Source Code Cross Referenced for TestParagraphStyles.java in  » Internationalization-Localization » icu4j » com » ibm » richtext » test » unit » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Internationalization Localization » icu4j » com.ibm.richtext.test.unit 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * (C) Copyright IBM Corp. 1998-2004.  All Rights Reserved.
003:         *
004:         * The program is provided "as is" without any warranty express or
005:         * implied, including the warranty of non-infringement and the implied
006:         * warranties of merchantibility and fitness for a particular purpose.
007:         * IBM will not be liable for any damages suffered by you as a result
008:         * of using the Program. In no event will IBM be liable for any
009:         * special, indirect or consequential damages or lost profits even if
010:         * IBM has been advised of the possibility of their occurrence. IBM
011:         * will not be liable for any third party claims against you.
012:         */
013:        package com.ibm.richtext.test.unit;
014:
015:        import com.ibm.icu.dev.test.TestFmwk;
016:
017:        import com.ibm.richtext.styledtext.StyledText;
018:        import com.ibm.richtext.styledtext.MConstText;
019:        import com.ibm.richtext.styledtext.MText;
020:        import com.ibm.richtext.textlayout.attributes.AttributeMap;
021:        import com.ibm.richtext.styledtext.StyleModifier;
022:        import java.util.Random;
023:
024:        public final class TestParagraphStyles extends TestFmwk {
025:
026:            static final String COPYRIGHT = "(C) Copyright IBM Corp. 1998-1999 - All Rights Reserved";
027:
028:            public static void main(String[] args) throws Exception {
029:
030:                new TestParagraphStyles().run(args);
031:            }
032:
033:            private static final int RAND_SEED = 1234;
034:            private static final int NUM_TESTS = 2500;
035:
036:            private static final boolean isParagraphBreak(char c) {
037:
038:                return c == '\u2029' || c == '\n';
039:            }
040:
041:            private static final Object KEY = "KEY";
042:            private static final AttributeMap PLAIN = AttributeMap.EMPTY_ATTRIBUTE_MAP;
043:            private static final AttributeMap A_STYLE = new AttributeMap(KEY,
044:                    new Character('a'));
045:            private static final StyleModifier A_MOD = StyleModifier
046:                    .createReplaceModifier(A_STYLE);
047:            private static final AttributeMap B_STYLE = new AttributeMap(KEY,
048:                    new Character('b'));
049:            private static final StyleModifier B_MOD = StyleModifier
050:                    .createReplaceModifier(B_STYLE);
051:            private static final AttributeMap C_STYLE = new AttributeMap(KEY,
052:                    new Character('c'));
053:            private static final StyleModifier C_MOD = StyleModifier
054:                    .createReplaceModifier(C_STYLE);
055:            private static final AttributeMap D_STYLE = new AttributeMap(KEY,
056:                    new Character('d'));
057:            private static final StyleModifier D_MOD = StyleModifier
058:                    .createReplaceModifier(D_STYLE);
059:            private static final AttributeMap E_STYLE = new AttributeMap(KEY,
060:                    new Character('e'));
061:            private static final StyleModifier E_MOD = StyleModifier
062:                    .createReplaceModifier(E_STYLE);
063:
064:            public void test() {
065:
066:                easyTests();
067:                randomTest();
068:            }
069:
070:            private void easyTests() {
071:
072:                MText text = new StyledText("a\nb\nc\nd\n", PLAIN);
073:                text.modifyParagraphStyles(0, text.length(), A_MOD);
074:                verifyParagraphCount(text);
075:
076:                MText src = new StyledText("XXX\nYYY", PLAIN);
077:                src.modifyParagraphStyles(0, src.length(), B_MOD);
078:                verifyParagraphCount(src);
079:
080:                MText temp = text.extractWritable(0, text.length());
081:                temp.append(src);
082:                verifyParagraphCount(temp);
083:                for (int i = 0; i < text.length(); i++) {
084:                    if (!temp.paragraphStyleAt(i).equals(
085:                            text.paragraphStyleAt(i))) {
086:                        errln("Paragraph styles are wrong");
087:                    }
088:                }
089:                for (int i = 0; i < src.length(); i++) {
090:                    if (!temp.paragraphStyleAt(i + text.length()).equals(
091:                            src.paragraphStyleAt(i))) {
092:                        errln("Paragraph styles are wrong");
093:                    }
094:                }
095:
096:                temp = text.extractWritable(0, text.length());
097:                temp.replace(0, 1, src, 0, src.length());
098:                verifyParagraphCount(temp);
099:                if (temp.paragraphLimit(0) != 4) {
100:                    errln("Paragraph limit is wrong");
101:                }
102:                if (!temp.paragraphStyleAt(0).equals(B_STYLE)) {
103:                    errln("First style is wrong");
104:                }
105:                if (!temp.paragraphStyleAt(4).equals(A_STYLE)) {
106:                    errln("Style after insert is wrong");
107:                }
108:
109:                // test append
