1/********************************************************************
2 * COPYRIGHT:
3 * Copyright (c) 2002-2006, International Business Machines Corporation and
4 * others. All Rights Reserved.
5 ********************************************************************
6 *
7 * @author Mark E. Davis
8 * @author Vladimir Weinstein
9 */
10
11#include "unicode/utypes.h"
12
13#if !UCONFIG_NO_NORMALIZATION
14
15#include "intltest.h"
16#include "cstring.h"
17#include "canittst.h"
18#include "unicode/caniter.h"
19#include "unicode/normlzr.h"
20#include "unicode/uchar.h"
21#include "hash.h"
22
23#define ARRAY_LENGTH(array) ((int32_t)(sizeof (array) / sizeof (*array)))
24
25#define CASE(id,test) case id:                          \
26                          name = #test;                 \
27                          if (exec) {                   \
28                              logln(#test "---");       \
29                              logln((UnicodeString)""); \
30                              test();                   \
31                          }                             \
32                          break
33
34void CanonicalIteratorTest::runIndexedTest(int32_t index, UBool exec,
35                                         const char* &name, char* /*par*/) {
36    switch (index) {
37        CASE(0, TestBasic);
38        CASE(1, TestExhaustive);
39        CASE(2, TestAPI);
40      default: name = ""; break;
41    }
42}
43
44/**
45 * Convert Java-style strings with \u Unicode escapes into UnicodeString objects
46static UnicodeString str(const char *input)
47{
48    UnicodeString str(input, ""); // Invariant conversion
49    return str.unescape();
50}
51 */
52
53
54CanonicalIteratorTest::CanonicalIteratorTest() :
55nameTrans(NULL), hexTrans(NULL)
56{
57}
58
59CanonicalIteratorTest::~CanonicalIteratorTest()
60{
61#if !UCONFIG_NO_TRANSLITERATION
62  if(nameTrans != NULL) {
63    delete(nameTrans);
64  }
65  if(hexTrans != NULL) {
66    delete(hexTrans);
67  }
68#endif
69}
70
71void CanonicalIteratorTest::TestExhaustive() {
72    UErrorCode status = U_ZERO_ERROR;
73    CanonicalIterator it("", status);
74    UChar32 i = 0;
75    UnicodeString s;
76    // Test static and dynamic class IDs
77    if(it.getDynamicClassID() != CanonicalIterator::getStaticClassID()){
78        errln("CanonicalIterator::getStaticClassId ! = CanonicalIterator.getDynamicClassID");
79    }
80    for (i = 0; i < 0x10FFFF; quick?i+=0x10:++i) {
81        //for (i = 0xae00; i < 0xaf00; ++i) {
82
83        if ((i % 0x100) == 0) {
84            logln("Testing U+%06X", i);
85        }
86
87        // skip characters we know don't have decomps
88        int8_t type = u_charType(i);
89        if (type == U_UNASSIGNED || type == U_PRIVATE_USE_CHAR
90            || type == U_SURROGATE) continue;
91
92        s = i;
93        characterTest(s, i, it);
94
95        s += (UChar32)0x0345; //"\\u0345";
96        characterTest(s, i, it);
97    }
98}
99
100void CanonicalIteratorTest::TestBasic() {
101
102    UErrorCode status = U_ZERO_ERROR;
103
104    static const char * const testArray[][2] = {
105        {"\\u00C5d\\u0307\\u0327", "A\\u030Ad\\u0307\\u0327, A\\u030Ad\\u0327\\u0307, A\\u030A\\u1E0B\\u0327, "
106            "A\\u030A\\u1E11\\u0307, \\u00C5d\\u0307\\u0327, \\u00C5d\\u0327\\u0307, "
107            "\\u00C5\\u1E0B\\u0327, \\u00C5\\u1E11\\u0307, \\u212Bd\\u0307\\u0327, "
108            "\\u212Bd\\u0327\\u0307, \\u212B\\u1E0B\\u0327, \\u212B\\u1E11\\u0307"},
109        {"\\u010d\\u017E", "c\\u030Cz\\u030C, c\\u030C\\u017E, \\u010Dz\\u030C, \\u010D\\u017E"},
110        {"x\\u0307\\u0327", "x\\u0307\\u0327, x\\u0327\\u0307, \\u1E8B\\u0327"},
111    };
112
113#if 0
114    // This is not interesting for C/C++ as the data is already built beforehand
115    // check build
116    UnicodeSet ss = CanonicalIterator.getSafeStart();
117    logln("Safe Start: " + ss.toPattern(true));
118    ss = CanonicalIterator.getStarts('a');
119    expectEqual("Characters with 'a' at the start of their decomposition: ", "", CanonicalIterator.getStarts('a'),
120        new UnicodeSet("[\u00E0-\u00E5\u0101\u0103\u0105\u01CE\u01DF\u01E1\u01FB"
121        + "\u0201\u0203\u0227\u1E01\u1EA1\u1EA3\u1EA5\u1EA7\u1EA9\u1EAB\u1EAD\u1EAF\u1EB1\u1EB3\u1EB5\u1EB7]")
122            );
123#endif
124
125    // check permute
126    // NOTE: we use a TreeSet below to sort the output, which is not guaranteed to be sorted!
