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scuffed-code/icu4c/source/test/intltest/plurults.cpp
Andy Heninger 242e02c388 ICU-12764 icu4c utf-8 source files, update Copyright notices. 
X-SVN-Rev: 39583
2017-01-20 00:20:31 +00:00

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2007-2014, International Business Machines Corporation and
* others. All Rights Reserved.
********************************************************************************
* File PLURRULTS.cpp
*
********************************************************************************
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include "unicode/localpointer.h"
#include "unicode/plurrule.h"
#include "unicode/stringpiece.h"
#include "cmemory.h"
#include "digitlst.h"
#include "plurrule_impl.h"
#include "plurults.h"
#include "uhash.h"
void setupResult(const int32_t testSource[], char result[], int32_t* max);
UBool checkEqual(const PluralRules &test, char *result, int32_t max);
UBool testEquality(const PluralRules &test);
// This is an API test, not a unit test. It doesn't test very many cases, and doesn't
// try to test the full functionality. It just calls each function in the class and
// verifies that it works on a basic level.
void PluralRulesTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
{
if (exec) logln("TestSuite PluralRulesAPI");
TESTCASE_AUTO_BEGIN;
TESTCASE_AUTO(testAPI);
// TESTCASE_AUTO(testGetUniqueKeywordValue);
TESTCASE_AUTO(testGetSamples);
TESTCASE_AUTO(testWithin);
TESTCASE_AUTO(testGetAllKeywordValues);
TESTCASE_AUTO(testOrdinal);
TESTCASE_AUTO(testSelect);
TESTCASE_AUTO(testAvailbleLocales);
TESTCASE_AUTO(testParseErrors);
TESTCASE_AUTO(testFixedDecimal);
TESTCASE_AUTO_END;
}
// Quick and dirty class for putting UnicodeStrings in char * messages.
// TODO: something like this should be generally available.
class US {
private:
char *buf;
public:
US(const UnicodeString &us) {
int32_t bufLen = us.extract((int32_t)0, us.length(), (char *)NULL, (uint32_t)0) + 1;
buf = (char *)uprv_malloc(bufLen);
us.extract(0, us.length(), buf, bufLen); };
const char *cstr() {return buf;};
~US() { uprv_free(buf);};
};
#define PLURAL_TEST_NUM 18
/**
* Test various generic API methods of PluralRules for API coverage.
*/
void PluralRulesTest::testAPI(/*char *par*/)
{
UnicodeString pluralTestData[PLURAL_TEST_NUM] = {
UNICODE_STRING_SIMPLE("a: n is 1"),
UNICODE_STRING_SIMPLE("a: n mod 10 is 2"),
UNICODE_STRING_SIMPLE("a: n is not 1"),
UNICODE_STRING_SIMPLE("a: n mod 3 is not 1"),
UNICODE_STRING_SIMPLE("a: n in 2..5"),
UNICODE_STRING_SIMPLE("a: n within 2..5"),
UNICODE_STRING_SIMPLE("a: n not in 2..5"),
UNICODE_STRING_SIMPLE("a: n not within 2..5"),
UNICODE_STRING_SIMPLE("a: n mod 10 in 2..5"),
UNICODE_STRING_SIMPLE("a: n mod 10 within 2..5"),
UNICODE_STRING_SIMPLE("a: n mod 10 is 2 and n is not 12"),
UNICODE_STRING_SIMPLE("a: n mod 10 in 2..3 or n mod 10 is 5"),
UNICODE_STRING_SIMPLE("a: n mod 10 within 2..3 or n mod 10 is 5"),
UNICODE_STRING_SIMPLE("a: n is 1 or n is 4 or n is 23"),
UNICODE_STRING_SIMPLE("a: n mod 2 is 1 and n is not 3 and n in 1..11"),
UNICODE_STRING_SIMPLE("a: n mod 2 is 1 and n is not 3 and n within 1..11"),
UNICODE_STRING_SIMPLE("a: n mod 2 is 1 or n mod 5 is 1 and n is not 6"),
"",
};
static const int32_t pluralTestResult[PLURAL_TEST_NUM][30] = {
{1, 0},
{2,12,22, 0},
{0,2,3,4,5,0},
{0,2,3,5,6,8,9,0},
{2,3,4,5,0},
{2,3,4,5,0},
{0,1,6,7,8, 0},
{0,1,6,7,8, 0},
{2,3,4,5,12,13,14,15,22,23,24,25,0},
{2,3,4,5,12,13,14,15,22,23,24,25,0},
{2,22,32,42,0},
{2,3,5,12,13,15,22,23,25,0},
{2,3,5,12,13,15,22,23,25,0},
{1,4,23,0},
{1,5,7,9,11,0},
{1,5,7,9,11,0},
{1,3,5,7,9,11,13,15,16,0},
};
UErrorCode status = U_ZERO_ERROR;
// ======= Test constructors
logln("Testing PluralRules constructors");
logln("\n start default locale test case ..\n");
PluralRules defRule(status);
LocalPointer<PluralRules> test(new PluralRules(status), status);
if(U_FAILURE(status)) {
dataerrln("ERROR: Could not create PluralRules (default) - exitting");
return;
}
LocalPointer<PluralRules> newEnPlural(test->forLocale(Locale::getEnglish(), status), status);
if(U_FAILURE(status)) {
dataerrln("ERROR: Could not create PluralRules (English) - exitting");
return;
}
// ======= Test clone, assignment operator && == operator.
