Bug 549376 - [Ubuntu 14.04] Native crash in OS._gtk_widget_show when creating RADIO MenuItem with UBUNTU_MENUPROXY

Change-Id: I477bdc394337f3d7942d846f1a1bc564b6ff33dc
Co-authored-by: Markus Keller <markus_keller@ch.ibm.com>
Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com>

1 files changed, 56 insertions, 0 deletions

diff --git a/tests/org.eclipse.swt.tests.gtk/ManualTests/org/eclipse/swt/tests/gtk/snippets/Bug549376_JvmCrashMenuRadio.java b/tests/org.eclipse.swt.tests.gtk/ManualTests/org/eclipse/swt/tests/gtk/snippets/Bug549376_JvmCrashMenuRadio.java
new file mode 100644
index 0000000000..bc28c11118
--- /dev/null
+++ b/tests/org.eclipse.swt.tests.gtk/ManualTests/org/eclipse/swt/tests/gtk/snippets/Bug549376_JvmCrashMenuRadio.java
@@ -0,0 +1,56 @@
+/*******************************************************************************
+ * Copyright (c) 2019 Syntevo and others. All rights reserved.
+ * The contents of this file are made available under the terms
+ * of the GNU Lesser General Public License (LGPL) Version 2.1 that
+ * accompanies this distribution (lgpl-v21.txt).  The LGPL is also
+ * available at http://www.gnu.org/licenses/lgpl.html.  If the version
+ * of the LGPL at http://www.gnu.org is different to the version of
+ * the LGPL accompanying this distribution and there is any conflict
+ * between the two license versions, the terms of the LGPL accompanying
+ * this distribution shall govern.
+ *
+ * Contributors:
+ *     Syntevo - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.swt.tests.gtk.snippets;
+
+import org.eclipse.swt.*;
+import org.eclipse.swt.layout.*;
+import org.eclipse.swt.widgets.*;
+
+public class Bug549376_JvmCrashMenuRadio {
+	public static void main (String [] args) {
+		final Display display = new Display();
+		final Shell shell = new Shell(display);
+
+		FillLayout layout = new FillLayout();
+		layout.marginHeight = layout.marginWidth = 10;
+		shell.setLayout(layout);
+
+		Menu menuBar = new Menu(shell, SWT.BAR);
+		shell.setMenuBar(menuBar);
+
+		MenuItem menu = new MenuItem(menuBar, SWT.CASCADE);
+		menu.setText("Menu");
+
+		final Menu subMenu = new Menu(menu);
+		menu.setMenu(subMenu);
+
+		// Creating a RADIO item during SWT.FocusIn is one way to crash
+		shell.addListener(SWT.FocusIn, e -> {
+			new MenuItem(subMenu, SWT.RADIO);
+		});
+
+		Label hintLabel = new Label(shell, SWT.NONE);
+		hintLabel.setText("If you see this text, the crash didn't reproduce");
+
+		shell.pack();
+		shell.open();
+
+		while (!shell.isDisposed ()) {
+			if (!display.readAndDispatch ()) display.sleep ();
+		}
+
+		display.dispose ();
+	}
+}