1999-12-16 01:41:19 +00:00
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/*
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**********************************************************************
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* Copyright (C) 1999, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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* Date Name Description
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* 12/09/99 aliu Ported from Java.
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**********************************************************************
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*/
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#include "thcoll.h"
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2000-08-16 01:28:16 +00:00
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#include "unicode/utypes.h"
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1999-12-28 23:57:50 +00:00
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#include "unicode/coll.h"
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#include "unicode/sortkey.h"
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1999-12-16 01:41:19 +00:00
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#include "cstring.h"
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#include "filestrm.h"
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/**
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* The TestDictionary test expects a file of this name, with this
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* encoding, to be present in the directory $ICU/source/test/testdata.
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*/
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#define TEST_FILE "th18057.txt"
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#define TEST_FILE_ENCODING "UTF8"
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/**
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* This is the most failures we show in TestDictionary. If this number
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* is < 0, we show all failures.
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*/
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#define MAX_FAILURES_TO_SHOW 8
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#define CASE(id,test) \
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case id: \
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name = #test; \
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if (exec) { \
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logln(#test "---"); \
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logln((UnicodeString)""); \
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test(); \
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} \
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break;
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CollationThaiTest::CollationThaiTest() {
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UErrorCode status = U_ZERO_ERROR;
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coll = Collator::createInstance(Locale("th", "TH", ""), status);
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if (coll && U_SUCCESS(status)) {
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coll->setStrength(Collator::TERTIARY);
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} else {
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delete coll;
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coll = 0;
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}
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}
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CollationThaiTest::~CollationThaiTest() {
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delete coll;
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}
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2000-08-14 21:42:36 +00:00
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void CollationThaiTest::runIndexedTest(int32_t index, UBool exec, const char* &name,
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2000-08-23 19:11:16 +00:00
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char* /*par*/) {
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2001-02-17 17:35:19 +00:00
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if((!coll) && exec) {
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errln(__FILE__ " cannot test - failed to create collator.");
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name = "";
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return;
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}
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1999-12-16 01:41:19 +00:00
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switch (index) {
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CASE(0,TestDictionary)
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CASE(1,TestCornerCases)
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default: name = ""; break;
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}
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}
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2000-04-04 20:44:43 +00:00
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/**
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* Read a line terminated by a single ^J or ^M, and convert it from
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* the TEST_FILE_ENCODING to Unicode. ASSUMES FILE LINES ARE 127
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* characters long or less. This is true for th18057.txt, which
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* has 80-char or shorter lines. DOES NOT HANDLE ^M^J sequence.
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*/
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2000-05-18 22:08:39 +00:00
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static UBool readLine(FileStream *in, UnicodeString& line) {
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2000-04-04 20:44:43 +00:00
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if (T_FileStream_eof(in)) {
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return FALSE;
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}
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char buffer[128];
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char* p = buffer;
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char* limit = p + sizeof(buffer) - 1; // Leave space for 0
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while (p<limit) {
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int c = T_FileStream_getc(in);
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if (c < 0 || c == 0xD || c == 0xA) {
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break;
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}
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*p++ = c;
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}
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*p = 0;
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line = UnicodeString(buffer, TEST_FILE_ENCODING);
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return TRUE;
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}
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1999-12-16 01:41:19 +00:00
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/**
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* Read the external dictionary file, which is already in proper
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* sorted order, and confirm that the collator compares each line as
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* preceding the following line.
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*/
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1999-12-22 22:57:04 +00:00
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void CollationThaiTest::TestDictionary(void) {
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1999-12-16 01:41:19 +00:00
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if (coll == 0) {
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errln("Error: could not construct Thai collator");
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return;
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}
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// Read in a dictionary of Thai words
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char buffer[1024];
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1999-12-28 23:57:50 +00:00
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uprv_strcpy(buffer, IntlTest::getTestDirectory());
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uprv_strcat(buffer, TEST_FILE);
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1999-12-16 01:41:19 +00:00
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2000-04-04 22:31:44 +00:00
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FileStream *in = T_FileStream_open(buffer, "rb");
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1999-12-16 01:41:19 +00:00
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if (in == 0) {
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errln((UnicodeString)"Error: could not open test file " + buffer);
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return;
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}
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//
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// Loop through each word in the dictionary and compare it to the previous
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// word. They should be in sorted order.
