1 /*
2 * Copyright (c) 2016, 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 /**
25 * @test
26 * @bug 8149330 8218227
27 * @summary Capacity should not get close to Integer.MAX_VALUE unless
28 * necessary
29 * @requires os.maxMemory >= 6G
30 * @run main/othervm -Xms5G -Xmx5G HugeCapacity
31 * @ignore This test has huge memory requirements
32 */
33
34 public class HugeCapacity {
35 private static int failures = 0;
36
37 public static void main(String[] args) {
38 testLatin1();
39 testUtf16();
40 testHugeInitialString();
41 testHugeInitialCharSequence();
42 if (failures > 0) {
43 throw new RuntimeException(failures + " tests failed");
44 }
45 }
46
47 private static void testLatin1() {
48 try {
49 StringBuilder sb = new StringBuilder();
50 sb.ensureCapacity(Integer.MAX_VALUE / 2);
51 sb.ensureCapacity(Integer.MAX_VALUE / 2 + 1);
|
1 /*
2 * Copyright (c) 2016, 2020, 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 /**
25 * @test
26 * @bug 8149330 8218227
27 * @summary Capacity should not get close to Integer.MAX_VALUE unless
28 * necessary
29 * @requires os.maxMemory >= 6G
30 * @run main/othervm -Xms5G -Xmx5G HugeCapacity
31 */
32
33 public class HugeCapacity {
34 private static int failures = 0;
35
36 public static void main(String[] args) {
37 testLatin1();
38 testUtf16();
39 testHugeInitialString();
40 testHugeInitialCharSequence();
41 if (failures > 0) {
42 throw new RuntimeException(failures + " tests failed");
43 }
44 }
45
46 private static void testLatin1() {
47 try {
48 StringBuilder sb = new StringBuilder();
49 sb.ensureCapacity(Integer.MAX_VALUE / 2);
50 sb.ensureCapacity(Integer.MAX_VALUE / 2 + 1);
|