JRE-501 added new regression test (Live resize is jerky for heavy java applications on Mac)

(cherry picked from commit c4a1277c1b)

with fix for JBR-5300 Change source code and test files to use GPL license

(cherry picked from commit 39bd5023d4)

test/jdk/jb/sun/lwawt/macosx/LWCToolkit/LWCToolkit.java

@@ -0,0 +1,142 @@
+/*
+ * Copyright 2000-2023 JetBrains s.r.o.
+ * 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 javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.SwingUtilities;
+import javax.swing.WindowConstants;
+import java.awt.BorderLayout;
+import java.awt.MouseInfo;
+import java.awt.Rectangle;
+import java.awt.Robot;
+import java.awt.event.InputEvent;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseMotionListener;
+
+/*
+ * Description: The class generates mouse movements.
+ *
+ */
+public class LWCToolkit {
+
+    private static Robot robot;
+    private static JFrame staticFrame;
+    private static Rectangle frameBounds;
+
+    private static int ITERATION_NUMBER = 10;
+
+    private static void doTest() {
+
+        int x1 = frameBounds.x + frameBounds.width - 1;
+        int y1 = frameBounds.y + frameBounds.height - 1;
+        int x2 = frameBounds.x + frameBounds.width * 5 - 1;
+        int y2 = frameBounds.y + frameBounds.height * 5 - 1;
+
+        if (MouseInfo.getNumberOfButtons() < 1)
+            throw new RuntimeException("The systems without a mouse");
+
+        int button = 1;
+        int buttonMask = InputEvent.getMaskForButton(button);
+
+        for (int i = 0; i < ITERATION_NUMBER; i++) {
+            robot.mouseMove(x1, y1);
+            robot.waitForIdle();
+
+            robot.mousePress(buttonMask);
+            robot.waitForIdle();
+
+
+            for (int j=2; j<10;j++) {
+
+                robot.mouseMove(frameBounds.x + frameBounds.width * j - 1, frameBounds.y + frameBounds.height * j - 1);
+                robot.waitForIdle();
+
+            }
+            robot.mouseRelease(buttonMask);
+            robot.waitForIdle();
+
+            robot.mousePress(buttonMask);
+            robot.waitForIdle();
+
+            for (int j=8; j>1;j--) {
+
+                robot.mouseMove(frameBounds.x + frameBounds.width * j - 1, frameBounds.y + frameBounds.height * j - 1);
+                robot.waitForIdle();
+
+            }
+
+            robot.mouseMove(x1, y1);
+            robot.waitForIdle();
+
+            robot.mouseRelease(buttonMask);
+            robot.waitForIdle();
+        }
+    }
+
+    private static void createAndShowGUI() {
+        staticFrame = new JFrame("BuffFlusher");
+        staticFrame.setSize(400, 400);
+        staticFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+
+        JPanel panel = new JPanel(new BorderLayout());
+        panel.addMouseMotionListener(new MouseMotionListener() {
+
+            @Override
+            public void mouseDragged(MouseEvent e) {
+            }
+
+            @Override
+            public void mouseMoved(MouseEvent e) {
+            }
+        });
+        staticFrame.add(panel, BorderLayout.CENTER);
+        staticFrame.pack();
+        staticFrame.setVisible(true);
+    }
+
+    public static void main(String[] args) throws Exception {
+        if (args.length > 0)
+            ITERATION_NUMBER = Integer.parseInt(args[0]);
+
+        try {
+            robot = new Robot();
+            robot.setAutoDelay(50);
+
+            SwingUtilities.invokeAndWait(LWCToolkit::createAndShowGUI);
+            robot.waitForIdle();
+
+            SwingUtilities.invokeAndWait(() -> frameBounds = staticFrame.getBounds());
+            robot.waitForIdle();
+
+            doTest();
+
+        } finally {
+            SwingUtilities.invokeLater(() -> {
+                if (staticFrame != null) {
+                    staticFrame.setVisible(false);
+                    staticFrame.dispose();
+                }
+            });
+        }
+    }
+}

test/jdk/jb/sun/lwawt/macosx/LWCToolkit/lwctoolkit.d

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+#!/usr/sbin/dtrace -qs
+
+hotspot*:::method-entry
+{
+ this->class = (char *) copyin(arg1, arg2 + 1);
+ this->class[arg2] = '\0';
+
+ this->method = (char *) copyin(arg3, arg4 + 1);
+ this->method[arg4] = '\0';
+ @calls[stringof(this->class) == "sun/lwawt/macosx/LWCToolkit" ? stringof(this->class) : " ", stringof(this->class) == "sun/lwawt/macosx/LWCToolkit" ? stringof(this->method) : " "] = count();
+}
+dtrace:::END
+{
+
+ printa(@calls);
+}

test/jdk/jb/sun/lwawt/macosx/LWCToolkit/lwctoolkit.sh

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+#!/bin/bash
+
+#
+# Copyright 2000-2023 JetBrains s.r.o.
+# 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
+# @summary lwctoolkit.sh
+# @run shell lwctoolkit.sh
+# @key dtrace
+
+#export PATH="$PATH:/usr/sbin"
+#echo $PATH
+#echo "dtrace located at `which dtrace`"
+
+OS=`uname -s`
+case "$OS" in
+  Linux | Darwin)
+    echo "Detected OS $OS"
+    ;;
+  * )
+    echo "PASSED: The test is valid for MacOSX, Linux"
+    exit 0;
+    ;;
+esac
+
+ITERATIONS=$1
+
+if [ -z "${TESTSRC}" ]; then
+  echo "TESTSRC undefined: set to ."
+  TESTSRC=.
+fi
+
+if [ -z "${TESTCLASSES}" ]; then
+  echo "TESTCLASSES undefined: set to ."
+  TESTCLASSES=.
+fi
+
+if [ -z "${TESTJAVA}" ]; then
+  echo "TESTJAVA undefined: testing cancelled"
+  exit 1
+fi
+
+if [ -z "${ITERATIONS}" ]; then
+  echo "ITERATIONS undefined: set to 10"
+  ITERATIONS=10
+fi
+echo "ITERATIONS=${ITERATIONS}"
+
+cd ${TESTSRC}
+${TESTJAVA}/bin/javac -d ${TESTCLASSES} LWCToolkit.java
+
+echo "Running workload"
+${TESTJAVA}/bin/java -XX:+ExtendedDTraceProbes -cp ${TESTCLASSES} LWCToolkit ${ITERATIONS} &
+TEST_PID=$!
+
+DTRACE_OUTPUT=$(echo ${BUPWD} | sudo -S ${DTRACE} -p${TEST_PID} -s ${TESTSRC}/lwctoolkit.d)
+echo "=dtrace output==========================="
+echo $DTRACE_OUTPUT
+echo "========================================="
+
+METHOD_LINE=$(echo ${DTRACE_OUTPUT} | grep "LWCToolkit" | grep " invokeAndWait")
+
+if [ -z "${METHOD_LINE}" ]; then
+  echo "LWCToolkit.invokeAndWait is not contained in dtrace's output"
+  count=0
+else
+  count=$(echo ${METHOD_LINE} | awk {'print $3'})
+fi
+
+if [ "${count}" -lt "100" ]; then
+    echo "Test PASSED"
+    exit 0
+else
+    echo "the fix for JRE-501 reduced the frequency of the invocations LWCToolkit.invokeAndWait to 80"
+    echo "(e.g. see results on the build 1.8.0_152-release-b1084)"
+    echo "currently LWCToolkit.invokeAndWait was invoked ${count}-times"
+    echo "Test FAILED"
+    exit 1
+fi
+
+
+
+
+
+
+
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+