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//
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2000-04-04 20:44:43 +00:00
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UnicodeString lastWord, word;
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1999-12-16 01:41:19 +00:00
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int32_t line = 0;
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int32_t failed = 0;
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2000-04-04 20:44:43 +00:00
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int32_t wordCount = 0;
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while (readLine(in, word)) {
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1999-12-16 01:41:19 +00:00
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line++;
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2000-04-04 20:44:43 +00:00
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// Skip comments and blank lines
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if (word.charAt(0) == 0x23 || word.length() == 0) {
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1999-12-16 01:41:19 +00:00
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continue;
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}
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2000-04-04 20:44:43 +00:00
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// Show the first 8 words being compared, so we can see what's happening
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++wordCount;
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if (wordCount <= 8) {
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UnicodeString str;
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logln((UnicodeString)"Word " + wordCount + ": " + prettify(word, str));
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1999-12-16 01:41:19 +00:00
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}
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if (lastWord.length() > 0) {
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int32_t result = coll->compare(lastWord, word);
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if (result >= 0) {
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failed++;
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if (MAX_FAILURES_TO_SHOW < 0 || failed <= MAX_FAILURES_TO_SHOW) {
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UnicodeString str;
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UnicodeString msg =
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UnicodeString("--------------------------------------------\n")
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+ line
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+ " compare(" + prettify(lastWord, str);
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msg += UnicodeString(", ")
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+ prettify(word, str) + ") returned " + result
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+ ", expected -1\n";
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UErrorCode status = U_ZERO_ERROR;
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CollationKey k1, k2;
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coll->getCollationKey(lastWord, k1, status);
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coll->getCollationKey(word, k2, status);
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if (U_FAILURE(status)) {
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2000-08-16 01:28:16 +00:00
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errln((UnicodeString)"Fail: getCollationKey returned " + u_errorName(status));
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1999-12-16 01:41:19 +00:00
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return;
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}
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msg.append("key1: ").append(prettify(k1, str)).append("\n");
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msg.append("key2: ").append(prettify(k2, str));
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errln(msg);
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}
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}
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}
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lastWord = word;
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}
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if (failed != 0) {
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if (failed > MAX_FAILURES_TO_SHOW) {
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errln((UnicodeString)"Too many failures; only the first " +
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MAX_FAILURES_TO_SHOW + " failures were shown");
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}
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errln((UnicodeString)"Summary: " + failed + " of " + (line - 1) +
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" comparisons failed");
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}
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2000-04-04 20:44:43 +00:00
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logln((UnicodeString)"Words checked: " + wordCount);
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1999-12-16 01:41:19 +00:00
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}
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/**
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* Odd corner conditions taken from "How to Sort Thai Without Rewriting Sort",
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* by Doug Cooper, http://seasrc.th.net/paper/thaisort.zip
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*/
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1999-12-22 22:57:04 +00:00
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void CollationThaiTest::TestCornerCases(void) {
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1999-12-16 01:41:19 +00:00
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const char* TESTS[] = {
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// Shorter words precede longer
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"\\u0e01", "<", "\\u0e01\\u0e01",
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// Tone marks are considered after letters (i.e. are primary ignorable)
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"\\u0e01\\u0e32", "<", "\\u0e01\\u0e49\\u0e32",
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// ditto for other over-marks
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"\\u0e01\\u0e32", "<", "\\u0e01\\u0e32\\u0e4c",
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// commonly used mark-in-context order.
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// In effect, marks are sorted after each syllable.
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"\\u0e01\\u0e32\\u0e01\\u0e49\\u0e32", "<", "\\u0e01\\u0e48\\u0e32\\u0e01\\u0e49\\u0e32",
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// Hyphens and other punctuation follow whitespace but come before letters
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"\\u0e01\\u0e32", "<", "\\u0e01\\u0e32-",
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"\\u0e01\\u0e32-", "<", "\\u0e01\\u0e32\\u0e01\\u0e32",
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// Doubler follows an indentical word without the doubler
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"\\u0e01\\u0e32", "<", "\\u0e01\\u0e32\\u0e46",
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"\\u0e01\\u0e32\\u0e46", "<", "\\u0e01\\u0e32\\u0e01\\u0e32",
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// \\u0e45 after either \\u0e24 or \\u0e26 is treated as a single
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// combining character, similar to "c < ch" in traditional spanish.
