| /* |
| * Copyright (c) 2007, 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 6665028 |
| * @summary verify that the memory corruption doesn't happen. Note |
| * that this test case fails without the fix in some different ways, |
| * including timeout, due to the memory corruption. |
| * @build Bug6665028 |
| * @run main/othervm/timeout=60 -Xmx16m Bug6665028 |
| */ |
| |
| import java.awt.font.TextAttribute; |
| import java.text.AttributedString; |
| import java.text.Bidi; |
| |
| // test1() and test2() were derived from BidiEmbeddingTest. |
| public class Bug6665028 { |
| |
| private static boolean runrun = true; |
| |
| private static class Test extends Thread { |
| public void run() { |
| while (runrun) { |
| test1(); |
| test2(); |
| } |
| } |
| } |
| |
| public static void main(String[] args) { |
| Test[] tests = new Test[4]; |
| for (int i = 0; i < tests.length; i++) { |
| Test t = new Test(); |
| tests[i] = t; |
| t.start(); |
| } |
| |
| try { |
| Thread.sleep(45000); |
| } catch (InterruptedException e) { |
| } |
| |
| runrun = false; |
| |
| for (int i = 0; i < tests.length; i++) { |
| try { |
| tests[i].join(); |
| } catch (InterruptedException e) { |
| } |
| } |
| } |
| |
| static String target; |
| static { |
| String s = "A Bidi object provides information on the bidirectional reordering of the text used to create it. This is required, for example, to properly display Arabic or Hebrew text. "; |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < 1000; i++) { |
| sb.append(s); |
| } |
| target = sb.toString(); |
| } |
| |
| static void test1() { |
| String str = "If this text is >" + target + "< the test passed."; |
| int start = str.indexOf(target); |
| int limit = start + target.length(); |
| |
| AttributedString astr = new AttributedString(str); |
| astr.addAttribute(TextAttribute.BIDI_EMBEDDING, |
| new Integer(-1), |
| start, |
| limit); |
| |
| Bidi bidi = new Bidi(astr.getIterator()); |
| |
| byte[] embs = new byte[str.length() + 3]; |
| for (int i = start + 1; i < limit + 1; ++i) { |
| embs[i] = -1; |
| } |
| |
| Bidi bidi2 = new Bidi(str.toCharArray(), 0, embs, 1, str.length(), Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT); |
| if (bidi.getRunCount() != 3 || bidi2.getRunCount() != 3) { |
| throw new Error("Bidi run count incorrect"); |
| } |
| } |
| |
| static void test2() { |
| String str = "If this text is >" + target + "< the test passed."; |
| int length = str.length(); |
| int start = str.indexOf(target); |
| int limit = start + target.length(); |
| |
| AttributedString astr = new AttributedString(str); |
| astr.addAttribute(TextAttribute.RUN_DIRECTION, TextAttribute.RUN_DIRECTION_RTL); |
| |
| astr.addAttribute(TextAttribute.BIDI_EMBEDDING, |
| new Integer(-3), |
| start, |
| limit); |
| |
| Bidi bidi = new Bidi(astr.getIterator()); |
| |
| if (bidi.getRunCount() != 6) { // runs of spaces and angles at embedding bound,s and final period, each get level 1 |
| throw new Error("Bidi embedding processing failed"); |
| } |
| } |
| } |