jdk/test/sun/awt/image/ImageWatched/AddNoLeak.java
changeset 12388 5a31b31ab09b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/awt/image/ImageWatched/AddNoLeak.java	Wed Mar 21 18:41:42 2012 -0700
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2012, 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 java.awt.image.ImageObserver;
+import java.awt.image.ImageProducer;
+import java.awt.image.ImageConsumer;
+import java.awt.Image;
+import java.awt.Container;
+
+/* @test 1.0 12/01/17
+   @bug 7104151
+   @summary Make sure that we don't leak image observers (or related objects)
+   @run main/othervm AddNoLeak
+   @author David Buck
+*/
+
+public class AddNoLeak {
+    public static void main(String[] args) {
+        System.setProperty("java.awt.headless", "true");
+        Container cont = new Container();
+        Image img = cont.createImage(new DummyImageSource());
+        for(int i=0;i < 15000;i++) {
+            img.getWidth(new ImageObserver() {
+                public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) {return false;}
+            });
+            if (i % 100 == 0) {
+                System.gc();
+            }
+        }
+    }
+
+    private static class DummyImageSource implements ImageProducer {
+        public void addConsumer(ImageConsumer ic){}
+        public boolean isConsumer(ImageConsumer ic){return false;}
+        public void removeConsumer(ImageConsumer ic){}
+        public void startProduction(ImageConsumer ic){}
+        public void requestTopDownLeftRightResend(ImageConsumer ic){}
+    }
+}