Trie2Test.java revision 2e13a2bdade5cd0a635f0bd89805931a6fd710da
1/* GENERATED SOURCE. DO NOT MODIFY. */
2// © 2016 and later: Unicode, Inc. and others.
3// License & terms of use: http://www.unicode.org/copyright.html#License
4/*
5 *******************************************************************************
6 * Copyright (C) 2009-2015, International Business Machines Corporation and
7 * others. All Rights Reserved.
8 *******************************************************************************
9 */
10
11package android.icu.dev.test.util;
12
13import java.io.ByteArrayInputStream;
14import java.io.ByteArrayOutputStream;
15import java.io.IOException;
16import java.io.InputStream;
17import java.nio.ByteBuffer;
18import java.util.Iterator;
19
20import org.junit.Test;
21
22import android.icu.dev.test.TestFmwk;
23import android.icu.impl.ICUBinary;
24import android.icu.impl.Trie2;
25import android.icu.impl.Trie2Writable;
26import android.icu.impl.Trie2_16;
27import android.icu.impl.Trie2_32;
28import android.icu.testsharding.MainTestShard;
29
30@MainTestShard
31public class Trie2Test extends TestFmwk {
32    /**
33     * Constructor
34     */
35     public Trie2Test()
36     {
37     }
38
39     // public methods -----------------------------------------------
40
41     //
42     //  TestAPI.  Check that all API methods can be called, and do at least some minimal
43     //            operation correctly.  This is not a full test of correct behavior.
44     //
45    @Test
46     public void TestTrie2API() {
47         // Trie2.createFromSerialized()
48         //   This function is well exercised by TestRanges().
49
50         // Trie2.getVersion(InputStream is, boolean anyEndianOk)
51         //
52
53         try {
54             Trie2Writable trie = new Trie2Writable(0,0);
55             ByteArrayOutputStream os = new ByteArrayOutputStream();
56             trie.toTrie2_16().serialize(os);
57             ByteArrayInputStream is = new ByteArrayInputStream(os.toByteArray());
58             assertEquals(null, 2, Trie2.getVersion(is, true));
59         } catch (IOException e) {
60             errln(where() + e.toString());
61         }
62
63         // Equals & hashCode
64         //
65         {
66             Trie2Writable trieWA = new Trie2Writable(0,0);
67             Trie2Writable trieWB = new Trie2Writable(0,0);
68             Trie2 trieA = trieWA;
69             Trie2 trieB = trieWB;
70             assertTrue("", trieA.equals(trieB));
71             assertEquals("", trieA, trieB);
72             assertEquals("", trieA.hashCode(), trieB.hashCode());
73             trieWA.set(500, 2);
74             assertNotEquals("", trieA, trieB);
75             // Note that the hash codes do not strictly need to be different,
76             //   but it's highly likely that something is wrong if they are the same.
77             assertNotEquals("", trieA.hashCode(), trieB.hashCode());
78             trieWB.set(500, 2);
79             trieA = trieWA.toTrie2_16();
80             assertEquals("", trieA, trieB);
81             assertEquals("", trieA.hashCode(), trieB.hashCode());
82         }
83
84         //
85         // Iterator creation
86         //
87         {
88             Trie2Writable trie = new Trie2Writable(17,0);
89             Iterator<Trie2.Range>   it;
90             it = trie.iterator();
91
92             Trie2.Range r = it.next();
93             assertEquals("", 0, r.startCodePoint);
94             assertEquals("", 0x10ffff, r.endCodePoint);
95             assertEquals("", 17, r.value);
96             assertEquals("", false, r.leadSurrogate);
97
98             r = it.next();
99             assertEquals("", 0xd800, r.startCodePoint);
100             assertEquals("", 0xdbff, r.endCodePoint);
101             assertEquals("", 17, r.value);
102             assertEquals("", true, r.leadSurrogate);
103
104
105             int i = 0;
106             for (Trie2.Range rr: trie) {
107                 switch (i) {
108                 case 0:
109                     assertEquals("", 0, rr.startCodePoint);
110                     assertEquals("", 0x10ffff, rr.endCodePoint);
111                     assertEquals("", 17, rr.value);
112                     assertEquals("", false, rr.leadSurrogate);
113                     break;
114                 case 1:
115                     assertEquals("", 0xd800, rr.startCodePoint);
116                     assertEquals("", 0xdbff, rr.endCodePoint);
117                     assertEquals("", 17, rr.value);
118                     assertEquals("", true, rr.leadSurrogate);
119                     break;
120                 default:
121                     errln(where() + " Unexpected iteration result");
122                 }
123                 i++;
124             }
125         }
126
127         // Iteration with a value mapping function
128         //
129         {
130             Trie2Writable trie = new Trie2Writable(0xbadfeed, 0);
131             trie.set(0x10123, 42);
132
133             Trie2.ValueMapper vm = new Trie2.ValueMapper() {
134                 public int map(int v) {
135                     if (v == 0xbadfeed) {
136                         v = 42;
137                     }
138                     return v;
139                 }
140             };
141             Iterator<Trie2.Range> it = trie.iterator(vm);
142             Trie2.Range r = it.next();
143             assertEquals("", 0, r.startCodePoint);
144             assertEquals("", 0x10ffff, r.endCodePoint);
145             assertEquals("", 42, r.value);
146             assertEquals("", false, r.leadSurrogate);
147         }
148
149
150         // Iteration over a leading surrogate range.
