--- /dev/null Wed Jun 19 10:34:21 2013 +++ new/test/java/awt/font/TextLayout/KerningLeak.java Wed Jun 19 10:34:20 2013 @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2013, 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 8015334 + * @summary Memory leak with kerning. + */ + +import java.awt.Font; +import java.awt.FontMetrics; +import java.awt.font.FontRenderContext; +import java.awt.font.TextAttribute; +import java.awt.font.TextLayout; +import java.util.HashMap; +import java.util.Map; + +public class KerningLeak { + + public static void main(String[] args) { + Map textAttributes = new HashMap<>(); + textAttributes.put(TextAttribute.FAMILY, "Sans Serif"); + textAttributes.put(TextAttribute.SIZE, 12); + textAttributes.put(TextAttribute.KERNING, TextAttribute.KERNING_ON); + Font font = Font.getFont(textAttributes); + int totalAdvance = 0; + FontRenderContext frc = new FontRenderContext(null, false, false); + for (int i = 0; i < 500; i++) { + if (i % 10 == 0) System.out.println("Starting iter " + (i+1)); + for (int j = 0; j <1000; j++) { + TextLayout tl = new TextLayout(Integer.toString(j), font, frc); + totalAdvance += tl.getAdvance(); + } + } + System.out.println("done " + totalAdvance); + } +}