8328367: Convert java/awt/Component/UpdatingBootTime test to main

Backport-of: 03c25b15eb73e594d1329be397cd34e206d2682b

Author: GoeLin

test/jdk/java/awt/Component/UpdatingBootTime.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2007, 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 6461933 7194219
+ * @summary adjust system boot time in nowMillisUTC() frequently
+ * @library /java/awt/regtesthelpers
+ * @build PassFailJFrame
+ * @run main/manual UpdatingBootTime
+ */
+
+/*
+ * Test verifies that time updated by the system is correctly
+ * picked up by the Java application.
+ */
+
+import java.awt.BorderLayout;
+import java.awt.Button;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.lang.reflect.InvocationTargetException;
+import java.util.Date;
+import javax.swing.JFrame;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
+
+public class UpdatingBootTime {
+    private static JFrame initialize () {
+        JFrame frame = new JFrame("Updating Boot Time Test Frame");
+        frame.setLayout(new BorderLayout());
+        JTextArea textOutput = new JTextArea("Events on the button:", 14, 40);
+        textOutput.setLineWrap(true);
+        JScrollPane textScrollPane = new JScrollPane(textOutput);
+        frame.add(textScrollPane, BorderLayout.CENTER);
+        Button b = new Button("Press me");
+        frame.add(b, BorderLayout.NORTH);
+        b.addMouseListener(new MouseAdapter() {
+                public void mousePressed(MouseEvent e) {
+                    textOutput.append("\nEvent occurred : " + e);
+                    textOutput.append("\nThe event time is : " + (new Date(e.getWhen())));
+                    textOutput.append("\nThe system time is : " + (new Date()));
+                    textOutput.append("\n------------------------------------");
+                    textOutput.setCaretPosition(textOutput.getText().length());
+                }
+            });
+        frame.pack();
+        return frame;
+    }
+
+    public static void main(String[] args) throws InterruptedException,
+            InvocationTargetException {
+        String instructions =
+                """
+            1) In the test window press "Press me" button.
+            2) Two timestamps should be printed.
+            3) Verify that they are not differ a lot:
+               it is okay to observe a 1 or 2 seconds difference.
+            4) Change the system time significantly (by a month or a year)
+               by using the OS abilities.
+            5) Click on the button once again.
+            6) Printed times should still be the same.
+               Pay attention to the Month/Year if they were changed.
+            7) It is okay to observe a 1 or 2 seconds difference and this is not a fail.
+            8) If the difference is more then 1-2 seconds noticed press fail,
+               otherwise press pass.
+            """;
+
+        PassFailJFrame.builder()
+                .title("Updating Boot Time Test Instructions")
+                .instructions(instructions)
+                .rows((int) instructions.lines().count() + 1)
+                .columns(40)
+                .testUI(UpdatingBootTime::initialize)
+                .build()
+                .awaitAndCheck();
+    }
+}