/**
* @covers PKPLocale
*/
public function testGetLocaleFrom3LetterIso()
{
// A locale that does not have to be disambiguated.
self::assertEquals('en_US', AppLocale::getLocaleFrom3LetterIso('eng'));
// The primary locale will be used if that helps
// to disambiguate.
AppLocale::setSupportedLocales(array('en_US' => 'English', 'pt_BR' => 'Portuguese (Brazil)', 'pt_PT' => 'Portuguese (Portugal)'));
AppLocale::setPrimaryLocale('pt_BR');
self::assertEquals('pt_BR', AppLocale::getLocaleFrom3LetterIso('por'));
AppLocale::setPrimaryLocale('pt_PT');
self::assertEquals('pt_PT', AppLocale::getLocaleFrom3LetterIso('por'));
// If the primary locale doesn't help then use the first supported locale found.
AppLocale::setPrimaryLocale('en_US');
self::assertEquals('pt_BR', AppLocale::getLocaleFrom3LetterIso('por'));
AppLocale::setSupportedLocales(array('en_US' => 'English', 'pt_PT' => 'Portuguese (Portugal)', 'pt_BR' => 'Portuguese (Brazil)'));
self::assertEquals('pt_PT', AppLocale::getLocaleFrom3LetterIso('por'));
// If the locale isn't even in the supported localse then use the first locale found.
AppLocale::setSupportedLocales(array('en_US' => 'English'));
self::assertEquals('pt_PT', AppLocale::getLocaleFrom3LetterIso('por'));
// Unknown language.
self::assertNull(AppLocale::getLocaleFrom3LetterIso('xxx'));
}