127
128    Hashtable *permutations = new Hashtable(FALSE, status);
129    permutations->setValueDeleter(uhash_deleteUnicodeString);
130    UnicodeString toPermute("ABC");
131
132    CanonicalIterator::permute(toPermute, FALSE, permutations, status);
133
134    logln("testing permutation");
135
136    expectEqual("Simple permutation ", "", collectionToString(permutations), "ABC, ACB, BAC, BCA, CAB, CBA");
137
138    delete permutations;
139
140    // try samples
141    logln("testing samples");
142    Hashtable *set = new Hashtable(FALSE, status);
143    set->setValueDeleter(uhash_deleteUnicodeString);
144    int32_t i = 0;
145    CanonicalIterator it("", status);
146    if(U_SUCCESS(status)) {
147      for (i = 0; i < ARRAY_LENGTH(testArray); ++i) {
148          //logln("Results for: " + name.transliterate(testArray[i]));
149          UnicodeString testStr = CharsToUnicodeString(testArray[i][0]);
150          it.setSource(testStr, status);
151          set->removeAll();
152          for (;;) {
153              //UnicodeString *result = new UnicodeString(it.next());
154              UnicodeString result(it.next());
155              if (result.isBogus()) {
156                  break;
157              }
158              set->put(result, new UnicodeString(result), status); // Add result to the table
159              //logln(++counter + ": " + hex.transliterate(result));
160              //logln(" = " + name.transliterate(result));
161          }
162          expectEqual(i + ": ", testStr, collectionToString(set), CharsToUnicodeString(testArray[i][1]));
163
164      }
165    } else {
166      errln("Couldn't instantiate canonical iterator. Error: %s", u_errorName(status));
167    }
168    delete set;
169}
170
171void CanonicalIteratorTest::characterTest(UnicodeString &s, UChar32 ch, CanonicalIterator &it)
172{
173    UErrorCode status = U_ZERO_ERROR;
174    UnicodeString decomp, comp;
175    UBool gotDecomp = FALSE;
176    UBool gotComp = FALSE;
177    UBool gotSource = FALSE;
178
179    Normalizer::decompose(s, FALSE, 0, decomp, status);
180    Normalizer::compose(s, FALSE, 0, comp, status);
181
182    // skip characters that don't have either decomp.
183    // need quick test for this!
