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[apple/icu.git] / icuSources / test / intltest / alphaindextst.cpp
diff --git a/icuSources/test/intltest/alphaindextst.cpp b/icuSources/test/intltest/alphaindextst.cpp
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+/********************************************************************
+ * COPYRIGHT:
+ * Copyright (c) 2012, International Business Machines Corporation and
+ * others. All Rights Reserved.
+ ********************************************************************/
+//
+//   file:  alphaindex.cpp
+//          Alphabetic Index Tests.
+//
+#include "intltest.h"
+#include "alphaindextst.h"
+
+#include "unicode/alphaindex.h"
+#include "unicode/coll.h"
+#include "unicode/tblcoll.h"
+#include "unicode/uniset.h"
+
+#if !UCONFIG_NO_COLLATION && !UCONFIG_NO_NORMALIZATION
+
+// #include <string>
+// #include <iostream>
+
+AlphabeticIndexTest::AlphabeticIndexTest() {
+}
+
+AlphabeticIndexTest::~AlphabeticIndexTest() {
+}
+
+void AlphabeticIndexTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
+{
+    if (exec) logln("TestSuite AlphabeticIndex: ");
+    switch (index) {
+
+        case 0: name = "APITest";
+            if (exec) APITest();
+            break;
+
+        case 1: name = "ManyLocales";
+            if (exec) ManyLocalesTest();
+            break;
+
+        case 2: name = "HackPinyinTest";
+            if (exec) HackPinyinTest();
+            break;
+
+        case 3: name = "TestBug9009";
+            if (exec) TestBug9009();
+            break;
+
+        default: name = "";
+            break; //needed to end loop
+    }
+}
+
+#define TEST_CHECK_STATUS {if (U_FAILURE(status)) {dataerrln("%s:%d: Test failure.  status=%s", \
+                                                              __FILE__, __LINE__, u_errorName(status)); return;}}
+
+#define TEST_ASSERT(expr) {if ((expr)==FALSE) {errln("%s:%d: Test failure \n", __FILE__, __LINE__);};}
+
+//
+//  APITest.   Invoke every function at least once, and check that it does something.
+//             Does not attempt to check complete functionality.
+//
+void AlphabeticIndexTest::APITest() {
+    //
+    //  Simple constructor and destructor,  getBucketCount()
+    //
+    UErrorCode status = U_ZERO_ERROR;
+    int32_t lc = 0;
+    int32_t i  = 0;
+    AlphabeticIndex *index = new AlphabeticIndex(Locale::getEnglish(), status);
+    TEST_CHECK_STATUS;
+    lc = index->getBucketCount(status);
+    TEST_CHECK_STATUS;
+    TEST_ASSERT(28 == lc);    // 26 letters plus two under/overflow labels.
+    //printf("getBucketCount() == %d\n", lc);
+    delete index;
+
+    // addLabels()
+
+    status = U_ZERO_ERROR;
+    index = new AlphabeticIndex(Locale::getEnglish(), status);
+    TEST_CHECK_STATUS;
+    UnicodeSet additions;
+    additions.add((UChar32)0x410).add((UChar32)0x415);   // A couple of Cyrillic letters
+    index->addLabels(additions, status);
+    TEST_CHECK_STATUS;
+    lc = index->getBucketCount(status);
+    TEST_CHECK_STATUS;
+    // TODO:  should get 31.  Java also gives 30.  Needs fixing
+    TEST_ASSERT(30 == lc);    // 26 Latin letters plus
+    // TEST_ASSERT(31 == lc);    // 26 Latin letters plus
+                              //  2 Cyrillic letters plus
+                              //  1 inflow label plus
+                              //  two under/overflow labels.
+    // std::cout << lc << std::endl;
+    delete index;
+
+
+    // addLabels(Locale)
+
+    status = U_ZERO_ERROR;
+    index = new AlphabeticIndex(Locale::getEnglish(), status);
+    TEST_CHECK_STATUS;
+    AlphabeticIndex &aip = index->addLabels(Locale::getJapanese(), status);
+    TEST_ASSERT(&aip == index);
+    TEST_CHECK_STATUS;
+    lc = index->getBucketCount(status);
+    TEST_CHECK_STATUS;
+    TEST_ASSERT(35 < lc);  // Japanese should add a bunch.  Don't rely on the exact value.