151         //
152         {
153             Trie2Writable trie = new Trie2Writable(0xdefa17, 0);
154             trie.set(0x2f810, 10);
155             Iterator<Trie2.Range> it = trie.iteratorForLeadSurrogate((char)0xd87e);
156             Trie2.Range r = it.next();
157             assertEquals("", 0x2f800,  r.startCodePoint);
158             assertEquals("", 0x2f80f,  r.endCodePoint);
159             assertEquals("", 0xdefa17, r.value);
160             assertEquals("", false,    r.leadSurrogate);
161
162             r = it.next();
163             assertEquals("", 0x2f810, r.startCodePoint);
164             assertEquals("", 0x2f810, r.endCodePoint);
165             assertEquals("", 10,      r.value);
166             assertEquals("", false,   r.leadSurrogate);
167
168             r = it.next();
169             assertEquals("", 0x2f811,  r.startCodePoint);
170             assertEquals("", 0x2fbff,  r.endCodePoint);
171             assertEquals("", 0xdefa17, r.value);
172             assertEquals("", false,    r.leadSurrogate);
173
174             assertFalse("", it.hasNext());
175         }
176
177         // Iteration over a leading surrogate range with a ValueMapper.
178         //
179         {
180             Trie2Writable trie = new Trie2Writable(0xdefa17, 0);
181             trie.set(0x2f810, 10);
182             Trie2.ValueMapper m = new Trie2.ValueMapper() {
183                 public int map(int in) {
184                     if (in==10) {
185                         in = 0xdefa17;
186                     }
187                     return in;
188                 }
189             };
190             Iterator<Trie2.Range> it = trie.iteratorForLeadSurrogate((char)0xd87e, m);
191             Trie2.Range r = it.next();
192             assertEquals("", 0x2f800,  r.startCodePoint);
193             assertEquals("", 0x2fbff,  r.endCodePoint);
194             assertEquals("", 0xdefa17, r.value);
195             assertEquals("", false,    r.leadSurrogate);
196
197             assertFalse("", it.hasNext());
198         }
199
200         // Trie2.serialize()
201         //     Test the implementation in Trie2, which is used with Read Only Tries.
202         //
203         {
204             Trie2Writable trie = new Trie2Writable(101, 0);
205             trie.setRange(0xf000, 0x3c000, 200, true);
206             trie.set(0xffee, 300);
207             Trie2_16 frozen16 = trie.toTrie2_16();
208             Trie2_32 frozen32 = trie.toTrie2_32();
209             assertEquals("", trie, frozen16);
210             assertEquals("", trie, frozen32);
211             assertEquals("", frozen16, frozen32);
212             ByteArrayOutputStream os = new ByteArrayOutputStream();
213             try {
214                 frozen16.serialize(os);
215                 Trie2 unserialized16 = Trie2.createFromSerialized(ByteBuffer.wrap(os.toByteArray()));
216                 assertEquals("", trie, unserialized16);
217                 assertEquals("", Trie2_16.class, unserialized16.getClass());
218
219                 os.reset();
220                 frozen32.serialize(os);
221                 Trie2 unserialized32 = Trie2.createFromSerialized(ByteBuffer.wrap(os.toByteArray()));
222                 assertEquals("", trie, unserialized32);
223                 assertEquals("", Trie2_32.class, unserialized32.getClass());
224             } catch (IOException e) {
225                 errln(where() + " Unexpected exception:  " + e);
226             }
227
228
229         }
230     }
231
232
233    @Test
234     public void TestTrie2WritableAPI() {
235         //
236         //   Trie2Writable methods.  Check that all functions are present and
237         //      nominally working.  Not an in-depth test.