184    if (s == decomp && s == comp) {
185        return;
186    }
187
188    it.setSource(s, status);
189
190    for (;;) {
191        UnicodeString item = it.next();
192        if (item.isBogus()) break;
193        if (item == s) gotSource = TRUE;
194        if (item == decomp) gotDecomp = TRUE;
195        if (item == comp) gotComp = TRUE;
196    }
197
198    if (!gotSource || !gotDecomp || !gotComp) {
199        errln("FAIL CanonicalIterator: " + s + (int)ch);
200    }
201}
202
203void CanonicalIteratorTest::expectEqual(const UnicodeString &message, const UnicodeString &item, const UnicodeString &a, const UnicodeString &b) {
204    if (!(a==b)) {
205        errln("FAIL: " + message + getReadable(item));
206        errln("\t" + getReadable(a));
207        errln("\t" + getReadable(b));
208    } else {
209        logln("Checked: " + message + getReadable(item));
210        logln("\t" + getReadable(a));
211        logln("\t" + getReadable(b));
212    }
213}
214
215UnicodeString CanonicalIteratorTest::getReadable(const UnicodeString &s) {
216  UErrorCode status = U_ZERO_ERROR;
217  UnicodeString result = "[";
218    if (s.length() == 0) return "";
219    // set up for readable display
220#if !UCONFIG_NO_TRANSLITERATION
221    if(verbose) {
222      if (nameTrans == NULL)
223          nameTrans = Transliterator::createInstance("[^\\ -\\u007F] name", UTRANS_FORWARD, status);
224      UnicodeString sName = s;
225      nameTrans->transliterate(sName);
226      result += sName;
227      result += ";";
228    }
229    if (hexTrans == NULL)
230        hexTrans = Transliterator::createInstance("[^\\ -\\u007F] hex", UTRANS_FORWARD, status);
231#endif
232    UnicodeString sHex = s;
233#if !UCONFIG_NO_TRANSLITERATION
234    if(hexTrans) { // maybe there is no data and transliterator cannot be instantiated
235      hexTrans->transliterate(sHex);
236    }
237#endif
238    result += sHex;
239    result += "]";
240    return result;
241    //return "[" + (verbose ? name->transliterate(s) + "; " : "") + hex->transliterate(s) + "]";
242}
243
244U_CFUNC int U_CALLCONV
245compareUnicodeStrings(const void *s1, const void *s2) {
246  UnicodeString **st1 = (UnicodeString **)s1;
247  UnicodeString **st2 = (UnicodeString **)s2;
248
249  return (*st1)->compare(**st2);
250}
251
252
253UnicodeString CanonicalIteratorTest::collectionToString(Hashtable *col) {
254    UnicodeString result;
255
256    // Iterate over the Hashtable, then qsort.
257
258    UnicodeString **resArray = new UnicodeString*[col->count()];
259    int32_t i = 0;
260
261    const UHashElement *ne = NULL;
262    int32_t el = -1;
263    //Iterator it = basic.iterator();
264    ne = col->nextElement(el);
265    //while (it.hasNext())
266    while (ne != NULL) {
267      //String item = (String) it.next();
268      UnicodeString *item = (UnicodeString *)(ne->value.pointer);
269      resArray[i++] = item;
270      ne = col->nextElement(el);
271    }
272
273    for(i = 0; i<col->count(); ++i) {
274      logln(*resArray[i]);
275    }
276
277    qsort(resArray, col->count(), sizeof(UnicodeString *), compareUnicodeStrings);
278
279    result = *resArray[0];
280
281    for(i = 1; i<col->count(); ++i) {
282      result += ", ";
283      result += *resArray[i];
284    }
285
286/*
287    Iterator it = col.iterator();
288    while (it.hasNext()) {
289        if (result.length() != 0) result.append(", ");
290        result.append(it.next().toString());
291    }
292*/
293
294    delete [] resArray;
295
296    return result;
297}
298
299void CanonicalIteratorTest::TestAPI() {
300  UErrorCode status = U_ZERO_ERROR;
301  // Test reset and getSource
302  UnicodeString start("ljubav");
303  logln("Testing CanonicalIterator::getSource");
304  logln("Instantiating canonical iterator with string "+start);
305  CanonicalIterator can(start, status);
306  UnicodeString source = can.getSource();
307  logln("CanonicalIterator::getSource returned "+source);
308  if(start != source) {
309    errln("CanonicalIterator.getSource() didn't return the starting string. Expected "+start+", got "+source);
310  }
311  logln("Testing CanonicalIterator::reset");
312  UnicodeString next = can.next();
313  logln("CanonicalIterator::next returned "+next);
314
315  can.reset();
316
317  UnicodeString afterReset = can.next();
318  logln("After reset, CanonicalIterator::next returned "+afterReset);
319
320  if(next != afterReset) {
321    errln("Next after instantiation ("+next+") is different from next after reset ("+afterReset+").");
322  }
323
324  logln("Testing getStaticClassID and getDynamicClassID");
325  if(can.getDynamicClassID() != CanonicalIterator::getStaticClassID()){
326      errln("RTTI failed for CanonicalIterator getDynamicClassID != getStaticClassID");
327  }
328}
329
330#endif /* #if !UCONFIG_NO_NORMALIZATION */
331