8029010: [macosx] Need test for JDK-7124513

Reviewed-by: pchelko, alexsch

test/javax/swing/JFrame/NSTexturedJFrame/NSTexturedJFrame.java

+/*
+ * 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.
+ */
+
+import java.awt.Rectangle;
+import java.awt.Robot;
+import java.awt.Toolkit;
+import java.awt.image.BufferedImage;
+
+import javax.swing.JFrame;
+import javax.swing.SwingUtilities;
+
+import sun.awt.OSInfo;
+import sun.awt.SunToolkit;
+
+/**
+ * @test
+ * @bug 7124513
+ * @summary We should support NSTexturedBackgroundWindowMask style on OSX.
+ * @author Sergey Bylokhov
+ */
+public final class NSTexturedJFrame {
+
+    private static final String BRUSH = "apple.awt.brushMetalLook";
+    private static final String STYLE = "Window.style";
+    private static final BufferedImage[] images = new BufferedImage[3];
+    private static Rectangle bounds;
+    private static volatile int step;
+    private static JFrame frame;
+
+    public static void main(final String[] args) throws Exception {
+        if (OSInfo.getOSType() != OSInfo.OSType.MACOSX) {
+            System.out.println("This test is for OSX, considered passed.");
+            return;
+        }
+        // Default window appearance
+        showFrame();
+        step++;
+        // apple.awt.brushMetalLook appearance
+        showFrame();
+        step++;
+        // Window.style appearance
+        showFrame();
+
+        // images on step 1 and 2 should be same
+        testImages(images[1], images[2], false);
+        // images on step 1 and 2 should be different from default
+        testImages(images[0], images[1], true);
+        testImages(images[0], images[2], true);
+    }
+
+    private static void testImages(BufferedImage img1, BufferedImage img2,
+                                   boolean shouldbeDifferent) {
+        boolean different = false;
+        for (int x = 0; x < img1.getWidth(); ++x) {
+            for (int y = 0; y < img1.getHeight(); ++y) {
+                if (img1.getRGB(x, y) != img2.getRGB(x, y)) {
+                    different = true;
+                }
+            }
+        }
+        if (different != shouldbeDifferent) {
+            throw new RuntimeException("Textured property does not work");
+        }
+    }
+
+    private static void showFrame() throws Exception {
+        final Robot robot = new Robot();
+        robot.setAutoDelay(50);
+        createUI();
+        images[step] = robot.createScreenCapture(bounds);
+        SwingUtilities.invokeAndWait(frame::dispose);
+        sleep();
+    }
+
+    private static void createUI() throws Exception {
+        SwingUtilities.invokeAndWait(() -> {
+            frame = new JFrame();
+            frame.setUndecorated(true);
+            frame.setSize(400, 400);
+            frame.setLocationRelativeTo(null);
+            switch (step) {
+                case 1:
+                    frame.getRootPane().putClientProperty(BRUSH, true);
+                    break;
+                case 2:
+                    frame.getRootPane().putClientProperty(STYLE, "textured");
+            }
+            frame.setVisible(true);
+        });
+        sleep();
+        SwingUtilities.invokeAndWait(() -> {
+            bounds = frame.getBounds();
+        });
+        sleep();
+    }
+
+    private static void sleep() throws InterruptedException {
+        ((SunToolkit) Toolkit.getDefaultToolkit()).realSync();
+        Thread.sleep(1000);
+    }
+}