summaryrefslogtreecommitdiff
path: root/Build/source/libs/icu/icu-50.1/test/intltest/plurults.cpp
blob: 7a9ddec43c8c52891d969b48fc4aa49198bcf1d2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
/*
*******************************************************************************
* Copyright (C) 2007-2012, International Business Machines Corporation and
* others. All Rights Reserved.
********************************************************************************

* File PLURRULTS.cpp
*
********************************************************************************
*/

#include "unicode/utypes.h"

#if !UCONFIG_NO_FORMATTING

#include <stdlib.h> // for strtod
#include "plurults.h"
#include "unicode/localpointer.h"
#include "unicode/plurrule.h"

#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof(array[0]))

void setupResult(const int32_t testSource[], char result[], int32_t* max);
UBool checkEqual(const PluralRules &test, char *result, int32_t max);
UBool testEquality(const PluralRules &test);

// This is an API test, not a unit test.  It doesn't test very many cases, and doesn't
// try to test the full functionality.  It just calls each function in the class and
// verifies that it works on a basic level.

void PluralRulesTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
{
    if (exec) logln("TestSuite PluralRulesAPI");
    TESTCASE_AUTO_BEGIN;
    TESTCASE_AUTO(testAPI);
    TESTCASE_AUTO(testGetUniqueKeywordValue);
    TESTCASE_AUTO(testGetSamples);
    TESTCASE_AUTO(testWithin);
    TESTCASE_AUTO(testGetAllKeywordValues);
    TESTCASE_AUTO(testOrdinal);
    TESTCASE_AUTO_END;
}

#define PLURAL_TEST_NUM    18
/**
 * Test various generic API methods of PluralRules for API coverage.
 */
void PluralRulesTest::testAPI(/*char *par*/)
{
    UnicodeString pluralTestData[PLURAL_TEST_NUM] = {
            UNICODE_STRING_SIMPLE("a: n is 1"),
            UNICODE_STRING_SIMPLE("a: n mod 10 is 2"),
            UNICODE_STRING_SIMPLE("a: n is not 1"),
            UNICODE_STRING_SIMPLE("a: n mod 3 is not 1"),
            UNICODE_STRING_SIMPLE("a: n in 2..5"),
            UNICODE_STRING_SIMPLE("a: n within 2..5"),
            UNICODE_STRING_SIMPLE("a: n not in 2..5"),
            UNICODE_STRING_SIMPLE("a: n not within 2..5"),
            UNICODE_STRING_SIMPLE("a: n mod 10 in 2..5"),
            UNICODE_STRING_SIMPLE("a: n mod 10 within 2..5"),
            UNICODE_STRING_SIMPLE("a: n mod 10 is 2 and n is not 12"),
            UNICODE_STRING_SIMPLE("a: n mod 10 in 2..3 or n mod 10 is 5"),
            UNICODE_STRING_SIMPLE("a: n mod 10 within 2..3 or n mod 10 is 5"),
            UNICODE_STRING_SIMPLE("a: n is 1 or n is 4 or n is 23"),
            UNICODE_STRING_SIMPLE("a: n mod 2 is 1 and n is not 3 and n in 1..11"),
            UNICODE_STRING_SIMPLE("a: n mod 2 is 1 and n is not 3 and n within 1..11"),
            UNICODE_STRING_SIMPLE("a: n mod 2 is 1 or n mod 5 is 1 and n is not 6"),
            "",
    };
    static const int32_t pluralTestResult[PLURAL_TEST_NUM][30] = {
        {1, 0},
        {2,12,22, 0},
        {0,2,3,4,5,0},
        {0,2,3,5,6,8,9,0},
        {2,3,4,5,0},
        {2,3,4,5,0},
        {0,1,6,7,8, 0},
        {0,1,6,7,8, 0},
        {2,3,4,5,12,13,14,15,22,23,24,25,0},
        {2,3,4,5,12,13,14,15,22,23,24,25,0},
        {2,22,32,42,0},
        {2,3,5,12,13,15,22,23,25,0},
        {2,3,5,12,13,15,22,23,25,0},
        {1,4,23,0},
        {1,5,7,9,11,0},
        {1,5,7,9,11,0},
        {1,3,5,7,9,11,13,15,16,0},
    };
    UErrorCode status = U_ZERO_ERROR;

    // ======= Test constructors
    logln("Testing PluralRules constructors");


    logln("\n start default locale test case ..\n");