LocalPointer<PluralRules> dupRule(defRule.clone());
if (dupRule==NULL) {
errln("ERROR: clone plural rules test failed!");
return;
} else {
if ( *dupRule != defRule ) {
errln("ERROR: clone plural rules test failed!");
}
}
*dupRule = *newEnPlural;
if (dupRule!=NULL) {
if ( *dupRule != *newEnPlural ) {
errln("ERROR: clone plural rules test failed!");
}
}
// ======= Test empty plural rules
logln("Testing Simple PluralRules");
LocalPointer<PluralRules> empRule(test->createRules(UNICODE_STRING_SIMPLE("a:n"), status));
UnicodeString key;
for (int32_t i=0; i<10; ++i) {
key = empRule->select(i);
if ( key.charAt(0)!= 0x61 ) { // 'a'
errln("ERROR: empty plural rules test failed! - exitting");
}
}
// ======= Test simple plural rules
logln("Testing Simple PluralRules");
char result[100];
int32_t max;
for (int32_t i=0; i<PLURAL_TEST_NUM-1; ++i) {
LocalPointer<PluralRules> newRules(test->createRules(pluralTestData[i], status));
setupResult(pluralTestResult[i], result, &max);
if ( !checkEqual(*newRules, result, max) ) {
errln("ERROR: simple plural rules failed! - exitting");
return;
}
}
// ======= Test complex plural rules
logln("Testing Complex PluralRules");
// TODO: the complex test data is hard coded. It's better to implement
// a parser to parse the test data.
UnicodeString complexRule = UNICODE_STRING_SIMPLE("a: n in 2..5; b: n in 5..8; c: n mod 2 is 1");
UnicodeString complexRule2 = UNICODE_STRING_SIMPLE("a: n within 2..5; b: n within 5..8; c: n mod 2 is 1");
char cRuleResult[] =
{
0x6F, // 'o'
0x63, // 'c'
0x61, // 'a'
0x61, // 'a'
0x61, // 'a'
0x61, // 'a'
0x62, // 'b'
0x62, // 'b'
0x62, // 'b'
0x63, // 'c'
0x6F, // 'o'
0x63 // 'c'
};
LocalPointer<PluralRules> newRules(test->createRules(complexRule, status));
if ( !checkEqual(*newRules, cRuleResult, 12) ) {
errln("ERROR: complex plural rules failed! - exitting");
return;
}
newRules.adoptInstead(test->createRules(complexRule2, status));
if ( !checkEqual(*newRules, cRuleResult, 12) ) {
errln("ERROR: complex plural rules failed! - exitting");
return;
}
// ======= Test decimal fractions plural rules
UnicodeString decimalRule= UNICODE_STRING_SIMPLE("a: n not in 0..100;");
UnicodeString KEYWORD_A = UNICODE_STRING_SIMPLE("a");
status = U_ZERO_ERROR;
newRules.adoptInstead(test->createRules(decimalRule, status));
if (U_FAILURE(status)) {
dataerrln("ERROR: Could not create PluralRules for testing fractions - exitting");
return;
}
double fData[] = {-101, -100, -1, -0.0, 0, 0.1, 1, 1.999, 2.0, 100, 100.001 };
UBool isKeywordA[] = {TRUE, FALSE, FALSE, FALSE, FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, TRUE };
for (int32_t i=0; i<UPRV_LENGTHOF(fData); i++) {
if ((newRules->select(fData[i])== KEYWORD_A) != isKeywordA[i]) {
errln("File %s, Line %d, ERROR: plural rules for decimal fractions test failed!\n"
" number = %g, expected %s", __FILE__, __LINE__, fData[i], isKeywordA[i]?"TRUE":"FALSE");
}
}
// ======= Test Equality
logln("Testing Equality of PluralRules");
if ( !testEquality(*test) ) {
errln("ERROR: complex plural rules failed! - exitting");
return;
}
// ======= Test getStaticClassID()
logln("Testing getStaticClassID()");
if(test->getDynamicClassID() != PluralRules::getStaticClassID()) {
errln("ERROR: getDynamicClassID() didn't return the expected value");
}
// ====== Test fallback to parent locale
LocalPointer<PluralRules> en_UK(test->forLocale(Locale::getUK(), status));
LocalPointer<PluralRules> en(test->forLocale(Locale::getEnglish(), status));
if (en_UK.isValid() && en.isValid()) {
if ( *en_UK != *en ) {
errln("ERROR: test locale fallback failed!");
}
}
LocalPointer<PluralRules> zh_Hant(test->forLocale(Locale::getTaiwan(), status));
LocalPointer<PluralRules> zh(test->forLocale(Locale::getChinese(), status));
if (zh_Hant.isValid() && zh.isValid()) {
if ( *zh_Hant != *zh ) {
errln("ERROR: test locale fallback failed!");
}
}
}
void setupResult(const int32_t testSource[], char result[], int32_t* max) {
int32_t i=0;
int32_t curIndex=0;
do {
