2 *******************************************************************************
3 * Copyright (C) 2007-2010, International Business Machines
4 * Corporation and others. All Rights Reserved.
5 *******************************************************************************
8 package com.ibm.icu.dev.test.bidi;
10 import java.awt.font.NumericShaper;
11 import java.awt.font.TextAttribute;
12 import java.text.AttributedCharacterIterator;
13 import java.text.AttributedString;
15 import com.ibm.icu.text.Bidi;
18 * Regression test for java.text.Bidi compatibility
20 * @author Matitiahu Allouche
23 public class TestCompatibility extends BidiTest {
25 void compareBidi(Bidi bidi, java.text.Bidi jbidi)
27 byte paraLevel = bidi.getParaLevel();
28 if (bidi.baseIsLeftToRight() != jbidi.baseIsLeftToRight()) {
29 errln("Discrepancy in baseIsLeftToRight for case " +
30 "(level=" + paraLevel + "): " +
31 u16ToPseudo(bidi.getTextAsString()) +
32 "\n bidi: " + bidi.baseIsLeftToRight() +
33 "\n jbidi: " + jbidi.baseIsLeftToRight());
35 if (bidi.getBaseLevel() != jbidi.getBaseLevel()) {
36 errln("Discrepancy in getBaseLevel for case " +
37 "(level=" + paraLevel + "): " +
38 u16ToPseudo(bidi.getTextAsString()) +
39 "\n bidi: " + bidi.getBaseLevel() +
40 "\n jbidi: " + jbidi.getBaseLevel());
42 if (bidi.getLength() != jbidi.getLength()) {
43 errln("Discrepancy in getLength for case " +
44 "(level=" + paraLevel + "): " +
45 u16ToPseudo(bidi.getTextAsString()) +
46 "\n bidi: " + bidi.getLength() +
47 "\n jbidi: " + jbidi.getLength());
49 int len = bidi.getLength();
50 for (int i = 0; i < len; i++) {
51 if (bidi.getLevelAt(i) != jbidi.getLevelAt(i)) {
52 errln("Discrepancy in getLevelAt for offset " + i +
54 "(level=" + paraLevel + "): " +
55 u16ToPseudo(bidi.getTextAsString()) +
56 "\n bidi: " + bidi.getLevelAt(i) +
57 "\n jbidi: " + jbidi.getLevelAt(i));
60 if (bidi.getRunCount() != jbidi.getRunCount()) {
61 if (!(len == 0 && jbidi.getRunCount() == 1)) {
62 errln("Discrepancy in getRunCount for case " +
63 "(level=" + paraLevel + "): " +
64 u16ToPseudo(bidi.getTextAsString()) +
65 "\n bidi: " + bidi.getRunCount() +
66 "\n jbidi: " + jbidi.getRunCount());
69 int runCount = bidi.getRunCount();
70 for (int i = 0; i < runCount; i++) {
71 if (bidi.getRunLevel(i) != jbidi.getRunLevel(i)) {
72 errln("Discrepancy in getRunLevel for run " + i +
74 "(level=" + paraLevel + "): " +
75 u16ToPseudo(bidi.getTextAsString()) +
76 "\n bidi: " + bidi.getRunLevel(i) +
77 "\n jbidi: " + jbidi.getRunLevel(i));
79 if (bidi.getRunLimit(i) != jbidi.getRunLimit(i)) {
80 errln("Discrepancy in getRunLimit for run " + i +
82 "(level=" + paraLevel + "): " +
83 u16ToPseudo(bidi.getTextAsString()) +
84 "\n bidi: " + bidi.getRunLimit(i) +
85 "\n jbidi: " + jbidi.getRunLimit(i));
87 if (bidi.getRunStart(i) != jbidi.getRunStart(i)) {
88 errln("Discrepancy in getRunStart for run " + i +
90 "(level=" + paraLevel + "): " +
91 u16ToPseudo(bidi.getTextAsString()) +
92 "\n bidi: " + bidi.getRunStart(i) +
93 "\n jbidi: " + jbidi.getRunStart(i));
96 if (bidi.isLeftToRight() != jbidi.isLeftToRight()) {
97 errln("Discrepancy in isLeftToRight for case " +
98 "(level=" + paraLevel + "): " +
99 u16ToPseudo(bidi.getTextAsString()) +
100 "\n bidi: " + bidi.isLeftToRight() +
101 "\n jbidi: " + jbidi.isLeftToRight());
103 if (bidi.isMixed() != jbidi.isMixed()) {
104 errln("Discrepancy in isMixed for case " +
105 "(level=" + paraLevel + "): " +
106 u16ToPseudo(bidi.getTextAsString()) +
107 "\n bidi: " + bidi.isMixed() +
108 "\n jbidi: " + jbidi.isMixed());
110 if (bidi.isRightToLeft() != jbidi.isRightToLeft()) {
111 errln("Discrepancy in isRightToLeft for case " +
112 "(level=" + paraLevel + "): " +
113 u16ToPseudo(bidi.getTextAsString()) +
114 "\n bidi: " + bidi.isRightToLeft() +
115 "\n jbidi: " + jbidi.isRightToLeft());
117 char[] text = bidi.getText();
118 if (Bidi.requiresBidi(text, 0, text.length) !=
119 java.text.Bidi.requiresBidi(text, 0, text.length)) {
120 errln("Discrepancy in requiresBidi for case " +
121 u16ToPseudo(bidi.getTextAsString()) +
122 "\n bidi: " + Bidi.requiresBidi(text, 0, text.length) +
123 "\n jbidi: " + java.text.Bidi.requiresBidi(text, 0, text.length));
125 /* skip the next test, since the toString implementation are
127 if (!bidi.toString().equals(jbidi.toString())) {
128 errln("Discrepancy in toString for case " +
129 "(level=" + paraLevel + "): " +
130 u16ToPseudo(bidi.getTextAsString() +
131 "\n bidi: " + bidi.toString() +
132 "\n jbidi: " + jbidi.toString()));
137 public void testCompatibility()
139 // This test case does not work well on Java 1.4/1.4.1 environment,
140 // because of insufficient Bidi implementation in these versions.
