diff --git a/test/jdk/javax/swing/JViewport/bug4137282.java b/test/jdk/javax/swing/JViewport/bug4137282.java
new file mode 100644
index 0000000000000..c0cec64dd4f8e
--- /dev/null
+++ b/test/jdk/javax/swing/JViewport/bug4137282.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2001, 2024, 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 4137282
+ * @summary Tests that scrollbars appear automatically when the enclosed
+ * component is enlarged
+ * @library /java/awt/regtesthelpers
+ * @build PassFailJFrame
+ * @run main/manual bug4137282
+ */
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Container;
+import java.awt.Dimension;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class bug4137282 {
+
+ private static final String INSTRUCTIONS = """
+ Press the "resize" button. Two scrollbars should appear.
+ Press Pass if they appear and Fail otherwise.""";
+
+ static volatile JPanel pane;
+
+ public static void main(String[] args) throws Exception {
+
+ PassFailJFrame.builder()
+ .title("JViewport Instructions")
+ .instructions(INSTRUCTIONS)
+ .rows(5)
+ .columns(30)
+ .testUI(bug4137282::createTestUI)
+ .build()
+ .awaitAndCheck();
+ }
+
+ private static JFrame createTestUI() {
+ pane = new JPanel();
+
+ pane.setBackground(Color.blue);
+ setPaneSize(100, 100);
+ JFrame frame = new JFrame("bug4137282");
+ JScrollPane sp = new JScrollPane(pane);
+
+ JButton b = new JButton("resize");
+ b.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent ev) {
+ setPaneSize(300, 300);
+ }
+ });
+
+ frame.add(b, BorderLayout.NORTH);
+ frame.add(sp, BorderLayout.CENTER);
+ frame.pack();
+ return frame;
+ }
+
+ static void setPaneSize(int w, int h) {
+ pane.setPreferredSize(new Dimension(w, h));
+ pane.setSize(w, h);
+ }
+}
diff --git a/test/jdk/javax/swing/JViewport/bug4217252.java b/test/jdk/javax/swing/JViewport/bug4217252.java
new file mode 100644
index 0000000000000..3eb38125de3cf
--- /dev/null
+++ b/test/jdk/javax/swing/JViewport/bug4217252.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 1999, 2024, 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 4217252
+ * @summary Tests
+ * @library /java/awt/regtesthelpers
+ * @build PassFailJFrame
+ * @run main/manual bug4217252
+ */
+
+import java.awt.BorderLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.Rectangle;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JScrollPane;
+import javax.swing.JTable;
+import javax.swing.table.AbstractTableModel;
+
+public class bug4217252 {
+
+ private static final String INSTRUCTIONS = """
+ Click on the 'Scroll' button and then click it again.
+ If you see row 98 and 99 twice, then test failed, otherwise it passed.""";
+
+ static class TestModel extends AbstractTableModel {
+
+ public String getColumnName(int column) {
+ return Integer.toString(column);
+ }
+
+ public int getRowCount() {
+ return 100;
+ }
+
+ public int getColumnCount() {
+ return 5;
+ }
+
+ public Object getValueAt(int row, int col) {
+ return row + " x " + col;
+ }
+
+ public boolean isCellEditable(int row, int column) { return false; }
+
+ public void setValueAt(Object value, int row, int col) { }
+ }
+
+ public static void main(String[] args) throws Exception {
+
+ PassFailJFrame.builder()
+ .title("JViewport Instructions")
+ .instructions(INSTRUCTIONS)
+ .rows(5)
+ .columns(30)
+ .testUI(bug4217252::createTestUI)
+ .build()
+ .awaitAndCheck();
+ }
+
+ private static JFrame createTestUI(){
+ JFrame frame = new JFrame("bug4217252");
+ final JTable table = new JTable(new TestModel());
+ JButton scrollButton = new JButton("Scroll");
+ scrollButton.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent ae) {
+ Rectangle bounds = table.getBounds();
+ bounds.y = bounds.height + table.getRowHeight();
+ bounds.height = table.getRowHeight();
+ table.scrollRectToVisible(bounds);
+ }
+ });
+ frame.getContentPane().add(new JScrollPane(table),
+ BorderLayout.CENTER);
+ frame.getContentPane().add(scrollButton, BorderLayout.SOUTH);
+ frame.pack();
+ return frame;
+ }
+
+}
diff --git a/test/jdk/javax/swing/JViewport/bug4237176.java b/test/jdk/javax/swing/JViewport/bug4237176.java
new file mode 100644
index 0000000000000..7129dd5897fd3
--- /dev/null
+++ b/test/jdk/javax/swing/JViewport/bug4237176.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 1999, 2024, 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 4237176
+ * @summary Tests that background color is set properly for JViewport
+ * @library /java/awt/regtesthelpers
+ * @build PassFailJFrame
+ * @run main/manual bug4237176
+ */
+
+import java.awt.Color;
+import javax.swing.JFrame;
+import javax.swing.JScrollPane;
+import javax.swing.JTable;
+import javax.swing.JViewport;
+
+public class bug4237176 {
+
+ private static final String INSTRUCTIONS = """
+ Look at the empty space below the table. It should be blue.
