538 lines
14 KiB
C++
538 lines
14 KiB
C++
/********************************************************************
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* COPYRIGHT:
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* Copyright (c) 1997-2001, International Business Machines Corporation and
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* others. All Rights Reserved.
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********************************************************************/
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#include "cmemory.h"
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#include "unicode/coll.h"
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#include "unicode/tblcoll.h"
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#include "unicode/unistr.h"
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#include "unicode/sortkey.h"
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#include "itercoll.h"
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#include "unicode/schriter.h"
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#include "unicode/chariter.h"
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#include "unicode/uchar.h"
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#define ARRAY_LENGTH(array) (sizeof array / sizeof array[0])
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static UErrorCode status = U_ZERO_ERROR;
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CollationIteratorTest::CollationIteratorTest()
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: test1("What subset of all possible test cases?", ""),
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test2("has the highest probability of detecting", "")
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{
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en_us = (RuleBasedCollator *)Collator::createInstance(Locale::getUS(), status);
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}
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CollationIteratorTest::~CollationIteratorTest()
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{
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delete en_us;
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}
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/**
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* Test for CollationElementIterator previous and next for the whole set of
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* unicode characters.
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*/
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void CollationIteratorTest::TestUnicodeChar()
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{
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CollationElementIterator *iter;
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UChar codepoint;
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UnicodeString source;
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for (codepoint = 1; codepoint < 0xFFFE;)
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{
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source.remove();
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while (codepoint % 0xFF != 0)
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{
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if (u_isdefined(codepoint))
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source += codepoint;
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codepoint ++;
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}
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if (u_isdefined(codepoint))
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source += codepoint;
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if (codepoint != 0xFFFF)
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codepoint ++;
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iter = en_us->createCollationElementIterator(source);
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/* A basic test to see if it's working at all */
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backAndForth(*iter);
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delete iter;
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}
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}
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/**
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* Test for CollationElementIterator.previous()
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*
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* @bug 4108758 - Make sure it works with contracting characters
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*
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*/
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void CollationIteratorTest::TestPrevious(/* char* par */)
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{
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UErrorCode status = U_ZERO_ERROR;
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CollationElementIterator *iter = en_us->createCollationElementIterator(test1);
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// A basic test to see if it's working at all
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backAndForth(*iter);
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delete iter;
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// Test with a contracting character sequence
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UnicodeString source;
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RuleBasedCollator *c1 = NULL;
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c1 = new RuleBasedCollator(
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(UnicodeString)"&a,A < b,B < c,C, d,D < z,Z < ch,cH,Ch,CH", status);
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if (c1 == NULL || U_FAILURE(status))
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{
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errln("Couldn't create a RuleBasedCollator with a contracting sequence.");
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delete c1;
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return;
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}
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source = "abchdcba";
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iter = c1->createCollationElementIterator(source);
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backAndForth(*iter);
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delete iter;
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delete c1;
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// Test with an expanding character sequence
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RuleBasedCollator *c2 = NULL;
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c2 = new RuleBasedCollator((UnicodeString)"&a < b < c/abd < d", status);
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if (c2 == NULL || U_FAILURE(status))
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{
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errln("Couldn't create a RuleBasedCollator with an expanding sequence.");
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delete c2;
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return;
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}
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source = "abcd";
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iter = c2->createCollationElementIterator(source);
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backAndForth(*iter);
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delete iter;
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delete c2;
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// Now try both
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RuleBasedCollator *c3 = NULL;
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c3 = new RuleBasedCollator((UnicodeString)"&a < b < c/aba < d < z < ch", status);
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if (c3 == NULL || U_FAILURE(status))
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{
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errln("Couldn't create a RuleBasedCollator with both an expanding and a contracting sequence.");
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delete c3;
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return;
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}
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source = "abcdbchdc";
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iter = c3->createCollationElementIterator(source);
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backAndForth(*iter);
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delete iter;
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delete c3;
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status=U_ZERO_ERROR;
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source= CharsToUnicodeString("\\u0e41\\u0e02\\u0e41\\u0e02\\u0e27abc");
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Collator *c4 = Collator::createInstance(Locale("th", "TH", ""), status);
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if(U_FAILURE(status)){
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errln("Couldn't create a collator");
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}
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iter = ((RuleBasedCollator*)c4)->createCollationElementIterator(source);
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backAndForth(*iter);
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delete iter;
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delete c4;
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source= CharsToUnicodeString("\\u0061\\u30CF\\u3099\\u30FC");
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Collator *c5 = Collator::createInstance(Locale("ja", "JP", ""), status);
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iter = ((RuleBasedCollator*)c5)->createCollationElementIterator(source);
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if(U_FAILURE(status)){
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errln("Couldn't create Japanese collator\n");
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}
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backAndForth(*iter);
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delete iter;
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delete c5;
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}
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/**
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* Test for getOffset() and setOffset()
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*/
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void CollationIteratorTest::TestOffset(/* char* par */)
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{
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CollationElementIterator *iter = en_us->createCollationElementIterator(test1);
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// Run all the way through the iterator, then get the offset
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int32_t orderLength = 0;
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int32_t *orders = getOrders(*iter, orderLength);
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int32_t offset = iter->getOffset();
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if (offset != test1.length())
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{
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UnicodeString msg1("offset at end != length: ");
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UnicodeString msg2(" vs ");
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errln(msg1 + offset + msg2 + test1.length());
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}
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// Now set the offset back to the beginning and see if it works
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CollationElementIterator *pristine = en_us->createCollationElementIterator(test1);
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UErrorCode status = U_ZERO_ERROR;
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iter->setOffset(0, status);
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if (U_FAILURE(status))
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{
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errln("setOffset failed.");
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}
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else
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{
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assertEqual(*iter, *pristine);
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}
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// TODO: try iterating halfway through a messy string.
