/*
*******************************************************************************
* Copyright (C) 2010-2012, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
* file name: ucharstrietest.cpp
* encoding: US-ASCII
* tab size: 8 (not used)
* indentation:4
*
* created on: 2010nov16
* created by: Markus W. Scherer
*/
#include <string.h>
#include "unicode/utypes.h"
#include "unicode/appendable.h"
#include "unicode/localpointer.h"
#include "unicode/ucharstrie.h"
#include "unicode/ucharstriebuilder.h"
#include "unicode/uniset.h"
#include "unicode/unistr.h"
#include "intltest.h"
#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
struct StringAndValue {
const char *s;
int32_t value;
};
class UCharsTrieTest : public IntlTest {
public:
UCharsTrieTest();
virtual ~UCharsTrieTest();
void runIndexedTest(int32_t index, UBool exec, const char *&name, char *par=NULL);
void TestBuilder();
void TestEmpty();
void Test_a();
void Test_a_ab();
void TestShortestBranch();
void TestBranches();
void TestLongSequence();
void TestLongBranch();
void TestValuesForState();
void TestCompact();
void TestFirstForCodePoint();
void TestNextForCodePoint();
UCharsTrie *buildLargeTrie(int32_t numUniqueFirst);
void TestLargeTrie();
UCharsTrie *buildMonthsTrie(UStringTrieBuildOption buildOption);
void TestHasUniqueValue();
void TestGetNextUChars();
void TestIteratorFromBranch();
void TestIteratorFromLinearMatch();
void TestTruncatingIteratorFromRoot();
void TestTruncatingIteratorFromLinearMatchShort();
void TestTruncatingIteratorFromLinearMatchLong();
void TestIteratorFromUChars();
void checkData(const StringAndValue data[], int32_t dataLength);
void checkData(const StringAndValue data[], int32_t dataLength, UStringTrieBuildOption buildOption);
UCharsTrie *buildTrie(const StringAndValue data[], int32_t dataLength,
UStringTrieBuildOption buildOption);
void checkFirst(UCharsTrie &trie, const StringAndValue data[], int32_t dataLength);
void checkNext(UCharsTrie &trie, const StringAndValue data[], int32_t dataLength);
void checkNextWithState(UCharsTrie &trie, const StringAndValue data[], int32_t dataLength);
void checkNextString(UCharsTrie &trie, const StringAndValue data[], int32_t dataLength);
void checkIterator(UCharsTrie &trie, const StringAndValue data[], int32_t dataLength);
void checkIterator(UCharsTrie::Iterator &iter, const StringAndValue data[], int32_t dataLength);
private:
UCharsTrieBuilder *builder_;
};
extern IntlTest *createUCharsTrieTest() {
return new UCharsTrieTest();
}
UCharsTrieTest::UCharsTrieTest() : builder_(NULL) {
IcuTestErrorCode errorCode(*this, "UCharsTrieTest()");
builder_=new UCharsTrieBuilder(errorCode);
}
UCharsTrieTest::~UCharsTrieTest() {
delete builder_;
}
void UCharsTrieTest::runIndexedTest(int32_t index, UBool exec, const char *&name, char * /*par*/) {
if(exec) {
logln("TestSuite UCharsTrieTest: ");
}
TESTCASE_AUTO_BEGIN;
TESTCASE_AUTO(TestBuilder);
TESTCASE_AUTO(TestEmpty);
TESTCASE_AUTO(Test_a);
TESTCASE_AUTO(Test_a_ab);
TESTCASE_AUTO(TestShortestBranch);
TESTCASE_AUTO(TestBranches);
TESTCASE_AUTO(TestLongSequence);
TESTCASE_AUTO(TestLongBranch);
TESTCASE_AUTO(TestValuesForState);
TESTCASE_AUTO(TestCompact);
TESTCASE_AUTO(TestFirstForCodePoint);
TESTCASE_AUTO(TestNextForCodePoint);
TESTCASE_AUTO(TestLargeTrie);
TESTCASE_AUTO(TestHasUniqueValue);
TESTCASE_AUTO(TestGetNextUChars);
TESTCASE_AUTO(TestIteratorFromBranch);
TESTCASE_AUTO(TestIteratorFromLinearMatch);
TESTCASE_AUTO(TestTruncatingIteratorFromRoot);
TESTCASE_AUTO(TestTruncatingIteratorFromLinearMatchShort);
TESTCASE_AUTO(TestTruncatingIteratorFromLinearMatchLong);
TESTCASE_AUTO(TestIteratorFromUChars);
TESTCASE_AUTO_END;
}
void UCharsTrieTest::TestBuilder() {
IcuTestErrorCode errorCode(*this, "TestBuilder()");
delete builder_->build(USTRINGTRIE_BUILD_FAST, errorCode);
if(errorCode.reset()!=U_INDEX_OUTOFBOUNDS_ERROR) {
errln("UCharsTrieBuilder().build() did not set U_INDEX_OUTOFBOUNDS_ERROR");
return;
}
// TODO: remove .build(...) once add() checks for duplicates.