+    delete index;
+
+    // GetCollator(),  Get under/in/over flow labels
+
+    status = U_ZERO_ERROR;
+    index = new AlphabeticIndex(Locale::getGerman(), status);
+    TEST_CHECK_STATUS;
+    Collator *germanCol = Collator::createInstance(Locale::getGerman(), status);
+    TEST_CHECK_STATUS;
+    const RuleBasedCollator &indexCol = index->getCollator();
+    TEST_ASSERT(*germanCol == indexCol);
+    delete germanCol;
+
+    UnicodeString ELLIPSIS;  ELLIPSIS.append((UChar32)0x2026);
+    UnicodeString s = index->getUnderflowLabel();
+    TEST_ASSERT(ELLIPSIS == s);
+    s = index->getOverflowLabel();
+    TEST_ASSERT(ELLIPSIS == s);
+    s = index->getInflowLabel();
+    TEST_ASSERT(ELLIPSIS == s);
+    index->setOverflowLabel(UNICODE_STRING_SIMPLE("O"), status);
+    index->setUnderflowLabel(UNICODE_STRING_SIMPLE("U"), status).setInflowLabel(UNICODE_STRING_SIMPLE("I"), status);
+    s = index->getUnderflowLabel();
+    TEST_ASSERT(UNICODE_STRING_SIMPLE("U") == s);
+    s = index->getOverflowLabel();
+    TEST_ASSERT(UNICODE_STRING_SIMPLE("O") == s);
+    s = index->getInflowLabel();
+    TEST_ASSERT(UNICODE_STRING_SIMPLE("I") == s);
+
+
+
+
+    delete index;
+
+
+
+    const UnicodeString adam = UNICODE_STRING_SIMPLE("Adam");
+    const UnicodeString baker = UNICODE_STRING_SIMPLE("Baker");
+    const UnicodeString charlie = UNICODE_STRING_SIMPLE("Charlie");
+    const UnicodeString chad = UNICODE_STRING_SIMPLE("Chad");
+    const UnicodeString zed  = UNICODE_STRING_SIMPLE("Zed");
+    const UnicodeString Cyrillic = UNICODE_STRING_SIMPLE("\\u0410\\u0443\\u0435").unescape();
+
+    // addRecord(), verify that it comes back out.
+    //
+    status = U_ZERO_ERROR;
+    index = new AlphabeticIndex(Locale::getEnglish(), status);
+    TEST_CHECK_STATUS;
+    index->addRecord(UnicodeString("Adam"), this, status);
+    UBool   b;
+    TEST_CHECK_STATUS;
+    index->resetBucketIterator(status);
+    TEST_CHECK_STATUS;
+    index->nextBucket(status);  // Move to underflow label
+    index->nextBucket(status);  // Move to "A"
+    TEST_CHECK_STATUS;
+    const UnicodeString &label2 = index->getBucketLabel();
+    UnicodeString A_STR = UNICODE_STRING_SIMPLE("A");
+    TEST_ASSERT(A_STR == label2);
+
+    b = index->nextRecord(status);
+    TEST_CHECK_STATUS;
+    TEST_ASSERT(b);
+    const UnicodeString &itemName = index->getRecordName();
+    TEST_ASSERT(adam == itemName);
+
+    const void *itemContext = index->getRecordData();
+    TEST_ASSERT(itemContext == this);
+
+    delete index;
+
+    // clearRecords, addRecord(), Iteration
+
+    status = U_ZERO_ERROR;
+    index = new AlphabeticIndex(Locale::getEnglish(), status);
+    TEST_CHECK_STATUS;
+    while (index->nextBucket(status)) {
+        TEST_CHECK_STATUS;
+        while (index->nextRecord(status)) {
+            TEST_CHECK_STATUS;
+            TEST_ASSERT(FALSE);   // No items have been added.
+        }
+        TEST_CHECK_STATUS;
+    }
+
+    index->addRecord(adam, NULL, status);
+    index->addRecord(baker, NULL, status);
+    index->addRecord(charlie, NULL, status);
+    index->addRecord(chad, NULL, status);
+    TEST_CHECK_STATUS;
+    int itemCount = 0;
+    index->resetBucketIterator(status);
+    while (index->nextBucket(status)) {
+        TEST_CHECK_STATUS;
+        while (index->nextRecord(status)) {
+            TEST_CHECK_STATUS;
+            ++itemCount;
+        }
+    }
+    TEST_CHECK_STATUS;
+    TEST_ASSERT(itemCount == 4);
+
+    TEST_ASSERT(index->nextBucket(status) == FALSE);
+    index->resetBucketIterator(status);
+    TEST_CHECK_STATUS;
+    TEST_ASSERT(index->nextBucket(status) == TRUE);
+
+    index->clearRecords(status);
+    TEST_CHECK_STATUS;
+    index->resetBucketIterator(status);
+    while (index->nextBucket(status)) {
+        TEST_CHECK_STATUS;
+        while (index->nextRecord(status)) {
+            TEST_ASSERT(FALSE);   // No items have been added.
