E',
189 '\uFF26', 'F', '\uFF27', 'G', '\uFF28', 'H' };
190 protected static final int[] POINT_ARRAY_MLONG2 = new int[] { '\uFF21', 'A',
191 '\uFF22', 'B', '\uFF23', 'C', '\uFF24', 'D', '\uFF25', 'E',
192 '\uFF26', 'F', '\uFF27', 'G', '\uFF28', 'H' };
193
194 protected static final String STRING_M11 = "A\uFF21";
195 protected static final byte[] BYTE_ARRAY_M11 = getBytes(STRING_M11);
196 protected static final char[] CHAR_ARRAY_M11 = new char[] { 'A', '\uFF21' };
197 protected static final int[] POINT_ARRAY_M11 = new int[] { 'A', '\uFF21' };
198
199 protected static final String STRING_M12 = "\uFF21A";
200 protected static final byte[] BYTE_ARRAY_M12 = getBytes(STRING_M12);
201 protected static final char[] CHAR_ARRAY_M12 = new char[] { '\uFF21', 'A' };
202 protected static final int[] POINT_ARRAY_M12 = new int[] { '\uFF21', 'A' };
203
204 protected static final String STRING_SUPPLEMENTARY = "\uD801\uDC00\uD801\uDC01\uFF21A";
205 protected static final byte[] BYTE_ARRAY_SUPPLEMENTARY = getBytes(STRING_SUPPLEMENTARY);
206 protected static final char[] CHAR_ARRAY_SUPPLEMENTARY = new char[] {
207 '\uD801', '\uDC00', '\uD801', '\uDC01', '\uFF21', 'A' };
208 protected static final int[] POINT_ARRAY_SUPPLEMENTARY = new int[] {
209 '\uD801', '\uDC00', '\uD801', '\uDC01', '\uFF21', 'A' };
210
211 protected static final String STRING_SUPPLEMENTARY_LOWERCASE = "\uD801\uDC28\uD801\uDC29\uFF41a";
212 protected static final byte[] BYTE_ARRAY_SUPPLEMENTARY_LOWERCASE = getBytes(STRING_SUPPLEMENTARY_LOWERCASE);
213 protected static final char[] CHAR_ARRAY_SUPPLEMENTARY_LOWERCASE = new char[] {
214 '\uD801', '\uDC28', '\uD801', '\uDC29', '\uFF41', 'a' };
215 protected static final int[] POINT_ARRAY_SUPPLEMENTARY_LOWERCASE = new int[] {
216 '\uD801', '\uDC28', '\uD801', '\uDC29', '\uFF41', 'a' };
217
218 protected static final String SRC_BYTE_ARRAY_WITH_CHARSETNAME = "source from byte array with charset name";
219 protected static final String SRC_BYTE_ARRAY_WITH_CHARSET = "source from byte array with charset";
220 protected static final String SRC_CHAR_ARRAY = "source from char array";
221 protected static final String SRC_POINT_ARRAY = "source from code point array";
222 protected static final String SRC_STRING = "source from String";
223 protected static final String SRC_STRINGBUFFER = "source from StringBuffer";
224 protected static final String SRC_STRINGBUILDER = "source from StringBuilder";
225 protected static final String SRC_COPYVALUEOF = "source from copyValueOf from char array";
226 protected static final String SRC_VALUEOF = "source from valueOf from char array";
227
228 static {
229 System.out
230 .println(String
231 .format("====== The platform's default charset is \"%s\", we're using \"%s\" for testing.",
232 Charset.defaultCharset().name(),
233 DEFAULT_CHARSET_NAME));
234 }
235
236 private static byte[] getBytes(String str) {
237 byte[] res = null;
238 try {
239 res = str.getBytes(DEFAULT_CHARSET_NAME);
240 } catch (UnsupportedEncodingException e) {
241 e.printStackTrace();
242 throw new RuntimeException("caught UnsupportedEncodingException!!!", e);
243 }
244 return res;
245 }
246
247 private void setUpOneString(String content, byte[] ba, char[] ca, int[] cpa)
248 throws UnsupportedEncodingException {
249 final Map<String, String> m = new HashMap<>();
250 m.put(SRC_BYTE_ARRAY_WITH_CHARSETNAME, new String(ba,
251 DEFAULT_CHARSET_NAME));
252 m.put(SRC_BYTE_ARRAY_WITH_CHARSET, new String(ba, DEFAULT_CHARSET));
253 m.put(SRC_CHAR_ARRAY, new String(ca));
254 m.put(SRC_POINT_ARRAY, new String(cpa, 0, cpa.length));
255 m.put(SRC_STRING, new String(content));
256 m.put(SRC_STRINGBUFFER, new String(new StringBuffer(content)));
257 m.put(SRC_STRINGBUILDER, new String(new StringBuilder(content)));
258 m.put(SRC_COPYVALUEOF, String.copyValueOf(ca));
259 m.put(SRC_VALUEOF, String.valueOf(ca));
260 map.put(content, m);
261 }
262
263 /*
264 * Set up the test data, use 9 ways to construct one String.
265 *
266 * @throws UnsupportedEncodingException
267 * If the named charset is not supported in setUpOneString(xxx).
268 */
269 @BeforeClass
270 public void setUp() throws UnsupportedEncodingException {
271 for (StringSources src : StringSources.values()) {
272 setUpOneString(src.getString(), src.getByteArray(),
273 src.getCharArray(), src.getIntArray());
274 }
275 }
276
277 /*
278 * Escape non-ASCII characters since not all systems support them.
279 */
280 protected String escapeNonASCIIs(String str) {
281 StringBuilder sb = new StringBuilder();
282 for (int i = 0; i < str.length(); i++) {
283 char c = str.charAt(i);
284 if (c > 0x7F) {
285 sb.append("\\u").append(Integer.toHexString((int) c));
286 } else {
287 sb.append(c);
288 }
289 }
290 return sb.toString();
291 }
292
293 /*
294 * Escape non-ASCII characters since not all systems support them.
295 */
296 protected String escapeNonASCII(char c) {
297 StringBuilder sb = new StringBuilder();
298 if (c > 0x7F) {
299 sb.append("\\u").append(Integer.toHexString((int) c));
300 } else {
301 sb.append(c);
302 }
303 return sb.toString();
304 }
305 }