builder_->add("=", 0, errorCode).add("=", 1, errorCode).build(USTRINGTRIE_BUILD_FAST, errorCode);
if(errorCode.reset()!=U_ILLEGAL_ARGUMENT_ERROR) {
errln("UCharsTrieBuilder.add() did not detect duplicates");
return;
}
}
void UCharsTrieTest::TestEmpty() {
static const StringAndValue data[]={
{ "", 0 }
};
checkData(data, LENGTHOF(data));
}
void UCharsTrieTest::Test_a() {
static const StringAndValue data[]={
{ "a", 1 }
};
checkData(data, LENGTHOF(data));
}
void UCharsTrieTest::Test_a_ab() {
static const StringAndValue data[]={
{ "a", 1 },
{ "ab", 100 }
};
checkData(data, LENGTHOF(data));
}
void UCharsTrieTest::TestShortestBranch() {
static const StringAndValue data[]={
{ "a", 1000 },
{ "b", 2000 }
};
checkData(data, LENGTHOF(data));
}
void UCharsTrieTest::TestBranches() {
static const StringAndValue data[]={
{ "a", 0x10 },
{ "cc", 0x40 },
{ "e", 0x100 },
{ "ggg", 0x400 },
{ "i", 0x1000 },
{ "kkkk", 0x4000 },
{ "n", 0x10000 },
{ "ppppp", 0x40000 },
{ "r", 0x100000 },
{ "sss", 0x200000 },
{ "t", 0x400000 },
{ "uu", 0x800000 },
{ "vv", 0x7fffffff },
{ "zz", (int32_t)0x80000000 }
};
for(int32_t length=2; length<=LENGTHOF(data); ++length) {
infoln("TestBranches length=%d", (int)length);
checkData(data, length);
}
}
void UCharsTrieTest::TestLongSequence() {
static const StringAndValue data[]={
{ "a", -1 },
// sequence of linear-match nodes
{ "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", -2 },
// more than 256 units
{ "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", -3 }
};
checkData(data, LENGTHOF(data));
}
void UCharsTrieTest::TestLongBranch() {
// Split-branch and interesting compact-integer values.
static const StringAndValue data[]={
{ "a", -2 },
{ "b", -1 },
{ "c", 0 },
{ "d2", 1 },
{ "f", 0x3f },
{ "g", 0x40 },
{ "h", 0x41 },
{ "j23", 0x1900 },
{ "j24", 0x19ff },
{ "j25", 0x1a00 },
{ "k2", 0x1a80 },
{ "k3", 0x1aff },
{ "l234567890", 0x1b00 },
{ "l234567890123", 0x1b01 },
{ "nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn", 0x10ffff },
{ "oooooooooooooooooooooooooooooooooooooooooooooooooooooo", 0x110000 },
{ "pppppppppppppppppppppppppppppppppppppppppppppppppppppp", 0x120000 },
{ "r", 0x333333 },
{ "s2345", 0x4444444 },
{ "t234567890", 0x77777777 },
{ "z", (int32_t)0x80000001 }
};
checkData(data, LENGTHOF(data));
}
void UCharsTrieTest::TestValuesForState() {
// Check that saveState() and resetToState() interact properly
// with next() and current().
static const StringAndValue data[]={
{ "a", -1 },
{ "ab", -2 },
{ "abc", -3 },
{ "abcd", -4 },
{ "abcde", -5 },
{ "abcdef", -6 }
};
checkData(data, LENGTHOF(data));
}
void UCharsTrieTest::TestCompact() {
// Duplicate trailing strings and values provide opportunities for compacting.
static const StringAndValue data[]={
{ "+", 0 },
{ "+august", 8 },
{ "+december", 12 },
{ "+july", 7 },
{ "+june", 6 },
{ "+november", 11 },
{ "+october", 10 },
{ "+september", 9 },
{ "-", 0 },
{ "-august", 8 },
{ "-december", 12 },
{ "-july", 7 },
{ "-june", 6 },
{ "-november", 11 },
{ "-october", 10 },
{ "-september", 9 },
// The l+n branch (with its sub-nodes) is a duplicate but will be written
// both times because each time it follows a different linear-match node.
