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package org . springframework . context . i18n ;

import java . util . Locale ;

import java . util . TimeZone ;

import org . junit . jupiter . api . Test ;

import static org . assertj . core . api . Assertions . assertThat ;

/**

* @author Juergen Hoeller

class LocaleContextHolderTests {

@ Test

void testSetLocaleContext () {

LocaleContext lc = new SimpleLocaleContext ( Locale . GERMAN );

LocaleContextHolder . setLocaleContext ( lc );

assertThat ( LocaleContextHolder . getLocaleContext ()). isSameAs ( lc );

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . GERMAN );

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getDefault ());

lc = new SimpleLocaleContext ( Locale . GERMANY );

LocaleContextHolder . setLocaleContext ( lc );

assertThat ( LocaleContextHolder . getLocaleContext ()). isSameAs ( lc );

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . GERMANY );

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getDefault ());

LocaleContextHolder . resetLocaleContext ();

assertThat ( LocaleContextHolder . getLocaleContext ()). isNull ();

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . getDefault ());

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getDefault ());

}

@ Test

void testSetTimeZoneAwareLocaleContext () {

LocaleContext lc = new SimpleTimeZoneAwareLocaleContext ( Locale . GERMANY , TimeZone . getTimeZone ( "GMT+1" ));

LocaleContextHolder . setLocaleContext ( lc );

assertThat ( LocaleContextHolder . getLocaleContext ()). isSameAs ( lc );

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . GERMANY );

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+1" ));

LocaleContextHolder . resetLocaleContext ();

assertThat ( LocaleContextHolder . getLocaleContext ()). isNull ();

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . getDefault ());

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getDefault ());

}

@ Test

void testSetLocale () {

LocaleContextHolder . setLocale ( Locale . GERMAN );

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . GERMAN );

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getDefault ());

boolean condition1 = LocaleContextHolder . getLocaleContext () instanceof TimeZoneAwareLocaleContext ;

assertThat ( condition1 ). isFalse ();

assertThat ( LocaleContextHolder . getLocaleContext (). getLocale ()). isEqualTo ( Locale . GERMAN );

LocaleContextHolder . setLocale ( Locale . GERMANY );

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . GERMANY );

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getDefault ());

boolean condition = LocaleContextHolder . getLocaleContext () instanceof TimeZoneAwareLocaleContext ;

assertThat ( condition ). isFalse ();

assertThat ( LocaleContextHolder . getLocaleContext (). getLocale ()). isEqualTo ( Locale . GERMANY );

LocaleContextHolder . setLocale ( null );

assertThat ( LocaleContextHolder . getLocaleContext ()). isNull ();

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . getDefault ());

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getDefault ());

LocaleContextHolder . setDefaultLocale ( Locale . GERMAN );

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . GERMAN );

LocaleContextHolder . setDefaultLocale ( null );

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . getDefault ());

}

@ Test

void testSetTimeZone () {

LocaleContextHolder . setTimeZone ( TimeZone . getTimeZone ( "GMT+1" ));

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . getDefault ());

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+1" ));

boolean condition1 = LocaleContextHolder . getLocaleContext () instanceof TimeZoneAwareLocaleContext ;

assertThat ( condition1 ). isTrue ();

assertThat ( LocaleContextHolder . getLocaleContext (). getLocale ()). isNull ();

assertThat ((( TimeZoneAwareLocaleContext ) LocaleContextHolder . getLocaleContext ()). getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+1" ));

LocaleContextHolder . setTimeZone ( TimeZone . getTimeZone ( "GMT+2" ));

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . getDefault ());

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+2" ));

boolean condition = LocaleContextHolder . getLocaleContext () instanceof TimeZoneAwareLocaleContext ;

assertThat ( condition ). isTrue ();

assertThat ( LocaleContextHolder . getLocaleContext (). getLocale ()). isNull ();

assertThat ((( TimeZoneAwareLocaleContext ) LocaleContextHolder . getLocaleContext ()). getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+2" ));

