1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93
|
/*
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* 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;
}
}
|