{ "xjuly", 7 },
{ "xjune", 6 }
};
checkData(data, LENGTHOF(data));
}
void UCharsTrieTest::TestFirstForCodePoint() {
static const StringAndValue data[]={
{ "a", 1 },
{ "a\\ud800", 2 },
{ "a\\U00010000", 3 },
{ "\\ud840", 4 },
{ "\\U00020000\\udbff", 5 },
{ "\\U00020000\\U0010ffff", 6 },
{ "\\U00020000\\U0010ffffz", 7 },
{ "\\U00050000xy", 8 },
{ "\\U00050000xyz", 9 }
};
checkData(data, LENGTHOF(data));
}
void UCharsTrieTest::TestNextForCodePoint() {
static const StringAndValue data[]={
{ "\\u4dff\\U00010000\\u9999\\U00020000\\udfff\\U0010ffff", 2000000000 },
{ "\\u4dff\\U00010000\\u9999\\U00020002", 44444 },
{ "\\u4dff\\U000103ff", 99999 }
};
LocalPointer<UCharsTrie> trie(buildTrie(data, LENGTHOF(data), USTRINGTRIE_BUILD_FAST));
if(trie.isNull()) {
return; // buildTrie() reported an error
}
UStringTrieResult result;
if( (result=trie->nextForCodePoint(0x4dff))!=USTRINGTRIE_NO_VALUE || result!=trie->current() ||
(result=trie->nextForCodePoint(0x10000))!=USTRINGTRIE_NO_VALUE || result!=trie->current() ||
(result=trie->nextForCodePoint(0x9999))!=USTRINGTRIE_NO_VALUE || result!=trie->current() ||
(result=trie->nextForCodePoint(0x20000))!=USTRINGTRIE_NO_VALUE || result!=trie->current() ||
(result=trie->nextForCodePoint(0xdfff))!=USTRINGTRIE_NO_VALUE || result!=trie->current() ||
(result=trie->nextForCodePoint(0x10ffff))!=USTRINGTRIE_FINAL_VALUE || result!=trie->current() ||
trie->getValue()!=2000000000
) {
errln("UCharsTrie.nextForCodePoint() fails for %s", data[0].s);
}
if( (result=trie->firstForCodePoint(0x4dff))!=USTRINGTRIE_NO_VALUE || result!=trie->current() ||
(result=trie->nextForCodePoint(0x10000))!=USTRINGTRIE_NO_VALUE || result!=trie->current() ||
(result=trie->nextForCodePoint(0x9999))!=USTRINGTRIE_NO_VALUE || result!=trie->current() ||
(result=trie->nextForCodePoint(0x20002))!=USTRINGTRIE_FINAL_VALUE || result!=trie->current() ||
trie->getValue()!=44444
) {
errln("UCharsTrie.nextForCodePoint() fails for %s", data[1].s);
}
if( (result=trie->reset().nextForCodePoint(0x4dff))!=USTRINGTRIE_NO_VALUE || result!=trie->current() ||
(result=trie->nextForCodePoint(0x10000))!=USTRINGTRIE_NO_VALUE || result!=trie->current() ||
(result=trie->nextForCodePoint(0x9999))!=USTRINGTRIE_NO_VALUE || result!=trie->current() ||
(result=trie->nextForCodePoint(0x20222))!=USTRINGTRIE_NO_MATCH || result!=trie->current() // no match for trail surrogate
) {
errln("UCharsTrie.nextForCodePoint() fails for \\u4dff\\U00010000\\u9999\\U00020222");
}
if( (result=trie->reset().nextForCodePoint(0x4dff))!=USTRINGTRIE_NO_VALUE || result!=trie->current() ||
(result=trie->nextForCodePoint(0x103ff))!=USTRINGTRIE_FINAL_VALUE || result!=trie->current() ||
trie->getValue()!=99999
) {
errln("UCharsTrie.nextForCodePoint() fails for %s", data[2].s);
}
}
// Definitions in the anonymous namespace are invisible outside this file.
namespace {
// Generate (string, value) pairs.
// The first string (before next()) will be empty.
class Generator {
public:
Generator() : value(4711), num(0) {}
void next() {
UChar c;
s.truncate(0);
s.append(c=(UChar)(value>>16));
s.append((UChar)(value>>4));
if(value&1) {
s.append((UChar)value);
}
set.add(c);
value+=((value>>5)&0x7ff)*3+1;
++num;
}
const UnicodeString &getString() const { return s; }
int32_t getValue() const { return value; }
int32_t countUniqueFirstChars() const { return set.size(); }
int32_t getIndex() const { return num; }
private:
UnicodeString s;
UnicodeSet set;
int32_t value;
int32_t num;
};
} // end namespace
UCharsTrie *UCharsTrieTest::buildLargeTrie(int32_t numUniqueFirst) {
IcuTestErrorCode errorCode(*this, "buildLargeTrie()");
Generator gen;
builder_->clear();
while(gen.countUniqueFirstChars()<numUniqueFirst) {
builder_->add(gen.getString(), gen.getValue(), errorCode);
gen.next();
}
infoln("buildLargeTrie(%ld) added %ld strings", (long)numUniqueFirst, (long)gen.getIndex());
UnicodeString trieUChars;
builder_->buildUnicodeString(USTRINGTRIE_BUILD_FAST, trieUChars, errorCode);
logln("serialized trie size: %ld UChars\n", (long)trieUChars.length());
return new UCharsTrie(trieUChars.getBuffer());
}
// Exercise a large branch node.
void UCharsTrieTest::TestLargeTrie() {
LocalPointer<UCharsTrie> trie(buildLargeTrie(1111));
if(trie.isNull()) {
return; // buildTrie() reported an error
}
Generator gen;
while(gen.countUniqueFirstChars()<1111) {
UnicodeString x(gen.getString());
int32_t value=gen.getValue();
if(!x.isEmpty()) {
if(trie->first(x[0])==USTRINGTRIE_NO_MATCH) {
errln("first(first char U+%04X)=USTRINGTRIE_NO_MATCH for string %ld\n",
x[0], (long)gen.getIndex());
break;
}
x.remove(0, 1);
}
UStringTrieResult result=trie->next(x.getBuffer(), x.length());
if(!USTRINGTRIE_HAS_VALUE(result) || result!=trie->current() || value!=trie->getValue()) {
errln("next(%d chars U+%04X U+%04X)!=hasValue or "
"next()!=current() or getValue() wrong "
"for string %ld\n", (int)x.length(), x[0], x[1], (long)gen.getIndex());
break;
}
gen.next();
}
}
enum {
u_a=0x61,
u_b=0x62,
u_c=0x63,
u_j=0x6a,
u_n=0x6e,
u_r=0x72,
u_u=0x75,
u_y=0x79
};
UCharsTrie *UCharsTrieTest::buildMonthsTrie(UStringTrieBuildOption buildOption) {
// All types of nodes leading to the same value,
// for code coverage of recursive functions.
