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///////////////////////////////////////////////////////////////////////////////
// Name: tests/intl/intltest.cpp
// Purpose: wxLocale unit test
// Author: Vaclav Slavik
// Created: 2007-03-26
// Copyright: (c) 2007 Vaclav Slavik
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif // WX_PRECOMP
#include "wx/intl.h"
#include "wx/uilocale.h"
#include "wx/scopeguard.h"
#include "wx/private/glibc.h"
#if wxUSE_INTL
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class IntlTestCase : public CppUnit::TestCase
{
public:
IntlTestCase() { m_locale=nullptr; }
virtual void setUp() override;
virtual void tearDown() override;
private:
CPPUNIT_TEST_SUITE( IntlTestCase );
CPPUNIT_TEST( RestoreLocale );
CPPUNIT_TEST( Domain );
CPPUNIT_TEST( Headers );
CPPUNIT_TEST( DateTimeFmtFrench );
CPPUNIT_TEST( IsAvailable );
CPPUNIT_TEST_SUITE_END();
void RestoreLocale();
void Domain();
void Headers();
void DateTimeFmtFrench();
void IsAvailable();
static wxString GetDecimalPoint()
{
return wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER);
}
wxLocale *m_locale;
wxDECLARE_NO_COPY_CLASS(IntlTestCase);
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( IntlTestCase );
// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( IntlTestCase, "IntlTestCase" );
void IntlTestCase::setUp()
{
// Check that French locale is supported, this test doesn't work without it
// and all the other function need to check whether m_locale is non-null
// before continuing
if ( !wxLocale::IsAvailable(wxLANGUAGE_FRENCH) )
return;
wxLocale::AddCatalogLookupPathPrefix("./intl");
m_locale = new wxLocale;
CPPUNIT_ASSERT( m_locale );
// don't load default catalog, it may be unavailable:
bool loaded = m_locale->Init(wxLANGUAGE_FRENCH, wxLOCALE_DONT_LOAD_DEFAULT);
CPPUNIT_ASSERT( loaded );
m_locale->AddCatalog("internat");
}
void IntlTestCase::tearDown()
{
if (m_locale)
{
delete m_locale;
m_locale = nullptr;
}
}
void IntlTestCase::RestoreLocale()
{
if ( !m_locale )
return;
// We must be using the French locale now, it was changed in setUp().
CPPUNIT_ASSERT_EQUAL( ",", GetDecimalPoint() );
// Switch to the English locale.
{
wxLocale locEn(wxLANGUAGE_ENGLISH);
CPPUNIT_ASSERT_EQUAL( ".", GetDecimalPoint() );
}
// Verify that after destroying the English locale object, French locale is
// restored.
CPPUNIT_ASSERT_EQUAL( ",", GetDecimalPoint() );
}
void IntlTestCase::Domain()
{
if (!m_locale)
return;
// _() searches all domains by default:
CPPUNIT_ASSERT_EQUAL( "&Ouvrir un fichier", _("&Open bogus file") );
// search in our domain only:
CPPUNIT_ASSERT_EQUAL( "&Ouvrir un fichier", wxGetTranslation("&Open bogus file", "internat") );
// search in a domain that doesn't have this string:
CPPUNIT_ASSERT_EQUAL( "&Open bogus file", wxGetTranslation("&Open bogus file", "BogusDomain") );
}
void IntlTestCase::Headers()
{
if ( !m_locale )
return;
CPPUNIT_ASSERT_EQUAL( "wxWindows 2.0 i18n sample", m_locale->GetHeaderValue("Project-Id-Version") );
CPPUNIT_ASSERT_EQUAL( "1999-01-13 18:19+0100", m_locale->GetHeaderValue("POT-Creation-Date") );
CPPUNIT_ASSERT_EQUAL( "YEAR-MO-DA HO:MI+ZONE", m_locale->GetHeaderValue("PO-Revision-Date") );
CPPUNIT_ASSERT_EQUAL( "Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>", m_locale->GetHeaderValue("Last-Translator") );
CPPUNIT_ASSERT_EQUAL( "1.0", m_locale->GetHeaderValue("MIME-Version") );
CPPUNIT_ASSERT_EQUAL( "text/plain; charset=utf-8", m_locale->GetHeaderValue("Content-Type") );
CPPUNIT_ASSERT_EQUAL( "8bit", m_locale->GetHeaderValue("Content-Transfer-Encoding") );
// check that it fails with a bogus domain:
CPPUNIT_ASSERT_EQUAL( "", m_locale->GetHeaderValue("POT-Creation-Date", "Bogus") );
// and that it fails for nonexisting header:
CPPUNIT_ASSERT_EQUAL( "", m_locale->GetHeaderValue("X-Not-Here") );
}
static wxString
NormalizeFormat(const wxString& fmtOrig)
{
wxString fmt(fmtOrig);
#ifdef __GLIBC__
// glibc uses some extensions in its formats which we need to convert to
// standard form
fmt.Replace("%T", "%H:%M:%S");
fmt.Replace("%e", "%d");
#endif // __GLIBC__
return fmt;
}
#define WX_ASSERT_EQUAL_FORMAT(msg, expected, actual) \
if ( !actual.empty() ) \
CPPUNIT_ASSERT_EQUAL_MESSAGE(msg, expected, NormalizeFormat(actual))
void IntlTestCase::DateTimeFmtFrench()
{
if ( !m_locale )
return;
#ifdef __GLIBC__
// Versions of glibc up to 2.7 wrongly used periods for French locale
// separator.
