russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
69 lines
2.4 KiB
Java
69 lines
2.4 KiB
Java
/*
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* Copyright (c) 2025, 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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import javax.swing.text.BadLocationException;
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import javax.swing.text.Position;
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import javax.swing.text.StringContent;
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/*
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* @test
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* @summary test that StringContent Position APIs behave as expected.
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*/
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public class StringContentPositionTest {
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static final int SIZE = 20;
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static final String TEXT = "hello";
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static final int LEN = TEXT.length();
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static final StringContent SC = new StringContent();
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public static void main(String[] args) throws BadLocationException {
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for (int i = 0; i < 1000; i++) {
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test();
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System.gc();
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}
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}
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static void test() throws BadLocationException {
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Position[] positions = new Position[SIZE];
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for (int i = 0; i < SIZE; i++) {
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SC.insertString(0, TEXT);
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positions[i] = SC.createPosition(LEN);
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}
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for (int i = 0; i < SIZE; i++) {
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int expected = ((SIZE - i) * LEN);
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if (positions[i].getOffset() != expected) {
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throw new RuntimeException("insert: Bad offset i=" + i + " off=" + positions[i].getOffset());
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}
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}
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SC.remove(0, SIZE * LEN);
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for (int i = 0; i < SIZE; i++) {
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if (positions[i].getOffset() != 0) {
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throw new RuntimeException("remove: Bad offset i=" + i + " off=" + positions[i].getOffset());
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}
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}
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}
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}
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