110:                MConstText newSrc = src.extract(4, 7);
111:                MText initC = new StyledText("cccccc", PLAIN);
112:                initC.modifyParagraphStyles(0, initC.length(), C_MOD);
113:                initC.append(newSrc);
114:                // now initC should be one paragraph with style B
115:                if (initC.paragraphLimit(0) != initC.length()) {
116:                    errln("Should only be one paragraph");
117:                }
118:                if (initC.paragraphStyleAt(0) != initC.paragraphStyleAt(initC
119:                        .length())) {
120:                    errln("Two different paragraph styles");
121:                }
122:                if (!initC.paragraphStyleAt(initC.length() / 2).equals(B_STYLE)) {
123:                    errln("Incorrect paragraph style");
124:                }
125:
126:                text = new StyledText("aaa\n", PLAIN);
127:                text.modifyParagraphStyles(0, text.length(), A_MOD);
128:                text.modifyParagraphStyles(text.length(), text.length(), B_MOD);
129:                if (text.paragraphStyleAt(text.length()) != B_STYLE) {
130:                    errln("0-length paragraph at end has incorrect style");
131:                }
132:            }
133:
134:            private static int randInt(Random rand, int limit) {
135:
136:                return randInt(rand, 0, limit);
137:            }
138:
139:            private static int randInt(Random rand, int start, int limit) {
140:
141:                if (start > limit) {
142:                    throw new IllegalArgumentException("Range is 0-length.");
143:                } else if (start == limit) {
144:                    return start;
145:                }
146:
147:                return start + (Math.abs(rand.nextInt()) % (limit - start));
148:            }
149:
150:            private void randomTest() {
151:
152:                MText noParagraph = new StyledText("zzzz", PLAIN);
153:                noParagraph.modifyParagraphStyles(0, noParagraph.length(),
154:                        A_MOD);
155:                MText twoParagraphs = new StyledText("aaa\nbbb", PLAIN);
156:                twoParagraphs.modifyParagraphStyles(0, twoParagraphs
157:                        .paragraphLimit(0), B_MOD);
158:                MText threeParagraphs = new StyledText("cc\ndd\nee", PLAIN);
159:                threeParagraphs.modifyParagraphStyles(0, 3, C_MOD);
160:                threeParagraphs.modifyParagraphStyles(3, 6, D_MOD);
161:                threeParagraphs.modifyParagraphStyles(6, 8, E_MOD);
162:                MText trailingP1 = new StyledText("hhhh\n", PLAIN);
163:                trailingP1.modifyParagraphStyles(0, trailingP1
164:                        .paragraphLimit(0), C_MOD);
165:                MText trailingP2 = new StyledText("iii\n", PLAIN);
166:                trailingP2.modifyParagraphStyles(0, 0, D_MOD);
167:                trailingP2.modifyParagraphStyles(trailingP2.length(),
168:                        trailingP2.length(), B_MOD);
169:
170:                if (!trailingP2.paragraphStyleAt(trailingP2.length() - 1)
171:                        .equals(D_STYLE)) {
172:                    errln("Style incorrect in trailingP2");
173:                }
174:                if (!trailingP2.paragraphStyleAt(trailingP2.length()).equals(
175:                        B_STYLE)) {
176:                    errln("Ending style incorrect in trailingP2");
177:                }
178:
179:                MConstText[] tests = { noParagraph, twoParagraphs,
180:                        threeParagraphs, trailingP1, trailingP2 };
181:
182:                Random random = new Random(RAND_SEED);
183:
184:                int stopAt = 465;
185:                int i = 0;
186:                try {
187:                    for (i = 0; i < NUM_TESTS; i++) {
188:
189:                        int srcIndex = randInt(random, tests.length);
190:                        int targetIndex = randInt(random, tests.length);
191:                        MText target = new StyledText(tests[targetIndex]);
192:                        MConstText src = tests[srcIndex];
193:
194:                        int srcStart = randInt(random, src.length());
195:                        int srcLimit = randInt(random, srcStart, src.length());
196:                        int start = randInt(random, target.length());
197:                        int limit = randInt(random, start, target.length());
198:
199:                        if (i == stopAt) {
200:                            stopAt = i;
201:                        }
202:
203:                        insertAndCheck(src, srcStart, srcLimit, target, start,
204:                                limit);
205:                    }
206:                } finally {
207:                    if (i < NUM_TESTS) {
208:                        logln("iteration=" + i);
209:                    }
210:                }
211:            }
212:
213:            private void insertAndCheck(MConstText src, int srcStart,
214:                    int srcLimit, MText target, int start, int limit) {
215:
216:                // p-style after insertion
217:                AttributeMap after;
218:                if (limit == target.length() && srcLimit > srcStart) {
219:                    after = src.paragraphStyleAt(srcLimit);
220:                } else {
221:                    after = target.paragraphStyleAt(limit);
222:                }
223:
224:                AttributeMap before;
225:                boolean srcHasPBreak = false;
226:                for (int i = srcStart; i < srcLimit; i++) {
