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root/jsr166/jsr166/src/test/jtreg/util/TreeMap/SubMapClear.java
Revision: 1.4
Committed: Mon Jan 8 03:12:03 2018 UTC (6 years, 4 months ago) by jsr166
Branch: MAIN
CVS Tags: HEAD
Changes since 1.3: +3 -1 lines
Log Message:
organize imports

File Contents

# Content
1 /*
2 * Copyright (c) 2001, 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 4468802
27 * @summary Submap clear tickled a bug in an optimization suggested by
28 * Prof. William Collins (Lafayette College)
29 * @author Josh Bloch
30 */
31
32 import java.util.Set;
33 import java.util.SortedSet;
34 import java.util.TreeSet;
35
36 public class SubMapClear {
37 public static void main(String[] args) {
38 SortedSet treeSet = new TreeSet();
39 for (int i = 1; i <=10; i++)
40 treeSet.add(new Integer(i));
41 Set subSet = treeSet.subSet(new Integer(4),new Integer(10));
42 subSet.clear(); // Used to throw exception
43
44 int[] a = { 1, 2, 3, 10 };
45 Set s = new TreeSet();
46 for (int i = 0; i < a.length; i++)
47 s.add(new Integer(a[i]));
48 if (!treeSet.equals(s))
49 throw new RuntimeException(treeSet.toString());
50 }
51 }