1 /* 2 * Copyright (c) 2008, 2016, 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 4396492 4396496 4778510 6850113 27 * @summary verify that the embedding values processed by the bidi code use negative values to 28 * indicate overrides, rather than using bit 7. Also tests Bidi without loading awt classes to 29 * confirm that Bidi can be used without awt. Verify that embedding level 0 is properly mapped 30 * to the base embedding level. 31 * @modules java.desktop 32 */ 33 34 import java.awt.Color; 35 import java.awt.Frame; 36 import java.awt.font.TextAttribute; 37 import java.text.AttributedString; 38 import java.text.Bidi; 39 40 public class BidiEmbeddingTest { 41 public static void main(String[] args) { 42 // to regress embedding test against old fix, call with an arg. A window will pop 43 // up causing awt lib to be loaded so the vm won't die with the unsatisfied link error. 44 if (args.length > 0) { 45 Frame f = new Frame(); 46 f.setSize(300, 300); 47 f.setBackground(Color.white); 48 f.show(); 49 } 50 51 test1(); 52 test2(); 53 } 54 55 static void test1() { 56 String target = "BACK WARDS"; 57 String str = "If this text is >" + target + "< the test passed."; 58 int start = str.indexOf(target); 59 int limit = start + target.length(); 60 61 System.out.println("start: " + start + " limit: " + limit); 62 63 AttributedString astr = new AttributedString(str); 64 astr.addAttribute(TextAttribute.BIDI_EMBEDDING, 65 new Integer(-1), 66 start, 67 limit); 68 69 Bidi bidi = new Bidi(astr.getIterator()); 70 71 for (int i = 0; i < bidi.getRunCount(); ++i) { 72 System.out.println("run " + i + 73 " from " + bidi.getRunStart(i) + 74 " to " + bidi.getRunLimit(i) + 75 " at level " + bidi.getRunLevel(i)); 76 } 77 78 System.out.println(bidi); 79 80 byte[] embs = new byte[str.length() + 3]; 81 for (int i = start + 1; i < limit + 1; ++i) { 82 embs[i] = -1; 83 } 84 85 Bidi bidi2 = new Bidi(str.toCharArray(), 0, embs, 1, str.length(), Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT); 86 for (int i = 0; i < bidi2.getRunCount(); ++i) { 87 System.out.println("run " + i + 88 " from " + bidi2.getRunStart(i) + 89 " to " + bidi2.getRunLimit(i) + 90 " at level " + bidi2.getRunLevel(i)); 91 } 92 93 System.out.println(bidi2 + "\n"); 94 95 if (bidi.getRunCount() != 3 || bidi2.getRunCount() != 3) { 96 throw new Error("Bidi run count incorrect"); 97 } else { 98 System.out.println("test1() passed.\n"); 99 } 100 } 101 102 // make sure BIDI_EMBEDDING values of 0 are mapped to base run direction, instead of flagging an error. 103 static void test2() { 104 String target = "BACK WARDS"; 105 String str = "If this text is >" + target + "< the test passed."; 106 int length = str.length(); 107 int start = str.indexOf(target); 108 int limit = start + target.length(); 109 110 System.out.println("start: " + start + " limit: " + limit); 111 112 AttributedString astr = new AttributedString(str); 113 astr.addAttribute(TextAttribute.RUN_DIRECTION, TextAttribute.RUN_DIRECTION_RTL); 114 115 astr.addAttribute(TextAttribute.BIDI_EMBEDDING, 116 new Integer(-3), 117 start, 118 limit); 119 120 Bidi bidi = new Bidi(astr.getIterator()); 121 122 for (int i = 0; i < bidi.getRunCount(); ++i) { 123 System.out.println("run " + i + 124 " from " + bidi.getRunStart(i) + 125 " to " + bidi.getRunLimit(i) + 126 " at level " + bidi.getRunLevel(i)); 127 } 128 129 System.out.println(bidi + "\n"); 130 131 if (bidi.getRunCount() != 6) { // runs of spaces and angles at embedding bound,s and final period, each get level 1 132 throw new Error("Bidi embedding processing failed"); 133 } else { 134 System.out.println("test2() passed.\n"); 135 } 136 } 137 }