+        }
+    }
+    TEST_CHECK_STATUS;
+    delete index;
+
+    // getBucketLabel(), getBucketType()
+
+    status = U_ZERO_ERROR;
+    index = new AlphabeticIndex(Locale::getEnglish(), status);
+    TEST_CHECK_STATUS;
+    index->setUnderflowLabel(adam, status).setOverflowLabel(charlie, status);
+    TEST_CHECK_STATUS;
+    for (i=0; index->nextBucket(status); i++) {
+        TEST_CHECK_STATUS;
+        UnicodeString label = index->getBucketLabel();
+        UAlphabeticIndexLabelType type = index->getBucketLabelType();
+        if (i == 0) {
+            TEST_ASSERT(type == U_ALPHAINDEX_UNDERFLOW);
+            TEST_ASSERT(label == adam);
+        } else if (i <= 26) {
+            // Labels A - Z for English locale
+            TEST_ASSERT(type == U_ALPHAINDEX_NORMAL);
+            UnicodeString expectedLabel((UChar)(0x40 + i));
+            TEST_ASSERT(expectedLabel == label);
+        } else if (i == 27) {
+            TEST_ASSERT(type == U_ALPHAINDEX_OVERFLOW);
+            TEST_ASSERT(label == charlie);
+        } else {
+            TEST_ASSERT(FALSE);
+        }
+    }
+    TEST_ASSERT(i==28);
+    delete index;
+
+    // getBucketIndex()
+
+    status = U_ZERO_ERROR;
+    index = new AlphabeticIndex(Locale::getEnglish(), status);
+    TEST_CHECK_STATUS;
+    int32_t n = index->getBucketIndex(adam, status);
+    TEST_CHECK_STATUS;
+    TEST_ASSERT(n == 1);    /*  Label #0 is underflow, 1 is A, etc. */
+    n = index->getBucketIndex(baker, status);
+    TEST_ASSERT(n == 2);
+    n = index->getBucketIndex(Cyrillic, status);
+    TEST_ASSERT(n == 27);   // Overflow label
+    n = index->getBucketIndex(zed, status);
+    TEST_ASSERT(n == 26);
+
+    for (i=0; index->nextBucket(status); i++) {
+        n = index->getBucketIndex();
+        TEST_ASSERT(n == i);
+        UnicodeString label = index->getBucketLabel();
+        TEST_ASSERT(n == i);
+    }
+    TEST_ASSERT(i == 28);
+
+    delete index;
+    index = new AlphabeticIndex(Locale::createFromName("ru"), status);
+        //Locale loc = Locale::createFromName(localeName);
+    TEST_CHECK_STATUS;
+    n = index->getBucketIndex(adam, status);
+    TEST_CHECK_STATUS;
+    TEST_ASSERT(n == 0);    //  Label #0 is underflow
+    n = index->getBucketIndex(baker, status);
+    TEST_ASSERT(n == 0);
+    n = index->getBucketIndex(Cyrillic, status);
+    TEST_ASSERT(n == 1);   // Overflow label
+    n = index->getBucketIndex(zed, status);
+    TEST_ASSERT(n == 0);
+
+    delete index;
+
+}
+
+
+static const char * KEY_LOCALES[] = {
+            "en", "es", "de", "fr", "ja", "it", "tr", "pt", "zh", "nl",
+            "pl", "ar", "ru", "zh_Hant", "ko", "th", "sv", "fi", "da",
+            "he", "nb", "el", "hr", "bg", "sk", "lt", "vi", "lv", "sr",
+            "pt_PT", "ro", "hu", "cs", "id", "sl", "fil", "fa", "uk",
+            "ca", "hi", "et", "eu", "is", "sw", "ms", "bn", "am", "ta",
+            "te", "mr", "ur", "ml", "kn", "gu", "or", ""};
+
+
+void AlphabeticIndexTest::ManyLocalesTest() {
+    UErrorCode status = U_ZERO_ERROR;
+    int32_t  lc = 0;
+    AlphabeticIndex *index = NULL;
+
+    for (int i=0; ; ++i) {
+        status = U_ZERO_ERROR;
+        const char *localeName = KEY_LOCALES[i];
+        if (localeName[0] == 0) {
+            break;
+        }
+        // std::cout <<  localeName << "  ";
+        Locale loc = Locale::createFromName(localeName);
+        index = new AlphabeticIndex(loc, status);
+        TEST_CHECK_STATUS;
+        lc = index->getBucketCount(status);
+        TEST_CHECK_STATUS;
+        // std::cout << "getBucketCount() == " << lc << std::endl;
+
+        while (index->nextBucket(status)) {
+            TEST_CHECK_STATUS;
+            const UnicodeString &label = index->getBucketLabel();
+            TEST_ASSERT(label.length()>0);
+            // std::string ss;
+            // std::cout << ":" << label.toUTF8String(ss);
+        }
+        // std::cout << ":" << std::endl;
+
+
+        delete index;
+    }
+}
+
+
+// Test data for Pinyin based indexes.