while (curIndex < testSource[i]) {
result[curIndex++]=0x6F; //'o' other
}
result[curIndex++]=0x61; // 'a'
} while(testSource[++i]>0);
*max=curIndex;
}
UBool checkEqual(const PluralRules &test, char *result, int32_t max) {
UnicodeString key;
UBool isEqual = TRUE;
for (int32_t i=0; i<max; ++i) {
key= test.select(i);
if ( key.charAt(0)!=result[i] ) {
isEqual = FALSE;
}
}
return isEqual;
}
static const int32_t MAX_EQ_ROW = 2;
static const int32_t MAX_EQ_COL = 5;
UBool testEquality(const PluralRules &test) {
UnicodeString testEquRules[MAX_EQ_ROW][MAX_EQ_COL] = {
{ UNICODE_STRING_SIMPLE("a: n in 2..3"),
UNICODE_STRING_SIMPLE("a: n is 2 or n is 3"),
UNICODE_STRING_SIMPLE( "a:n is 3 and n in 2..5 or n is 2"),
"",
},
{ UNICODE_STRING_SIMPLE("a: n is 12; b:n mod 10 in 2..3"),
UNICODE_STRING_SIMPLE("b: n mod 10 in 2..3 and n is not 12; a: n in 12..12"),
UNICODE_STRING_SIMPLE("b: n is 13; a: n in 12..13; b: n mod 10 is 2 or n mod 10 is 3"),
"",
}
};
UErrorCode status = U_ZERO_ERROR;
UnicodeString key[MAX_EQ_COL];
UBool ret=TRUE;
for (int32_t i=0; i<MAX_EQ_ROW; ++i) {
PluralRules* rules[MAX_EQ_COL];
for (int32_t j=0; j<MAX_EQ_COL; ++j) {
rules[j]=NULL;
}
int32_t totalRules=0;
while((totalRules<MAX_EQ_COL) && (testEquRules[i][totalRules].length()>0) ) {
rules[totalRules]=test.createRules(testEquRules[i][totalRules], status);
totalRules++;
}
for (int32_t n=0; n<300 && ret ; ++n) {
for(int32_t j=0; j<totalRules;++j) {
key[j] = rules[j]->select(n);
}
for(int32_t j=0; j<totalRules-1;++j) {
if (key[j]!=key[j+1]) {
ret= FALSE;
break;
}
}
}
for (int32_t j=0; j<MAX_EQ_COL; ++j) {
if (rules[j]!=NULL) {
delete rules[j];
}
}
}
return ret;
}
void
PluralRulesTest::assertRuleValue(const UnicodeString& rule, double expected) {
assertRuleKeyValue("a:" + rule, "a", expected);
}
void
PluralRulesTest::assertRuleKeyValue(const UnicodeString& rule,
const UnicodeString& key, double expected) {
UErrorCode status = U_ZERO_ERROR;
PluralRules *pr = PluralRules::createRules(rule, status);
double result = pr->getUniqueKeywordValue(key);
delete pr;
if (expected != result) {
errln("expected %g but got %g", expected, result);
}
}
// TODO: UniqueKeywordValue() is not currently supported.
// If it never will be, this test code should be removed.
void PluralRulesTest::testGetUniqueKeywordValue() {
assertRuleValue("n is 1", 1);
assertRuleValue("n in 2..2", 2);
assertRuleValue("n within 2..2", 2);
assertRuleValue("n in 3..4", UPLRULES_NO_UNIQUE_VALUE);
assertRuleValue("n within 3..4", UPLRULES_NO_UNIQUE_VALUE);
assertRuleValue("n is 2 or n is 2", 2);
assertRuleValue("n is 2 and n is 2", 2);
assertRuleValue("n is 2 or n is 3", UPLRULES_NO_UNIQUE_VALUE);
assertRuleValue("n is 2 and n is 3", UPLRULES_NO_UNIQUE_VALUE);
assertRuleValue("n is 2 or n in 2..3", UPLRULES_NO_UNIQUE_VALUE);
assertRuleValue("n is 2 and n in 2..3", 2);
assertRuleKeyValue("a: n is 1", "not_defined", UPLRULES_NO_UNIQUE_VALUE); // key not defined
assertRuleKeyValue("a: n is 1", "other", UPLRULES_NO_UNIQUE_VALUE); // key matches default rule
}
void PluralRulesTest::testGetSamples() {
// TODO: fix samples, re-enable this test.
// no get functional equivalent API in ICU4C, so just
// test every locale...
UErrorCode status = U_ZERO_ERROR;
int32_t numLocales;
const Locale* locales = Locale::getAvailableLocales(numLocales);
double values[1000];
for (int32_t i = 0; U_SUCCESS(status) && i < numLocales; ++i) {
PluralRules *rules = PluralRules::forLocale(locales[i], status);
if (U_FAILURE(status)) {
break;
}
StringEnumeration *keywords = rules->getKeywords(status);
if (U_FAILURE(status)) {
delete rules;
break;
}
const UnicodeString* keyword;
while (NULL != (keyword = keywords->snext(status))) {
int32_t count = rules->getSamples(*keyword, values, UPRV_LENGTHOF(values), status);
if (U_FAILURE(status)) {
errln(UNICODE_STRING_SIMPLE("getSamples() failed for locale ") +
locales[i].getName() +
UNICODE_STRING_SIMPLE(", keyword ") + *keyword);
continue;
}
if (count == 0) {
// TODO: Lots of these.