    PluralRules defRule(status);
    LocalPointer<PluralRules> test(new PluralRules(status));
    LocalPointer<PluralRules> newEnPlural(test->forLocale(Locale::getEnglish(), status));
    if(U_FAILURE(status)) {
        dataerrln("ERROR: Could not create PluralRules (default) - exitting");
        return;
    }

    // ======= Test clone, assignment operator && == operator.
    LocalPointer<PluralRules> dupRule(defRule.clone());
    if (dupRule==NULL) {
        errln("ERROR: clone plural rules test failed!");
        return;
    } else {
        if ( *dupRule != defRule ) {
            errln("ERROR:  clone plural rules test failed!");
        }
    }
    *dupRule = *newEnPlural;
    if (dupRule!=NULL) {
        if ( *dupRule != *newEnPlural ) {
            errln("ERROR:  clone plural rules test failed!");
        }
    }

    // ======= Test empty plural rules
    logln("Testing Simple PluralRules");

    LocalPointer<PluralRules> empRule(test->createRules(UNICODE_STRING_SIMPLE("a:n"), status));
    UnicodeString key;
    for (int32_t i=0; i<10; ++i) {
        key = empRule->select(i);
        if ( key.charAt(0)!= 0x61 ) { // 'a'
            errln("ERROR:  empty plural rules test failed! - exitting");
        }
    }

    // ======= Test simple plural rules
    logln("Testing Simple PluralRules");

    char result[100];
    int32_t max;

    for (int32_t i=0; i<PLURAL_TEST_NUM-1; ++i) {
       LocalPointer<PluralRules> newRules(test->createRules(pluralTestData[i], status));
       setupResult(pluralTestResult[i], result, &max);
       if ( !checkEqual(*newRules, result, max) ) {
            errln("ERROR:  simple plural rules failed! - exitting");
            return;
        }
    }

    // ======= Test complex plural rules
    logln("Testing Complex PluralRules");
    // TODO: the complex test data is hard coded. It's better to implement
    // a parser to parse the test data.
    UnicodeString complexRule = UNICODE_STRING_SIMPLE("a: n in 2..5; b: n in 5..8; c: n mod 2 is 1");
    UnicodeString complexRule2 = UNICODE_STRING_SIMPLE("a: n within 2..5; b: n within 5..8; c: n mod 2 is 1");
    char cRuleResult[] =
    {
       0x6F, // 'o'
       0x63, // 'c'
       0x61, // 'a'
       0x61, // 'a'
       0x61, // 'a'
       0x61, // 'a'
       0x62, // 'b'
       0x62, // 'b'
       0x62, // 'b'
       0x63, // 'c'
       0x6F, // 'o'
       0x63  // 'c'
    };
    LocalPointer<PluralRules> newRules(test->createRules(complexRule, status));
    if ( !checkEqual(*newRules, cRuleResult, 12) ) {
         errln("ERROR:  complex plural rules failed! - exitting");
         return;
    }
    newRules.adoptInstead(test->createRules(complexRule2, status));
    if ( !checkEqual(*newRules, cRuleResult, 12) ) {
         errln("ERROR:  complex plural rules failed! - exitting");
         return;
    }

    // ======= Test decimal fractions plural rules
    UnicodeString decimalRule= UNICODE_STRING_SIMPLE("a: n not in 0..100;");
    UnicodeString KEYWORD_A = UNICODE_STRING_SIMPLE("a");
    status = U_ZERO_ERROR;
    newRules.adoptInstead(test->createRules(decimalRule, status));
    if (U_FAILURE(status)) {
        dataerrln("ERROR: Could not create PluralRules for testing fractions - exitting");
        return;
    }
    double fData[10] = {-100, -1, -0.0, 0, 0.1, 1, 1.999, 2.0, 100, 100.001 };
    UBool isKeywordA[10] = {
           TRUE, TRUE, FALSE, FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, TRUE };
    for (int32_t i=0; i<10; i++) {
        if ((newRules->select(fData[i])== KEYWORD_A) != isKeywordA[i]) {
             errln("ERROR: plural rules for decimal fractions test failed!");
        }
    }

    // ======= Test Equality
    logln("Testing Equality of PluralRules");

    if ( !testEquality(*test) ) {
         errln("ERROR:  complex plural rules failed! - exitting");
         return;
     }