// In particular, we need a lot of branches on some single level
// to exercise a split-branch node.
static const StringAndValue data[]={
{ "august", 8 },
{ "jan", 1 },
{ "jan.", 1 },
{ "jana", 1 },
{ "janbb", 1 },
{ "janc", 1 },
{ "janddd", 1 },
{ "janee", 1 },
{ "janef", 1 },
{ "janf", 1 },
{ "jangg", 1 },
{ "janh", 1 },
{ "janiiii", 1 },
{ "janj", 1 },
{ "jankk", 1 },
{ "jankl", 1 },
{ "jankmm", 1 },
{ "janl", 1 },
{ "janm", 1 },
{ "jannnnnnnnnnnnnnnnnnnnnnnnnnnnn", 1 },
{ "jano", 1 },
{ "janpp", 1 },
{ "janqqq", 1 },
{ "janr", 1 },
{ "januar", 1 },
{ "january", 1 },
{ "july", 7 },
{ "jun", 6 },
{ "jun.", 6 },
{ "june", 6 }
};
return buildTrie(data, LENGTHOF(data), buildOption);
}
void UCharsTrieTest::TestHasUniqueValue() {
LocalPointer<UCharsTrie> trie(buildMonthsTrie(USTRINGTRIE_BUILD_FAST));
if(trie.isNull()) {
return; // buildTrie() reported an error
}
int32_t uniqueValue;
if(trie->hasUniqueValue(uniqueValue)) {
errln("unique value at root");
}
trie->next(u_j);
trie->next(u_a);
trie->next(u_n);
// hasUniqueValue() directly after next()
if(!trie->hasUniqueValue(uniqueValue) || uniqueValue!=1) {
errln("not unique value 1 after \"jan\"");
}
trie->first(u_j);
trie->next(u_u);
if(trie->hasUniqueValue(uniqueValue)) {
errln("unique value after \"ju\"");
}
if(trie->next(u_n)!=USTRINGTRIE_INTERMEDIATE_VALUE || 6!=trie->getValue()) {
errln("not normal value 6 after \"jun\"");
}
// hasUniqueValue() after getValue()
if(!trie->hasUniqueValue(uniqueValue) || uniqueValue!=6) {
errln("not unique value 6 after \"jun\"");
}
// hasUniqueValue() from within a linear-match node
trie->first(u_a);
trie->next(u_u);
if(!trie->hasUniqueValue(uniqueValue) || uniqueValue!=8) {
errln("not unique value 8 after \"au\"");
}
}
void UCharsTrieTest::TestGetNextUChars() {
LocalPointer<UCharsTrie> trie(buildMonthsTrie(USTRINGTRIE_BUILD_SMALL));
if(trie.isNull()) {
return; // buildTrie() reported an error
}
UnicodeString buffer;
UnicodeStringAppendable app(buffer);
int32_t count=trie->getNextUChars(app);
if(count!=2 || buffer.length()!=2 || buffer[0]!=u_a || buffer[1]!=u_j) {
errln("months getNextUChars()!=[aj] at root");
}
trie->next(u_j);
trie->next(u_a);
trie->next(u_n);
// getNextUChars() directly after next()
buffer.remove();
count=trie->getNextUChars(app);
if(count!=20 || buffer!=UNICODE_STRING_SIMPLE(".abcdefghijklmnopqru")) {
errln("months getNextUChars()!=[.abcdefghijklmnopqru] after \"jan\"");
}
// getNextUChars() after getValue()
trie->getValue(); // next() had returned USTRINGTRIE_INTERMEDIATE_VALUE.
buffer.remove();
count=trie->getNextUChars(app);
if(count!=20 || buffer!=UNICODE_STRING_SIMPLE(".abcdefghijklmnopqru")) {
errln("months getNextUChars()!=[.abcdefghijklmnopqru] after \"jan\"+getValue()");
}
// getNextUChars() from a linear-match node
trie->next(u_u);
buffer.remove();
count=trie->getNextUChars(app);
if(count!=1 || buffer.length()!=1 || buffer[0]!=u_a) {
errln("months getNextUChars()!=[a] after \"janu\"");
}
trie->next(u_a);
buffer.remove();
count=trie->getNextUChars(app);
if(count!=1 || buffer.length()!=1 || buffer[0]!=u_r) {
errln("months getNextUChars()!=[r] after \"janua\"");
}
trie->next(u_r);
trie->next(u_y);
// getNextUChars() after a final match
buffer.remove();
count=trie->getNextUChars(app);
if(count!=0 || buffer.length()!=0) {
errln("months getNextUChars()!=[] after \"january\"");
}
}
void UCharsTrieTest::TestIteratorFromBranch() {
LocalPointer<UCharsTrie> trie(buildMonthsTrie(USTRINGTRIE_BUILD_FAST));
if(trie.isNull()) {
return; // buildTrie() reported an error
}
// Go to a branch node.
