|  | /* | 
|  | ********************************************************************** | 
|  | *   Copyright (C) 2001, International Business Machines | 
|  | *   Corporation and others.  All Rights Reserved. | 
|  | ********************************************************************** | 
|  | *   Date        Name        Description | 
|  | *   12/09/99    aliu        Ported from Java. | 
|  | ********************************************************************** | 
|  | */ | 
|  |  | 
|  | #include "thcoll.h" | 
|  | #include "unicode/utypes.h" | 
|  | #include "unicode/coll.h" | 
|  | #include "unicode/sortkey.h" | 
|  | #include "cstring.h" | 
|  | #include "filestrm.h" | 
|  |  | 
|  | /** | 
|  | * The TestDictionary test expects a file of this name, with this | 
|  | * encoding, to be present in the directory $ICU/source/test/testdata. | 
|  | */ | 
|  | #define TEST_FILE           "th18057.txt" | 
|  | #define TEST_FILE_ENCODING  "UTF8" | 
|  |  | 
|  | /** | 
|  | * This is the most failures we show in TestDictionary.  If this number | 
|  | * is < 0, we show all failures. | 
|  | */ | 
|  | #define MAX_FAILURES_TO_SHOW 8 | 
|  |  | 
|  | #define CASE(id,test)                 \ | 
|  | case id:                          \ | 
|  | name = #test;                 \ | 
|  | if (exec) {                   \ | 
|  | logln(#test "---");       \ | 
|  | logln((UnicodeString)""); \ | 
|  | test();                   \ | 
|  | }                             \ | 
|  | break; | 
|  |  | 
|  | CollationThaiTest::CollationThaiTest() { | 
|  | UErrorCode status = U_ZERO_ERROR; | 
|  | coll = Collator::createInstance(Locale("th", "TH", ""), status); | 
|  | if (coll && U_SUCCESS(status)) { | 
|  | coll->setStrength(Collator::TERTIARY); | 
|  | } else { | 
|  | delete coll; | 
|  | coll = 0; | 
|  | } | 
|  | } | 
|  |  | 
|  | CollationThaiTest::~CollationThaiTest() { | 
|  | delete coll; | 
|  | } | 
|  |  | 
|  | void CollationThaiTest::runIndexedTest(int32_t index, UBool exec, const char* &name, | 
|  | char* /*par*/) { | 
|  |  | 
|  | if((!coll) && exec) { | 
|  | errln(__FILE__ " cannot test - failed to create collator."); | 
|  | name = ""; | 
|  | return; | 
|  | } | 
|  |  | 
|  | switch (index) { | 
|  | CASE(0,TestDictionary) | 
|  | CASE(1,TestCornerCases) | 
|  | default: name = ""; break; | 
|  | } | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Read a line terminated by a single ^J or ^M, and convert it from | 
|  | * the TEST_FILE_ENCODING to Unicode.  ASSUMES FILE LINES ARE 127 | 
|  | * characters long or less.  This is true for th18057.txt, which | 
|  | * has 80-char or shorter lines.  DOES NOT HANDLE ^M^J sequence. | 
|  | */ | 
|  | static UBool readLine(FileStream *in, UnicodeString& line) { | 
|  | if (T_FileStream_eof(in)) { | 
|  | return FALSE; | 
|  | } | 
|  | char buffer[128]; | 
|  | char* p = buffer; | 
|  | char* limit = p + sizeof(buffer) - 1; // Leave space for 0 | 
|  | while (p<limit) { | 
|  | int c = T_FileStream_getc(in); | 
|  | if (c < 0 || c == 0xD || c == 0xA) { | 
|  | break; | 
|  | } | 
|  | *p++ = c; | 
|  | } | 
|  | *p = 0; | 
|  | line = UnicodeString(buffer, TEST_FILE_ENCODING); | 
|  | return TRUE; | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Read the external dictionary file, which is already in proper | 
|  | * sorted order, and confirm that the collator compares each line as | 
|  | * preceding the following line. | 
|  | */ | 
|  | void CollationThaiTest::TestDictionary(void) { | 
|  | if (coll == 0) { | 
|  | errln("Error: could not construct Thai collator"); | 
|  | return; | 
|  | } | 
|  |  | 
|  | // Read in a dictionary of Thai words | 
|  | UErrorCode status = U_ZERO_ERROR; | 
|  | char buffer[1024]; | 
|  | uprv_strcpy(buffer,IntlTest::loadTestData(status) ); | 
|  | char* index = 0; | 
|  |  | 
|  | index=strrchr(buffer,(char)U_FILE_SEP_CHAR); | 
|  |  | 
|  | if((unsigned int)(index-buffer) != (strlen(buffer)-1)){ | 
|  | *(index+1)=0; | 
|  | } | 
|  | uprv_strcat(buffer,".."U_FILE_SEP_STRING); | 
