/* * Copyright (c) 2025, 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. */ import javax.swing.text.BadLocationException; import javax.swing.text.Position; import javax.swing.text.StringContent; /* * @test * @summary test that StringContent Position APIs behave as expected. */ public class StringContentPositionTest { static final int SIZE = 20; static final String TEXT = "hello"; static final int LEN = TEXT.length(); static final StringContent SC = new StringContent(); public static void main(String[] args) throws BadLocationException { for (int i = 0; i < 1000; i++) { test(); System.gc(); } } static void test() throws BadLocationException { Position[] positions = new Position[SIZE]; for (int i = 0; i < SIZE; i++) { SC.insertString(0, TEXT); positions[i] = SC.createPosition(LEN); } for (int i = 0; i < SIZE; i++) { int expected = ((SIZE - i) * LEN); if (positions[i].getOffset() != expected) { throw new RuntimeException("insert: Bad offset i=" + i + " off=" + positions[i].getOffset()); } } SC.remove(0, SIZE * LEN); for (int i = 0; i < SIZE; i++) { if (positions[i].getOffset() != 0) { throw new RuntimeException("remove: Bad offset i=" + i + " off=" + positions[i].getOffset()); } } } }