238         //
239
240         // Trie2Writable constructor
241         Trie2 t1 = new Trie2Writable(6, 666);
242
243         // Constructor from another Trie2
244         Trie2 t2 = new Trie2Writable(t1);
245         assertTrue("", t1.equals(t2));
246
247         // Set / Get
248         Trie2Writable t1w = new Trie2Writable(10, 666);
249         t1w.set(0x4567, 99);
250         assertEquals("", 10, t1w.get(0x4566));
251         assertEquals("", 99, t1w.get(0x4567));
252         assertEquals("", 666, t1w.get(-1));
253         assertEquals("", 666, t1w.get(0x110000));
254
255
256         // SetRange
257         t1w = new Trie2Writable(10, 666);
258         t1w.setRange(13 /*start*/, 6666 /*end*/, 7788 /*value*/, false  /*overwrite */);
259         t1w.setRange(6000, 7000, 9900, true);
260         assertEquals("",   10, t1w.get(12));
261         assertEquals("", 7788, t1w.get(13));
262         assertEquals("", 7788, t1w.get(5999));
263         assertEquals("", 9900, t1w.get(6000));
264         assertEquals("", 9900, t1w.get(7000));
265         assertEquals("",   10, t1w.get(7001));
266         assertEquals("",  666, t1w.get(0x110000));
267
268         // setRange from a Trie2.Range
269         //    (Ranges are more commonly created by iterating over a Trie2,
270         //     but create one by hand here)
271         Trie2.Range r = new Trie2.Range();
272         r.startCodePoint = 50;
273         r.endCodePoint   = 52;
274         r.value          = 0x12345678;
275         r.leadSurrogate  = false;
276         t1w = new Trie2Writable(0, 0xbad);
277         t1w.setRange(r, true);
278         assertEquals(null, 0, t1w.get(49));
279         assertEquals("", 0x12345678, t1w.get(50));
280         assertEquals("", 0x12345678, t1w.get(52));
281         assertEquals("", 0, t1w.get(53));
282
283
284         // setForLeadSurrogateCodeUnit / getFromU16SingleLead
285         t1w = new Trie2Writable(10, 0xbad);
286         assertEquals("", 10, t1w.getFromU16SingleLead((char)0x0d801));
287         t1w.setForLeadSurrogateCodeUnit((char)0xd801, 5000);
288         t1w.set(0xd801, 6000);
289         assertEquals("", 5000, t1w.getFromU16SingleLead((char)0x0d801));
290         assertEquals("", 6000, t1w.get(0x0d801));
291
292         // get().  Is covered by nearly every other test.
293
294
295         // Trie2_16 getAsFrozen_16()
296         t1w = new Trie2Writable(10, 666);
297         t1w.set(42, 5555);
298         t1w.set(0x1ff00, 224);
299         Trie2_16 t1_16 = t1w.toTrie2_16();
300         assertTrue("", t1w.equals(t1_16));
301         // alter the writable Trie2 and then re-freeze.
302         t1w.set(152, 129);
303         t1_16 = t1w.toTrie2_16();
304         assertTrue("", t1w.equals(t1_16));
305         assertEquals("", 129, t1w.get(152));
306
307         // Trie2_32 getAsFrozen_32()
308         //
309         t1w = new Trie2Writable(10, 666);
310         t1w.set(42, 5555);
311         t1w.set(0x1ff00, 224);
312         Trie2_32 t1_32 = t1w.toTrie2_32();
313         assertTrue("", t1w.equals(t1_32));
314         // alter the writable Trie2 and then re-freeze.
315         t1w.set(152, 129);
316         assertNotEquals("", t1_32, t1w);
317         t1_32 = t1w.toTrie2_32();
318         assertTrue("", t1w.equals(t1_32));
319         assertEquals("", 129, t1w.get(152));
320
321
322         // serialize(OutputStream os, ValueWidth width)
323         //
324         ByteArrayOutputStream os = new ByteArrayOutputStream();
325         t1w = new Trie2Writable(0, 0xbad);
326         t1w.set(0x41, 0x100);
327         t1w.set(0xc2, 0x200);
328         t1w.set(0x404, 0x300);
329         t1w.set(0xd903, 0x500);
330         t1w.set(0xdd29, 0x600);
331         t1w.set(0x1055d3, 0x700);
332         t1w.setForLeadSurrogateCodeUnit((char)0xda1a, 0x800);
333         try {
334             // Serialize to 16 bits.