trie->next(u_j);
trie->next(u_a);
trie->next(u_n);
IcuTestErrorCode errorCode(*this, "TestIteratorFromBranch()");
UCharsTrie::Iterator iter(*trie, 0, errorCode);
if(errorCode.logIfFailureAndReset("UCharsTrie::Iterator(trie) constructor")) {
return;
}
// Expected data: Same as in buildMonthsTrie(), except only the suffixes
// following "jan".
static const StringAndValue data[]={
{ "", 1 },
{ ".", 1 },
{ "a", 1 },
{ "bb", 1 },
{ "c", 1 },
{ "ddd", 1 },
{ "ee", 1 },
{ "ef", 1 },
{ "f", 1 },
{ "gg", 1 },
{ "h", 1 },
{ "iiii", 1 },
{ "j", 1 },
{ "kk", 1 },
{ "kl", 1 },
{ "kmm", 1 },
{ "l", 1 },
{ "m", 1 },
{ "nnnnnnnnnnnnnnnnnnnnnnnnnnnn", 1 },
{ "o", 1 },
{ "pp", 1 },
{ "qqq", 1 },
{ "r", 1 },
{ "uar", 1 },
{ "uary", 1 }
};
checkIterator(iter, data, LENGTHOF(data));
// Reset, and we should get the same result.
logln("after iter.reset()");
checkIterator(iter.reset(), data, LENGTHOF(data));
}
void UCharsTrieTest::TestIteratorFromLinearMatch() {
LocalPointer<UCharsTrie> trie(buildMonthsTrie(USTRINGTRIE_BUILD_SMALL));
if(trie.isNull()) {
return; // buildTrie() reported an error
}
// Go into a linear-match node.
trie->next(u_j);
trie->next(u_a);
trie->next(u_n);
trie->next(u_u);
trie->next(u_a);
IcuTestErrorCode errorCode(*this, "TestIteratorFromLinearMatch()");
UCharsTrie::Iterator iter(*trie, 0, errorCode);
if(errorCode.logIfFailureAndReset("UCharsTrie::Iterator(trie) constructor")) {
return;
}
// Expected data: Same as in buildMonthsTrie(), except only the suffixes
// following "janua".
static const StringAndValue data[]={
{ "r", 1 },
{ "ry", 1 }
};
checkIterator(iter, data, LENGTHOF(data));
// Reset, and we should get the same result.
logln("after iter.reset()");
checkIterator(iter.reset(), data, LENGTHOF(data));
}
void UCharsTrieTest::TestTruncatingIteratorFromRoot() {
LocalPointer<UCharsTrie> trie(buildMonthsTrie(USTRINGTRIE_BUILD_FAST));
if(trie.isNull()) {
return; // buildTrie() reported an error
}
IcuTestErrorCode errorCode(*this, "TestTruncatingIteratorFromRoot()");
UCharsTrie::Iterator iter(*trie, 4, errorCode);
if(errorCode.logIfFailureAndReset("UCharsTrie::Iterator(trie) constructor")) {
return;
}
// Expected data: Same as in buildMonthsTrie(), except only the first 4 characters
// of each string, and no string duplicates from the truncation.
static const StringAndValue data[]={
{ "augu", -1 },
{ "jan", 1 },
{ "jan.", 1 },
{ "jana", 1 },
{ "janb", -1 },
{ "janc", 1 },
{ "jand", -1 },
{ "jane", -1 },
{ "janf", 1 },
{ "jang", -1 },
{ "janh", 1 },
{ "jani", -1 },
{ "janj", 1 },
{ "jank", -1 },
{ "janl", 1 },
{ "janm", 1 },
{ "jann", -1 },
{ "jano", 1 },
{ "janp", -1 },
{ "janq", -1 },
{ "janr", 1 },
{ "janu", -1 },
{ "july", 7 },
{ "jun", 6 },
{ "jun.", 6 },
{ "june", 6 }
};
checkIterator(iter, data, LENGTHOF(data));
// Reset, and we should get the same result.
logln("after iter.reset()");
checkIterator(iter.reset(), data, LENGTHOF(data));
}
void UCharsTrieTest::TestTruncatingIteratorFromLinearMatchShort() {
static const StringAndValue data[]={
{ "abcdef", 10 },
{ "abcdepq", 200 },
{ "abcdeyz", 3000 }
};
LocalPointer<UCharsTrie> trie(buildTrie(data, LENGTHOF(data), USTRINGTRIE_BUILD_FAST));
if(trie.isNull()) {
return; // buildTrie() reported an error
}
// Go into a linear-match node.
trie->next(u_a);
trie->next(u_b);
IcuTestErrorCode errorCode(*this, "TestTruncatingIteratorFromLinearMatchShort()");
// Truncate within the linear-match node.
