1 /*
2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import java.util.ArrayList;
25 import java.util.Arrays;
26 import java.util.Collection;
27 import java.util.HashMap;
28 import java.util.HashSet;
29 import java.util.LinkedHashMap;
30 import java.util.LinkedHashSet;
31 import java.util.List;
32 import java.util.Map;
33 import java.util.stream.LongStream;
34
35 /*
36 * @test
37 * @summary HashMap.toArray() behavior tests
38 * @author tvaleev
39 */
40 public class ToArray {
41 public static void main(String[] args) {
42 checkMap(false);
43 checkMap(true);
44 checkSet(false);
45 checkSet(true);
46 }
47
48 private static <T extends Comparable<T>> void checkToArray(String message, T[] expected, Collection<T> collection,
49 boolean ignoreOrder) {
50 if (ignoreOrder) {
51 Arrays.sort(expected);
52 }
53 checkToObjectArray(message, expected, collection, ignoreOrder);
54 checkToTypedArray(message, expected, Arrays.copyOf(expected, 0), collection, ignoreOrder);
55 checkToTypedArray(message, expected, expected.clone(), collection, ignoreOrder);
56 if (expected.length > 0) {
57 T[] biggerArray = Arrays.copyOf(expected, expected.length * 2);
58 System.arraycopy(expected, 0, biggerArray, expected.length, expected.length);
59 checkToTypedArray(message, expected, biggerArray, collection, ignoreOrder);
60 }
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1 /*
2 * Copyright (c) 2019, 2024, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import java.util.ArrayList;
25 import java.util.Arrays;
26 import java.util.Collection;
27 import java.util.HashMap;
28 import java.util.HashSet;
29 import java.util.LinkedHashMap;
30 import java.util.LinkedHashSet;
31 import java.util.List;
32 import java.util.Map;
33 import java.util.stream.LongStream;
34
35 /*
36 * @test
37 * @bug 8336669
38 * @summary HashMap.toArray() behavior tests
39 * @author tvaleev
40 */
41 public class ToArray {
42 // An interned identity class holding an int (like non-Preview Integer)
43 record Int(int intValue) implements Comparable<Int> {
44 @Override
45 public int compareTo(Int o) {
46 return Integer.compare(intValue, o.intValue);
47 }
48 }
49
50 public static void main(String[] args) {
51 checkMap(false);
52 checkMap(true);
53 checkSet(false);
54 checkSet(true);
55 }
56
57 private static <T extends Comparable<T>> void checkToArray(String message, T[] expected, Collection<T> collection,
58 boolean ignoreOrder) {
59 if (ignoreOrder) {
60 Arrays.sort(expected);
61 }
62 checkToObjectArray(message, expected, collection, ignoreOrder);
63 checkToTypedArray(message, expected, Arrays.copyOf(expected, 0), collection, ignoreOrder);
64 checkToTypedArray(message, expected, expected.clone(), collection, ignoreOrder);
65 if (expected.length > 0) {
66 T[] biggerArray = Arrays.copyOf(expected, expected.length * 2);
67 System.arraycopy(expected, 0, biggerArray, expected.length, expected.length);
68 checkToTypedArray(message, expected, biggerArray, collection, ignoreOrder);
69 }
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