335             int serializedLen = t1w.toTrie2_16().serialize(os);
336             // Fragile test.  Serialized length could change with changes to compaction.
337             //                But it should not change unexpectedly.
338             assertEquals("", 3508, serializedLen);
339             Trie2 t1ws16 = Trie2.createFromSerialized(ByteBuffer.wrap(os.toByteArray()));
340             assertEquals("", t1ws16.getClass(), Trie2_16.class);
341             assertEquals("", t1w, t1ws16);
342
343             // Serialize to 32 bits
344             os.reset();
345             serializedLen = t1w.toTrie2_32().serialize(os);
346             // Fragile test.  Serialized length could change with changes to compaction.
347             //                But it should not change unexpectedly.
348             assertEquals("", 4332, serializedLen);
349             Trie2 t1ws32 = Trie2.createFromSerialized(ByteBuffer.wrap(os.toByteArray()));
350             assertEquals("", t1ws32.getClass(), Trie2_32.class);
351             assertEquals("", t1w, t1ws32);
352         } catch (IOException e) {
353             errln(where() + e.toString());
354         }
355
356
357     }
358
359    @Test
360     public void TestCharSequenceIterator() {
361         String text = "abc123\ud800\udc01 ";    // Includes a Unicode supplemental character
362         String vals = "LLLNNNX?S";
363
364         Trie2Writable  tw = new Trie2Writable(0, 666);
365         tw.setRange('a', 'z', 'L', false);
366         tw.setRange('1', '9', 'N', false);
367         tw.set(' ', 'S');
368         tw.set(0x10001, 'X');
369
370         Trie2.CharSequenceIterator it = tw.charSequenceIterator(text, 0);
371
372         // Check forwards iteration.
373         Trie2.CharSequenceValues ir;
374         int i;
375         for (i=0; it.hasNext(); i++) {
376             ir = it.next();
377             int expectedCP = Character.codePointAt(text, i);
378             assertEquals("" + " i="+i, expectedCP,     ir.codePoint);
379             assertEquals("" + " i="+i, i,              ir.index);
380             assertEquals("" + " i="+i, vals.charAt(i), ir.value);
381             if (expectedCP >= 0x10000) {
382                 i++;
383             }
384         }
385         assertEquals("", text.length(), i);
386
387         // Check reverse iteration, starting at an intermediate point.
388         it.set(5);
389         for (i=5; it.hasPrevious(); ) {
390             ir = it.previous();
391             int expectedCP = Character.codePointBefore(text, i);
392             i -= (expectedCP < 0x10000? 1 : 2);
393             assertEquals("" + " i="+i, expectedCP,     ir.codePoint);
394             assertEquals("" + " i="+i, i,              ir.index);
395             assertEquals("" + " i="+i, vals.charAt(i), ir.value);
396         }
397         assertEquals("", 0, i);
398
399     }
400
401
402     //
403     //  Port of Tests from ICU4C ...
404     //
405     //     setRanges array elements are
406     //        {start Code point, limit CP, value, overwrite}
407     //
408     //     There must be an entry with limit 0 and with the intialValue.
409     //     It may be preceded by an entry with negative limit and the errorValue.
