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/*
* This file is available under and governed by the GNU General Public
* License version 2 only , as published by the Free Software Foundation .
* However , the following notice accompanied the original version of this
* file :
*
* Copyright ( c ) 2007 - 2012 , Stephen Colebourne & Michael Nascimento Santos
*
* All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions are met :
*
* * Redistributions of source code must retain the above copyright notice ,
* this list of conditions and the following disclaimer .
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* this list of conditions and the following disclaimer in the documentation
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* may be used to endorse or promote products derived from this software
* without specific prior written permission .
*
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* " AS IS " AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT
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*/
package test.java.time;
import static org.testng.Assert .assertEquals;
import static org.testng.Assert .assertSame;
import static org.testng.Assert .assertTrue;
import java.time.Clock;
import java.time.LocalTime;
import org.testng.annotations.Test;
/**
* Test LocalTime .
*/
@Test
public class TestLocalTime extends AbstractTest {
static final long NANOS_PER_SECOND = 1 _000 _000 _000 L;
static final long NANOS_PER_MINUTE = 60 * NANOS_PER_SECOND;
static final long NANOS_PER_DAY = 24 * 60 * NANOS_PER_MINUTE;
//-----------------------------------------------------------------------
@Test
public void test_immutable() {
assertImmutable(LocalTime.class );
}
//-----------------------------------------------------------------------
private void check(LocalTime time, int h, int m, int s, int n) {
assertEquals(time.getHour(), h);
assertEquals(time.getMinute(), m);
assertEquals(time.getSecond(), s);
assertEquals(time.getNano(), n);
}
//-----------------------------------------------------------------------
@Test
public void constant_MIDNIGHT() {
check(LocalTime.MIDNIGHT, 0 , 0 , 0 , 0 );
}
@Test
public void constant_MIDNIGHT_same() {
assertSame(LocalTime.MIDNIGHT, LocalTime.MIDNIGHT);
assertSame(LocalTime.MIDNIGHT, LocalTime.of(0 , 0 ));
}
@Test
public void constant_MIDDAY() {
check(LocalTime.NOON, 12 , 0 , 0 , 0 );
}
@Test
public void constant_MIDDAY_same() {
assertSame(LocalTime.NOON, LocalTime.NOON);
assertSame(LocalTime.NOON, LocalTime.of(12 , 0 ));
}
//-----------------------------------------------------------------------
@Test
public void constant_MIN_TIME() {
check(LocalTime.MIN, 0 , 0 , 0 , 0 );
}
@Test
public void constant_MIN_TIME_same() {
assertSame(LocalTime.MIN, LocalTime.of(0 , 0 ));
}
@Test
public void constant_MAX_TIME() {
check(LocalTime.MAX, 23 , 59 , 59 , 999999999 );
}
@Test
public void constant_MAX_TIME_same() {
assertSame(LocalTime.NOON, LocalTime.NOON);
assertSame(LocalTime.NOON, LocalTime.of(12 , 0 ));
}
@Test
public void factory_time_2ints_singletons() {
for (int i = 0 ; i < 24 ; i++) {
LocalTime test1 = LocalTime.of(i, 0 );
LocalTime test2 = LocalTime.of(i, 0 );
assertSame(test1, test2);
}
}
@Test
public void factory_time_3ints_singletons() {
for (int i = 0 ; i < 24 ; i++) {
LocalTime test1 = LocalTime.of(i, 0 , 0 );
LocalTime test2 = LocalTime.of(i, 0 , 0 );
assertSame(test1, test2);
}
}
@Test
public void factory_time_4ints_singletons() {
for (int i = 0 ; i < 24 ; i++) {
LocalTime test1 = LocalTime.of(i, 0 , 0 , 0 );
LocalTime test2 = LocalTime.of(i, 0 , 0 , 0 );
assertSame(test1, test2);
}
}
@Test
public void factory_ofSecondOfDay_singletons() {
for (int i = 0 ; i < 24 ; i++) {
LocalTime test1 = LocalTime.ofSecondOfDay(i * 60 L * 60 L);
LocalTime test2 = LocalTime.of(i, 0 );
assertSame(test1, test2);
}
}
@Test
public void factory_ofNanoOfDay_singletons() {
for (int i = 0 ; i < 24 ; i++) {
LocalTime test1 = LocalTime.ofNanoOfDay(i * 1000000000 L * 60 L * 60 L);
LocalTime test2 = LocalTime.of(i, 0 );
assertSame(test1, test2);
}
}
//-----------------------------------------------------------------------
// now()
//-----------------------------------------------------------------------
@Test
@SuppressWarnings("unused" )
public void now() {
// Warmup the TimeZone data so the following test does not include
// one-time initialization
LocalTime.now(Clock.systemDefaultZone());
long diff = Integer.MAX_VALUE;
for (int i = 0 ; i < 2 ; i++) {
LocalTime expected = LocalTime.now(Clock.systemDefaultZone());
LocalTime test = LocalTime.now();
diff = test.toNanoOfDay() - expected.toNanoOfDay();
// Normalize for wrap-around midnight
diff = Math.floorMod(NANOS_PER_DAY + diff, NANOS_PER_DAY);
if (diff < 100000000 ) {
break ;
}
// A second iteration may be needed if the clock changed
// due to a DST change between the two calls to now.
}
assertTrue(diff < 100000000 , // less than 0.1 sec
"LocalTime.now vs LocalTime.now(Clock.systemDefaultZone()) not close" );
}
}
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