1 /*
   2  * Copyright (c) 2017, 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 /* @test
  25  * @summary verify Hit index with supplementary characters.
  26  * @bug 8173028
  27  */
  28 
  29 import java.awt.Font;
  30 import java.awt.font.FontRenderContext;
  31 import java.awt.font.TextHitInfo;
  32 import java.awt.font.TextLayout;
  33 
  34 public class HitTest {
  35 
  36   public static void main(String args[]) {
  37       String s = new String(new int[]{0x1d400, 0x61}, 0, 2);
  38       Font font = new Font("Dialog", Font.PLAIN, 12);
  39       FontRenderContext frc = new FontRenderContext(null, false, false);
  40       TextLayout tl = new TextLayout(s, font, frc);
  41       TextHitInfo currHit = TextHitInfo.beforeOffset(3);
  42       TextHitInfo prevHit = tl.getNextLeftHit(currHit);
  43       System.out.println("index=" + prevHit.getCharIndex()+
  44                          " leading edge=" + prevHit.isLeadingEdge());
  45       if (prevHit.getCharIndex() != 2) {
  46           throw new RuntimeException("Expected 2 for hit index");
  47       }
  48    }
  49 }