410     //
411     //     checkRanges array elemets are
412     //        { limit code point, value}
413     //
414     //     The expected value range is from the previous boundary's limit to before
415     //        this boundary's limit
416
417     //
418     String[] trieNames = {"setRanges1", "setRanges2", "setRanges3", "setRangesEmpty", "setRangesSingleValue"};
419     /* set consecutive ranges, even with value 0 */
420
421
422
423     private static int[][] setRanges1 ={
424         { 0,        0,        0,      0 },
425         { 0,        0x40,     0,      0 },
426         { 0x40,     0xe7,     0x1234, 0 },
427         { 0xe7,     0x3400,   0,      0 },
428         { 0x3400,   0x9fa6,   0x6162, 0 },
429         { 0x9fa6,   0xda9e,   0x3132, 0 },
430         { 0xdada,   0xeeee,   0x87ff, 0 },
431         { 0xeeee,   0x11111,  1,      0 },
432         { 0x11111,  0x44444,  0x6162, 0 },
433         { 0x44444,  0x60003,  0,      0 },
434         { 0xf0003,  0xf0004,  0xf,    0 },
435         { 0xf0004,  0xf0006,  0x10,   0 },
436         { 0xf0006,  0xf0007,  0x11,   0 },
437         { 0xf0007,  0xf0040,  0x12,   0 },
438         { 0xf0040,  0x110000, 0,      0 }
439     };
440
441     private static int[][]  checkRanges1 = {
442         { 0,        0 },
443         { 0x40,     0 },
444         { 0xe7,     0x1234 },
445         { 0x3400,   0 },
446         { 0x9fa6,   0x6162 },
447         { 0xda9e,   0x3132 },
448         { 0xdada,   0 },
449         { 0xeeee,   0x87ff },
450         { 0x11111,  1 },
451         { 0x44444,  0x6162 },
452         { 0xf0003,  0 },
453         { 0xf0004,  0xf },
454         { 0xf0006,  0x10 },
455         { 0xf0007,  0x11 },
456         { 0xf0040,  0x12 },
457         { 0x110000, 0 }
458     };
459
460     /* set some interesting overlapping ranges */
461     private static  int [][] setRanges2={
462         { 0,        0,        0,      0 },
463         { 0x21,     0x7f,     0x5555, 1 },
464         { 0x2f800,  0x2fedc,  0x7a,   1 },
465         { 0x72,     0xdd,     3,      1 },
466         { 0xdd,     0xde,     4,      0 },
467         { 0x201,    0x240,    6,      1 },  /* 3 consecutive blocks with the same pattern but */
468         { 0x241,    0x280,    6,      1 },  /* discontiguous value ranges, testing utrie2_enum() */
469         { 0x281,    0x2c0,    6,      1 },
470         { 0x2f987,  0x2fa98,  5,      1 },
471         { 0x2f777,  0x2f883,  0,      1 },
472         { 0x2f900,  0x2ffaa,  1,      0 },
473         { 0x2ffaa,  0x2ffab,  2,      1 },
474         { 0x2ffbb,  0x2ffc0,  7,      1 }
475     };
476
477     private static int[] [] checkRanges2={
478         { 0,        0 },
479         { 0x21,     0 },
480         { 0x72,     0x5555 },
481         { 0xdd,     3 },
482         { 0xde,     4 },
483         { 0x201,    0 },
484         { 0x240,    6 },
485         { 0x241,    0 },
486         { 0x280,    6 },
487         { 0x281,    0 },
488         { 0x2c0,    6 },
489         { 0x2f883,  0 },
490         { 0x2f987,  0x7a },
491         { 0x2fa98,  5 },
492         { 0x2fedc,  0x7a },
493         { 0x2ffaa,  1 },
494         { 0x2ffab,  2 },
495         { 0x2ffbb,  0 },
496         { 0x2ffc0,  7 },
497         { 0x110000, 0 }
498     };
499
500/*
501     private static int[] [] checkRanges2_d800={
502         { 0x10000,  0 },
503         { 0x10400,  0 }
504     };
505
506     private static int[][] checkRanges2_d87e={
507         { 0x2f800,  6 },
508         { 0x2f883,  0 },
509         { 0x2f987,  0x7a },
510         { 0x2fa98,  5 },
511         { 0x2fc00,  0x7a }
512     };
513
514     private static int[][] checkRanges2_d87f={
515         { 0x2fc00,  0 },
516         { 0x2fedc,  0x7a },
517         { 0x2ffaa,  1 },
518         { 0x2ffab,  2 },
519         { 0x2ffbb,  0 },
520         { 0x2ffc0,  7 },
521         { 0x30000,  0 }
522     };
523
524     private static int[][]  checkRanges2_dbff={
525         { 0x10fc00, 0 },
526         { 0x110000, 0 }
527     };
528*/
529
530     /* use a non-zero initial value */
531     private static int[][] setRanges3={
532         { 0,        0,        9, 0 },     // non-zero initial value.
