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1 /********************************************************************
2  * COPYRIGHT:
3  * Copyright (c) 2002-2009, International Business Machines Corporation and
4  * others. All Rights Reserved.
5  ********************************************************************/
6 
7 /**
8  * UCAConformanceTest performs conformance tests defined in the data
9  * files. ICU ships with stub data files, as the whole test are too
10  * long. To do the whole test, download the test files.
11  */
12 
13 #include "unicode/utypes.h"
14 
15 #if !UCONFIG_NO_COLLATION
16 
17 #include "ucaconf.h"
18 #include "unicode/ustring.h"
19 #include "cstring.h"
20 #include "uparse.h"
21 
UCAConformanceTest()22 UCAConformanceTest::UCAConformanceTest() :
23 rbUCA(NULL),
24 testFile(NULL),
25 status(U_ZERO_ERROR)
26 {
27     UCA = ucol_open("root", &status);
28     if(U_FAILURE(status)) {
29         errln("ERROR - UCAConformanceTest: Unable to open UCA collator!");
30     }
31 
32     const char *srcDir = IntlTest::getSourceTestData(status);
33     if (U_FAILURE(status)) {
34         dataerrln("Could not open test data %s", u_errorName(status));
35         return;
36     }
37     uprv_strcpy(testDataPath, srcDir);
38     uprv_strcat(testDataPath, "CollationTest_");
39 }
40 
~UCAConformanceTest()41 UCAConformanceTest::~UCAConformanceTest()
42 {
43     ucol_close(UCA);
44     if(rbUCA) {
45         ucol_close(rbUCA);
46     }
47     if(testFile) {
48         fclose(testFile);
49     }
50 }
51 
runIndexedTest(int32_t index,UBool exec,const char * & name,char *)52 void UCAConformanceTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par */)
53 {
54     if (exec) logln("TestSuite UCAConformanceTest: ");
55     if(U_SUCCESS(status)) {
56       switch (index) {
57           case 0: name = "TestTableNonIgnorable"; if (exec)   TestTableNonIgnorable(/* par */); break;
58           case 1: name = "TestTableShifted";      if (exec)   TestTableShifted(/* par */);      break;
59           case 2: name = "TestRulesNonIgnorable"; if (exec)   TestRulesNonIgnorable(/* par */); break;
60           case 3: name = "TestRulesShifted";      if (exec)   TestRulesShifted(/* par */);      break;
61           default: name = ""; break;
62       }
63     } else {
64       name = "";
65     }
66 }
67 
initRbUCA()68 void UCAConformanceTest::initRbUCA()
69 {
70     if(!rbUCA) {
71         UParseError parseError;
72         UChar      *ucarules;
73         // preflight rules
74         int32_t size = ucol_getRulesEx(UCA, UCOL_FULL_RULES, NULL, 0);
75         ucarules = (UChar *)malloc(size * sizeof(UChar));
76 
77         size = ucol_getRulesEx(UCA, UCOL_FULL_RULES, ucarules, size);
78         rbUCA = ucol_openRules(ucarules, size, UCOL_DEFAULT, UCOL_TERTIARY,
79             &parseError, &status);
80         free(ucarules);
81         if (U_FAILURE(status)) {
82             errln("Failure creating UCA rule-based collator: %s", u_errorName(status));
83             return;
84         }
85     }
86 }
87 
setCollNonIgnorable(UCollator * coll)88 void UCAConformanceTest::setCollNonIgnorable(UCollator *coll)
89 {
90   ucol_setAttribute(coll, UCOL_NORMALIZATION_MODE, UCOL_ON, &status);
91   ucol_setAttribute(coll, UCOL_CASE_FIRST, UCOL_OFF, &status);
92   ucol_setAttribute(coll, UCOL_CASE_LEVEL, UCOL_OFF, &status);
93   ucol_setAttribute(coll, UCOL_STRENGTH, UCOL_TERTIARY, &status);
94   ucol_setAttribute(coll, UCOL_ALTERNATE_HANDLING, UCOL_NON_IGNORABLE, &status);
95 }
96 
setCollShifted(UCollator * coll)97 void UCAConformanceTest::setCollShifted(UCollator *coll)
98 {
99     ucol_setAttribute(coll, UCOL_NORMALIZATION_MODE, UCOL_ON, &status);
100     ucol_setAttribute(coll, UCOL_CASE_FIRST, UCOL_OFF, &status);
101     ucol_setAttribute(coll, UCOL_CASE_LEVEL, UCOL_OFF, &status);
102     ucol_setAttribute(coll, UCOL_STRENGTH, UCOL_QUATERNARY, &status);
103     ucol_setAttribute(coll, UCOL_ALTERNATE_HANDLING, UCOL_SHIFTED, &status);
104 }
105 
openTestFile(const char * type)106 void UCAConformanceTest::openTestFile(const char *type)
107 {
108     const char *ext = ".txt";
109     if(testFile) {
110         fclose(testFile);
111     }
112     char buffer[1024];
113     uprv_strcpy(buffer, testDataPath);
114     uprv_strcat(buffer, type);
115     int32_t bufLen = (int32_t)uprv_strlen(buffer);
116 
117     // we try to open 3 files:
118     // path/CollationTest_type.txt
119     // path/CollationTest_type_SHORT.txt
120     // path/CollationTest_type_STUB.txt
121     // we are going to test with the first one that we manage to open.