+ If it is, test passes, otherwise it fails.""";
+
+ public static void main(String[] args) throws Exception {
+
+ PassFailJFrame.builder()
+ .title("JViewport Instructions")
+ .instructions(INSTRUCTIONS)
+ .rows(5)
+ .columns(30)
+ .testUI(bug4237176::createTestUI)
+ .build()
+ .awaitAndCheck();
+ }
+
+ private static JFrame createTestUI() {
+ JFrame frame = new JFrame("Color Demo");
+ JTable table = new JTable(new Object[][]{{"one", "two"}}, new Object[]{"A", "B"});
+ JScrollPane sp = new JScrollPane(table);
+ JViewport vp = sp.getViewport();
+ vp.setBackground(Color.blue);
+ vp.setOpaque(true);
+
+ frame.getContentPane().add(sp);
+ frame.pack();
+ return frame;
+ }
+
+}
diff --git a/test/jdk/javax/swing/JViewport/bug4243479.java b/test/jdk/javax/swing/JViewport/bug4243479.java
new file mode 100644
index 0000000000000..7521312368105
--- /dev/null
+++ b/test/jdk/javax/swing/JViewport/bug4243479.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 1999, 2024, 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 4243479
+ * @summary Tests that JViewport do not blit when not visible
+ * @library /java/awt/regtesthelpers
+ * @build PassFailJFrame
+ * @run main/manual bug4243479
+ */
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.FlowLayout;
+import java.awt.Point;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTabbedPane;
+import javax.swing.JTextArea;
+import javax.swing.JViewport;
+
+public class bug4243479 {
+ private static final String INSTRUCTIONS = """
+ The tabbed pane contains two tabs: "button" and "scrollpane".
+ The second contains some text inserted into a scrollpane.
+ Press the "Press here" button.
+ If a piece of scrollpane appears, press Fail else press Pass.""";
+
+ private static JFrame createTestUI() {
+ char[] text = new char[20000];
+ for (int counter = 0; counter < text.length; counter++) {
+ if (counter % 80 == 0) {
+ text[counter] = '\n';
+ }
+ else {
+ text[counter] = 'a';
+ }
+ }
+ JScrollPane sp = new JScrollPane(new JTextArea
+ (new String(text)));
+ final JViewport vp = sp.getViewport();
+ vp.putClientProperty("EnableWindowBlit", Boolean.TRUE);
+ JTabbedPane tp = new JTabbedPane();
+ JPanel panel = new JPanel(new FlowLayout());
+ JButton button = new JButton("Press here");
+ button.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent ae) {
+ Point location = vp.getViewPosition();
+ location.y += 100;
+ vp.setViewPosition(location);
+ }
+ });
+ panel.add(button);
+ tp.add("button", panel);
+ tp.add("scrollpane", sp);
+ JFrame frame = new JFrame("4243479 Test");
+ frame.getContentPane().add(tp);
+ frame.pack();
+ return frame;
+ }
+
+ public static void main(String[] argv) throws Exception {
+ PassFailJFrame.builder()
+ .title("JViewport Instructions")
+ .instructions(INSTRUCTIONS)
+ .rows(5)
+ .columns(30)
+ .position(PassFailJFrame.Position.TOP_LEFT_CORNER)
+ .testUI(bug4243479::createTestUI)
+ .build()
+ .awaitAndCheck();
+ }
+}
diff --git a/test/jdk/javax/swing/JViewport/bug4750421.java b/test/jdk/javax/swing/JViewport/bug4750421.java
new file mode 100644
index 0000000000000..950cc4f1d69e3
--- /dev/null
+++ b/test/jdk/javax/swing/JViewport/bug4750421.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2002, 2024, 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 4750421
+ * @summary 4143833 - regression in 1.4.x
+ * @library /java/awt/regtesthelpers
+ * @build PassFailJFrame
+ * @run main/manual bug4750421
+ */
+
+import javax.swing.JFrame;
+import javax.swing.JScrollPane;
+import javax.swing.JTable;
+import javax.swing.JViewport;
+
+public class bug4750421 {
+
+ private static final String INSTRUCTIONS = """
+ A table will be shown.
+ Select the third row of the table.
+ Then press down arrow button of vertical scrollbar to scroll down.
+ (in macos drag the vertical scrollbar down via mouse just enough
+ to scroll by 1 unit as there is no arrow button in scrollbar)
+ If the selection disappears press Fail else press Pass.""";
+
+ private static JFrame createTestUI() {
+ JFrame frame = new JFrame("bug4750421");
+ JTable table = new JTable(30, 10);
+ table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
+ JScrollPane pane = new JScrollPane(table);
+ frame.getContentPane().add(pane);
+ pane.getViewport().setScrollMode(JViewport.BACKINGSTORE_SCROLL_MODE);
+ frame.pack();
+ return frame;
+ }
+
+ public static void main(String[] args) throws Exception {
+ PassFailJFrame.builder()
+ .title("JViewport Instructions")
+ .instructions(INSTRUCTIONS)
+ .rows(7)
+ .columns(35)
+ .testUI(bug4750421::createTestUI)
+ .build()
+ .awaitAndCheck();
+ }
+}