141 // This test case also does not work will with Java 1.7 environment,
142 // because the changes to the Java Bidi implementation.
143 String javaVersion = System.getProperty("java.version");
144 if (javaVersion.startsWith("1.4.0") || javaVersion.startsWith("1.4.1") || javaVersion.startsWith("1.7")) {
145 logln("\nSkipping TestCompatibility. The test case is known to fail on Java "
146 + javaVersion + "\n");
149 logln("\nEntering TestCompatibility\n");
150 /* check constant field values */
152 val = Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT;
153 val = Bidi.DIRECTION_DEFAULT_RIGHT_TO_LEFT;
154 val = Bidi.DIRECTION_LEFT_TO_RIGHT;
155 val = Bidi.DIRECTION_RIGHT_TO_LEFT;
156 logln("last val = " + val);
159 /* the following 2 cases are skipped, because
160 * java.text.Bidi has bugs which cause discrepancies
170 "abc GHIJ 12345 def KLM"
172 int dataCnt = data.length;
174 java.text.Bidi jbidi;
175 for (int i = 0; i < dataCnt; i++) {
176 String src = pseudoToU16(data[i]);
177 bidi = new Bidi(src, Bidi.DIRECTION_LEFT_TO_RIGHT);
178 jbidi = new java.text.Bidi(src, java.text.Bidi.DIRECTION_LEFT_TO_RIGHT);
179 compareBidi(bidi, jbidi);
180 bidi = new Bidi(src, Bidi.DIRECTION_RIGHT_TO_LEFT);
181 jbidi = new java.text.Bidi(src, java.text.Bidi.DIRECTION_RIGHT_TO_LEFT);
182 compareBidi(bidi, jbidi);
183 char[] chars = src.toCharArray();
184 bidi = new Bidi(chars, 0, null, 0, chars.length, Bidi.DIRECTION_LEFT_TO_RIGHT);
185 jbidi = new java.text.Bidi(chars, 0, null, 0, chars.length, java.text.Bidi.DIRECTION_LEFT_TO_RIGHT);
186 compareBidi(bidi, jbidi);
188 /* check bogus flags */
189 bidi = new Bidi("abc", 999);
190 assertEquals("\nDirection should be LTR", Bidi.LTR, bidi.getDirection());
191 /* check constructor with overriding embeddings */
192 bidi = new Bidi(new char[] { 's', 's', 's' }, 0,
193 new byte[] {(byte) -7, (byte) -2, (byte) -3 },
194 0, 3, Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT);
195 jbidi = new java.text.Bidi(new char[] { 's', 's', 's' }, 0,
196 new byte[] {(byte) -7, (byte) -2, (byte) -3 },
197 0, 3, Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT);
199 AttributedString as = new AttributedString("HEBREW 123 english MOREHEB");
200 as.addAttribute(TextAttribute.RUN_DIRECTION, TextAttribute.RUN_DIRECTION_RTL);
201 as.addAttribute(TextAttribute.NUMERIC_SHAPING, NumericShaper.getShaper(NumericShaper.ARABIC));
202 as.addAttribute(TextAttribute.BIDI_EMBEDDING, new Integer(1), 0, 26);
203 as.addAttribute(TextAttribute.BIDI_EMBEDDING, new Integer(-1), 0, 6);
204 as.addAttribute(TextAttribute.BIDI_EMBEDDING, new Integer(-1), 19, 26);
205 AttributedCharacterIterator aci = as.getIterator();
206 bidi = new Bidi(aci);
207 jbidi = new java.text.Bidi(aci);
208 compareBidi(bidi, jbidi);
209 String out = bidi.writeReordered(0);
210 logln("Output #1 of Bidi(AttributedCharacterIterator): " + out);
212 as = new AttributedString("HEBREW 123 english MOREHEB");
213 as.addAttribute(TextAttribute.RUN_DIRECTION, TextAttribute.RUN_DIRECTION_RTL);
214 as.addAttribute(TextAttribute.BIDI_EMBEDDING, new Integer(0), 0, 26);