|  | uprv_strcat(buffer, TEST_FILE); | 
|  |  | 
|  | FileStream *in = T_FileStream_open(buffer, "rb"); | 
|  | if (in == 0) { | 
|  | errln((UnicodeString)"Error: could not open test file " + buffer); | 
|  | return; | 
|  | } | 
|  |  | 
|  | // | 
|  | // Loop through each word in the dictionary and compare it to the previous | 
|  | // word.  They should be in sorted order. | 
|  | // | 
|  | UnicodeString lastWord, word; | 
|  | int32_t line = 0; | 
|  | int32_t failed = 0; | 
|  | int32_t wordCount = 0; | 
|  | while (readLine(in, word)) { | 
|  | line++; | 
|  |  | 
|  | // Skip comments and blank lines | 
|  | if (word.charAt(0) == 0x23 || word.length() == 0) { | 
|  | continue; | 
|  | } | 
|  |  | 
|  | // Show the first 8 words being compared, so we can see what's happening | 
|  | ++wordCount; | 
|  | if (wordCount <= 8) { | 
|  | UnicodeString str; | 
|  | logln((UnicodeString)"Word " + wordCount + ": " + IntlTest::prettify(word, str)); | 
|  | } | 
|  |  | 
|  | if (lastWord.length() > 0) { | 
|  | int32_t result = coll->compare(lastWord, word); | 
|  |  | 
|  | if (result >= 0) { | 
|  | failed++; | 
|  | if (MAX_FAILURES_TO_SHOW < 0 || failed <= MAX_FAILURES_TO_SHOW) { | 
|  | UnicodeString str; | 
|  | UnicodeString msg = | 
|  | UnicodeString("--------------------------------------------\n") | 
|  | + line | 
|  | + " compare(" + IntlTest::prettify(lastWord, str); | 
|  | msg += UnicodeString(", ") | 
|  | + IntlTest::prettify(word, str) + ") returned " + result | 
|  | + ", expected -1\n"; | 
|  | UErrorCode status = U_ZERO_ERROR; | 
|  | CollationKey k1, k2; | 
|  | coll->getCollationKey(lastWord, k1, status); | 
|  | coll->getCollationKey(word, k2, status); | 
|  | if (U_FAILURE(status)) { | 
|  | errln((UnicodeString)"Fail: getCollationKey returned " + u_errorName(status)); | 
|  | return; | 
|  | } | 
|  | msg.append("key1: ").append(prettify(k1, str)).append("\n"); | 
|  | msg.append("key2: ").append(prettify(k2, str)); | 
|  | errln(msg); | 
|  | } | 
|  | } | 
|  | } | 
|  | lastWord = word; | 
|  | } | 
|  |  | 
|  | if (failed != 0) { | 
|  | if (failed > MAX_FAILURES_TO_SHOW) { | 
|  | errln((UnicodeString)"Too many failures; only the first " + | 
|  | MAX_FAILURES_TO_SHOW + " failures were shown"); | 
|  | } | 
|  | errln((UnicodeString)"Summary: " + failed + " of " + (line - 1) + | 
|  | " comparisons failed"); | 
|  | } | 
|  |  | 
|  | logln((UnicodeString)"Words checked: " + wordCount); | 
|  | T_FileStream_close(in); | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Odd corner conditions taken from "How to Sort Thai Without Rewriting Sort", | 
|  | * by Doug Cooper, http://seasrc.th.net/paper/thaisort.zip | 
|  | */ | 
|  | void CollationThaiTest::TestCornerCases(void) { | 
|  | const char* TESTS[] = { | 
|  | // Shorter words precede longer | 
|  | "\\u0e01",                               "<",    "\\u0e01\\u0e01", | 
|  |  | 
|  | // Tone marks are considered after letters (i.e. are primary ignorable) | 
|  | "\\u0e01\\u0e32",                        "<",    "\\u0e01\\u0e49\\u0e32", | 
|  |  | 
|  | // ditto for other over-marks | 
|  | "\\u0e01\\u0e32",                        "<",    "\\u0e01\\u0e32\\u0e4c", | 
|  |  | 
|  | // commonly used mark-in-context order. | 
|  | // In effect, marks are sorted after each syllable. | 
|  | "\\u0e01\\u0e32\\u0e01\\u0e49\\u0e32",   "<",    "\\u0e01\\u0e48\\u0e32\\u0e01\\u0e49\\u0e32", | 
|  |  | 
|  | // Hyphens and other punctuation follow whitespace but come before letters | 
|  | "\\u0e01\\u0e32",                        "<",    "\\u0e01\\u0e32-", | 
|  | "\\u0e01\\u0e32-",                       "<",    "\\u0e01\\u0e32\\u0e01\\u0e32", | 
|  |  | 
|  | // Doubler follows an indentical word without the doubler | 
|  | "\\u0e01\\u0e32",                        "<",    "\\u0e01\\u0e32\\u0e46", | 
|  | "\\u0e01\\u0e32\\u0e46",                 "<",    "\\u0e01\\u0e32\\u0e01\\u0e32", | 
|  |  | 
|  |  | 
|  | // \\u0e45 after either \\u0e24 or \\u0e26 is treated as a single | 