UCharsTrie::Iterator iter(*trie, 2, errorCode);
if(errorCode.logIfFailureAndReset("UCharsTrie::Iterator(trie) constructor")) {
return;
}
static const StringAndValue expected[]={
{ "cd", -1 }
};
checkIterator(iter, expected, LENGTHOF(expected));
// Reset, and we should get the same result.
logln("after iter.reset()");
checkIterator(iter.reset(), expected, LENGTHOF(expected));
}
void UCharsTrieTest::TestTruncatingIteratorFromLinearMatchLong() {
static const StringAndValue data[]={
{ "abcdef", 10 },
{ "abcdepq", 200 },
{ "abcdeyz", 3000 }
};
LocalPointer<UCharsTrie> trie(buildTrie(data, LENGTHOF(data), USTRINGTRIE_BUILD_FAST));
if(trie.isNull()) {
return; // buildTrie() reported an error
}
// Go into a linear-match node.
trie->next(u_a);
trie->next(u_b);
trie->next(u_c);
IcuTestErrorCode errorCode(*this, "TestTruncatingIteratorFromLinearMatchLong()");
// Truncate after the linear-match node.
UCharsTrie::Iterator iter(*trie, 3, errorCode);
if(errorCode.logIfFailureAndReset("UCharsTrie::Iterator(trie) constructor")) {
return;
}
static const StringAndValue expected[]={
{ "def", 10 },
{ "dep", -1 },
{ "dey", -1 }
};
checkIterator(iter, expected, LENGTHOF(expected));
// Reset, and we should get the same result.
logln("after iter.reset()");
checkIterator(iter.reset(), expected, LENGTHOF(expected));
}
void UCharsTrieTest::TestIteratorFromUChars() {
static const StringAndValue data[]={
{ "mm", 3 },
{ "mmm", 33 },
{ "mmnop", 333 }
};
builder_->clear();
IcuTestErrorCode errorCode(*this, "TestIteratorFromUChars()");
for(int32_t i=0; i<LENGTHOF(data); ++i) {
builder_->add(data[i].s, data[i].value, errorCode);
}
UnicodeString trieUChars;
builder_->buildUnicodeString(USTRINGTRIE_BUILD_FAST, trieUChars, errorCode);
UCharsTrie::Iterator iter(trieUChars.getBuffer(), 0, errorCode);
checkIterator(iter, data, LENGTHOF(data));
}
void UCharsTrieTest::checkData(const StringAndValue data[], int32_t dataLength) {
logln("checkData(dataLength=%d, fast)", (int)dataLength);
checkData(data, dataLength, USTRINGTRIE_BUILD_FAST);
logln("checkData(dataLength=%d, small)", (int)dataLength);
checkData(data, dataLength, USTRINGTRIE_BUILD_SMALL);
}
void UCharsTrieTest::checkData(const StringAndValue data[], int32_t dataLength, UStringTrieBuildOption buildOption) {
LocalPointer<UCharsTrie> trie(buildTrie(data, dataLength, buildOption));
if(trie.isNull()) {
return; // buildTrie() reported an error
}
checkFirst(*trie, data, dataLength);
checkNext(*trie, data, dataLength);
checkNextWithState(*trie, data, dataLength);
checkNextString(*trie, data, dataLength);
checkIterator(*trie, data, dataLength);
}
UCharsTrie *UCharsTrieTest::buildTrie(const StringAndValue data[], int32_t dataLength,
UStringTrieBuildOption buildOption) {
IcuTestErrorCode errorCode(*this, "buildTrie()");
// Add the items to the trie builder in an interesting (not trivial, not random) order.
int32_t index, step;
if(dataLength&1) {
// Odd number of items.
index=dataLength/2;
step=2;
} else if((dataLength%3)!=0) {
// Not a multiple of 3.
index=dataLength/5;
step=3;
} else {
index=dataLength-1;
step=-1;
}
builder_->clear();
for(int32_t i=0; i<dataLength; ++i) {
builder_->add(UnicodeString(data[index].s, -1, US_INV).unescape(),
data[index].value, errorCode);
index=(index+step)%dataLength;
}
UnicodeString trieUChars;
builder_->buildUnicodeString(buildOption, trieUChars, errorCode);
LocalPointer<UCharsTrie> trie(builder_->build(buildOption, errorCode));
if(!errorCode.logIfFailureAndReset("add()/build()")) {
builder_->add("zzz", 999, errorCode);
if(errorCode.reset()!=U_NO_WRITE_PERMISSION) {
errln("builder.build().add(zzz) did not set U_NO_WRITE_PERMISSION");
}
}
logln("serialized trie size: %ld UChars\n", (long)trieUChars.length());
UnicodeString trieUChars2;
builder_->buildUnicodeString(buildOption, trieUChars2, errorCode);
if(trieUChars.getBuffer()==trieUChars2.getBuffer()) {
errln("builder.buildUnicodeString() before & after build() returned same array");
}
if(errorCode.isFailure()) {
return NULL;
}
// Tries from either build() method should be identical but
// UCharsTrie does not implement equals().