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delete pristine;
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delete[] orders;
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delete iter;
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}
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/**
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* Test for setText()
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*/
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void CollationIteratorTest::TestSetText(/* char* par */)
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{
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CollationElementIterator *iter1 = en_us->createCollationElementIterator(test1);
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CollationElementIterator *iter2 = en_us->createCollationElementIterator(test2);
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UErrorCode status = U_ZERO_ERROR;
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// Run through the second iterator just to exercise it
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int32_t c = iter2->next(status);
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int32_t i = 0;
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while ( ++i < 10 && c != CollationElementIterator::NULLORDER)
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{
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if (U_FAILURE(status))
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{
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errln("iter2->next() returned an error.");
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delete iter2;
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delete iter1;
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}
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c = iter2->next(status);
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}
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// Now set it to point to the same string as the first iterator
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iter2->setText(test1, status);
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if (U_FAILURE(status))
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{
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errln("call to iter2->setText(test1) failed.");
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}
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else
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{
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assertEqual(*iter1, *iter2);
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}
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iter1->reset();
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//now use the overloaded setText(ChracterIterator&, UErrorCode) function to set the text
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CharacterIterator* chariter = new StringCharacterIterator(test1);
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iter2->setText(*chariter, status);
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if (U_FAILURE(status))
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{
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errln("call to iter2->setText(chariter(test1)) failed.");
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}
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else
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{
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assertEqual(*iter1, *iter2);
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}
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delete chariter;
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delete iter2;
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delete iter1;
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}
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/** @bug 4108762
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* Test for getMaxExpansion()
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*/
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void CollationIteratorTest::TestMaxExpansion(/* char* par */)
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{
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UErrorCode status = U_ZERO_ERROR;
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UnicodeString rule("&a < ab < c/aba < d < z < ch");
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RuleBasedCollator *coll = new RuleBasedCollator(rule, status);
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UChar ch = 0;
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UnicodeString str(ch);
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CollationElementIterator *iter = coll->createCollationElementIterator(str);
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while (ch < 0xFFFF && U_SUCCESS(status)) {
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int count = 1;
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uint32_t order;
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ch ++;
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UnicodeString str(ch);
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iter->setText(str, status);
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order = iter->previous(status);
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/* thai management */
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if (order == 0)
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order = iter->previous(status);
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while (U_SUCCESS(status)
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&& iter->previous(status) != (int32_t)UCOL_NULLORDER)
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{
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count ++;
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}
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if (U_FAILURE(status) && iter->getMaxExpansion(order) < count) {
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errln("Failure at codepoint %d, maximum expansion count < %d\n",
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ch, count);
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}
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}
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delete iter;
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delete coll;
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}
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/*
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* @bug 4157299
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*/
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void CollationIteratorTest::TestClearBuffers(/* char* par */)
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{
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UErrorCode status = U_ZERO_ERROR;
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RuleBasedCollator *c = new RuleBasedCollator((UnicodeString)"&a < b < c & ab = d", status);
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if (c == NULL || U_FAILURE(status))
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{
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errln("Couldn't create a RuleBasedCollator.");
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delete c;
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return;
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}
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UnicodeString source("abcd");
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CollationElementIterator *i = c->createCollationElementIterator(source);
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int32_t e0 = i->next(status); // save the first collation element
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if (U_FAILURE(status))
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{
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errln("call to i->next() failed. err=%s", u_errorName(status));
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}
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else
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{
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i->setOffset(3, status); // go to the expanding character
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if (U_FAILURE(status))
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{
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errln("call to i->setOffset(3) failed. err=%s", u_errorName(status));
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}
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else
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{
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i->next(status); // but only use up half of it
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if (U_FAILURE(status))
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{
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errln("call to i->next() failed. err=%s", u_errorName(status));
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}
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else
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{
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i->setOffset(0, status); // go back to the beginning
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if (U_FAILURE(status))
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{
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errln("call to i->setOffset(0) failed. err=%s", u_errorName(status));
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}
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else
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{
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int32_t e = i->next(status); // and get this one again
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if (U_FAILURE(status))
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{
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errln("call to i->next() failed. err=%s", u_errorName(status));
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}
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else if (e != e0)
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{
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errln("got 0x%X, expected 0x%X", e, e0);
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}
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}
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}
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}
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}
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delete i;
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delete c;
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}
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/**
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* Testing the assignment operator
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*/
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void CollationIteratorTest::TestAssignment()
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{
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UErrorCode status = U_ZERO_ERROR;
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RuleBasedCollator *coll =