#if wxCHECK_GLIBC_VERSION(2, 8)
static const char *FRENCH_DATE_FMT = "%d/%m/%Y";
#else
static const char *FRENCH_DATE_FMT = "%d.%m.%Y";
#endif
static const char *FRENCH_LONG_DATE_FMT = "%a %d %b %Y";
static const char *FRENCH_DATE_TIME_FMT = "%a %d %b %Y %H:%M:%S";
#elif defined(__FREEBSD__)
static const char *FRENCH_DATE_FMT = "%d.%m.%Y";
static const char *FRENCH_LONG_DATE_FMT = "%a %e %b %Y";
static const char *FRENCH_DATE_TIME_FMT = "%a %e %b %X %Y";
#elif defined(__CYGWIN__)
static const char *FRENCH_DATE_FMT = "%d/%m/%Y";
static const char *FRENCH_LONG_DATE_FMT = "%a %e %b %Y";
static const char *FRENCH_DATE_TIME_FMT = "%a %e %b %Y %H:%M:%S";
#else
static const char *FRENCH_DATE_FMT = "%d/%m/%Y";
static const char *FRENCH_LONG_DATE_FMT = "%A %d %B %Y";
static const char *FRENCH_DATE_TIME_FMT = "%d/%m/%Y %H:%M:%S";
#endif
WX_ASSERT_EQUAL_FORMAT( "French short date", FRENCH_DATE_FMT,
wxLocale::GetInfo(wxLOCALE_SHORT_DATE_FMT) );
WX_ASSERT_EQUAL_FORMAT( "French long date", FRENCH_LONG_DATE_FMT,
wxLocale::GetInfo(wxLOCALE_LONG_DATE_FMT) );
wxString fmtDT = wxLocale::GetInfo(wxLOCALE_DATE_TIME_FMT);
INFO("French date and time format is \"" << fmtDT << "\"");
#ifdef __WXOSX__
// Things are difficult to test under macOS as the format keeps changing,
// e.g. at some time between 10.10 and 10.12 a new " à " string appeared in
// its middle, so test it piece-wise and hope it doesn't change too much.
CHECK( fmtDT.StartsWith("%A %d %B %Y") );
CHECK( fmtDT.EndsWith("%H:%M:%S") );
wxUnusedVar(FRENCH_DATE_TIME_FMT);
#else
// Some glic versions have " %Z" at the end of the locale and some don't.
// The test is still useful if we just ignore this difference.
#ifdef __GLIBC__
wxString fmtDTWithoutTZ;
if ( fmtDT.EndsWith(" %Z", &fmtDTWithoutTZ) )
fmtDT.swap(fmtDTWithoutTZ);
#endif
WX_ASSERT_EQUAL_FORMAT( "French date and time", FRENCH_DATE_TIME_FMT, fmtDT );
#endif
WX_ASSERT_EQUAL_FORMAT( "French time", "%H:%M:%S",
wxLocale::GetInfo(wxLOCALE_TIME_FMT) );
}
void IntlTestCase::IsAvailable()
{
const wxString origLocale(setlocale(LC_ALL, nullptr));
// Calling IsAvailable() shouldn't change the locale.
wxLocale::IsAvailable(wxLANGUAGE_ENGLISH);
CPPUNIT_ASSERT_EQUAL( origLocale, setlocale(LC_ALL, nullptr) );
}
TEST_CASE("wxTranslations::AddCatalog", "[translations]")
{
// We currently have translations for British English, French and Japanese
// in this test directory, check that loading those succeeds but loading
// others doesn't.