// errln(UNICODE_STRING_SIMPLE("no samples for keyword ") + *keyword + UNICODE_STRING_SIMPLE(" in locale ") + locales[i].getName() );
}
if (count > UPRV_LENGTHOF(values)) {
errln(UNICODE_STRING_SIMPLE("getSamples()=") + count +
UNICODE_STRING_SIMPLE(", too many values, for locale ") +
locales[i].getName() +
UNICODE_STRING_SIMPLE(", keyword ") + *keyword);
count = UPRV_LENGTHOF(values);
}
for (int32_t j = 0; j < count; ++j) {
if (values[j] == UPLRULES_NO_UNIQUE_VALUE) {
errln("got 'no unique value' among values");
} else {
UnicodeString resultKeyword = rules->select(values[j]);
// if (strcmp(locales[i].getName(), "uk") == 0) { // Debug only.
// std::cout << " uk " << US(resultKeyword).cstr() << " " << values[j] << std::endl;
// }
if (*keyword != resultKeyword) {
errln("file %s, line %d, Locale %s, sample for keyword \"%s\": %g, select(%g) returns keyword \"%s\"",
__FILE__, __LINE__, locales[i].getName(), US(*keyword).cstr(), values[j], values[j], US(resultKeyword).cstr());
}
}
}
}
delete keywords;
delete rules;
}
}
void PluralRulesTest::testWithin() {
// goes to show you what lack of testing will do.
// of course, this has been broken for two years and no one has noticed...
UErrorCode status = U_ZERO_ERROR;
PluralRules *rules = PluralRules::createRules("a: n mod 10 in 5..8", status);
if (!rules) {
errln("couldn't instantiate rules");
return;
}
UnicodeString keyword = rules->select((int32_t)26);
if (keyword != "a") {
errln("expected 'a' for 26 but didn't get it.");
}
keyword = rules->select(26.5);
if (keyword != "other") {
errln("expected 'other' for 26.5 but didn't get it.");
}
delete rules;
}
void
PluralRulesTest::testGetAllKeywordValues() {
const char* data[] = {
"a: n in 2..5", "a: 2,3,4,5; other: null; b:",
"a: n not in 2..5", "a: null; other: null",
"a: n within 2..5", "a: null; other: null",
"a: n not within 2..5", "a: null; other: null",
"a: n in 2..5 or n within 6..8", "a: null", // ignore 'other' here on out, always null
"a: n in 2..5 and n within 6..8", "a:",
"a: n in 2..5 and n within 5..8", "a: 5",
"a: n within 2..5 and n within 6..8", "a:", // our sampling catches these
"a: n within 2..5 and n within 5..8", "a: 5", // ''
"a: n within 1..2 and n within 2..3 or n within 3..4 and n within 4..5", "a: 2,4",
"a: n within 1..2 and n within 2..3 or n within 3..4 and n within 4..5 "
"or n within 5..6 and n within 6..7", "a: null", // but not this...
"a: n mod 3 is 0", "a: null",
"a: n mod 3 is 0 and n within 1..2", "a:",
"a: n mod 3 is 0 and n within 0..5", "a: 0,3",
"a: n mod 3 is 0 and n within 0..6", "a: null", // similarly with mod, we don't catch...
"a: n mod 3 is 0 and n in 3..12", "a: 3,6,9,12",
NULL
};
for (int i = 0; data[i] != NULL; i += 2) {
UErrorCode status = U_ZERO_ERROR;
UnicodeString ruleDescription(data[i], -1, US_INV);
const char* result = data[i+1];
logln("[%d] %s", i >> 1, data[i]);
PluralRules *p = PluralRules::createRules(ruleDescription, status);
if (p == NULL || U_FAILURE(status)) {
errln("file %s, line %d: could not create rules from '%s'\n"
" ErrorCode: %s\n",
__FILE__, __LINE__, data[i], u_errorName(status));
continue;
}
// TODO: fix samples implementation, re-enable test.
(void)result;
#if 0
const char* rp = result;
while (*rp) {
while (*rp == ' ') ++rp;
if (!rp) {
break;
}
const char* ep = rp;
while (*ep && *ep != ':') ++ep;
status = U_ZERO_ERROR;
UnicodeString keyword(rp, ep - rp, US_INV);
double samples[4]; // no test above should have more samples than 4
int32_t count = p->getAllKeywordValues(keyword, &samples[0], 4, status);
if (U_FAILURE(status)) {
errln("error getting samples for %s", rp);
break;
}
if (count > 4) {
errln("count > 4 for keyword %s", rp);
count = 4;
}
if (*ep) {
++ep; // skip colon
while (*ep && *ep == ' ') ++ep; // and spaces
}
UBool ok = TRUE;
if (count == -1) {
if (*ep != 'n') {
errln("expected values for keyword %s but got -1 (%s)", rp, ep);
ok = FALSE;
}
} else if (*ep == 'n') {
errln("expected count of -1, got %d, for keyword %s (%s)", count, rp, ep);
ok = FALSE;
}
// We'll cheat a bit here. The samples happend to be in order and so are our
// expected values, so we'll just test in order until a failure. If the
// implementation changes to return samples in an arbitrary order, this test
// must change. There's no actual restriction on the order of the samples.