|  | // combining character, similar to "c < ch" in traditional spanish. | 
|  | // TODO: beef up this case | 
|  | "\\u0e24\\u0e29\\u0e35",                 "<",    "\\u0e24\\u0e45\\u0e29\\u0e35", | 
|  | "\\u0e26\\u0e29\\u0e35",                 "<",    "\\u0e26\\u0e45\\u0e29\\u0e35", | 
|  |  | 
|  | // Vowels reorder, should compare \\u0e2d and \\u0e34 | 
|  | "\\u0e40\\u0e01\\u0e2d",                 "<",    "\\u0e40\\u0e01\\u0e34", | 
|  |  | 
|  | // Tones are compared after the rest of the word (e.g. primary ignorable) | 
|  | "\\u0e01\\u0e32\\u0e01\\u0e48\\u0e32",   "<",    "\\u0e01\\u0e49\\u0e32\\u0e01\\u0e32", | 
|  |  | 
|  | // Periods are ignored entirely | 
|  | "\\u0e01.\\u0e01.",                      "<",    "\\u0e01\\u0e32", | 
|  | }; | 
|  | const int32_t TESTS_length = (int32_t)(sizeof(TESTS)/sizeof(TESTS[0])); | 
|  |  | 
|  | if (coll == 0) { | 
|  | errln("Error: could not construct Thai collator"); | 
|  | return; | 
|  | } | 
|  | compareArray(*coll, TESTS, TESTS_length); | 
|  | } | 
|  |  | 
|  | //------------------------------------------------------------------------ | 
|  | // Internal utilities | 
|  | //------------------------------------------------------------------------ | 
|  |  | 
|  | void CollationThaiTest::compareArray(const Collator& c, const char* tests[], | 
|  | int32_t testsLength) { | 
|  | UErrorCode status = U_ZERO_ERROR; | 
|  | for (int32_t i = 0; i < testsLength; i += 3) { | 
|  |  | 
|  | int32_t expect = 0; | 
|  | if (tests[i+1][0] == '<') { | 
|  | expect = -1; | 
|  | } else if (tests[i+1][0] == '>') { | 
|  | expect = 1; | 
|  | } else if (tests[i+1][0] == '=') { | 
|  | expect = 0; | 
|  | } else { | 
|  | // expect = Integer.decode(tests[i+1]).intValue(); | 
|  | errln((UnicodeString)"Error: unknown operator " + tests[i+1]); | 
|  | return; | 
|  | } | 
|  |  | 
|  | UnicodeString s1, s2; | 
|  | parseChars(s1, tests[i]); | 
|  | parseChars(s2, tests[i+2]); | 
|  |  | 
|  | int32_t result = c.compare(s1, s2); | 
|  | if (sign(result) != sign(expect)) | 
|  | { | 
|  | UnicodeString t1, t2; | 
|  | errln(UnicodeString("") + | 
|  | i/3 + ": compare(" + IntlTest::prettify(s1, t1) | 
|  | + " , " + IntlTest::prettify(s2, t2) | 
|  | + ") got " + result + "; expected " + expect); | 
|  |  | 
|  | CollationKey k1, k2; | 
|  | c.getCollationKey(s1, k1, status); | 
|  | c.getCollationKey(s2, k2, status); | 
|  | if (U_FAILURE(status)) { | 
|  | errln((UnicodeString)"Fail: getCollationKey returned " + u_errorName(status)); | 
|  | return; | 
|  | } | 
|  | errln((UnicodeString)"  key1: " + prettify(k1, t1) ); | 
|  | errln((UnicodeString)"  key2: " + prettify(k2, t2) ); | 
|  | } | 
|  | else | 
|  | { | 
|  | // Collator.compare worked OK; now try the collation keys | 
|  | CollationKey k1, k2; | 
|  | c.getCollationKey(s1, k1, status); | 
|  | c.getCollationKey(s2, k2, status); | 
|  | if (U_FAILURE(status)) { | 
|  | errln((UnicodeString)"Fail: getCollationKey returned " + u_errorName(status)); | 
|  | return; | 
|  | } | 
|  |  | 
|  | result = k1.compareTo(k2); | 
|  | if (sign(result) != sign(expect)) { | 
|  | UnicodeString t1, t2; | 
|  | errln(UnicodeString("") + | 
|  | i/3 + ": key(" + IntlTest::prettify(s1, t1) | 
|  | + ").compareTo(key(" + IntlTest::prettify(s2, t2) | 
|  | + ")) got " + result + "; expected " + expect); | 
|  |  | 
|  | errln((UnicodeString)"  " + prettify(k1, t1) + " vs. " + prettify(k2, t2)); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | int8_t CollationThaiTest::sign(int32_t i) { | 
|  | if (i < 0) return -1; | 
|  | if (i > 0) return 1; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Set a UnicodeString corresponding to the given string.  Use | 
|  | * UnicodeString and the default converter, unless we see the sequence | 
|  | * "\\u", in which case we interpret the subsequent escape. | 
|  | */ | 
|  | UnicodeString& CollationThaiTest::parseChars(UnicodeString& result, | 
|  | const char* chars) { | 
|  | return result = CharsToUnicodeString(chars); | 
|  | } |