added test case

svn changeset:6103/svn branch:trunk

src/com/itmill/toolkit/tests/tickets/Ticket2292.java

@@ -0,0 +1,88 @@
+package com.itmill.toolkit.tests.tickets;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.net.URL;
+
+import javax.imageio.ImageIO;
+
+import com.itmill.toolkit.terminal.DownloadStream;
+import com.itmill.toolkit.terminal.ExternalResource;
+import com.itmill.toolkit.ui.Button;
+import com.itmill.toolkit.ui.CheckBox;
+import com.itmill.toolkit.ui.Label;
+import com.itmill.toolkit.ui.Link;
+import com.itmill.toolkit.ui.Window;
+
+public class Ticket2292 extends com.itmill.toolkit.Application {
+
+    @Override
+    public void init() {
+        final Window main = new Window(getClass().getName().substring(
+                getClass().getName().lastIndexOf(".") + 1));
+        setMainWindow(main);
+
+        ExternalResource icon = new ExternalResource("./icon.png");
+        main
+                .addComponent(new Label(
+                        "Note, run with trailing slash in url to have a working icon. Icon is built by servlet with a slow method, so it will show the bug (components not firing requestLayout)"));
+        Button b = new Button();
+        main.addComponent(b);
+        b.setIcon(icon);
+
+        CheckBox checkBox = new CheckBox();
+        main.addComponent(checkBox);
+        checkBox.setIcon(icon);
+
+        Link l = new Link("l", icon);
+        main.addComponent(l);
+
+    }
+
+    @Override
+    public DownloadStream handleURI(URL context, String relativeUri) {
+        if (!relativeUri.contains("icon.png")) {
+            return null;
+        }
+
+        // be slow to show bug
+        try {
+            Thread.sleep(2000);
+        } catch (InterruptedException e1) {
+            // TODO Auto-generated catch block
+            e1.printStackTrace();
+        }
+
+        BufferedImage image = new BufferedImage(200, 200,
+                BufferedImage.TYPE_INT_RGB);
+        Graphics drawable = image.getGraphics();
+        drawable.setColor(Color.lightGray);
+        drawable.fillRect(0, 0, 200, 200);
+        drawable.setColor(Color.yellow);
+        drawable.fillOval(25, 25, 150, 150);
+        drawable.setColor(Color.blue);
+        drawable.drawRect(0, 0, 199, 199);
+
+        // Use the parameter to create dynamic content.
+        drawable.setColor(Color.black);
+        drawable.drawString("Tex", 75, 100);
+
+        try {
+            // Write the image to a buffer.
+            ByteArrayOutputStream imagebuffer = new ByteArrayOutputStream();
+            ImageIO.write(image, "png", imagebuffer);
+
+            // Return a stream from the buffer.
+            ByteArrayInputStream istream = new ByteArrayInputStream(imagebuffer
+                    .toByteArray());
+            return new DownloadStream(istream, null, null);
+        } catch (IOException e) {
+            return null;
+        }
+    }
+
+}