Dynamically load icu (Ubuntu)
This commit is contained in:
Robin E. R. Davies
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// Copyright (c) 2022 Robin Davies
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "pch.h"
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#include "catch.hpp"
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#include <string>
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#include <memory>
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#include <unicode/locid.h> // before Locale.hpp
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#include <unicode/unistr.h>
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#include <unicode/coleitr.h>
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#include <unicode/coll.h>
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#include "Locale.hpp"
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#include <iostream>
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#include <vector>
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#include <algorithm>
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using namespace pipedal;
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using namespace std;
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static std::string ToUtf8(const icu::UnicodeString &value)
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{
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std::string result;
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icu::StringByteSink<std::string> sink(&result);
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value.toUTF8(sink);
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sink.Flush();
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return result;
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}
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class LocaleEnumerator {
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public:
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// Enumerate all available locales
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static std::vector<std::string> getAllLocales() {
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std::vector<std::string> locales;
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// Get the number of available locales
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int32_t count = 0;
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const icu::Locale* availableLocales = icu::Locale::getAvailableLocales(count);
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for (int32_t i = 0; i < count; ++i) {
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const icu::Locale& locale = availableLocales[i];
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// Construct full locale name
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std::string localeName = constructLocaleName(locale);
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locales.push_back(localeName);
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}
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// Sort locales alphabetically
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std::sort(locales.begin(), locales.end());
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return locales;
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}
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// Detailed locale information
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static void printLocaleDetails(const std::string& localeName) {
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try {
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icu::Locale locale(localeName.c_str());
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// Display locale information
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std::cout << "Locale: " << localeName << "\n";
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// Language display name
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icu::UnicodeString languageName;
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locale.getDisplayLanguage(locale, languageName);
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std::cout << " Language: " << ToUtf8(languageName) << "\n";
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// Country display name
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icu::UnicodeString countryName;
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locale.getDisplayCountry(locale, countryName);
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std::cout << " Country: " << ToUtf8(countryName) << "\n";
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// Variant information
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icu::UnicodeString variantName;
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locale.getDisplayVariant(locale, variantName);
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if (!variantName.isEmpty()) {
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std::cout << " Variant: " << ToUtf8(variantName) << "\n";
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}
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UErrorCode status = U_ZERO_ERROR;
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std::unique_ptr<icu::Collator> collator(icu::Collator::createInstance(localeName.c_str(),status));
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icu::Collator::ECollationStrength strength = collator->getStrength();
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std::cout << " Default strength: " << strength << "\n";
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}
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catch (const std::exception& e) {
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std::cerr << "Error processing locale " << localeName << ": " << e.what() << std::endl;
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}
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}
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// Enumerate locales by language or country
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static std::vector<std::string> getLocalesByLanguage(const std::string& language) {
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std::vector<std::string> matchingLocales;
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int32_t count = 0;
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const icu::Locale* availableLocales = icu::Locale::getAvailableLocales(count);
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for (int32_t i = 0; i < count; ++i) {
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const icu::Locale& locale = availableLocales[i];
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if (language == locale.getLanguage()) {
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std::string localeName = constructLocaleName(locale);
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matchingLocales.push_back(localeName);
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}
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}
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std::sort(matchingLocales.begin(), matchingLocales.end());
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return matchingLocales;
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}
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private:
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// Construct a comprehensive locale name
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static std::string constructLocaleName(const icu::Locale& locale) {
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std::string localeName;
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const char* lang = locale.getLanguage();
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const char* country = locale.getCountry();
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const char* variant = locale.getVariant();
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if (lang && *lang) {
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localeName += lang;
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if (country && *country) {
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localeName += "_";
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localeName += country;
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if (variant && *variant) {
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localeName += ".";
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localeName += variant;
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}
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}
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}
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return localeName;
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}
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};
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int enumerateLocales() {
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try {
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// Get and print total number of available locales
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int32_t count = 0;
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icu::Locale::getAvailableLocales(count);
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std::cout << "Total Available Locales: " << count << "\n\n";
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// Demonstrate different locale enumeration methods
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// 1. Get all locales
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std::vector<std::string> allLocales = LocaleEnumerator::getAllLocales();
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for (size_t i = 0; i < allLocales.size(); ++i) {
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std::cout << allLocales[i] << "\n";
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}
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// 2. Get locales by specific language (e.g., English)
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std::cout << "\nFrench Locales:\n";
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std::vector<std::string> englishLocales = LocaleEnumerator::getLocalesByLanguage("fr");
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for (const auto& locale : englishLocales) {
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std::cout << locale << "\n";
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}
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// 3. Detailed information for a specific locale
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std::cout << "\nDetailed Locale Information:\n";
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LocaleEnumerator::printLocaleDetails("en_US");
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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return 1;
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}
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return 0;
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}
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void printSortOptions(const std::string&localeName)
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{
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UErrorCode status = U_ZERO_ERROR;
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std::unique_ptr<icu::Collator> collator(icu::Collator::createInstance(localeName.c_str(),status));
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}
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void u16Test() {
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{
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Locale::ptr locale = Locale::GetTestInstance("en_US");
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REQUIRE(locale->GetCollator()->Compare(u"ÄbcAe",u"Abcde") < 0); // standard sort order, not phone-book sort order.
