136 lines
4.4 KiB
Java
136 lines
4.4 KiB
Java
/*
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* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6665028
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* @summary verify that the memory corruption doesn't happen. Note
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* that this test case fails without the fix in some different ways,
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* including timeout, due to the memory corruption.
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* @build Bug6665028
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* @run main/othervm -Xmx16m Bug6665028 10
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*/
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import java.awt.font.TextAttribute;
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import java.text.AttributedString;
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import java.text.Bidi;
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// test1() and test2() were derived from BidiEmbeddingTest.
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// Usage: java Bug6665028 [duration]
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public class Bug6665028 {
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private static boolean runrun = true;
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private static class Test extends Thread {
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public void run() {
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while (runrun) {
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test1();
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test2();
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}
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}
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}
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public static void main(String[] args) {
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int duration = 45;
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if (args.length == 1) {
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duration = Math.max(1, Math.min(Integer.parseInt(args[0]), 45));
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}
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Test[] tests = new Test[4];
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for (int i = 0; i < tests.length; i++) {
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Test t = new Test();
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tests[i] = t;
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t.start();
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}
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try {
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Thread.sleep(duration * 1000);
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} catch (InterruptedException e) {
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}
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runrun = false;
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for (int i = 0; i < tests.length; i++) {
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try {
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tests[i].join();
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} catch (InterruptedException e) {
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}
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}
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}
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static String target;
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static {
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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. ";
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < 1000; i++) {
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sb.append(s);
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}
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target = sb.toString();
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}
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static void test1() {
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String str = "If this text is >" + target + "< the test passed.";
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int start = str.indexOf(target);
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int limit = start + target.length();
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AttributedString astr = new AttributedString(str);
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astr.addAttribute(TextAttribute.BIDI_EMBEDDING,
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new Integer(-1),
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start,
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limit);
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Bidi bidi = new Bidi(astr.getIterator());
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byte[] embs = new byte[str.length() + 3];
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for (int i = start + 1; i < limit + 1; ++i) {
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embs[i] = -1;
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}
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Bidi bidi2 = new Bidi(str.toCharArray(), 0, embs, 1, str.length(), Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT);
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if (bidi.getRunCount() != 3 || bidi2.getRunCount() != 3) {
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throw new Error("Bidi run count incorrect");
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}
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}
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static void test2() {
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String str = "If this text is >" + target + "< the test passed.";
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int length = str.length();
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int start = str.indexOf(target);
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int limit = start + target.length();
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AttributedString astr = new AttributedString(str);
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astr.addAttribute(TextAttribute.RUN_DIRECTION, TextAttribute.RUN_DIRECTION_RTL);
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astr.addAttribute(TextAttribute.BIDI_EMBEDDING,
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new Integer(-3),
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start,
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limit);
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Bidi bidi = new Bidi(astr.getIterator());
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if (bidi.getRunCount() != 6) { // runs of spaces and angles at embedding bound,s and final period, each get level 1
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throw new Error("Bidi embedding processing failed");
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}
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}
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}
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