138 lines
5.1 KiB
Java
138 lines
5.1 KiB
Java
/*
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* Copyright (c) 2008, 2016, 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 4396492 4396496 4778510 6850113
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* @summary verify that the embedding values processed by the bidi code use negative values to
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* indicate overrides, rather than using bit 7. Also tests Bidi without loading awt classes to
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* confirm that Bidi can be used without awt. Verify that embedding level 0 is properly mapped
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* to the base embedding level.
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* @modules java.desktop
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*/
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import java.awt.Color;
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import java.awt.Frame;
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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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public class BidiEmbeddingTest {
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public static void main(String[] args) {
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// to regress embedding test against old fix, call with an arg. A window will pop
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// up causing awt lib to be loaded so the vm won't die with the unsatisfied link error.
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if (args.length > 0) {
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Frame f = new Frame();
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f.setSize(300, 300);
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f.setBackground(Color.white);
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f.show();
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}
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test1();
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test2();
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}
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static void test1() {
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String target = "BACK WARDS";
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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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System.out.println("start: " + start + " limit: " + limit);
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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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for (int i = 0; i < bidi.getRunCount(); ++i) {
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System.out.println("run " + i +
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" from " + bidi.getRunStart(i) +
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" to " + bidi.getRunLimit(i) +
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" at level " + bidi.getRunLevel(i));
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}
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System.out.println(bidi);
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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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for (int i = 0; i < bidi2.getRunCount(); ++i) {
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System.out.println("run " + i +
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" from " + bidi2.getRunStart(i) +
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" to " + bidi2.getRunLimit(i) +
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" at level " + bidi2.getRunLevel(i));
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}
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System.out.println(bidi2 + "\n");
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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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} else {
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System.out.println("test1() passed.\n");
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}
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}
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// make sure BIDI_EMBEDDING values of 0 are mapped to base run direction, instead of flagging an error.
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static void test2() {
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String target = "BACK WARDS";
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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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System.out.println("start: " + start + " limit: " + limit);
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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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for (int i = 0; i < bidi.getRunCount(); ++i) {
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System.out.println("run " + i +
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" from " + bidi.getRunStart(i) +
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" to " + bidi.getRunLimit(i) +
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" at level " + bidi.getRunLevel(i));
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}
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System.out.println(bidi + "\n");
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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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} else {
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System.out.println("test2() passed.\n");
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}
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}
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}
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