for (int j = 0; ok && j < count; ++j ) { // we've verified count < 4
double val = samples[j];
if (*ep == 0 || *ep == ';') {
errln("got unexpected value[%d]: %g", j, val);
ok = FALSE;
break;
}
char* xp;
double expectedVal = strtod(ep, &xp);
if (xp == ep) {
// internal error
errln("yikes!");
ok = FALSE;
break;
}
ep = xp;
if (expectedVal != val) {
errln("expected %g but got %g", expectedVal, val);
ok = FALSE;
break;
}
if (*ep == ',') ++ep;
}
if (ok && count != -1) {
if (!(*ep == 0 || *ep == ';')) {
errln("file: %s, line %d, didn't get expected value: %s", __FILE__, __LINE__, ep);
ok = FALSE;
}
}
while (*ep && *ep != ';') ++ep;
if (*ep == ';') ++ep;
rp = ep;
}
#endif
delete p;
}
}
void PluralRulesTest::testOrdinal() {
IcuTestErrorCode errorCode(*this, "testOrdinal");
LocalPointer<PluralRules> pr(PluralRules::forLocale("en", UPLURAL_TYPE_ORDINAL, errorCode));
if (errorCode.logIfFailureAndReset("PluralRules::forLocale(en, UPLURAL_TYPE_ORDINAL) failed")) {
return;
}
UnicodeString keyword = pr->select(2.);
if (keyword != UNICODE_STRING("two", 3)) {
dataerrln("PluralRules(en-ordinal).select(2) failed");
}
}
static const char * END_MARK = "999.999"; // Mark end of varargs data.
void PluralRulesTest::checkSelect(const LocalPointer<PluralRules> &rules, UErrorCode &status,
int32_t line, const char *keyword, ...) {
// The varargs parameters are a const char* strings, each being a decimal number.
// The formatting of the numbers as strings is significant, e.g.
// the difference between "2" and "2.0" can affect which rule matches (which keyword is selected).
// Note: rules parameter is a LocalPointer reference rather than a PluralRules * to avoid having
// to write getAlias() at every (numerous) call site.
if (U_FAILURE(status)) {
errln("file %s, line %d, ICU error status: %s.", __FILE__, line, u_errorName(status));
status = U_ZERO_ERROR;
return;
}
if (rules == NULL) {
errln("file %s, line %d: rules pointer is NULL", __FILE__, line);
return;
}
va_list ap;
va_start(ap, keyword);
for (;;) {
const char *num = va_arg(ap, const char *);
if (strcmp(num, END_MARK) == 0) {
break;
}
// DigitList is a convenient way to parse the decimal number string and get a double.
DigitList dl;
dl.set(StringPiece(num), status);
if (U_FAILURE(status)) {
errln("file %s, line %d, ICU error status: %s.", __FILE__, line, u_errorName(status));
status = U_ZERO_ERROR;
continue;
}
double numDbl = dl.getDouble();
const char *decimalPoint = strchr(num, '.');
int fractionDigitCount = decimalPoint == NULL ? 0 : (num + strlen(num) - 1) - decimalPoint;
int fractionDigits = fractionDigitCount == 0 ? 0 : atoi(decimalPoint + 1);
FixedDecimal ni(numDbl, fractionDigitCount, fractionDigits);
UnicodeString actualKeyword = rules->select(ni);
if (actualKeyword != UnicodeString(keyword)) {
errln("file %s, line %d, select(%s) returned incorrect keyword. Expected %s, got %s",
__FILE__, line, num, keyword, US(actualKeyword).cstr());
}
}
va_end(ap);
}
void PluralRulesTest::testSelect() {
UErrorCode status = U_ZERO_ERROR;
LocalPointer<PluralRules> pr(PluralRules::createRules("s: n in 1,3,4,6", status));
checkSelect(pr, status, __LINE__, "s", "1.0", "3.0", "4.0", "6.0", END_MARK);
checkSelect(pr, status, __LINE__, "other", "0.0", "2.0", "3.1", "7.0", END_MARK);
pr.adoptInstead(PluralRules::createRules("s: n not in 1,3,4,6", status));
checkSelect(pr, status, __LINE__, "other", "1.0", "3.0", "4.0", "6.0", END_MARK);
checkSelect(pr, status, __LINE__, "s", "0.0", "2.0", "3.1", "7.0", END_MARK);
pr.adoptInstead(PluralRules::createRules("r: n in 1..4, 7..10, 14 .. 17;"
"s: n is 29;", status));
checkSelect(pr, status, __LINE__, "r", "1.0", "3.0", "7.0", "8.0", "10.0", "14.0", "17.0", END_MARK);
checkSelect(pr, status, __LINE__, "s", "29.0", END_MARK);
checkSelect(pr, status, __LINE__, "other", "28.0", "29.1", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n mod 10 is 1; b: n mod 100 is 0 ", status));
checkSelect(pr, status, __LINE__, "a", "1", "11", "41", "101", "301.00", END_MARK);
checkSelect(pr, status, __LINE__, "b", "0", "100", "200.0", "300.", "1000", "1100", "110000", END_MARK);
checkSelect(pr, status, __LINE__, "other", "0.01", "1.01", "0.99", "2", "3", "99", "102", END_MARK);
// Rules that end with or without a ';' and with or without trailing spaces.