533         { 0x31,     0xa4,     1, 0 },
534         { 0x3400,   0x6789,   2, 0 },
535         { 0x8000,   0x89ab,   9, 1 },
536         { 0x9000,   0xa000,   4, 1 },
537         { 0xabcd,   0xbcde,   3, 1 },
538         { 0x55555,  0x110000, 6, 1 },  /* highStart<U+ffff with non-initialValue */
539         { 0xcccc,   0x55555,  6, 1 }
540     };
541
542     private static int[][] checkRanges3={
543         { 0,        9 },  /* non-zero initialValue */
544         { 0x31,     9 },
545         { 0xa4,     1 },
546         { 0x3400,   9 },
547         { 0x6789,   2 },
548         { 0x9000,   9 },
549         { 0xa000,   4 },
550         { 0xabcd,   9 },
551         { 0xbcde,   3 },
552         { 0xcccc,   9 },
553         { 0x110000, 6 }
554     };
555
556     /* empty or single-value tries, testing highStart==0 */
557     private static int[][] setRangesEmpty={
558         { 0,        0,        3, 0 }         // Only the element with the initial value.
559     };
560
561     private static int[][] checkRangesEmpty={
562         { 0,        3 },
563         { 0x110000, 3 }
564     };
565
566     private static int[][] setRangesSingleValue={
567         { 0,        0,        3,  0 },   // Initial value = 3
568         { 0,        0x110000, 5, 1 },
569     };
570
571     private static int[][] checkRangesSingleValue={
572         { 0,        3 },
573         { 0x110000, 5 }
574     };
575
576
577     //
578     // Create a test Trie2 from a setRanges test array.
579     //    Range data ported from C.
580     //
581     private Trie2Writable genTrieFromSetRanges(int [][] ranges) {
582         int i = 0;
583         int initialValue = 0;
584         int errorValue   = 0x0bad;
585
586         if (ranges[i][1] < 0) {
587             errorValue = ranges[i][2];
588             i++;
589         }
590         initialValue = ranges[i++][2];
591         Trie2Writable trie = new Trie2Writable(initialValue, errorValue);
592
593         for (; i<ranges.length; i++) {
594             int     rangeStart = ranges[i][0];
595             int     rangeEnd   = ranges[i][1]-1;
596             int     value      = ranges[i][2];
597             boolean overwrite = (ranges[i][3] != 0);
598             trie.setRange(rangeStart, rangeEnd, value, overwrite);
599         }
600
601         // Insert some non-default values for lead surrogates.
602         //   TODO:  this should be represented in the data.
603         trie.setForLeadSurrogateCodeUnit((char)0xd800, 90);
604         trie.setForLeadSurrogateCodeUnit((char)0xd999, 94);
605         trie.setForLeadSurrogateCodeUnit((char)0xdbff, 99);
606
607         return trie;
608     }
609
610
611     //
612     //  Check the expected values from a single Trie2.
613     //
614     private void trieGettersTest(String           testName,
615                                  Trie2            trie,         // The Trie2 to test.
616                                  int[][]          checkRanges)  // Expected data.
617                                                                 //   Tuples of (value, high limit code point)
618                                                                 //   High limit is first code point following the range
619                                                                 //   with the indicated value.
620                                                                 //      (Structures copied from ICU4C tests.)
621     {
622         int countCheckRanges = checkRanges.length;
623
624         int initialValue, errorValue;
625         int value, value2;
626         int start, limit;
627         int i, countSpecials;
628
629         countSpecials=0;  /*getSpecialValues(checkRanges, countCheckRanges, &initialValue, &errorValue);*/
630         errorValue = 0x0bad;
631         initialValue = 0;
632         if (checkRanges[countSpecials][0] == 0) {
633             initialValue = checkRanges[countSpecials][1];
634             countSpecials++;
635         }
636
637         start=0;
638         for(i=countSpecials; i<countCheckRanges; ++i) {
639             limit=checkRanges[i][0];
640             value=checkRanges[i][1];
641
642             while(start<limit) {
643                 value2=trie.get(start);
644                 if (value != value2) {
645                     // The redundant if, outside of the assert, is for speed.
646                     // It makes a significant difference for this test.
647                     assertEquals("wrong value for " + testName + " of " + Integer.toHexString(start), value, value2);
648                 }
649                 ++start;
650             }
651         }
652
653
654         if(!testName.startsWith("dummy") && !testName.startsWith("trie1")) {
655             /* Test values for lead surrogate code units.
656              * For non-lead-surrogate code units,  getFromU16SingleLead() and get()
657              *   should be the same.
