/* * Copyright (c) 2020, 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 8245159 8239725 * @summary Ensure no exception getting bounds of an empty string when the font has * layout attributes. * @run main/othervm ZeroWidthStringBoundsTest */ import java.awt.Font; import java.awt.font.FontRenderContext; import java.awt.font.TextAttribute; import java.text.AttributedCharacterIterator; import java.util.HashMap; public class ZeroWidthStringBoundsTest { public static void main(String[] args) { FontRenderContext frc = new FontRenderContext(null, false, false); Font f1 = new Font(Font.MONOSPACED, Font.PLAIN, 12); f1.getStringBounds("", frc); HashMap attrs = new HashMap<>(); attrs.put(TextAttribute.KERNING, TextAttribute.KERNING_ON); Font f2 = f1.deriveFont(attrs); f2.getStringBounds("", frc); } }