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/*
* Copyright (c) 2008, 2016, 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 4396492 4396496 4778510 6850113
* @summary verify that the embedding values processed by the bidi code use negative values to
* indicate overrides, rather than using bit 7. Also tests Bidi without loading awt classes to
* confirm that Bidi can be used without awt. Verify that embedding level 0 is properly mapped
* to the base embedding level.
* @modules java.desktop
*/
import java.awt.Color;
import java.awt.Frame;
import java.awt.font.TextAttribute;
import java.text.AttributedString;
import java.text.Bidi;
public class BidiEmbeddingTest {
public static void main(String[] args) {
// to regress embedding test against old fix, call with an arg. A window will pop
// up causing awt lib to be loaded so the vm won't die with the unsatisfied link error.
if (args.length > 0) {
Frame f = new Frame();
f.setSize(300, 300);
f.setBackground(Color.white);
f.show();
}
test1();
test2();
}
static void test1() {
String target = "BACK WARDS";
String str = "If this text is >" + target + "< the test passed.";
int start = str.indexOf(target);
int limit = start + target.length();
System.out.println("start: " + start + " limit: " + limit);
AttributedString astr = new AttributedString(str);
astr.addAttribute(TextAttribute.BIDI_EMBEDDING,
new Integer(-1),
start,
limit);
Bidi bidi = new Bidi(astr.getIterator());
for (int i = 0; i < bidi.getRunCount(); ++i) {
System.out.println("run " + i +
" from " + bidi.getRunStart(i) +
" to " + bidi.getRunLimit(i) +
" at level " + bidi.getRunLevel(i));
}
System.out.println(bidi);
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);
for (int i = 0; i < bidi2.getRunCount(); ++i) {
System.out.println("run " + i +
" from " + bidi2.getRunStart(i) +
" to " + bidi2.getRunLimit(i) +
" at level " + bidi2.getRunLevel(i));
}
System.out.println(bidi2 + "\n");
if (bidi.getRunCount() != 3 || bidi2.getRunCount() != 3) {
throw new Error("Bidi run count incorrect");
} else {
System.out.println("test1() passed.\n");
}
}
// make sure BIDI_EMBEDDING values of 0 are mapped to base run direction, instead of flagging an error.
static void test2() {
String target = "BACK WARDS";
String str = "If this text is >" + target + "< the test passed.";
int length = str.length();
int start = str.indexOf(target);
int limit = start + target.length();
System.out.println("start: " + start + " limit: " + limit);
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());
for (int i = 0; i < bidi.getRunCount(); ++i) {
System.out.println("run " + i +
" from " + bidi.getRunStart(i) +
" to " + bidi.getRunLimit(i) +
" at level " + bidi.getRunLevel(i));
}
System.out.println(bidi + "\n");
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");
} else {
System.out.println("test2() passed.\n");
}
}
}
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