658              */
659             for(start=0xd7ff; start<0xdc01; ++start) {
660                 switch(start) {
661                 case 0xd7ff:
662                 case 0xdc00:
663                     value=trie.get(start);
664                     break;
665                 case 0xd800:
666                     value=90;
667                     break;
668                 case 0xd999:
669                     value=94;
670                     break;
671                 case 0xdbff:
672                     value=99;
673                     break;
674                 default:
675                     value=initialValue;
676                     break;
677                 }
678                 value2 = trie.getFromU16SingleLead((char)start);
679                 if(value2!=value) {
680                     errln(where() + " testName: " + testName + " getFromU16SingleLead() failed." +
681                             "char, exected, actual = " + Integer.toHexString(start) + ", " +
682                             Integer.toHexString(value) + ", " + Integer.toHexString(value2));
683                 }
684             }
685         }
686
687         /* test errorValue */
688         value=trie.get(-1);
689         value2=trie.get(0x110000);
690         if(value!=errorValue || value2!=errorValue) {
691             errln("trie2.get() error value test.  Expected, actual1, actual2 = " +
692                     errorValue + ", " + value + ", " + value2);
693         }
694
695         // Check that Trie enumeration produces the same contents as simple get()
696         for (Trie2.Range range: trie) {
697             for (int cp=range.startCodePoint; cp<=range.endCodePoint; cp++) {
698                 if (range.leadSurrogate) {
699                     assertTrue(testName, cp>=(char)0xd800 && cp<(char)0xdc00);
700                     assertEquals(testName, range.value, trie.getFromU16SingleLead((char)cp));
701                 } else {
702                     assertEquals(testName, range.value, trie.get(cp));
703                 }
704             }
705         }
706     }
707
708     // Was testTrieRanges in ICU4C.  Renamed to not conflict with ICU4J test framework.
709     private void checkTrieRanges(String testName, String serializedName, boolean withClone,
710             int[][] setRanges, int [][] checkRanges) throws IOException {
711
712         // Run tests against Tries that were built by ICU4C and serialized.
713         String fileName16 = "Trie2Test." + serializedName + ".16.tri2";
714         String fileName32 = "Trie2Test." + serializedName + ".32.tri2";
715
716         InputStream is = Trie2Test.class.getResourceAsStream(fileName16);
717         Trie2 trie16;
718         try {
719             trie16 = Trie2.createFromSerialized(ICUBinary.getByteBufferFromInputStreamAndCloseStream(is));
720         } finally {
721             is.close();
722         }
723         trieGettersTest(testName, trie16, checkRanges);
724
725         is = Trie2Test.class.getResourceAsStream(fileName32);
726         Trie2 trie32;
727         try {
728             trie32 = Trie2.createFromSerialized(ICUBinary.getByteBufferFromInputStreamAndCloseStream(is));
729         } finally {
730             is.close();
731         }
732         trieGettersTest(testName, trie32, checkRanges);
733
734         // Run the same tests against locally contructed Tries.
735         Trie2Writable trieW = genTrieFromSetRanges(setRanges);
736         trieGettersTest(testName, trieW,  checkRanges);
737         assertEquals("", trieW, trie16);   // Locally built tries must be
738         assertEquals("", trieW, trie32);   //   the same as those imported from ICU4C
739
740
741         Trie2_32 trie32a = trieW.toTrie2_32();
742         trieGettersTest(testName, trie32a, checkRanges);
743
744         Trie2_16 trie16a = trieW.toTrie2_16();
745         trieGettersTest(testName, trie16a, checkRanges);
746
747     }
748
749     // Was "TrieTest" in trie2test.c
750    @Test
751     public void TestRanges() throws IOException {
752         checkTrieRanges("set1",           "setRanges1",     false, setRanges1,     checkRanges1);
753         checkTrieRanges("set2-overlap",   "setRanges2",     false, setRanges2,     checkRanges2);
754         checkTrieRanges("set3-initial-9", "setRanges3",     false, setRanges3,     checkRanges3);
755         checkTrieRanges("set-empty",      "setRangesEmpty", false, setRangesEmpty, checkRangesEmpty);
756         checkTrieRanges("set-single-value", "setRangesSingleValue", false, setRangesSingleValue,
757             checkRangesSingleValue);
758         checkTrieRanges("set2-overlap.withClone", "setRanges2", true, setRanges2,     checkRanges2);
759     }
760
761
762     private String where() {
763         StackTraceElement[] st = new Throwable().getStackTrace();
764         String w = "File: " + st[1].getFileName() + ", Line " + st[1].getLineNumber();
765         return w;
766     }
767}
768