wxFileTranslationsLoader::AddCatalogLookupPathPrefix("./intl");
const wxString domain("internat");
wxTranslations trans;
SECTION("All")
{
auto available = trans.GetAvailableTranslations(domain);
REQUIRE( available.size() == 4 );
available.Sort();
CHECK( available[0] == "en_GB" );
CHECK( available[1] == "fr" );
CHECK( available[2] == "ja" );
CHECK( available[3] == "xart-dothraki" );
}
SECTION("French")
{
trans.SetLanguage(wxLANGUAGE_FRENCH);
CHECK( trans.AddAvailableCatalog(domain) );
}
SECTION("Italian")
{
trans.SetLanguage(wxLANGUAGE_ITALIAN);
CHECK_FALSE( trans.AddAvailableCatalog(domain) );
}
// And loading catalog using the same language as message IDs should
// "succeed" too, even if there is no such file, as in this case the
// message IDs themselves can be used directly.
SECTION("Untranslated")
{
trans.SetLanguage(wxLANGUAGE_GERMAN);
CHECK( trans.AddCatalog(domain, wxLANGUAGE_GERMAN) );
// Using a different region should still work.
CHECK( trans.AddCatalog(domain, wxLANGUAGE_GERMAN_SWISS) );
// But using a completely different language should not.
CHECK_FALSE( trans.AddCatalog(domain, wxLANGUAGE_DUTCH) );
}
}
TEST_CASE("wxTranslations::GetBestTranslation", "[translations]")
{
wxFileTranslationsLoader::AddCatalogLookupPathPrefix("./intl");
const wxString domain("internat");
wxTranslations trans;
wxON_BLOCK_EXIT1( wxUnsetEnv, "WXLANGUAGE" );
SECTION("ChooseLanguage")
{
// Simple case.
wxSetEnv("WXLANGUAGE", "fr:en");
CHECK( trans.GetBestTranslation(domain) == "fr" );
CHECK( trans.GetBestAvailableTranslation(domain) == "fr" );
// Choose 2nd language _and_ its base form.
wxSetEnv("WXLANGUAGE", "cs:fr_CA:en");
CHECK( trans.GetBestTranslation(domain) == "fr" );
CHECK( trans.GetBestAvailableTranslation(domain) == "fr" );
}
SECTION("EnglishHandling")
{
// Check that existing en_GB file isn't used for msgid language.
wxSetEnv("WXLANGUAGE", "en_US");
CHECK( trans.GetBestTranslation(domain) == "en" );
// GetBestAvailableTranslation() will wrongly return "en_GB", don't test that.
wxSetEnv("WXLANGUAGE", "es:en");
CHECK( trans.GetBestTranslation(domain) == "en" );
// GetBestAvailableTranslation() will wrongly return "en_GB", don't test that.
// And that it is used when it should be
wxSetEnv("WXLANGUAGE", "en_GB");
CHECK( trans.GetBestTranslation(domain) == "en_GB" );
CHECK( trans.GetBestAvailableTranslation(domain) == "en_GB" );
}
SECTION("DontSkipMsgidLanguage")
{
// Check that msgid language will be used if it's the best match.
wxSetEnv("WXLANGUAGE", "cs:en:fr");
CHECK( trans.GetBestTranslation(domain) == "en" );
// ...But won't be used if there's a suitable translation file.
wxSetEnv("WXLANGUAGE", "fr:en:cs");
CHECK( trans.GetBestTranslation(domain) == "fr" );
CHECK( trans.GetBestAvailableTranslation(domain) == "fr" );
}
SECTION("PassthroughUnknown")
{
// Check that even a language not known to wx (in this case, made up)
// will be correctly served if it is known to the OS and has available
// translation.
//
// Notice that this would normally be x-art-dothraki, but we
// intentionally use an incorrect code to be future-proof and
// explicitly test for unrecognized passthrough even if wx starts fully
// understanding language tags.
wxSetEnv("WXLANGUAGE", "xart-dothraki:en:fr");
CHECK( trans.GetBestTranslation(domain) == "xart-dothraki" );
}
}
// This test can be used to check how GetBestTranslation() and
// GetAvailableTranslations() work with the given preferred languages: set
// WXLANGUAGE environment variable to the colon-separated list of preferred
// languages to test before running it.
TEST_CASE("wxTranslations::ShowAvailable", "[.]")