// (There was a rule parser bug here with these.)
pr.adoptInstead(PluralRules::createRules("a: n is 1", status));
checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
checkSelect(pr, status, __LINE__, "other", "2", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n is 1 ", status));
checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
checkSelect(pr, status, __LINE__, "other", "2", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n is 1;", status));
checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
checkSelect(pr, status, __LINE__, "other", "2", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n is 1 ; ", status));
checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
checkSelect(pr, status, __LINE__, "other", "2", END_MARK);
// First match when rules for different keywords are not disjoint.
// Also try spacing variations around ':' and '..'
pr.adoptInstead(PluralRules::createRules("c: n in 5..15; b : n in 1..10 ;a:n in 10 .. 20", status));
checkSelect(pr, status, __LINE__, "a", "20", END_MARK);
checkSelect(pr, status, __LINE__, "b", "1", END_MARK);
checkSelect(pr, status, __LINE__, "c", "10", END_MARK);
checkSelect(pr, status, __LINE__, "other", "0", "21", "10.1", END_MARK);
// in vs within
pr.adoptInstead(PluralRules::createRules("a: n in 2..10; b: n within 8..15", status));
checkSelect(pr, status, __LINE__, "a", "2", "8", "10", END_MARK);
checkSelect(pr, status, __LINE__, "b", "8.01", "9.5", "11", "14.99", "15", END_MARK);
checkSelect(pr, status, __LINE__, "other", "1", "7.7", "15.01", "16", END_MARK);
// OR and AND chains.
pr.adoptInstead(PluralRules::createRules("a: n in 2..10 and n in 4..12 and n not in 5..7", status));
checkSelect(pr, status, __LINE__, "a", "4", "8", "9", "10", END_MARK);
checkSelect(pr, status, __LINE__, "other", "2", "3", "5", "7", "11", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n is 2 or n is 5 or n in 7..11 and n in 11..13", status));
checkSelect(pr, status, __LINE__, "a", "2", "5", "11", END_MARK);
checkSelect(pr, status, __LINE__, "other", "3", "4", "6", "8", "10", "12", "13", END_MARK);
// Number attributes -
// n: the number itself
// i: integer digits
// f: visible fraction digits
// t: f with trailing zeros removed.
// v: number of visible fraction digits
// j: = n if there are no visible fraction digits
// != anything if there are visible fraction digits
pr.adoptInstead(PluralRules::createRules("a: i is 123", status));
checkSelect(pr, status, __LINE__, "a", "123", "123.0", "123.1", "0123.99", END_MARK);
checkSelect(pr, status, __LINE__, "other", "124", "122.0", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: f is 120", status));
checkSelect(pr, status, __LINE__, "a", "1.120", "0.120", "11123.120", "0123.120", END_MARK);
checkSelect(pr, status, __LINE__, "other", "1.121", "122.1200", "1.12", "120", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: t is 12", status));
checkSelect(pr, status, __LINE__, "a", "1.120", "0.12", "11123.12000", "0123.1200000", END_MARK);
checkSelect(pr, status, __LINE__, "other", "1.121", "122.1200001", "1.11", "12", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: v is 3", status));
checkSelect(pr, status, __LINE__, "a", "1.120", "0.000", "11123.100", "0123.124", ".666", END_MARK);
checkSelect(pr, status, __LINE__, "other", "1.1212", "122.12", "1.1", "122", "0.0000", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: v is 0 and i is 123", status));
checkSelect(pr, status, __LINE__, "a", "123", "123.", END_MARK);
checkSelect(pr, status, __LINE__, "other", "123.0", "123.1", "123.123", "0.123", END_MARK);
// The reserved words from the rule syntax will also function as keywords.
