static jstring AlphabeticIndex_getBucketLabel(JNIEnv* env, jclass, jlong peer, jint index) {
if (index < 0) {
jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", "Invalid index: %d", index);
return NULL;
}
// Iterate to the nth bucket.
AlphabeticIndex* ai = fromPeer(peer);
UErrorCode status = U_ZERO_ERROR;
ai->resetBucketIterator(status);
if (maybeThrowIcuException(env, "AlphabeticIndex::resetBucketIterator", status)) {
return NULL;
}
for (jint i = 0; i <= index; ++i) {
if (!ai->nextBucket(status)) {
jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException", "Invalid index: %d", index);
return NULL;
}
if (maybeThrowIcuException(env, "AlphabeticIndex::nextBucket", status)) {
return NULL;
}
}
// Return "" for the underflow/inflow/overflow buckets.
if (ai->getBucketLabelType() != U_ALPHAINDEX_NORMAL) {
return env->NewStringUTF("");
}
const UnicodeString& label(ai->getBucketLabel());
return env->NewString(label.getBuffer(), label.length());
}
//
// 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;
// Constructor from a Collator
//
status = U_ZERO_ERROR;
RuleBasedCollator *coll = dynamic_cast<RuleBasedCollator *>(
Collator::createInstance(Locale::getGerman(), status));
TEST_CHECK_STATUS;
TEST_ASSERT(coll != NULL);
index = new AlphabeticIndex(coll, status);
TEST_CHECK_STATUS;
TEST_ASSERT(coll == &index->getCollator());
assertEquals("only the underflow label in an index built from a collator",
1, index->getBucketCount(status));
TEST_CHECK_STATUS;
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;
assertEquals("underflow, A-Z, inflow, 2 Cyrillic, overflow",
31, index->getBucketCount(status));
// 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);
TEST_CHECK_STATUS;
assertEquals("Russian index.getBucketCount()", 32, index->getBucketCount(status));
// Latin-script names should go into the underflow label (0)
// if the Russian collation does not use script reordering,
// but into the overflow label (getBucketCount()-1)
// if Russian sorts Cyrillic first.
int32_t reorderCodes[20];
int32_t expectedLatinIndex = 0;
if (index->getCollator().getReorderCodes(reorderCodes, LENGTHOF(reorderCodes), status) > 0) {
expectedLatinIndex = index->getBucketCount(status) - 1;
}
n = index->getBucketIndex(adam, status);
TEST_CHECK_STATUS;
assertEquals("Russian index.getBucketIndex(adam)", expectedLatinIndex, n);
n = index->getBucketIndex(baker, status);
assertEquals("Russian index.getBucketIndex(baker)", expectedLatinIndex, n);
n = index->getBucketIndex(Cyrillic, status);
assertEquals("Russian index.getBucketIndex(Cyrillic)", 1, n);
n = index->getBucketIndex(zed, status);
assertEquals("Russian index.getBucketIndex(zed)", expectedLatinIndex, n);
delete index;
}
//
// 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;
}