{
wxFileTranslationsLoader::AddCatalogLookupPathPrefix("./intl");
const wxString domain("internat");
wxTranslations trans;
WARN
(
"Available: [" << wxJoin(trans.GetAvailableTranslations(domain), ',') << "]\n"
"Best: [" << trans.GetBestTranslation(domain) << "]"
);
}
TEST_CASE("wxLocale::Default", "[locale]")
{
const int langDef = wxUILocale::GetSystemLanguage();
INFO("System language: " << wxUILocale::GetLanguageName(langDef));
CHECK( wxLocale::IsAvailable(langDef) );
wxLocale loc;
REQUIRE( loc.Init(langDef, wxLOCALE_DONT_LOAD_DEFAULT) );
}
// Under MSW and macOS all the locales used below should be supported, but
// under Linux some locales may be unavailable.
static inline bool CheckSupported(const wxUILocale& loc, const char* desc)
{
#if defined(__WINDOWS__) || defined(__WXOSX__)
INFO(desc << " locale");
CHECK( loc.IsSupported() );
#else // Unix (not Darwin)
if ( !loc.IsSupported() )
{
WARN(desc << " locale not supported.");
return false;
}
#endif
return true;
}
TEST_CASE("wxUILocale::IsSupported", "[uilocale]")
{
CheckSupported(wxUILocale::FromTag("en"), "English");
CheckSupported(wxUILocale(wxLocaleIdent().Language("fr").Region("FR")), "French");
CHECK_FALSE( wxUILocale::FromTag("bloordyblop").IsSupported() );
CHECK_FALSE( wxUILocale::FromTag("xyz").IsSupported() );
}
TEST_CASE("wxUILocale::GetInfo", "[uilocale]")
{
CHECK( wxUILocale::FromTag("en").GetInfo(wxLOCALE_DECIMAL_POINT) == "." );
const wxUILocale locDE(wxUILocale::FromTag("de"));
if ( CheckSupported(locDE, "German") )
CHECK( locDE.GetInfo(wxLOCALE_DECIMAL_POINT) == "," );
// This one shows that "Swiss High German" locale (de_CH) correctly uses
// dot, and not comma, as decimal separator, even under macOS, where POSIX
// APIs use incorrect (identical to "German") definitions for this locale.
const wxUILocale locDE_CH(wxLocaleIdent().Language("de").Region("CH"));
if ( CheckSupported(locDE_CH, "Swiss German") )
CHECK( locDE_CH.GetInfo(wxLOCALE_DECIMAL_POINT) == "." );
}
// Just a small helper to make the test below shorter.
static inline wxString u8(const char* s) { return wxString::FromUTF8(s); }
TEST_CASE("wxUILocale::CompareStrings", "[uilocale]")
{
SECTION("English")
{
const wxUILocale l(wxUILocale::FromTag("en"));
// This is not very interesting, but check that comparison works at all.
CHECK( l.CompareStrings("x", "x") == 0 );
CHECK( l.CompareStrings("x", "y") == -1 );
CHECK( l.CompareStrings("z", "y") == +1 );
// Also check for some degenerate cases.
CHECK( l.CompareStrings("", "") == 0 );
CHECK( l.CompareStrings("", "a") == -1 );
// The rest of the tests won't work unless it's really English locale
// and not the default "C" one.
if ( !CheckSupported(l, "English") )
return;
// And for case handling.
CHECK( l.CompareStrings("a", "A") == -1 );
CHECK( l.CompareStrings("b", "A") == 1 );
CHECK( l.CompareStrings("B", "a") == 1 );
// Case insensitive comparison is not supported with POSIX APIs.
#if defined(__WINDOWS__) || defined(__WXOSX__)
CHECK( l.CompareStrings("a", "A", wxCompare_CaseInsensitive) == 0 );
#endif
}
SECTION("German")
{
const wxUILocale l(wxLocaleIdent().Language("de").Region("DE"));
if ( !CheckSupported(l, "German") )
return;
// This is more interesting and shows that CompareStrings() uses German
// dictionary rules (DIN 5007-1 variant 1).
CHECK( l.CompareStrings("a", u8("ä")) == -1 );
CHECK( l.CompareStrings(u8("ä"), "ae") == -1 );
#if defined(__WINDOWS__) || defined(__WXOSX__)
// CompareStringsEx() was only implemented correctly in Wine 7.10.
wxVersionInfo wineVer;
if ( wxIsRunningUnderWine(&wineVer) && !wineVer.AtLeast(7, 10) )
return;
CHECK( l.CompareStrings(u8("ß"), "ss", wxCompare_CaseInsensitive) == 0 );
#endif
}
SECTION("Swedish")
{
wxVersionInfo wineVer;
if ( wxIsRunningUnderWine(&wineVer) && !wineVer.AtLeast(7, 10) )
return;
const wxUILocale l(wxUILocale::FromTag("sv"));
if ( !CheckSupported(l, "Swedish") )
return;
// And this shows that sort order really depends on the language.