pr.adoptInstead(PluralRules::createRules("a: n is 21; n: n is 22; i: n is 23; f: n is 24;"
"t: n is 25; v: n is 26; w: n is 27; j: n is 28"
, status));
checkSelect(pr, status, __LINE__, "other", "20", "29", END_MARK);
checkSelect(pr, status, __LINE__, "a", "21", END_MARK);
checkSelect(pr, status, __LINE__, "n", "22", END_MARK);
checkSelect(pr, status, __LINE__, "i", "23", END_MARK);
checkSelect(pr, status, __LINE__, "f", "24", END_MARK);
checkSelect(pr, status, __LINE__, "t", "25", END_MARK);
checkSelect(pr, status, __LINE__, "v", "26", END_MARK);
checkSelect(pr, status, __LINE__, "w", "27", END_MARK);
checkSelect(pr, status, __LINE__, "j", "28", END_MARK);
pr.adoptInstead(PluralRules::createRules("not: n=31; and: n=32; or: n=33; mod: n=34;"
"in: n=35; within: n=36;is:n=37"
, status));
checkSelect(pr, status, __LINE__, "other", "30", "39", END_MARK);
checkSelect(pr, status, __LINE__, "not", "31", END_MARK);
checkSelect(pr, status, __LINE__, "and", "32", END_MARK);
checkSelect(pr, status, __LINE__, "or", "33", END_MARK);
checkSelect(pr, status, __LINE__, "mod", "34", END_MARK);
checkSelect(pr, status, __LINE__, "in", "35", END_MARK);
checkSelect(pr, status, __LINE__, "within", "36", END_MARK);
checkSelect(pr, status, __LINE__, "is", "37", END_MARK);
// Test cases from ICU4J PluralRulesTest.parseTestData
pr.adoptInstead(PluralRules::createRules("a: n is 1", status));
checkSelect(pr, status, __LINE__, "a", "1", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n mod 10 is 2", status));
checkSelect(pr, status, __LINE__, "a", "2", "12", "22", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n is not 1", status));
checkSelect(pr, status, __LINE__, "a", "0", "2", "3", "4", "5", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n mod 3 is not 1", status));
checkSelect(pr, status, __LINE__, "a", "0", "2", "3", "5", "6", "8", "9", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n in 2..5", status));
checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n within 2..5", status));
checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n not in 2..5", status));
checkSelect(pr, status, __LINE__, "a", "0", "1", "6", "7", "8", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n not within 2..5", status));
checkSelect(pr, status, __LINE__, "a", "0", "1", "6", "7", "8", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n mod 10 in 2..5", status));
checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", "12", "13", "14", "15", "22", "23", "24", "25", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n mod 10 within 2..5", status));
checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", "12", "13", "14", "15", "22", "23", "24", "25", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n mod 10 is 2 and n is not 12", status));
checkSelect(pr, status, __LINE__, "a", "2", "22", "32", "42", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n mod 10 in 2..3 or n mod 10 is 5", status));
checkSelect(pr, status, __LINE__, "a", "2", "3", "5", "12", "13", "15", "22", "23", "25", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n mod 10 within 2..3 or n mod 10 is 5", status));
checkSelect(pr, status, __LINE__, "a", "2", "3", "5", "12", "13", "15", "22", "23", "25", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n is 1 or n is 4 or n is 23", status));
checkSelect(pr, status, __LINE__, "a", "1", "4", "23", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n mod 2 is 1 and n is not 3 and n in 1..11", status));
checkSelect(pr, status, __LINE__, "a", "1", "5", "7", "9", "11", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n mod 2 is 1 and n is not 3 and n within 1..11", status));
checkSelect(pr, status, __LINE__, "a", "1", "5", "7", "9", "11", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n mod 2 is 1 or n mod 5 is 1 and n is not 6", status));
checkSelect(pr, status, __LINE__, "a", "1", "3", "5", "7", "9", "11", "13", "15", "16", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n in 2..5; b: n in 5..8; c: n mod 2 is 1", status));
checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
checkSelect(pr, status, __LINE__, "b", "6", "7", "8", END_MARK);
checkSelect(pr, status, __LINE__, "c", "1", "9", "11", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n within 2..5; b: n within 5..8; c: n mod 2 is 1", status));
checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", END_MARK);
checkSelect(pr, status, __LINE__, "b", "6", "7", "8", END_MARK);
checkSelect(pr, status, __LINE__, "c", "1", "9", "11", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n in 2, 4..6; b: n within 7..9,11..12,20", status));
checkSelect(pr, status, __LINE__, "a", "2", "4", "5", "6", END_MARK);
checkSelect(pr, status, __LINE__, "b", "7", "8", "9", "11", "12", "20", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n in 2..8, 12 and n not in 4..6", status));
checkSelect(pr, status, __LINE__, "a", "2", "3", "7", "8", "12", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n mod 10 in 2, 3,5..7 and n is not 12", status));
checkSelect(pr, status, __LINE__, "a", "2", "3", "5", "6", "7", "13", "15", "16", "17", END_MARK);
pr.adoptInstead(PluralRules::createRules("a: n in 2..6, 3..7", status));
checkSelect(pr, status, __LINE__, "a", "2", "3", "4", "5", "6", "7", END_MARK);
// Extended Syntax, with '=', '!=' and '%' operators.
pr.adoptInstead(PluralRules::createRules("a: n = 1..8 and n!= 2,3,4,5", status));
checkSelect(pr, status, __LINE__, "a", "1", "6", "7", "8", END_MARK);
checkSelect(pr, status, __LINE__, "other", "0", "2", "3", "4", "5", "9", END_MARK);
pr.adoptInstead(PluralRules::createRules("a:n % 10 != 1", status));
checkSelect(pr, status, __LINE__, "a", "2", "6", "7", "8", END_MARK);
checkSelect(pr, status, __LINE__, "other", "1", "21", "211", "91", END_MARK);
}
void PluralRulesTest::testAvailbleLocales() {
// Hash set of (char *) strings.
UErrorCode status = U_ZERO_ERROR;
UHashtable *localeSet = uhash_open(uhash_hashUnicodeString, uhash_compareUnicodeString, uhash_compareLong, &status);
uhash_setKeyDeleter(localeSet, uprv_deleteUObject);
if (U_FAILURE(status)) {
errln("file %s, line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
return;
}
// Check that each locale returned by the iterator is unique.