215 aci = as.getIterator();
216 bidi = new Bidi(aci);
217 jbidi = new java.text.Bidi(aci);
218 compareBidi(bidi, jbidi);
219 out = bidi.writeReordered(0);
220 logln("Output #2 of Bidi(AttributedCharacterIterator): " + out);
222 as = new AttributedString("HEBREW 123 english MOREHEB");
223 aci = as.getIterator();
224 bidi = new Bidi(aci);
225 jbidi = new java.text.Bidi(aci);
226 compareBidi(bidi, jbidi);
227 out = bidi.writeReordered(0);
228 logln("Output #3 of Bidi(AttributedCharacterIterator): " + out);
230 char[] text = "abc==(123)==>def".toCharArray();
231 bidi = new Bidi(text, 3, null, 0, 10, Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT);
232 jbidi = new java.text.Bidi(text, 3, null, 0, 10, java.text.Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT);
233 compareBidi(bidi, jbidi);
234 out = bidi.writeReordered(0);
235 logln("Output of Bidi(abc==(123)==>def,3,null,0,10, DEFAULT_LTR): " + out);
236 bidi = new Bidi(text, 3, null, 0, 10, Bidi.DIRECTION_DEFAULT_RIGHT_TO_LEFT);
237 jbidi = new java.text.Bidi(text, 3, null, 0, 10, java.text.Bidi.DIRECTION_DEFAULT_RIGHT_TO_LEFT);
238 compareBidi(bidi, jbidi);
239 out = bidi.writeReordered(0);
240 logln("Output of Bidi(abc==(123)==>def,3,null,0,10, DEFAULT_RTL): " + out);
241 byte[] levels = new byte[] {0,0,0,-1,-1,-1,0,0,0,0};
242 bidi = new Bidi(text, 3, levels, 0, 10, Bidi.DIRECTION_LEFT_TO_RIGHT);
243 jbidi = new java.text.Bidi(text, 3, levels, 0, 10, java.text.Bidi.DIRECTION_LEFT_TO_RIGHT);
244 compareBidi(bidi, jbidi);
245 out = bidi.writeReordered(0);
246 logln("Output of Bidi(abc==(123)==>def,3,levels,0,10, LTR): " + out);
247 bidi = new Bidi(text, 3, levels, 0, 10, Bidi.DIRECTION_DEFAULT_RIGHT_TO_LEFT);
248 jbidi = new java.text.Bidi(text, 3, levels, 0, 10, java.text.Bidi.DIRECTION_DEFAULT_RIGHT_TO_LEFT);
249 compareBidi(bidi, jbidi);
250 out = bidi.writeReordered(0);
251 logln("Output of Bidi(abc==(123)==>def,3,levels,0,10, DEFAULT_RTL): " + out);
253 /* test reorderVisually */
254 byte[] myLevels = new byte[] {1,2,0,1,2,1,2,0,1,2};
255 Character[] objects = new Character[10];
256 levels = new byte[objects.length];
257 for (int i = 0; i < objects.length; i++) {
258 objects[i] = new Character((char)('a'+i));
259 levels[i] = myLevels[i];
261 Bidi.reorderVisually(levels, 3, objects, 3, 7);
263 for (int i = 0; i < objects.length; i++) {
264 strbidi += objects[i].toString();
266 for (int i = 0; i < objects.length; i++) {
267 objects[i] = new Character((char)('a'+i));
268 levels[i] = myLevels[i];
270 java.text.Bidi.reorderVisually(levels, 3, objects, 3, 7);
271 String strjbidi = "";
272 for (int i = 0; i < objects.length; i++) {
273 strjbidi += objects[i].toString();
275 if (!strjbidi.equals(strbidi)) {
276 errln("Discrepancy in reorderVisually " +
277 "\n bidi: " + strbidi +
278 "\n jbidi: " + strjbidi);
280 logln("Correct match in reorderVisually " +
281 "\n bidi: " + strbidi +
282 "\n jbidi: " + strjbidi);
285 logln("\nExiting TestCompatibility\n");
288 public static void main(String[] args) {
290 new TestCompatibility().run(args);
292 catch (Exception e) {
293 System.out.println(e);