CHECK( l.CompareStrings(u8("ä"), "ae") == 1 );
CHECK( l.CompareStrings(u8("ö"), "z" ) == 1 );
}
}
// Small helper for making the test below more concise.
static void CheckTag(const wxString& tag)
{
CHECK( wxLocaleIdent::FromTag(tag).GetTag() == tag );
}
static wxString TagToPOSIX(const char* tag)
{
return wxLocaleIdent::FromTag(tag).GetTag(wxLOCALE_TAGTYPE_POSIX);
}
TEST_CASE("wxLocaleIdent::FromTag", "[uilocale][localeident]")
{
CheckTag("");
CheckTag("en");
CheckTag("en_US");
CheckTag("en_US.utf8");
CheckTag("English");
CheckTag("English_United States");
CheckTag("English_United States.utf8");
CHECK( TagToPOSIX("zh-Hans-CN") == "zh_CN" );
CHECK( TagToPOSIX("zh-Hant-TW") == "zh_TW");
CHECK( TagToPOSIX("sr-Latn-RS") == "sr_RS@latin");
CHECK( TagToPOSIX("sr-Cyrl-RS") == "sr_RS");
}
static wxString FindBestMatch(const wxVector<wxString>& desired, const wxVector<wxString>& supported)
{
return wxLocaleIdent::GetBestMatch(desired, supported);
}
TEST_CASE("wxLocaleIdent::GetBestMatch", "[uilocale][localeident]")
{
CHECK(FindBestMatch({ "en-AU" }, { "en-US", "en-NZ" }) == "en-NZ");
CHECK(FindBestMatch({ "pt-AO" }, { "pt-BR", "pt-PT" }) == "pt-PT");
CHECK(FindBestMatch({ "fr" }, { "fr-FR", "fr", "fr-CA", "en"}) == "fr");
CHECK(FindBestMatch({ "fr-FR" }, { "en", "fr", "fr-CA" }) == "fr");
CHECK(FindBestMatch({ "fr-FR" }, { "en", "fr-CA" }) == "fr-CA");
CHECK(FindBestMatch({ "fr" }, { "fr-CA", "fr-FR"}) == "fr-FR");
CHECK(FindBestMatch({ "fr-SN" }, { "fr-CA", "fr-FR" }) == "fr-FR");
CHECK(FindBestMatch({ "fr" }, { "de", "en", "it"}) == "");
// favor a more-default locale among equally imperfect matches
CHECK(FindBestMatch({ "fr-SN" }, { "fr-CA", "fr-CH", "fr-FR", "fr-GB"}) == "fr-FR");
CHECK(FindBestMatch({ "zh-TW" }, { "zh" }) == "");
CHECK(FindBestMatch({ "zh-HK" }, { "zh-Hant", "zh-TW" }) == "zh-TW");
// same language over exact, but distinguish when user is explicit
CHECK(FindBestMatch({ "ja", "de"}, {"fr", "en-GB", "ja", "es-ES", "ex-MX"}) == "ja");
CHECK(FindBestMatch({ "de-CH", "fr" }, { "en", "de", "fr", "ja" }) == "de");
CHECK(FindBestMatch({ "en", "nl" }, { "en-GB", "nl" }) == "en-GB");
CHECK(FindBestMatch({ "en", "nl", "en-GB"}, {"en-GB", "nl"}) == "en-GB");
// pick best maximized match
CHECK(FindBestMatch({ "ja-Jpan-JP", "ru" }, { "ja", "ja-Jpan", "ja-JP", "en", "ru"}) == "ja-Jpan");
CHECK(FindBestMatch({ "ja-Jpan", "ru" }, { "ja", "ja-Jpan", "ja-JP", "en", "ru" }) == "ja-Jpan");
// match on maximized tag
CHECK(FindBestMatch({ "ja-JP", "en-GB" }, { "fr", "en-GB", "ja", "es-ES", "es-MX" }) == "ja");
CHECK(FindBestMatch({ "ja-Jpan-JP", "en-GB" }, { "fr", "en-GB", "ja", "es-ES", "es-MX" }) == "ja");
// region distance German
CHECK(FindBestMatch({ "de" }, { "de-AT", "de-DE", "de-CH" }) == "de-DE");
// en-AU is closer to en-GB than to en (which is en-US)
CHECK(FindBestMatch({ "en-AU" }, { "en", "en-GB", "es-ES" }) == "en-GB");
// if no preferred locale specified, pick top language, not regional