StringEnumeration *localesEnum = PluralRules::getAvailableLocales(status);
int localeCount = 0;
for (;;) {
const char *locale = localesEnum->next(NULL, status);
if (U_FAILURE(status)) {
dataerrln("file %s, line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
return;
}
if (locale == NULL) {
break;
}
localeCount++;
int32_t oldVal = uhash_puti(localeSet, new UnicodeString(locale), 1, &status);
if (oldVal != 0) {
errln("file %s, line %d: locale %s was seen before.", __FILE__, __LINE__, locale);
}
}
// Reset the iterator, verify that we get the same count.
localesEnum->reset(status);
int32_t localeCount2 = 0;
while (localesEnum->next(NULL, status) != NULL) {
if (U_FAILURE(status)) {
errln("file %s, line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
break;
}
localeCount2++;
}
if (localeCount != localeCount2) {
errln("file %s, line %d: locale counts differ. They are (%d, %d)",
__FILE__, __LINE__, localeCount, localeCount2);
}
// Instantiate plural rules for each available locale.
localesEnum->reset(status);
for (;;) {
status = U_ZERO_ERROR;
const char *localeName = localesEnum->next(NULL, status);
if (U_FAILURE(status)) {
errln("file %s, line %d: Error status = %s, locale = %s",
__FILE__, __LINE__, u_errorName(status), localeName);
return;
}
if (localeName == NULL) {
break;
}
Locale locale = Locale::createFromName(localeName);
PluralRules *pr = PluralRules::forLocale(locale, status);
if (U_FAILURE(status)) {
errln("file %s, line %d: Error %s creating plural rules for locale %s",
__FILE__, __LINE__, u_errorName(status), localeName);
continue;
}
if (pr == NULL) {
errln("file %s, line %d: Null plural rules for locale %s", __FILE__, __LINE__, localeName);
continue;
}
// Pump some numbers through the plural rules. Can't check for correct results,
// mostly this to tickle any asserts or crashes that may be lurking.
for (double n=0; n<120.0; n+=0.5) {
UnicodeString keyword = pr->select(n);
if (keyword.length() == 0) {
errln("file %s, line %d, empty keyword for n = %g, locale %s",
__FILE__, __LINE__, n, localeName);
}
}
delete pr;
}
uhash_close(localeSet);
delete localesEnum;
}
void PluralRulesTest::testParseErrors() {
// Test rules with syntax errors.
// Creation of PluralRules from them should fail.
static const char *testCases[] = {
"a: n mod 10, is 1",
"a: q is 13",
"a n is 13",
"a: n is 13,",
"a: n is 13, 15, b: n is 4",
"a: n is 1, 3, 4.. ",
"a: n within 5..4",
"A: n is 13", // Uppercase keywords not allowed.
"a: n ! = 3", // spaces in != operator
"a: n = not 3", // '=' not exact equivalent of 'is'
"a: n ! in 3..4" // '!' not exact equivalent of 'not'
"a: n % 37 ! in 3..4"
};
for (int i=0; i<UPRV_LENGTHOF(testCases); i++) {
const char *rules = testCases[i];
UErrorCode status = U_ZERO_ERROR;
PluralRules *pr = PluralRules::createRules(UnicodeString(rules), status);
if (U_SUCCESS(status)) {
errln("file %s, line %d, expected failure with \"%s\".", __FILE__, __LINE__, rules);
}
if (pr != NULL) {
errln("file %s, line %d, expected NULL. Rules: \"%s\"", __FILE__, __LINE__, rules);
}
}
return;
}
void PluralRulesTest::testFixedDecimal() {
struct DoubleTestCase {
double n;
int32_t fractionDigitCount;
int64_t fractionDigits;
};
// Check that the internal functions for extracting the decimal fraction digits from
// a double value are working.
static DoubleTestCase testCases[] = {
{1.0, 0, 0},
{123456.0, 0, 0},
{1.1, 1, 1},
{1.23, 2, 23},
{1.234, 3, 234},
{1.2345, 4, 2345},
{1.23456, 5, 23456},
{.1234, 4, 1234},
{.01234, 5, 1234},
{.001234, 6, 1234},
{.0001234, 7, 1234},
{100.1234, 4, 1234},
{100.01234, 5, 1234},
{100.001234, 6, 1234},
{100.0001234, 7, 1234}
};
for (int i=0; i<UPRV_LENGTHOF(testCases); ++i) {
DoubleTestCase &tc = testCases[i];
int32_t numFractionDigits = FixedDecimal::decimals(tc.n);
if (numFractionDigits != tc.fractionDigitCount) {
errln("file %s, line %d: decimals(%g) expected %d, actual %d",
__FILE__, __LINE__, tc.n, tc.fractionDigitCount, numFractionDigits);
continue;
}
int64_t actualFractionDigits = FixedDecimal::getFractionalDigits(tc.n, numFractionDigits);
if (actualFractionDigits != tc.fractionDigits) {
errln("file %s, line %d: getFractionDigits(%g, %d): expected %ld, got %ld",
__FILE__, __LINE__, tc.n, numFractionDigits, tc.fractionDigits, actualFractionDigits);
}
}
}
#endif /* #if !UCONFIG_NO_FORMATTING */
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