// We just return either one.
if((dataLength&1)!=0) {
return trie.orphan();
} else {
return new UCharsTrie(trieUChars2.getBuffer());
}
}
void UCharsTrieTest::checkFirst(UCharsTrie &trie,
const StringAndValue data[], int32_t dataLength) {
for(int32_t i=0; i<dataLength; ++i) {
if(*data[i].s==0) {
continue; // skip empty string
}
UnicodeString expectedString=UnicodeString(data[i].s, -1, US_INV).unescape();
UChar32 c=expectedString[0];
UChar32 nextCp=expectedString.length()>1 ? expectedString[1] : 0;
UStringTrieResult firstResult=trie.first(c);
int32_t firstValue=USTRINGTRIE_HAS_VALUE(firstResult) ? trie.getValue() : -1;
UStringTrieResult nextResult=trie.next(nextCp);
if(firstResult!=trie.reset().next(c) ||
firstResult!=trie.current() ||
firstValue!=(USTRINGTRIE_HAS_VALUE(firstResult) ? trie.getValue() : -1) ||
nextResult!=trie.next(nextCp)
) {
errln("trie.first(U+%04X)!=trie.reset().next(same) for %s",
c, data[i].s);
}
c=expectedString.char32At(0);
int32_t cLength=U16_LENGTH(c);
nextCp=expectedString.length()>cLength ? expectedString.char32At(cLength) : 0;
firstResult=trie.firstForCodePoint(c);
firstValue=USTRINGTRIE_HAS_VALUE(firstResult) ? trie.getValue() : -1;
nextResult=trie.nextForCodePoint(nextCp);
if(firstResult!=trie.reset().nextForCodePoint(c) ||
firstResult!=trie.current() ||
firstValue!=(USTRINGTRIE_HAS_VALUE(firstResult) ? trie.getValue() : -1) ||
nextResult!=trie.nextForCodePoint(nextCp)
) {
errln("trie.firstForCodePoint(U+%04X)!=trie.reset().nextForCodePoint(same) for %s",
c, data[i].s);
}
}
trie.reset();
}
void UCharsTrieTest::checkNext(UCharsTrie &trie,
const StringAndValue data[], int32_t dataLength) {
UCharsTrie::State state;
for(int32_t i=0; i<dataLength; ++i) {
UnicodeString expectedString=UnicodeString(data[i].s, -1, US_INV).unescape();
int32_t stringLength= (i&1) ? -1 : expectedString.length();
UStringTrieResult result;
if( !USTRINGTRIE_HAS_VALUE(
result=trie.next(expectedString.getTerminatedBuffer(), stringLength)) ||
result!=trie.current()
) {
errln("trie does not seem to contain %s", data[i].s);
} else if(trie.getValue()!=data[i].value) {
errln("trie value for %s is %ld=0x%lx instead of expected %ld=0x%lx",
data[i].s,
(long)trie.getValue(), (long)trie.getValue(),
(long)data[i].value, (long)data[i].value);
} else if(result!=trie.current() || trie.getValue()!=data[i].value) {
errln("trie value for %s changes when repeating current()/getValue()", data[i].s);
}
trie.reset();
stringLength=expectedString.length();
result=trie.current();
for(int32_t j=0; j<stringLength; ++j) {
if(!USTRINGTRIE_HAS_NEXT(result)) {
errln("trie.current()!=hasNext before end of %s (at index %d)", data[i].s, j);
break;
}
if(result==USTRINGTRIE_INTERMEDIATE_VALUE) {
trie.getValue();
if(trie.current()!=USTRINGTRIE_INTERMEDIATE_VALUE) {
errln("trie.getValue().current()!=USTRINGTRIE_INTERMEDIATE_VALUE before end of %s (at index %d)", data[i].s, j);
break;
}
}
result=trie.next(expectedString[j]);
if(!USTRINGTRIE_MATCHES(result)) {
errln("trie.next()=USTRINGTRIE_NO_MATCH before end of %s (at index %d)", data[i].s, j);
break;
}
if(result!=trie.current()) {
errln("trie.next()!=following current() before end of %s (at index %d)", data[i].s, j);
break;
}
}
if(!USTRINGTRIE_HAS_VALUE(result)) {
errln("trie.next()!=hasValue at the end of %s", data[i].s);
continue;
}
trie.getValue();
if(result!=trie.current()) {
errln("trie.current() != current()+getValue()+current() after end of %s",
data[i].s);
}
// Compare the final current() with whether next() can actually continue.
trie.saveState(state);
UBool nextContinues=FALSE;
for(int32_t c=0x20; c<0xe000; ++c) {
if(c==0x80) {
c=0xd800; // Check for ASCII and surrogates but not all of the BMP.
}
if(trie.resetToState(state).next(c)) {
nextContinues=TRUE;
break;
}
}
if((result==USTRINGTRIE_INTERMEDIATE_VALUE)!=nextContinues) {
errln("(trie.current()==USTRINGTRIE_INTERMEDIATE_VALUE) contradicts "
"(trie.next(some UChar)!=USTRINGTRIE_NO_MATCH) after end of %s", data[i].s);
}
trie.reset();
}
}
void UCharsTrieTest::checkNextWithState(UCharsTrie &trie,
const StringAndValue data[], int32_t dataLength) {
UCharsTrie::State noState, state;
for(int32_t i=0; i<dataLength; ++i) {
if((i&1)==0) {
// This should have no effect.