    // ======= Test getStaticClassID()
    logln("Testing getStaticClassID()");

    if(test->getDynamicClassID() != PluralRules::getStaticClassID()) {
        errln("ERROR: getDynamicClassID() didn't return the expected value");
    }
    // ====== Test fallback to parent locale
    LocalPointer<PluralRules> en_UK(test->forLocale(Locale::getUK(), status));
    LocalPointer<PluralRules> en(test->forLocale(Locale::getEnglish(), status));
    if (en_UK.isValid() && en.isValid()) {
        if ( *en_UK != *en ) {
            errln("ERROR:  test locale fallback failed!");
        }
    }

    LocalPointer<PluralRules> zh_Hant(test->forLocale(Locale::getTaiwan(), status));
    LocalPointer<PluralRules> zh(test->forLocale(Locale::getChinese(), status));
    if (zh_Hant.isValid() && zh.isValid()) {
        if ( *zh_Hant != *zh ) {
            errln("ERROR:  test locale fallback failed!");
        }
    }
}

void setupResult(const int32_t testSource[], char result[], int32_t* max) {
    int32_t i=0;
    int32_t curIndex=0;

    do {
        while (curIndex < testSource[i]) {
            result[curIndex++]=0x6F; //'o' other
        }
        result[curIndex++]=0x61; // 'a'

    } while(testSource[++i]>0);
    *max=curIndex;
}


UBool checkEqual(const PluralRules &test, char *result, int32_t max) {
    UnicodeString key;
    UBool isEqual = TRUE;
    for (int32_t i=0; i<max; ++i) {
        key= test.select(i);
        if ( key.charAt(0)!=result[i] ) {
            isEqual = FALSE;
        }
    }
    return isEqual;
}

#define MAX_EQ_ROW  2
#define MAX_EQ_COL  5
UBool testEquality(const PluralRules &test) {
    UnicodeString testEquRules[MAX_EQ_ROW][MAX_EQ_COL] = {
        {   UNICODE_STRING_SIMPLE("a: n in 2..3"),
            UNICODE_STRING_SIMPLE("a: n is 2 or n is 3"),
            UNICODE_STRING_SIMPLE( "a:n is 3 and n in 2..5 or n is 2"),
            "",
        },
        {   UNICODE_STRING_SIMPLE("a: n is 12; b:n mod 10 in 2..3"),
            UNICODE_STRING_SIMPLE("b: n mod 10 in 2..3 and n is not 12; a: n in 12..12"),
            UNICODE_STRING_SIMPLE("b: n is 13; a: n in 12..13; b: n mod 10 is 2 or n mod 10 is 3"),
            "",
        }
    };
    UErrorCode status = U_ZERO_ERROR;
    UnicodeString key[MAX_EQ_COL];
    UBool ret=TRUE;
    for (int32_t i=0; i<MAX_EQ_ROW; ++i) {
        PluralRules* rules[MAX_EQ_COL];

        for (int32_t j=0; j<MAX_EQ_COL; ++j) {
            rules[j]=NULL;
        }
        int32_t totalRules=0;
        while((totalRules<MAX_EQ_COL) && (testEquRules[i][totalRules].length()>0) ) {
            rules[totalRules]=test.createRules(testEquRules[i][totalRules], status);
            totalRules++;
        }
        for (int32_t n=0; n<300 && ret ; ++n) {
            for(int32_t j=0; j<totalRules;++j) {
                key[j] = rules[j]->select(n);
            }
            for(int32_t j=0; j<totalRules-1;++j) {
                if (key[j]!=key[j+1]) {
                    ret= FALSE;
                    break;
                }
            }

        }
        for (int32_t j=0; j<MAX_EQ_COL; ++j) {
            if (rules[j]!=NULL) {
                delete rules[j];
            }
        }
    }

    return ret;
}

void
PluralRulesTest::assertRuleValue(const UnicodeString& rule, double expected) {
  assertRuleKeyValue("a:" + rule, "a", expected);
}

void
PluralRulesTest::assertRuleKeyValue(const UnicodeString& rule,
                                    const UnicodeString& key, double expected) {
  UErrorCode status = U_ZERO_ERROR;
  PluralRules *pr = PluralRules::createRules(rule, status);
  double result = pr->getUniqueKeywordValue(key);
  delete pr;
  if (expected != result) {
    errln("expected %g but got %g", expected, result);
  }
}