122 
123     uprv_strcpy(buffer+bufLen, ext);
124 
125     testFile = fopen(buffer, "rb");
126 
127     if(testFile == 0) {
128         uprv_strcpy(buffer+bufLen, "_SHORT");
129         uprv_strcat(buffer, ext);
130         testFile = fopen(buffer, "rb");
131 
132         if(testFile == 0) {
133             uprv_strcpy(buffer+bufLen, "_STUB");
134             uprv_strcat(buffer, ext);
135             testFile = fopen(buffer, "rb");
136 
137             if (testFile == 0) {
138                 *(buffer+bufLen) = 0;
139                 dataerrln("Could not open any of the conformance test files, tried opening base %s\n", buffer);
140                 return;
141             } else {
142                 infoln(
143                     "INFO: Working with the stub file.\n"
144                     "If you need the full conformance test, please\n"
145                     "download the appropriate data files from:\n"
146                     "http://source.icu-project.org/repos/icu/tools/trunk/unicodetools/com/ibm/text/data/");
147             }
148         }
149     }
150 }
151 
testConformance(UCollator * coll)152 void UCAConformanceTest::testConformance(UCollator *coll)
153 {
154     if(testFile == 0) {
155         return;
156     }
157 
158     int32_t line = 0;
159 
160     UChar b1[1024], b2[1024];
161     char lineB[1024];
162     UChar *buffer = b1, *oldB = NULL;
163     uint8_t sk1[1024], sk2[1024];
164     uint8_t *oldSk = NULL, *newSk = sk1;
165     int32_t resLen = 0, oldLen = 0;
166     int32_t buflen = 0, oldBlen = 0;
167     uint32_t first = 0;
168     uint32_t offset = 0;
169     UnicodeString oldS, newS;
170 
171 
172     while (fgets(lineB, 1024, testFile) != NULL) {
173         offset = 0;
174 
175         line++;
176         if(*lineB == 0 || strlen(lineB) < 3 || lineB[0] == '#') {
177             continue;
178         }
179         offset = u_parseString(lineB, buffer, 1024, &first, &status);
180         buflen = offset;
181         buffer[offset++] = 0;
182 
183         resLen = ucol_getSortKey(coll, buffer, buflen, newSk, 1024);
184 
185         int32_t res = 0, cmpres = 0, cmpres2 = 0;
186 
187         if(oldSk != NULL) {
188             res = strcmp((char *)oldSk, (char *)newSk);
189             cmpres = ucol_strcoll(coll, oldB, oldBlen, buffer, buflen);
190             cmpres2 = ucol_strcoll(coll, buffer, buflen, oldB, oldBlen);
191 
192             if(cmpres != -cmpres2) {
193                 errln("Compare result not symmetrical on line %i", line);
194             }
195 
196             if(((res&0x80000000) != (cmpres&0x80000000)) || (res == 0 && cmpres != 0) || (res != 0 && cmpres == 0)) {
197                 errln("Difference between ucol_strcoll and sortkey compare on line %i", line);
198                 logln("Data line %s", lineB);
199             }
200 
201             if(res > 0) {
202                 errln("Line %i is not greater or equal than previous line", line);
203                 logln("Data line %s", lineB);
204                 prettify(CollationKey(oldSk, oldLen), oldS);
205                 prettify(CollationKey(newSk, resLen), newS);
206                 logln("Keys: "+oldS+" and "+newS);
207             } else if(res == 0) { /* equal */
208                 res = u_strcmpCodePointOrder(oldB, buffer);
209                 if (res == 0) {
210                     errln("Probable error in test file on line %i (comparing identical strings)", line);
211                     logln("Data line %s", lineB);
212                 } else if (res > 0) {
213                     errln("Sortkeys are identical, but code point comapare gives >0 on line %i", line);
214                     logln("Data line %s", lineB);
215                 }
216             }
217         }
218 
219         oldSk = newSk;
220         oldLen = resLen;
221 
222         newSk = (newSk == sk1)?sk2:sk1;
223         oldB = buffer;
224         oldBlen = buflen;
225         buffer = (buffer == b1)?b2:b1;
226     }
227 }
228 
TestTableNonIgnorable()229 void UCAConformanceTest::TestTableNonIgnorable(/* par */) {
230     setCollNonIgnorable(UCA);
231     openTestFile("NON_IGNORABLE");
232     testConformance(UCA);
233 }
234 
TestTableShifted()235 void UCAConformanceTest::TestTableShifted(/* par */) {
236     setCollShifted(UCA);
237     openTestFile("SHIFTED");
238     testConformance(UCA);
239 }
240 
TestRulesNonIgnorable()241 void UCAConformanceTest::TestRulesNonIgnorable(/* par */) {
242     initRbUCA();
243 
244     if(U_SUCCESS(status)) {
245         setCollNonIgnorable(rbUCA);
246         openTestFile("NON_IGNORABLE");
247         testConformance(rbUCA);
248     }
249 }
250 
TestRulesShifted()251 void UCAConformanceTest::TestRulesShifted(/* par */) {
252     logln("This test is currently disabled, as it is impossible to "
253         "wholly represent fractional UCA using tailoring rules.");
254     return;
255 
256     initRbUCA();
257 
258     if(U_SUCCESS(status)) {
259         setCollShifted(rbUCA);
260         openTestFile("SHIFTED");
261         testConformance(rbUCA);
262     }
263 }
264 
265 #endif /* #if !UCONFIG_NO_COLLATION */
266