LocaleContextHolder . setTimeZone ( null );

assertThat ( LocaleContextHolder . getLocaleContext ()). isNull ();

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . getDefault ());

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getDefault ());

LocaleContextHolder . setDefaultTimeZone ( TimeZone . getTimeZone ( "GMT+1" ));

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+1" ));

LocaleContextHolder . setDefaultTimeZone ( null );

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getDefault ());

}

@ Test

void testSetLocaleAndSetTimeZoneMixed () {

LocaleContextHolder . setLocale ( Locale . GERMANY );

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . GERMANY );

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getDefault ());

boolean condition5 = LocaleContextHolder . getLocaleContext () instanceof TimeZoneAwareLocaleContext ;

assertThat ( condition5 ). isFalse ();

assertThat ( LocaleContextHolder . getLocaleContext (). getLocale ()). isEqualTo ( Locale . GERMANY );

LocaleContextHolder . setTimeZone ( TimeZone . getTimeZone ( "GMT+1" ));

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . GERMANY );

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+1" ));

boolean condition3 = LocaleContextHolder . getLocaleContext () instanceof TimeZoneAwareLocaleContext ;

assertThat ( condition3 ). isTrue ();

assertThat ( LocaleContextHolder . getLocaleContext (). getLocale ()). isEqualTo ( Locale . GERMANY );

assertThat ((( TimeZoneAwareLocaleContext ) LocaleContextHolder . getLocaleContext ()). getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+1" ));

LocaleContextHolder . setLocale ( Locale . GERMAN );

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . GERMAN );

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+1" ));

boolean condition2 = LocaleContextHolder . getLocaleContext () instanceof TimeZoneAwareLocaleContext ;

assertThat ( condition2 ). isTrue ();

assertThat ( LocaleContextHolder . getLocaleContext (). getLocale ()). isEqualTo ( Locale . GERMAN );

assertThat ((( TimeZoneAwareLocaleContext ) LocaleContextHolder . getLocaleContext ()). getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+1" ));

LocaleContextHolder . setTimeZone ( null );

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . GERMAN );

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getDefault ());

boolean condition4 = LocaleContextHolder . getLocaleContext () instanceof TimeZoneAwareLocaleContext ;

assertThat ( condition4 ). isFalse ();

assertThat ( LocaleContextHolder . getLocaleContext (). getLocale ()). isEqualTo ( Locale . GERMAN );

LocaleContextHolder . setTimeZone ( TimeZone . getTimeZone ( "GMT+2" ));

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . GERMAN );

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+2" ));

boolean condition1 = LocaleContextHolder . getLocaleContext () instanceof TimeZoneAwareLocaleContext ;

assertThat ( condition1 ). isTrue ();

assertThat ( LocaleContextHolder . getLocaleContext (). getLocale ()). isEqualTo ( Locale . GERMAN );

assertThat ((( TimeZoneAwareLocaleContext ) LocaleContextHolder . getLocaleContext ()). getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+2" ));

LocaleContextHolder . setLocale ( null );

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . getDefault ());

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+2" ));

boolean condition = LocaleContextHolder . getLocaleContext () instanceof TimeZoneAwareLocaleContext ;

assertThat ( condition ). isTrue ();

assertThat ( LocaleContextHolder . getLocaleContext (). getLocale ()). isNull ();

assertThat ((( TimeZoneAwareLocaleContext ) LocaleContextHolder . getLocaleContext ()). getTimeZone ()). isEqualTo ( TimeZone . getTimeZone ( "GMT+2" ));

LocaleContextHolder . setTimeZone ( null );

assertThat ( LocaleContextHolder . getLocale ()). isEqualTo ( Locale . getDefault ());

assertThat ( LocaleContextHolder . getTimeZone ()). isEqualTo ( TimeZone . getDefault ());

assertThat ( LocaleContextHolder . getLocaleContext ()). isNull ();

}