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(RuleBasedCollator *)Collator::createInstance(status);
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if (coll == NULL || U_FAILURE(status))
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{
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errln("Couldn't create a default collator.");
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return;
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}
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UnicodeString source("abcd");
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CollationElementIterator *iter1 =
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coll->createCollationElementIterator(source);
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CollationElementIterator iter2 = *iter1;
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if (*iter1 != iter2) {
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errln("Fail collation iterator assignment does not produce the same elements");
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}
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CollationElementIterator iter3(*iter1);
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if (*iter1 != iter3) {
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errln("Fail collation iterator copy constructor does not produce the same elements");
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}
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delete iter1;
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delete coll;
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}
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/**
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* Testing the constructors
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*/
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void CollationIteratorTest::TestConstructors()
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{
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UErrorCode status = U_ZERO_ERROR;
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RuleBasedCollator *coll =
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(RuleBasedCollator *)Collator::createInstance(status);
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if (coll == NULL || U_FAILURE(status))
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{
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errln("Couldn't create a default collator.");
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return;
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}
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// testing protected constructor with character iterator as argument
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StringCharacterIterator chariter(test1);
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CollationElementIterator *iter1 =
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coll->createCollationElementIterator(chariter);
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if (U_FAILURE(status)) {
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errln("Couldn't create collation element iterator with character iterator.");
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return;
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}
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CollationElementIterator *iter2 =
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coll->createCollationElementIterator(test1);
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assertEqual(*iter1, *iter2);
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delete iter1;
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delete iter2;
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delete coll;
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}
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/**
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* Testing the strength order
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*/
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void CollationIteratorTest::TestStrengthOrder()
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{
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int order = 0x0123ABCD;
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UErrorCode status = U_ZERO_ERROR;
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RuleBasedCollator *coll =
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(RuleBasedCollator *)Collator::createInstance(status);
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if (coll == NULL || U_FAILURE(status))
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{
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errln("Couldn't create a default collator.");
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return;
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}
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coll->setStrength(Collator::PRIMARY);
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CollationElementIterator *iter =
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coll->createCollationElementIterator(test1);
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if (iter == NULL) {
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errln("Couldn't create a collation element iterator from default collator");
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return;
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}
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if (iter->strengthOrder(order) != 0x01230000) {
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errln("Strength order for a primary strength collator should be the first 2 bytes");
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return;
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}
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coll->setStrength(Collator::SECONDARY);
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if (iter->strengthOrder(order) != 0x0123AB00) {
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errln("Strength order for a secondary strength collator should be the third byte");
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return;
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}
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coll->setStrength(Collator::TERTIARY);
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if (iter->strengthOrder(order) != order) {
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errln("Strength order for a tertiary strength collator should be the third byte");
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return;
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}
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delete iter;
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delete coll;
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}
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/**
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* Return a string containing all of the collation orders
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* returned by calls to next on the specified iterator
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*/
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UnicodeString &CollationIteratorTest::orderString(CollationElementIterator &iter, UnicodeString &target)
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{
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int32_t order;
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UErrorCode status = U_ZERO_ERROR;
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while ((order = iter.next(status)) != CollationElementIterator::NULLORDER)
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{
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target += "0x";
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appendHex(order, 8, target);
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target += " ";
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}
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return target;
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}
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void CollationIteratorTest::assertEqual(CollationElementIterator &i1, CollationElementIterator &i2)
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{
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int32_t c1, c2, count = 0;
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UErrorCode status = U_ZERO_ERROR;
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do
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{
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c1 = i1.next(status);
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c2 = i2.next(status);
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if (c1 != c2)
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{
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errln(" %d: strength(0x%X) != strength(0x%X)", count, c1, c2);
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break;
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}
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count += 1;
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}
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while (c1 != CollationElementIterator::NULLORDER);
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}
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void CollationIteratorTest::runIndexedTest(int32_t index, UBool exec, const char* &name, char* /*par*/)
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{
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if (exec)
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{
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logln("Collation Iteration Tests: ");
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}
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switch (index)
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{
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case 0: name = "TestPrevious"; if (exec) TestPrevious(/* par */); break;
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case 1: name = "TestOffset"; if (exec) TestOffset(/* par */); break;
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case 2: name = "TestSetText"; if (exec) TestSetText(/* par */); break;
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case 3: name = "TestMaxExpansion"; if (exec) TestMaxExpansion(/* par */); break;
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case 4: name = "TestClearBuffers"; if (exec) TestClearBuffers(/* par */); break;
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case 5: name = "TestUnicodeChar"; if (exec) TestUnicodeChar(/* par */); break;
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case 6: name = "TestAssignment"; if (exec) TestAssignment(/* par */); break;
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case 7: name = "TestConstructors"; if (exec) TestConstructors(/* par */); break;
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case 8: name = "TestStrengthOrder"; if (exec) TestStrengthOrder(/* par */); break;
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default: name = ""; break;
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}
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}
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