trie.resetToState(noState);
}
UnicodeString expectedString=UnicodeString(data[i].s, -1, US_INV).unescape();
int32_t stringLength=expectedString.length();
int32_t partialLength=stringLength/3;
for(int32_t j=0; j<partialLength; ++j) {
if(!USTRINGTRIE_MATCHES(trie.next(expectedString[j]))) {
errln("trie.next()=USTRINGTRIE_NO_MATCH for a prefix of %s", data[i].s);
return;
}
}
trie.saveState(state);
UStringTrieResult resultAtState=trie.current();
UStringTrieResult result;
int32_t valueAtState=-99;
if(USTRINGTRIE_HAS_VALUE(resultAtState)) {
valueAtState=trie.getValue();
}
result=trie.next(0); // mismatch
if(result!=USTRINGTRIE_NO_MATCH || result!=trie.current()) {
errln("trie.next(0) matched after part of %s", data[i].s);
}
if( resultAtState!=trie.resetToState(state).current() ||
(USTRINGTRIE_HAS_VALUE(resultAtState) && valueAtState!=trie.getValue())
) {
errln("trie.next(part of %s) changes current()/getValue() after "
"saveState/next(0)/resetToState",
data[i].s);
} else if(!USTRINGTRIE_HAS_VALUE(
result=trie.next(expectedString.getTerminatedBuffer()+partialLength,
stringLength-partialLength)) ||
result!=trie.current()) {
errln("trie.next(rest of %s) does not seem to contain %s after "
"saveState/next(0)/resetToState",
data[i].s, data[i].s);
} else if(!USTRINGTRIE_HAS_VALUE(
result=trie.resetToState(state).
next(expectedString.getTerminatedBuffer()+partialLength,
stringLength-partialLength)) ||
result!=trie.current()) {
errln("trie does not seem to contain %s after saveState/next(rest)/resetToState",
data[i].s);
} else if(trie.getValue()!=data[i].value) {
errln("trie value for %s is %ld=0x%lx instead of expected %ld=0x%lx",
data[i].s,
(long)trie.getValue(), (long)trie.getValue(),
(long)data[i].value, (long)data[i].value);
}
trie.reset();
}
}
// next(string) is also tested in other functions,
// but here we try to go partway through the string, and then beyond it.
void UCharsTrieTest::checkNextString(UCharsTrie &trie,
const StringAndValue data[], int32_t dataLength) {
for(int32_t i=0; i<dataLength; ++i) {
UnicodeString expectedString=UnicodeString(data[i].s, -1, US_INV).unescape();
int32_t stringLength=expectedString.length();
if(!trie.next(expectedString.getTerminatedBuffer(), stringLength/2)) {
errln("trie.next(up to middle of string)=USTRINGTRIE_NO_MATCH for %s", data[i].s);
continue;
}
// Test that we stop properly at the end of the string.
if(trie.next(expectedString.getTerminatedBuffer()+stringLength/2,
stringLength+1-stringLength/2)) {
errln("trie.next(string+NUL)!=USTRINGTRIE_NO_MATCH for %s", data[i].s);
}
trie.reset();
}
}
void UCharsTrieTest::checkIterator(UCharsTrie &trie,
const StringAndValue data[], int32_t dataLength) {
IcuTestErrorCode errorCode(*this, "checkIterator()");
UCharsTrie::Iterator iter(trie, 0, errorCode);
if(errorCode.logIfFailureAndReset("UCharsTrie::Iterator(trieUChars) constructor")) {
return;
}
checkIterator(iter, data, dataLength);
}
void UCharsTrieTest::checkIterator(UCharsTrie::Iterator &iter,
const StringAndValue data[], int32_t dataLength) {
IcuTestErrorCode errorCode(*this, "checkIterator()");
for(int32_t i=0; i<dataLength; ++i) {
if(!iter.hasNext()) {
errln("trie iterator hasNext()=FALSE for item %d: %s", (int)i, data[i].s);
break;
}
UBool hasNext=iter.next(errorCode);
if(errorCode.logIfFailureAndReset("trie iterator next() for item %d: %s", (int)i, data[i].s)) {
break;
}
if(!hasNext) {
errln("trie iterator next()=FALSE for item %d: %s", (int)i, data[i].s);
break;
}
UnicodeString expectedString=UnicodeString(data[i].s, -1, US_INV).unescape();
if(iter.getString()!=expectedString) {
char buffer[1000];
UnicodeString invString(prettify(iter.getString()));
invString.extract(0, invString.length(), buffer, LENGTHOF(buffer), US_INV);
errln("trie iterator next().getString()=%s but expected %s for item %d",
buffer, data[i].s, (int)i);
}
if(iter.getValue()!=data[i].value) {
errln("trie iterator next().getValue()=%ld=0x%lx but expected %ld=0x%lx for item %d: %s",
(long)iter.getValue(), (long)iter.getValue(),
(long)data[i].value, (long)data[i].value,
(int)i, data[i].s);
}
}
if(iter.hasNext()) {
errln("trie iterator hasNext()=TRUE after all items");
}
UBool hasNext=iter.next(errorCode);
errorCode.logIfFailureAndReset("trie iterator next() after all items");
if(hasNext) {
errln("trie iterator next()=TRUE after all items");
}
}