CHECK(FindBestMatch({ "fr-US" }, { "en", "fr", "fr-CA", "fr-CH"}) == "fr");
// return most originally similar among likely-subtags equivalent locales
CHECK(FindBestMatch({ "af" }, { "af", "af-Latn", "af-Arab" }) == "af");
CHECK(FindBestMatch({ "af-ZA" }, { "af", "af-Latn", "af-Arab" }) == "af");
CHECK(FindBestMatch({ "af-Latn-ZA" }, { "af", "af-Latn", "af-Arab" }) == "af-Latn");
CHECK(FindBestMatch({ "af-Latn" }, { "af", "af-Latn", "af-Arab" }) == "af-Latn");
CHECK(FindBestMatch({ "nl" }, { "nl", "nl-NL", "nl-BE" }) == "nl");
CHECK(FindBestMatch({ "nl-Latn" }, { "nl", "nl-NL", "nl-BE" }) == "nl");
CHECK(FindBestMatch({ "nl-Latn-NL" }, { "nl", "nl-NL", "nl-BE" }) == "nl-NL");
CHECK(FindBestMatch({ "nl-NL" }, { "nl", "nl-NL", "nl-BE" }) == "nl-NL");
CHECK(FindBestMatch({ "nl" }, { "nl", "nl-Latn", "nl-NL", "nl-BE" }) == "nl");
CHECK(FindBestMatch({ "nl-Latn" }, { "nl", "nl-Latn", "nl-NL", "nl-BE" }) == "nl-Latn");
CHECK(FindBestMatch({ "nl-NL" }, { "nl", "nl-Latn", "nl-NL", "nl-BE" }) == "nl-NL");
CHECK(FindBestMatch({ "nl-Latn-NL" }, { "nl", "nl-Latn", "nl-NL", "nl-BE" }) == "nl-Latn");
// nearby languages: Danish matches no
CHECK(FindBestMatch({ "da" }, { "en", "no" }) == "no");
// nearby languages: Nynorsk to Bokmål
CHECK(FindBestMatch({ "nn" }, { "en", "nb" }) == "nb");
// nearby languages: Danish does not match nn
CHECK(FindBestMatch({ "da" }, { "en", "nn" }) == "");
// script fallbacks
CHECK(FindBestMatch({ "zh-Hant" }, { "zh-CN", "zh-TW" }) == "zh-TW");
CHECK(FindBestMatch({ "zh" }, { "zh-CN", "zh-TW" }) == "zh-CN");
CHECK(FindBestMatch({ "zh-Hans" }, { "zh-CN", "zh-TW" }) == "zh-CN");
CHECK(FindBestMatch({ "zh-Hans-CN" }, { "zh-CN", "zh-TW" }) == "zh-CN");
CHECK(FindBestMatch({ "zh-Hant-HK" }, { "zh-CN", "zh-TW" }) == "zh-TW");
CHECK(FindBestMatch({ "zh-Hans-DE" }, { "zh-CN", "zh-TW" }) == "zh-CN");
CHECK(FindBestMatch({ "zh-Hant-DE" }, { "zh-CN", "zh-TW" }) == "zh-TW");
// language-specific script fallbacks
CHECK(FindBestMatch({ "sr" }, { "en", "sr-Latn" }) == "sr-Latn");
CHECK(FindBestMatch({ "sr" }, { "en", "sr-Cyrl" }) == "sr-Cyrl");
CHECK(FindBestMatch({ "sr" }, { "en", "sr-Latn", "sr-Cyrl"}) == "sr-Cyrl");
CHECK(FindBestMatch({ "sr-Latn" }, { "en", "sr-Latn", "sr-Cyrl" }) == "sr-Latn");
CHECK(FindBestMatch({ "sr-Cyrl" }, { "en", "sr-Latn" }) == "sr-Latn");
CHECK(FindBestMatch({ "sr-Latn" }, { "en", "sr-Cyrl" }) == "sr-Cyrl");
CHECK(FindBestMatch({ "de", "en-US"}, {"fr", "en-GB", "ja", "es-ES", "es-MX"}) == "en-GB");
CHECK(FindBestMatch({ "de", "zh" }, { "fr", "en-GB", "ja", "es-ES", "es-MX" }) == "");
// match on maximized
CHECK(FindBestMatch({ "ja-JP", "en-GB" }, { "fr", "en-GB", "ja", "es-ES", "es-MX" }) == "ja");
CHECK(FindBestMatch({ "ja-Jpan-JP", "en-GB" }, { "fr", "en-GB", "ja", "es-ES", "es-MX" }) == "ja");
CHECK(FindBestMatch({ "zh", "en" }, { "fr", "zh-Hant", "en" }) == "en");
// close enough match on maximized
CHECK(FindBestMatch({ "de-CH", "fr" }, { "en-GB", "en", "de", "fr", "ja" }) == "de");
