JBR-2256 JEditorPane with test/html type and zero margins is not shown

Updated reproducer (cherry picked from commit 529a188b8b) JBR-2256 JEditorPane with test/html type and zero margins is not shown Added reproducer (cherry picked from commit 41578a40b5)
2025-12-06 09:29:38 +01:00 · 2020-04-03 21:27:15 +07:00
parent 5547506845
commit c569d6e9c8
1 changed files with 98 additions and 0 deletions
--- a/test/jdk/jb/javax/swing/JEditorPane/ZeroMargin.java
+++ b/test/jdk/jb/javax/swing/JEditorPane/ZeroMargin.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2000-2020 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+
+import static java.awt.event.KeyEvent.VK_A;
+
+/**
+ * @test
+ * @summary The test checks that height of JEditorPane with zero top and bottom insets is updated after changing text
+ * @run main/othervm ZeroMargin
+ */
+
+public class ZeroMargin implements Runnable {
+
+    private JFrame f;
+    private JEditorPane htmlPane;
+    private JEditorPane rtfPane;
+    private JEditorPane plainPane;
+
+    public static void main(String[] args) throws Exception {
+
+        ZeroMargin test = new ZeroMargin();
+        try {
+            Robot r = new Robot();
+            SwingUtilities.invokeAndWait(test);
+            r.waitForIdle();
+            r.keyPress(VK_A);
+            r.keyRelease(VK_A);
+            r.delay(500);
+            if (test.htmlPane.getHeight() == 0) {
+                throw new RuntimeException("Height of JEditorPane with text/html type was not updated");
+            }
+            if (test.rtfPane.getHeight() == 0) {
+                throw new RuntimeException("Height of JEditorPane with text/rtf type was not updated");
+            }
+            if (test.plainPane.getHeight() == 0) {
+                throw new RuntimeException("Height of JEditorPane with text/plain type was not updated");
+            }
+        } finally {
+            SwingUtilities.invokeAndWait(() ->test.f.dispose());
+        }
+    }
+
+    private void initEditorPane(JEditorPane pane, KeyAdapter adapter) {
+        pane.setEditable(false);
+        pane.setOpaque(false);
+        pane.setMargin(new Insets(0, 0, 0, 0));
+        pane.addKeyListener(adapter);
+    }
+
+    @Override
+    public void run() {
+        f = new JFrame();
+        htmlPane = new JEditorPane("text/html", "");
+        rtfPane = new JEditorPane("text/rtf", "");
+        plainPane = new JEditorPane("text/plain", "");
+
+        KeyAdapter adapter = new KeyAdapter() {
+            @Override
+            public void keyPressed(KeyEvent e) {
+                super.keyPressed(e);
+                if (e.getKeyCode() == VK_A) {
+                    htmlPane.setText("<html><body>html string</body></html>");
+                    rtfPane.setText("{\\rtf1 rtf string}");
+                    plainPane.setText("plain string");
+                }
+            }
+        };
+        initEditorPane(htmlPane, adapter);
+        initEditorPane(rtfPane, adapter);
+        initEditorPane(plainPane, adapter);
+
+        f.add(htmlPane, BorderLayout.NORTH);
+        f.add(rtfPane, BorderLayout.CENTER);
+        f.add(plainPane, BorderLayout.SOUTH);
+        f.setSize(300, 200);
+        f.setVisible(true);
+        f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+    }
+}