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REQUIRE(locale->GetCollator()->Compare(u"Äbcdefg",u"Abcde") > 0); // standard sort order, not phone-book sort order.
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REQUIRE(locale->GetCollator()->Compare(u"Ä",u"A") == 0); // standard sort order, not phone-book sort order.
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REQUIRE(locale->GetCollator()->Compare(u"A",u"b") < 0);
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REQUIRE(locale->GetCollator()->Compare(u"B",u"a") > 0);
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REQUIRE(locale->GetCollator()->Compare(u"A",u"a") == 0);
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REQUIRE(locale->GetCollator()->Compare(u"c",u"ç") == 0);
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REQUIRE(locale->GetCollator()->Compare(u"e",u"è") == 0);
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}
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{
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Locale::ptr locale = Locale::GetTestInstance("fr_FR");
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REQUIRE(locale->GetCollator()->Compare(u"Ä",u"A") == 0); // standard sort order, not phone-book sort order.
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REQUIRE(locale->GetCollator()->Compare(u"A",u"b") < 0);
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REQUIRE(locale->GetCollator()->Compare(u"B",u"a") > 0);
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REQUIRE(locale->GetCollator()->Compare(u"A",u"a") == 0);
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REQUIRE(locale->GetCollator()->Compare(u"c",u"ç") == 0);
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REQUIRE(locale->GetCollator()->Compare(u"e",u"è") == 0);
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}
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{
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Locale::ptr locale = Locale::GetTestInstance("de_DE");
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REQUIRE(locale->GetCollator()->Compare(u"Ä",u"A") == 0); // standard sort order, not phone-book sort order.
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REQUIRE(locale->GetCollator()->Compare(u"A",u"b") < 0);
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REQUIRE(locale->GetCollator()->Compare(u"B",u"a") > 0);
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REQUIRE(locale->GetCollator()->Compare(u"A",u"a") == 0);
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REQUIRE(locale->GetCollator()->Compare(u"c",u"ç") == 0);
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REQUIRE(locale->GetCollator()->Compare(u"e",u"è") == 0);
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}
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{
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Locale::ptr locale = Locale::GetTestInstance("da_DK");
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REQUIRE(locale->GetCollator()->Compare(u"Å",u"Z") > 0);
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}
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}
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void u8Test() {
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{
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Locale::ptr locale = Locale::GetTestInstance("en_US");
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REQUIRE(locale->GetCollator()->Compare("Äbcae","Abcde") < 0); // standard sort order, not phone-book sort order.
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REQUIRE(locale->GetCollator()->Compare("Ä","A") == 0); // standard sort order, not phone-book sort order.
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REQUIRE(locale->GetCollator()->Compare("A","b") < 0);
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REQUIRE(locale->GetCollator()->Compare("B","a") > 0);
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REQUIRE(locale->GetCollator()->Compare("A","a") == 0);
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REQUIRE(locale->GetCollator()->Compare("c","ç") == 0);
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REQUIRE(locale->GetCollator()->Compare("e","è") == 0);
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}
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{
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Locale::ptr locale = Locale::GetTestInstance("fr_FR");
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REQUIRE(locale->GetCollator()->Compare("Ä","A") == 0); // standard sort order, not phone-book sort order.
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REQUIRE(locale->GetCollator()->Compare("A","b") < 0);
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REQUIRE(locale->GetCollator()->Compare("B","a") > 0);
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REQUIRE(locale->GetCollator()->Compare("A","a") == 0);
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REQUIRE(locale->GetCollator()->Compare("c","ç") == 0);
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REQUIRE(locale->GetCollator()->Compare("e","è") == 0);
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}
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{
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Locale::ptr locale = Locale::GetTestInstance("de_DE");
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REQUIRE(locale->GetCollator()->Compare("Ä","A") == 0); // standard sort order, not phone-book sort order.
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REQUIRE(locale->GetCollator()->Compare("A","b") < 0);
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REQUIRE(locale->GetCollator()->Compare("B","a") > 0);
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REQUIRE(locale->GetCollator()->Compare("A","a") == 0);
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REQUIRE(locale->GetCollator()->Compare("c","ç") == 0);
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REQUIRE(locale->GetCollator()->Compare("e","è") == 0);
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}
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{
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Locale::ptr locale = Locale::GetTestInstance("da_DK");
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REQUIRE(locale->GetCollator()->Compare("Å","Z") > 0);
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}
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}
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TEST_CASE( "Locale test", "[locale]" ) {
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cout << "====== Locale test ===============" << endl;
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// enumerateLocales();
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// printSortOptions("de_DE");
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u8Test();
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u16Test();
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}
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