/*
* Copyright ( c ) 2016 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
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* questions .
*/
/**
* @ test
* @ bug 8155600
* @ summary Tests for Arrays . asList ( )
* @ run testng AsList
*/
import java.util.Arrays;
import java.util.Iterator;
import java.util.NoSuchElementException;
import java.util.stream.IntStream;
import org.testng.annotations.Test;
import org.testng.annotations.DataProvider;
import static org.testng.Assert .assertSame;
import static org.testng.Assert .assertTrue;
import static org.testng.Assert .assertFalse;
import static org.testng.Assert .fail;
public class AsList {
/*
* Iterator contract test
*/
@Test(dataProvider = "Arrays" )
public void testIterator(Object[] array) {
Iterator<Object> itr = Arrays.asList(array).iterator();
for (int i = 0 ; i < array.length; i++) {
assertTrue(itr.hasNext());
assertTrue(itr.hasNext()); // must be idempotent
assertSame(array[i], itr.next());
try {
itr.remove();
fail("Remove must throw" );
} catch (UnsupportedOperationException ex) {
// expected
}
}
assertFalse(itr.hasNext());
for (int i = 0 ; i < 3 ; i++) {
assertFalse(itr.hasNext());
try {
itr.next();
fail("Next succeed when there's no data left" );
} catch (NoSuchElementException ex) {
// expected
}
}
}
@DataProvider(name = "Arrays" )
public static Object[][] arrays() {
Object[][] arrays = {
{ new Object[] { } },
{ new Object[] { 1 } },
{ new Object[] { null } },
{ new Object[] { null , 1 } },
{ new Object[] { 1 , null } },
{ new Object[] { null , null } },
{ new Object[] { null , 1 , 2 } },
{ new Object[] { 1 , null , 2 } },
{ new Object[] { 1 , 2 , null } },
{ new Object[] { null , null , null } },
{ new Object[] { 1 , 2 , 3 , null , 4 } },
{ new Object[] { "a" , "a" , "a" , "a" } },
{ IntStream.range(0 , 100 ).boxed().toArray() }
};
return arrays;
}
}
Messung V0.5 in Prozent C=96 H=91 G=93
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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