CHECK(FindBestMatch({ "en-US", "ar", "nl", "de", "ja" }, { "en-GB", "en", "de", "fr", "ja"}) == "en");
// best matches for Portuguese
CHECK(FindBestMatch({ "pt-PT", "es", "pt" }, { "pt-PT", "pt-BR", "es", "es-AR"}) == "pt-PT");
CHECK(FindBestMatch({ "pt-PT", "es", "pt" }, { "pt-PT", "pt", "es", "es-AR" }) == "pt-PT");
CHECK(FindBestMatch({ "pt-PT", "es", "pt" }, { "pt-BR", "es", "es-AR" }) == "pt-BR");
CHECK(FindBestMatch({ "pt", "es", "pt-PT" }, { "pt-PT", "pt-BR", "es", "es-AR" }) == "pt-BR");
CHECK(FindBestMatch({ "pt", "es", "pt-PT" }, { "pt-PT", "pt", "es", "es-AR" }) == "pt");
CHECK(FindBestMatch({ "pt", "es", "pt-PT" }, { "pt-BR", "es", "es-AR" }) == "pt-BR");
CHECK(FindBestMatch({ "pt-US", "pt-PT" }, { "pt-PT", "pt-BR", "es", "es-AR" }) == "pt-BR");
CHECK(FindBestMatch({ "pt-US", "pt-PT" }, { "pt-PT", "pt", "es", "es-AR" }) == "pt");
// regional specials
CHECK(FindBestMatch({ "en-AU" }, { "en", "en-GB", "es-ES", "es-AR" }) == "en-GB");
CHECK(FindBestMatch({ "es-MX" }, { "en", "en-GB", "es-ES", "es-AR" }) == "es-AR");
CHECK(FindBestMatch({ "es-PT" }, { "en", "en-GB", "es-ES", "es-AR" }) == "es-ES");
// best match for traditional chinese
CHECK(FindBestMatch({ "zh-TW" }, { "fr", "zh-Hans", "zh-Hans-CN", "en-US" }) == "");
CHECK(FindBestMatch({ "zh-Hant" }, { "fr", "zh-Hans", "zh-Hans-CN", "en-US" }) == "");
CHECK(FindBestMatch({ "zh-TW", "en" }, {"fr", "zh-Hans", "zh-Hans-CN", "en-US"}) == "en-US");
CHECK(FindBestMatch({ "zh-Hant-CN", "en" }, {"fr", "zh-Hans", "zh-Hans-CN", "en-US"}) == "en-US");
CHECK(FindBestMatch({ "zh-Hans", "en" }, {"fr", "zh-Hans", "zh-Hans-CN", "en-US"}) == "zh-Hans");
CHECK(FindBestMatch({ "zh-TW", "en" }, { "fr", "zh-Hans", "zh-Hans-CN", "zh-Hant", "en-US" }) == "zh-Hant");
CHECK(FindBestMatch({ "zh-Hant-CN", "en" }, { "fr", "zh-Hans", "zh-Hans-CN", "zh-Hant", "en-US" }) == "zh-Hant");
CHECK(FindBestMatch({ "zh-Hans", "en" }, { "fr", "zh-Hans", "zh-Hans-CN", "zh-Hant", "en-US" }) == "zh-Hans");
}
// Yet another helper for the test below.
static void CheckFindLanguage(const wxString& tag, const char* expected)
{
const wxLanguageInfo* const
info = wxUILocale::FindLanguageInfo(wxLocaleIdent::FromTag(tag));
if ( !expected )
{
if ( info )
FAIL_CHECK("Found " << info->CanonicalName << " for " << tag);
return;
}
else
{
if ( !info )
{
FAIL_CHECK("Not found for " << tag);
return;
}
}
CHECK( info->CanonicalName == expected );
}
TEST_CASE("wxUILocale::FindLanguageInfo", "[uilocale]")
{
CheckFindLanguage("", nullptr);
CheckFindLanguage("en", "en");
CheckFindLanguage("en_US", "en_US");
CheckFindLanguage("en_US.utf8", "en_US");
CheckFindLanguage("English", "en");
CheckFindLanguage("English_United States", "en_US");
CheckFindLanguage("English_United States.utf8", "en_US");
// Test tag that includes an explicit script
CheckFindLanguage("sr-Latn-RS", "sr_RS@latin");
// Test mixed locales: we should still detect the language correctly, even
// if we don't recognize the full locale.
