8306752: Open source several container and component AWT tests

Backport-of: 88d9ebf8e80eeead3e4a1494ba537530c16b75e1

test/jdk/java/awt/Component/GetListenersTest.java

@@ -0,0 +1,376 @@
+/*
+ * Copyright (c) 2000, 2023, 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 4240721
+  @summary Test Component.getListeners API added in 1.3
+  @key headful
+  @run main GetListenersTest
+ */
+
+import java.awt.Button;
+import java.awt.Canvas;
+import java.awt.Checkbox;
+import java.awt.CheckboxMenuItem;
+import java.awt.Choice;
+import java.awt.Component;
+import java.awt.EventQueue;
+import java.awt.FlowLayout;
+import java.awt.Frame;
+import java.awt.Label;
+import java.awt.Menu;
+import java.awt.MenuBar;
+import java.awt.MenuItem;
+import java.awt.Panel;
+import java.awt.Scrollbar;
+import java.awt.TextArea;
+import java.awt.TextField;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.AdjustmentEvent;
+import java.awt.event.AdjustmentListener;
+import java.awt.event.ComponentAdapter;
+import java.awt.event.ComponentListener;
+import java.awt.event.ContainerAdapter;
+import java.awt.event.ContainerListener;
+import java.awt.event.FocusAdapter;
+import java.awt.event.FocusListener;
+import java.awt.event.HierarchyBoundsAdapter;
+import java.awt.event.HierarchyBoundsListener;
+import java.awt.event.HierarchyEvent;
+import java.awt.event.HierarchyListener;
+import java.awt.event.InputMethodEvent;
+import java.awt.event.InputMethodListener;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyListener;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionAdapter;
+import java.awt.event.MouseMotionListener;
+import java.awt.event.MouseWheelEvent;
+import java.awt.event.MouseWheelListener;
+import java.awt.event.TextEvent;
+import java.awt.event.TextListener;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.awt.event.WindowFocusListener;
+import java.awt.event.WindowListener;
+import java.awt.event.WindowStateListener;
+import java.beans.BeanInfo;
+import java.beans.EventSetDescriptor;
+import java.beans.Introspector;
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.lang.reflect.Method;
+import java.util.EventListener;
+
+public class GetListenersTest {
+
+    public static void main(String args[]) throws Exception {
+        EventQueue.invokeAndWait(()-> {
+            // Create frame with a bunch of components
+            // and test that each component returns
+            // the right type of listeners from Component.getListeners
+            GLTFrame gltFrame = new GLTFrame();
+            try {
+                gltFrame.initAndShowGui();
+                gltFrame.test();
+            } catch (Exception e) {
+                throw new RuntimeException("Test failed", e);
+            } finally {
+                gltFrame.dispose();
+            }
+        });
+    }
+
+    /*
+     * Checks an object has a listener for every support listener type
+     */
+    static void checkForListenersOfEveryType(Object object) throws Exception {
+        Class type = object.getClass();
+
+        BeanInfo info = Introspector.getBeanInfo(type);
+        EventSetDescriptor esets[] = info.getEventSetDescriptors();
+
+        // ensure there are listeners for every type
+        for (int nset = 0; nset < esets.length; nset++) {
+            Class listenerType = esets[nset].getListenerType();
+            EventListener listener[] = getListeners(object, listenerType);
+            // Skip PropertyChangeListener for now
+            if (listener.length == 0 && validListenerToTest(listenerType)) {
+                throw new RuntimeException("getListeners didn't return type "
+                        + listenerType);
+            }
+        }
+
+        System.out.println("************");
+        System.out.println("PASSED: getListeners on "
+                + object + " has all the right listeners.");
+        System.out.println("************");
+    }
+
+    /*
+     * Calls getListeners on the object
+     */
+    static EventListener[] getListeners(Object object, Class type)
+            throws Exception {
+        Method methods[] = object.getClass().getMethods();
+        Method method = null;
+
+        for (int nmethod = 0; nmethod < methods.length; nmethod++) {
+            if (methods[nmethod].getName().equals("getListeners")) {
+                method = methods[nmethod];
+                break;
+            }
+        }
+        if (method == null) {
+            throw new RuntimeException("Object "
+                    + object + " has no getListeners method");
+        }
+        Class params[] = {type};
+        EventListener listeners[] = null;
+        listeners = (EventListener[]) method.invoke(object, params);
+        System.out.println("Listeners of type: " + type + " on " + object);
+        GetListenersTest.printArray(listeners);
+        return listeners;
+    }
+
+    /*
+     * Adds a listener of every type to the object
+     */
+    static void addDummyListenersOfEveryType(Object object) throws Exception {
+        Class type = object.getClass();
+
+        BeanInfo info = Introspector.getBeanInfo(type);
+        EventSetDescriptor esets[] = info.getEventSetDescriptors();
+
+        // add every kind of listener
+        for (int nset = 0; nset < esets.length; nset++) {
+            Class listenerType = esets[nset].getListenerType();
+            EventListener listener = makeListener(listenerType);
+            Method addListenerMethod = esets[nset].getAddListenerMethod();
+            Object params[] = {listener};
+            addListenerMethod.invoke(object, params);
+        }
+    }
+
+    /*
+     * Determines what listeners to exclude from the test for now
+     */
+    static boolean validListenerToTest(Class listenerType) {
+        /* Don't have any provision for PropertyChangeListeners... */
