8197560: test javax/swing/JTree/8003400/Test8003400.java fails

Reviewed-by: serb, psadhukhan

Author: Pankaj Bansal

test/jdk/ProblemList.txt

@@ -820,7 +820,6 @@ javax/swing/Popup/TaskbarPositionTest.java 8065097 macosx-all,linux-all
 javax/swing/JEditorPane/6917744/bug6917744.java 8213124 macosx-all
 javax/swing/JTable/6263446/bug6263446.java 8169959 macosx-all
 javax/swing/JTree/6263446/bug6263446.java 8213125 macosx-all
-javax/swing/JTree/8003400/Test8003400.java 8197560 macosx-all,linux-all
 javax/swing/ToolTipManager/Test6256140.java 8233560 macosx-all
 javax/swing/text/View/8014863/bug8014863.java 8233561 macosx-all
 javax/swing/text/StyledEditorKit/4506788/bug4506788.java 8233562 macosx-all

test/jdk/javax/swing/JTree/8003400/Test8003400.java

@@ -27,14 +27,13 @@
  * @bug 8003400
  * @summary Tests that JTree shows the last row
  * @author Sergey Malenkov
- * @library /lib/client
- * @build ExtendedRobot
  * @run main/othervm Test8003400
  * @run main/othervm Test8003400 reverse
- * @run main/othervm Test8003400 system
- * @run main/othervm Test8003400 system reverse
  */
 
+import java.awt.Component;
+import java.awt.event.InputEvent;
+import java.awt.Point;
 import java.awt.Rectangle;
 import java.awt.Robot;
 import java.awt.event.KeyEvent;
@@ -53,59 +52,100 @@ public class Test8003400 {
     private static final String TITLE = "Test JTree with a large model";
     private static List<String> OBJECTS = Arrays.asList(TITLE, "x", "y", "z");
     private static JScrollPane pane;
+    private static JFrame frame;
+    private static JTree tree;
+    private static Point point;
+    private static Rectangle rect;
+
+    public static void blockTillDisplayed(Component comp) {
+        Point p = null;
+        while (p == null) {
+            try {
+                p = comp.getLocationOnScreen();
+            } catch (IllegalStateException e) {
+                try {
+                    Thread.sleep(500);
+                } catch (InterruptedException ie) {
+                }
+            }
+        }
+    }
 
     public static void main(String[] args) throws Exception {
         for (String arg : args) {
             if (arg.equals("reverse")) {
                 Collections.reverse(OBJECTS);
             }
-            if (arg.equals("system")) {
-                UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
-            }
         }
-        SwingUtilities.invokeAndWait(new Runnable() {
-            public void run() {
-                DefaultMutableTreeNode root = new DefaultMutableTreeNode();
+        UIManager.LookAndFeelInfo infos[] = UIManager.getInstalledLookAndFeels();
+        for (UIManager.LookAndFeelInfo info : infos) {
+            UIManager.setLookAndFeel(info.getClassName());
+            System.out.println(info.getClassName());
+            try {
+                SwingUtilities.invokeAndWait(new Runnable() {
+                    public void run() {
+                        DefaultMutableTreeNode root = new DefaultMutableTreeNode();
 
-                JTree tree = new JTree(root);
-                tree.setLargeModel(true);
-                tree.setRowHeight(16);
+                        tree = new JTree(root);
+                        tree.setLargeModel(true);
+                        tree.setRowHeight(16);
 
-                JFrame frame = new JFrame(TITLE);
-                frame.add(pane = new JScrollPane(tree));
-                frame.setSize(200, 100);
-                frame.setLocationRelativeTo(null);
-                frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
-                frame.setVisible(true);
+                        frame = new JFrame(TITLE);
+                        frame.add(pane = new JScrollPane(tree));
+                        frame.setSize(200, 100);
+                        frame.setAlwaysOnTop(true);
+                        frame.setLocationRelativeTo(null);
+                        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+                        frame.setVisible(true);
 
-                for (String object : OBJECTS) {
-                    root.add(new DefaultMutableTreeNode(object));
-                }
-                tree.expandRow(0);
-            }
-        });
+                        for (String object : OBJECTS) {
+                            root.add(new DefaultMutableTreeNode(object));
+                        }
+                        tree.expandRow(0);
+                    }
+                });
 
-        ExtendedRobot robot = new ExtendedRobot();
-        robot.waitForIdle(500);
-        robot.keyPress(KeyEvent.VK_END);
-        robot.waitForIdle(500);
-        robot.keyRelease(KeyEvent.VK_END);
-        robot.waitForIdle();
+                blockTillDisplayed(frame);
 
-        SwingUtilities.invokeAndWait(new Runnable() {
-            public void run() {
-                JTree tree = (JTree) pane.getViewport().getView();
-                Rectangle inner = tree.getRowBounds(tree.getRowCount() - 1);
-                Rectangle outer = SwingUtilities.convertRectangle(tree, inner, pane);
-                outer.y += tree.getRowHeight() - 1 - pane.getVerticalScrollBar().getHeight();
-                // error reporting only for automatic testing
-                if (null != System.getProperty("test.src", null)) {
-                    SwingUtilities.getWindowAncestor(pane).dispose();
-                    if (outer.y != 0) {
-                        throw new Error("TEST FAILED: " + outer.y);
+                Robot robot = new Robot();
+                robot.setAutoDelay(100);
+                SwingUtilities.invokeAndWait(() -> {
+                    point = tree.getLocationOnScreen();
+                    rect = tree.getBounds();
+                });
+                robot.waitForIdle();
+                robot.delay(500);
+                robot.mouseMove(point.x + rect.width / 2, point.y + rect.height / 3);
+                robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+                robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+
+                robot.waitForIdle();
+                robot.delay(1000);
+                robot.keyPress(KeyEvent.VK_END);
+                robot.keyRelease(KeyEvent.VK_END);
+                robot.waitForIdle();
+                robot.delay(1000);
+
+                SwingUtilities.invokeAndWait(new Runnable() {
+                    public void run() {
+                        JTree tree = (JTree) pane.getViewport().getView();
+                        Rectangle inner = tree.getRowBounds(tree.getRowCount() - 1);
+                        Rectangle outer = SwingUtilities.convertRectangle(tree, inner, pane);
+                        int heightDifference = outer.y + tree.getRowHeight() - pane.getVerticalScrollBar().getHeight();
+                        // error reporting only for automatic testing
+                        if (null != System.getProperty("test.src", null)) {
+                            frame.dispose();
+                            if (heightDifference > 3) {
+                                throw new Error("TEST FAILED: " + heightDifference);
+                            }
+                        }
                     }
+                });
+            } finally {
+                if (frame != null) {
+                    SwingUtilities.invokeAndWait(frame::dispose);
                 }
             }
-        });
+        }
     }
 }