+//  The Chinese characters should be distributed under latin labels in
+//  an index.
+
+static const char *pinyinTestData[] = { 
+        "\\u0101", "\\u5416", "\\u58ba", //
+        "b", "\\u516b", "\\u62d4", "\\u8500", //
+        "c", "\\u5693", "\\u7938", "\\u9e7e", //
+        "d", "\\u5491", "\\u8fcf", "\\u964a", //
+        "\\u0113","\\u59b8", "\\u92e8", "\\u834b", //
+        "f", "\\u53d1", "\\u9197", "\\u99a5", //
+        "g", "\\u7324", "\\u91d3", "\\u8142", //
+        "h", "\\u598e", "\\u927f", "\\u593b", //
+        "j", "\\u4e0c", "\\u6785", "\\u9d58", //
+        "k", "\\u5494", "\\u958b", "\\u7a52", //
+        "l", "\\u5783", "\\u62c9", "\\u9ba5", //
+        "m", "\\u5638", "\\u9ebb", "\\u65c0", //
+        "n", "\\u62ff", "\\u80ad", "\\u685b", //
+        "\\u014D", "\\u5662", "\\u6bee", "\\u8bb4", //
+        "p", "\\u5991", "\\u8019", "\\u8c31", //
+        "q", "\\u4e03", "\\u6053", "\\u7f56", //
+        "r", "\\u5465", "\\u72aa", "\\u6e03", //
+        "s", "\\u4ee8", "\\u9491", "\\u93c1", //
+        "t", "\\u4ed6", "\\u9248", "\\u67dd", //
+        "w", "\\u5c72", "\\u5558", "\\u5a7a", //
+        "x", "\\u5915", "\\u5438", "\\u6bbe", //
+        "y", "\\u4e2b", "\\u82bd", "\\u8574", //
+        "z", "\\u5e00", "\\u707d", "\\u5c0a",
+        NULL
+    };
+
+void AlphabeticIndexTest::HackPinyinTest() {
+    UErrorCode status = U_ZERO_ERROR;
+    AlphabeticIndex aindex(Locale::createFromName("zh"), status);
+    TEST_CHECK_STATUS; 
+
+    UnicodeString names[sizeof(pinyinTestData) / sizeof(pinyinTestData[0])];
+    int32_t  nameCount;
+    for (nameCount=0; pinyinTestData[nameCount] != NULL; nameCount++) {
+        names[nameCount] = UnicodeString(pinyinTestData[nameCount], -1, UnicodeString::kInvariant).unescape();
+        aindex.addRecord(names[nameCount], &names[nameCount], status);
+        TEST_CHECK_STATUS; 
+        if (U_FAILURE(status)) {
+            return;
+        }
+    }
+    TEST_ASSERT(nameCount == aindex.getRecordCount(status));
+    
+    // Weak checking:  make sure that none of the Chinese names landed in the overflow bucket
+    //   of the index, and that the names are distributed among several buckets.
+    //   (Exact expected data would be subject to change with evolution of the collation rules.)
+
+    int32_t bucketCount = 0;
+    int32_t filledBucketCount = 0;
+    while (aindex.nextBucket(status)) {
+        bucketCount++;
+        UnicodeString label = aindex.getBucketLabel();
+        // std::string s;
+        // std::cout << label.toUTF8String(s) << ":  ";
+
+        UBool  bucketHasContents = FALSE;
+        while (aindex.nextRecord(status)) {
+            bucketHasContents = TRUE;
+            UnicodeString name = aindex.getRecordName();
+            if (aindex.getBucketLabelType() != U_ALPHAINDEX_NORMAL) {
+                errln("File %s, Line %d, Name \"\\u%x\" is in an under or overflow bucket.",
+                    __FILE__, __LINE__, name.char32At(0));
+            }
+            // s.clear();
+            // std::cout << aindex.getRecordName().toUTF8String(s) << " ";
+        }
+        if (bucketHasContents) {
+            filledBucketCount++;
+        }
+        // std::cout << std::endl;
+    }
+    TEST_ASSERT(bucketCount > 25);
+    TEST_ASSERT(filledBucketCount > 15);
+}
+
+
+void AlphabeticIndexTest::TestBug9009() {
+    UErrorCode status = U_ZERO_ERROR;
+    Locale loc("root");
+    AlphabeticIndex aindex(loc, status);
+    TEST_CHECK_STATUS; 
+    aindex.nextBucket(status);  // Crash here before bug was fixed.
+    TEST_CHECK_STATUS; 
+}
+    
+
+#endif