+        if ( listenerType == PropertyChangeListener.class ) {
+            return false;
+        }
+
+        return true;
+    }
+
+    static void testGetListeners(Object object) throws Exception {
+        GetListenersTest.addDummyListenersOfEveryType(object);
+        GetListenersTest.checkForListenersOfEveryType(object);
+    }
+
+    static void printArray(Object objects[]) {
+        System.out.println("{");
+        for(int n = 0; n < objects.length; n++) {
+            System.out.println("\t"+objects[n]+",");
+        }
+        System.out.println("}");
+    }
+
+    /*
+     * Makes a dummy listener implementation for the given listener type
+     */
+    static EventListener makeListener(Class listenerType) throws Exception {
+        Object map[][] = {
+                {ActionListener.class, MyActionAdapter.class},
+                {AdjustmentListener.class, MyAdjustmentAdapter.class},
+                {ComponentListener.class, MyComponentAdapter.class},
+                {ContainerListener.class, MyContainerAdapter.class},
+                {FocusListener.class, MyFocusAdapter.class},
+                {HierarchyBoundsListener.class, MyHierarchyBoundsAdapter.class},
+                {HierarchyListener.class, MyHierarchyAdapter.class},
+                {InputMethodListener.class, MyInputMethodAdapter.class},
+                {ItemListener.class, MyItemAdapter.class},
+                {KeyListener.class, MyKeyAdapter.class},
+                {MouseListener.class, MyMouseAdapter.class},
+                {MouseMotionListener.class, MyMouseMotionAdapter.class},
+                {MouseWheelListener.class, MyMouseWheelAdapter.class},
+                {TextListener.class, MyTextAdapter.class},
+                {WindowListener.class, MyWindowAdapter.class},
+                {WindowFocusListener.class, MyWindowFocusAdapter.class},
+                {WindowStateListener.class, MyWindowStateAdapter.class},
+                {PropertyChangeListener.class, MyPropertyChangeAdapter.class},
+        };
+
+        for (int n = 0; n < map.length; n++) {
+            if (map[n][0] == listenerType) {
+                Class adapterClass = (Class) map[n][1];
+                EventListener listener =
+                        (EventListener) adapterClass.newInstance();
+                return listener;
+            }
+        }
+
+        throw new RuntimeException("No adapter found for listener type "
+                + listenerType);
+    }
+}
+
+class GLTFrame extends Frame {
+    MenuItem mitem;
+    CheckboxMenuItem cmitem;
+
+    GLTFrame() {
+        super("Component.getListeners API Test");
+    }
+
+    public void initAndShowGui() {
+        setLayout(new FlowLayout());
+
+        add(new Label("Label"));
+        add(new Button("Button"));
+        add(new Checkbox("Checkbox"));
+        Choice c = new Choice();
+        c.add("choice");
+        java.awt.List l = new java.awt.List();
+        l.add("list");
+        add(new Scrollbar());
+        add(new TextField("TextField"));
+        add(new TextArea("TextArea"));
+        add(new Panel());
+        add(new Canvas());
+
+        MenuBar menuBar = new MenuBar();
+        Menu menu = new Menu("Menu");
+        mitem = new MenuItem("Item 1");
+        cmitem = new CheckboxMenuItem("Item 2");
+        menu.add(mitem);
+        menu.add(cmitem);
+        menuBar.add(menu);
+        setMenuBar(menuBar);
+
+        pack();
+        setVisible(true);
+    }
+
+    public void test() throws Exception {
+        // test Frame.getListeners
+        GetListenersTest.testGetListeners(this);
+
+        //
+        // test getListeners on menu items
+        //
+        GetListenersTest.testGetListeners(mitem);
+        GetListenersTest.testGetListeners(cmitem);
+
+        //
+        // test getListeners on all AWT Components
+        //
+        Component components[] = getComponents();
+        for (int nc = 0; nc < components.length; nc++) {
+            GetListenersTest.testGetListeners(components[nc]);
+        }
+    }
+}
+
+/************************************************
+ * Dummy listener implementations we add to our components/models/objects
+ */
+
+class MyPropertyChangeAdapter implements PropertyChangeListener {
+    public void propertyChange(PropertyChangeEvent evt) {}
+}
+
+class MyActionAdapter implements ActionListener {
+    public void actionPerformed(ActionEvent ev) {
+    }
+}
+
+class MyAdjustmentAdapter implements AdjustmentListener {
+    public void adjustmentValueChanged(AdjustmentEvent e) {
+    }
+}
+
+class MyHierarchyAdapter implements HierarchyListener {
+    public void hierarchyChanged(HierarchyEvent e) {
+    }
+}
+
+class MyInputMethodAdapter implements InputMethodListener {
+    public void inputMethodTextChanged(InputMethodEvent event) {
+    }
+
+    public void caretPositionChanged(InputMethodEvent event) {
+    }
+}
+
+class MyItemAdapter implements ItemListener {
+    public void itemStateChanged(ItemEvent e) {
+    }
+}
+
+class MyTextAdapter implements TextListener {
+    public void textValueChanged(TextEvent e) {
+    }
+}
+
+class MyComponentAdapter extends ComponentAdapter {
+}
+
+class MyContainerAdapter extends ContainerAdapter {
+}
+
+class MyFocusAdapter extends FocusAdapter {
+}
+
+class MyHierarchyBoundsAdapter extends HierarchyBoundsAdapter {
+}
+
+class MyKeyAdapter extends KeyAdapter {
+}
+
+class MyMouseAdapter extends MouseAdapter {
+}
+
+class MyMouseMotionAdapter extends MouseMotionAdapter {
+}
+
+class MyMouseWheelAdapter implements MouseWheelListener {
+    public void mouseWheelMoved(MouseWheelEvent e) {}
+}
+
+class MyWindowAdapter extends WindowAdapter {
+}
+
+class MyWindowFocusAdapter implements WindowFocusListener {
+    public void windowGainedFocus(WindowEvent t) {}
+    public void windowLostFocus(WindowEvent t) {}
+}
+
+class MyWindowStateAdapter extends WindowAdapter {
+}