void PluralRulesTest::testGetUniqueKeywordValue() {
  assertRuleValue("n is 1", 1);
  assertRuleValue("n in 2..2", 2);
  assertRuleValue("n within 2..2", 2);
  assertRuleValue("n in 3..4", UPLRULES_NO_UNIQUE_VALUE);
  assertRuleValue("n within 3..4", UPLRULES_NO_UNIQUE_VALUE);
  assertRuleValue("n is 2 or n is 2", 2);
  assertRuleValue("n is 2 and n is 2", 2);
  assertRuleValue("n is 2 or n is 3", UPLRULES_NO_UNIQUE_VALUE);
  assertRuleValue("n is 2 and n is 3", UPLRULES_NO_UNIQUE_VALUE);
  assertRuleValue("n is 2 or n in 2..3", UPLRULES_NO_UNIQUE_VALUE);
  assertRuleValue("n is 2 and n in 2..3", 2);
  assertRuleKeyValue("a: n is 1", "not_defined", UPLRULES_NO_UNIQUE_VALUE); // key not defined
  assertRuleKeyValue("a: n is 1", "other", UPLRULES_NO_UNIQUE_VALUE); // key matches default rule
}

void PluralRulesTest::testGetSamples() {
  // no get functional equivalent API in ICU4C, so just
  // test every locale...
  UErrorCode status = U_ZERO_ERROR;
  int32_t numLocales;
  const Locale* locales = Locale::getAvailableLocales(numLocales);

  double values[4];
  for (int32_t i = 0; U_SUCCESS(status) && i < numLocales; ++i) {
    PluralRules *rules = PluralRules::forLocale(locales[i], status);
    if (U_FAILURE(status)) {
      break;
    }
    StringEnumeration *keywords = rules->getKeywords(status);
    if (U_FAILURE(status)) {
      delete rules;
      break;
    }
    const UnicodeString* keyword;
    while (NULL != (keyword = keywords->snext(status))) {
      int32_t count = rules->getSamples(*keyword, values, 4, status);
      if (U_FAILURE(status)) {
        errln(UNICODE_STRING_SIMPLE("getSamples() failed for locale ") +
              locales[i].getName() +
              UNICODE_STRING_SIMPLE(", keyword ") + *keyword);
        continue;
      }
      if (count == 0) {
        errln("no samples for keyword");
      }
      if (count > LENGTHOF(values)) {
        errln(UNICODE_STRING_SIMPLE("getSamples()=") + count +
              UNICODE_STRING_SIMPLE(", too many values, for locale ") +
              locales[i].getName() +
              UNICODE_STRING_SIMPLE(", keyword ") + *keyword);
        count = LENGTHOF(values);
      }
      for (int32_t j = 0; j < count; ++j) {
        if (values[j] == UPLRULES_NO_UNIQUE_VALUE) {
          errln("got 'no unique value' among values");
        } else {
          UnicodeString resultKeyword = rules->select(values[j]);
          if (*keyword != resultKeyword) {
            errln("keywords don't match");
          }
        }
      }
    }
    delete keywords;
    delete rules;
  }
}

void PluralRulesTest::testWithin() {
  // goes to show you what lack of testing will do.
  // of course, this has been broken for two years and no one has noticed...
  UErrorCode status = U_ZERO_ERROR;
  PluralRules *rules = PluralRules::createRules("a: n mod 10 in 5..8", status);
  if (!rules) {
    errln("couldn't instantiate rules");
    return;
  }

  UnicodeString keyword = rules->select((int32_t)26);
  if (keyword != "a") {
    errln("expected 'a' for 26 but didn't get it.");
  }

  keyword = rules->select(26.5);
  if (keyword != "other") {
    errln("expected 'other' for 26.5 but didn't get it.");
  }