227:                    if (isParagraphBreak(src.at(i))) {
228:                        srcHasPBreak = true;
229:                        break;
230:                    }
231:                }
232:
233:                if (start > 0 && isParagraphBreak(target.at(start - 1))) {
234:                    before = target.paragraphStyleAt(start - 1);
235:                } else {
236:                    before = srcHasPBreak ? src.paragraphStyleAt(srcStart)
237:                            : after;
238:                }
239:                boolean stylePropogated = !before.equals(target
240:                        .paragraphStyleAt(Math.max(0, start - 1)));
241:
242:                target.resetDamagedRange();
243:                target.replace(start, limit, src, srcStart, srcLimit);
244:                final int damageLimit = (start == limit && srcStart == srcLimit) ? Integer.MIN_VALUE
245:                        : start + (srcLimit - srcStart);
246:
247:                if (target.damagedRangeLimit() != damageLimit) {
248:                    logln("limit: " + damageLimit + ";  target.limit: "
249:                            + target.damagedRangeLimit());
250:                    errln("Damaged range limit is incorrect");
251:                }
252:
253:                final int damageStart = (damageLimit == Integer.MIN_VALUE) ? Integer.MAX_VALUE
254:                        : (stylePropogated ? target.paragraphStart(Math.max(0,
255:                                start - 1)) : start);
256:                if (target.damagedRangeStart() > damageStart) {
257:                    logln("start: " + damageStart + ";  target.start: "
258:                            + target.damagedRangeStart());
259:                    errln("Damaged range start is incorrect");
260:                }
261:
262:                verifyParagraphCount(target);
263:
264:                // check endpoints
265:                if (!before.equals(target.paragraphStyleAt(Math.max(start - 1,
266:                        0)))) {
267:                    errln("Incorrect paragraph style before modified range");
268:                }
269:
270:                int lengthDelta = (srcLimit - srcStart) - (limit - start);
271:                int indexAfterInsert = Math.min(target.length(), limit
272:                        + lengthDelta);
273:                if (!after.equals(target.paragraphStyleAt(indexAfterInsert))) {
274:                    errln("Incorrect paragraph style after modified range");
275:                }
276:
277:                if (srcHasPBreak) {
278:                    int startP = target.paragraphLimit(start);
279:                    int limitOfTest = target.paragraphStart(indexAfterInsert);
280:
281:                    int offset = start - srcStart;
282:
283:                    while (startP < limitOfTest) {
284:                        int limitP = target.paragraphLimit(startP);
285:                        if (src.paragraphLimit(startP - offset) + offset != limitP) {
286:                            errln("paragraph limits are not consistent");
287:                        }
288:                        if (!src.paragraphStyleAt(startP - offset).equals(
289:                                target.paragraphStyleAt(startP))) {
290:                            errln("paragraph styles are not consistent");
291:                        }
292:                        startP = limitP;
293:                    }
294:                } else {
295:                    for (int i = start; i < start + (srcLimit - srcStart); i++) {
296:                        if (!after.equals(target.paragraphStyleAt(i))) {
297:                            errln("paragraph style changed unexpectedly");
298:                        }
299:                    }
300:                }
301:            }
302:
303:            private void verifyParagraphCount(MConstText text) {
304:
305:                int pCount = 0;
306:                int textLength = text.length();
307:
308:                if (textLength == 0) {
309:                    pCount = 1;
310:                } else {
311:                    for (int s = 0; s < textLength; s = text.paragraphLimit(s)) {
312:                        pCount++;
313:                    }
314:                    if (isParagraphBreak(text.at(textLength - 1))) {
315:                        pCount++;
316:                    }
317:                }
318:
319:                int sepCount = 0;
320:                for (int i = 0; i < textLength; i++) {
321:                    if (isParagraphBreak(text.at(i))) {
322:                        sepCount++;
323:                    }
324:                }
325:
326:                if (sepCount + 1 != pCount) {
327:                    logln("sepCount=" + sepCount + ";  pCount=" + pCount);
328:                    errln("Paragraph count is not consistent with characters");
329:                }
330:            }
331:
332:            private void checkEndpoint(MConstText text) {
333:
334:                boolean emptyFinalParagraph;
335:                int length = text.length();
336:
337:                if (length != 0) {
338:                    char ch = text.at(length - 1);
339:                    emptyFinalParagraph = isParagraphBreak(ch);
340:                } else {
341:                    emptyFinalParagraph = true;
342:                }
343:
344:                if ((text.paragraphStart(length) == length) != emptyFinalParagraph) {
345:                    errln("Final paragraph length is incorrect");
346:                }
347:            }
348:        }
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