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// TODO: beef up this case
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"\\u0e24\\u0e29\\u0e35", "<", "\\u0e24\\u0e45\\u0e29\\u0e35",
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"\\u0e26\\u0e29\\u0e35", "<", "\\u0e26\\u0e45\\u0e29\\u0e35",
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// Vowels reorder, should compare \\u0e2d and \\u0e34
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"\\u0e40\\u0e01\\u0e2d", "<", "\\u0e40\\u0e01\\u0e34",
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// Tones are compared after the rest of the word (e.g. primary ignorable)
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"\\u0e01\\u0e32\\u0e01\\u0e48\\u0e32", "<", "\\u0e01\\u0e49\\u0e32\\u0e01\\u0e32",
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// Periods are ignored entirely
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"\\u0e01.\\u0e01.", "<", "\\u0e01\\u0e32",
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};
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const int32_t TESTS_length = sizeof(TESTS)/sizeof(TESTS[0]);
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if (coll == 0) {
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errln("Error: could not construct Thai collator");
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return;
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}
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compareArray(*coll, TESTS, TESTS_length);
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}
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//------------------------------------------------------------------------
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// Internal utilities
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//------------------------------------------------------------------------
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void CollationThaiTest::compareArray(const Collator& c, const char* tests[],
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int32_t testsLength) {
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UErrorCode status = U_ZERO_ERROR;
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for (int32_t i = 0; i < testsLength; i += 3) {
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int32_t expect = 0;
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if (tests[i+1][0] == '<') {
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expect = -1;
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} else if (tests[i+1][0] == '>') {
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expect = 1;
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} else if (tests[i+1][0] == '=') {
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expect = 0;
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} else {
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// expect = Integer.decode(tests[i+1]).intValue();
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errln((UnicodeString)"Error: unknown operator " + tests[i+1]);
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return;
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}
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UnicodeString s1, s2;
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parseChars(s1, tests[i]);
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parseChars(s2, tests[i+2]);
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int32_t result = c.compare(s1, s2);
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if (sign(result) != sign(expect))
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{
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UnicodeString t1, t2;
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errln(UnicodeString("") +
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i/3 + ": compare(" + prettify(s1, t1)
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+ " , " + prettify(s2, t2)
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+ ") got " + result + "; expected " + expect);
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CollationKey k1, k2;
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c.getCollationKey(s1, k1, status);
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c.getCollationKey(s2, k2, status);
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if (U_FAILURE(status)) {
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2000-08-16 01:28:16 +00:00
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errln((UnicodeString)"Fail: getCollationKey returned " + u_errorName(status));
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1999-12-16 01:41:19 +00:00
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return;
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}
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errln((UnicodeString)" key1: " + prettify(k1, t1) );
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errln((UnicodeString)" key2: " + prettify(k2, t2) );
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}
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else
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{
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// Collator.compare worked OK; now try the collation keys
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CollationKey k1, k2;
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c.getCollationKey(s1, k1, status);
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c.getCollationKey(s2, k2, status);
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if (U_FAILURE(status)) {
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2000-08-16 01:28:16 +00:00
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errln((UnicodeString)"Fail: getCollationKey returned " + u_errorName(status));
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1999-12-16 01:41:19 +00:00
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return;
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}
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result = k1.compareTo(k2);
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if (sign(result) != sign(expect)) {
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UnicodeString t1, t2;
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errln(UnicodeString("") +
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i/3 + ": key(" + prettify(s1, t1)
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+ ").compareTo(key(" + prettify(s2, t2)
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+ ")) got " + result + "; expected " + expect);
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errln((UnicodeString)" " + prettify(k1, t1) + " vs. " + prettify(k2, t2));
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}
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}
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}
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}
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int8_t CollationThaiTest::sign(int32_t i) {
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if (i < 0) return -1;
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if (i > 0) return 1;
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return 0;
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}
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/**
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* Set a UnicodeString corresponding to the given string. Use
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* UnicodeString and the default converter, unless we see the sequence
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* "\\u", in which case we interpret the subsequent escape.
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*/
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UnicodeString& CollationThaiTest::parseChars(UnicodeString& result,
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const char* chars) {
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2000-03-22 23:17:42 +00:00
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return result = CharsToUnicodeString(chars);
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1999-12-16 01:41:19 +00:00
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}
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