  delete rules;
}

void
PluralRulesTest::testGetAllKeywordValues() {
    const char* data[] = {
        "a: n in 2..5", "a: 2,3,4,5; other: null; b:",
        "a: n not in 2..5", "a: null; other: null",
        "a: n within 2..5", "a: null; other: null",
        "a: n not within 2..5", "a: null; other: null",
        "a: n in 2..5 or n within 6..8", "a: null", // ignore 'other' here on out, always null
        "a: n in 2..5 and n within 6..8", "a:",
        "a: n in 2..5 and n within 5..8", "a: 5",
        "a: n within 2..5 and n within 6..8", "a:", // our sampling catches these
        "a: n within 2..5 and n within 5..8", "a: 5", // ''
        "a: n within 1..2 and n within 2..3 or n within 3..4 and n within 4..5", "a: 2,4",
        "a: n within 1..2 and n within 2..3 or n within 3..4 and n within 4..5 "
          "or n within 5..6 and n within 6..7", "a: null", // but not this...
        "a: n mod 3 is 0", "a: null",
        "a: n mod 3 is 0 and n within 1..2", "a:",
        "a: n mod 3 is 0 and n within 0..5", "a: 0,3",
        "a: n mod 3 is 0 and n within 0..6", "a: null", // similarly with mod, we don't catch...
        "a: n mod 3 is 0 and n in 3..12", "a: 3,6,9,12",
        NULL
    };

    for (int i = 0; data[i] != NULL; i += 2) {
        UErrorCode status = U_ZERO_ERROR;
        UnicodeString ruleDescription(data[i], -1, US_INV);
        const char* result = data[i+1];

        logln("[%d] %s", i >> 1, data[i]);

        PluralRules *p = PluralRules::createRules(ruleDescription, status);
        if (U_FAILURE(status)) {
            logln("could not create rules from '%s'\n", data[i]);
            continue;
        }

        const char* rp = result;
        while (*rp) {
            while (*rp == ' ') ++rp;
            if (!rp) {
                break;
            }

            const char* ep = rp;
            while (*ep && *ep != ':') ++ep;

            status = U_ZERO_ERROR;
            UnicodeString keyword(rp, ep - rp, US_INV);
            double samples[4]; // no test above should have more samples than 4
            int32_t count = p->getAllKeywordValues(keyword, &samples[0], 4, status);
            if (U_FAILURE(status)) {
                errln("error getting samples for %s", rp);
                break;
            }

            if (count > 4) {
              errln("count > 4 for keyword %s", rp);
              count = 4;
            }

            if (*ep) {
                ++ep; // skip colon
                while (*ep && *ep == ' ') ++ep; // and spaces
            }

            UBool ok = TRUE;
            if (count == -1) {
                if (*ep != 'n') {
                    errln("expected values for keyword %s but got -1 (%s)", rp, ep);
                    ok = FALSE;
                }
            } else if (*ep == 'n') {
                errln("expected count of -1, got %d, for keyword %s (%s)", count, rp, ep);
                ok = FALSE;
            }

            // We'll cheat a bit here.  The samples happend to be in order and so are our
            // expected values, so we'll just test in order until a failure.  If the
            // implementation changes to return samples in an arbitrary order, this test
            // must change.  There's no actual restriction on the order of the samples.

            for (int j = 0; ok && j < count; ++j ) { // we've verified count < 4
                double val = samples[j];
                if (*ep == 0 || *ep == ';') {
                    errln("got unexpected value[%d]: %g", j, val);
                    ok = FALSE;
                    break;
                }
                char* xp;
                double expectedVal = strtod(ep, &xp);
                if (xp == ep) {
                    // internal error
                    errln("yikes!");
                    ok = FALSE;
                    break;
                }
                ep = xp;
                if (expectedVal != val) {
                    errln("expected %g but got %g", expectedVal, val);
                    ok = FALSE;
                    break;
                }
                if (*ep == ',') ++ep;
            }

            if (ok && count != -1) {
                if (!(*ep == 0 || *ep == ';')) {
                    errln("didn't get expected value: %s", ep);
                    ok = FALSE;
                }
            }

            while (*ep && *ep != ';') ++ep;
            if (*ep == ';') ++ep;
            rp = ep;
        }
        delete p;
    }
}

void PluralRulesTest::testOrdinal() {
    IcuTestErrorCode errorCode(*this, "testOrdinal");
    LocalPointer<PluralRules> pr(PluralRules::forLocale("en", UPLURAL_TYPE_ORDINAL, errorCode));
    if (errorCode.logIfFailureAndReset("PluralRules::forLocale(en, UPLURAL_TYPE_ORDINAL) failed")) {
        return;
    }
    UnicodeString keyword = pr->select(2.);
    if (keyword != UNICODE_STRING("two", 3)) {
        dataerrln("PluralRules(en-ordinal).select(2) failed");
    }
}

#endif /* #if !UCONFIG_NO_FORMATTING */