CheckFindLanguage("en_FR", "en");
CheckFindLanguage("fr_DE", "fr");
}
// Test which can be used to check if the given locale tag is supported.
TEST_CASE("wxUILocale::FromTag", "[.]")
{
wxString tag;
if ( !wxGetEnv("WX_TEST_LOCALE_TAG", &tag) )
{
FAIL("Specify WX_TEST_LOCALE_TAG");
}
const wxLocaleIdent locId = wxLocaleIdent::FromTag(tag);
REQUIRE( !locId.IsEmpty() );
const wxUILocale loc(locId);
WARN("Locale \"" << tag << "\":\n"
"language:\t" << locId.GetLanguage() << "\n"
"region:\t" << locId.GetRegion() << "\n"
"script:\t" << locId.GetScript() << "\n"
"charset:\t" << locId.GetCharset() << "\n"
"modifier:\t" << locId.GetModifier() << "\n"
"extension:\t" << locId.GetExtension() << "\n"
"sort order:\t" << locId.GetSortorder() << "\n"
"supported:\t" << (loc.IsSupported() ? "yes" : "no"));
}
#ifdef TEST_INVALID_MSGID
// This is not a real test, its compilation should fail.
TEST_CASE("wxTranslations/msgid", "[.]")
{
wxString s = _(wxString::Format("Hello %s", "world"));
CHECK( s == "Hello world" );
}
#endif // TEST_INVALID_MSGID
namespace
{
const wxString GetLangName(int lang)
{
switch ( lang )
{
case wxLANGUAGE_DEFAULT:
return "DEFAULT";
case wxLANGUAGE_UNKNOWN:
return "UNKNOWN";
default:
return wxUILocale::GetLanguageName(lang);
}
}
wxString GetLocaleDesc(const char* when)
{
const wxUILocale& curloc = wxUILocale::GetCurrent();
const wxLocaleIdent locid = curloc.GetLocaleId();
// Make the output slightly more readable.
wxString decsep = curloc.GetInfo(wxLOCALE_DECIMAL_POINT);
if ( decsep == "." )
decsep = "point";
else if ( decsep == "," )
decsep = "comma";
else
decsep = wxString::Format("UNKNOWN (%s)", decsep);
return wxString::Format("%s\ncurrent locale:\t%s "
"(decimal separator: %s, date format=%s)",
when,
locid.IsEmpty() ? wxString("NONE") : locid.GetTag(),
decsep,
curloc.GetInfo(wxLOCALE_SHORT_DATE_FMT));
}
} // anonymous namespace
// Test to show information about the system locale and the effects of various
// ways to change the current locale.
TEST_CASE("wxUILocale::ShowSystem", "[.]")
{
WARN("System locale identifier:\t"
<< wxUILocale::GetSystemLocaleId().GetTag() << "\n"
"System locale as language:\t"
<< GetLangName(wxUILocale::GetSystemLocale()) << "\n"
"System language identifier:\t"
<< GetLangName(wxUILocale::GetSystemLanguage()));
WARN(GetLocaleDesc("Before calling any locale functions"));
wxLocale locDef;
CHECK( locDef.Init(wxLANGUAGE_DEFAULT, wxLOCALE_DONT_LOAD_DEFAULT) );
WARN(GetLocaleDesc("After wxLocale::Init(wxLANGUAGE_DEFAULT)"));
CHECK( wxUILocale::UseDefault() );
WARN(GetLocaleDesc("After wxUILocale::UseDefault()"));
wxString preferredLangsStr;
const auto preferredLangs = wxUILocale::GetPreferredUILanguages();
for (const auto& lang: preferredLangs)
{
if ( !preferredLangsStr.empty() )
preferredLangsStr += ", ";
preferredLangsStr += lang;
}
WARN("Preferred UI languages:\n" << preferredLangsStr);
}
#endif // wxUSE_INTL