Here comes one more test for TransferHandler.exportToClipboard():
2006-10-17 Roman Kennke <[EMAIL PROTECTED]>
* gnu/testlet/javax/swing/TransferHandler/exportToClipboard.java:
New test.
/Roman
Index: gnu/testlet/javax/swing/TransferHandler/exportToClipboard.java
===================================================================
RCS file: gnu/testlet/javax/swing/TransferHandler/exportToClipboard.java
diff -N gnu/testlet/javax/swing/TransferHandler/exportToClipboard.java
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/javax/swing/TransferHandler/exportToClipboard.java 17 Oct 2006 20:10:45 -0000
@@ -0,0 +1,238 @@
+/* exportToClipboard.java -- Tests TransferHandler.exportToClipboard()
+ Copyright (C) 2006 Roman Kennke ([EMAIL PROTECTED])
+This file is part of Mauve.
+
+Mauve is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+Mauve 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with Mauve; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+*/
+
+// Tags: JDK1.4
+
+package gnu.testlet.javax.swing.TransferHandler;
+
+import java.awt.datatransfer.Clipboard;
+import java.awt.datatransfer.ClipboardOwner;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.Transferable;
+
+import javax.swing.JComponent;
+import javax.swing.TransferHandler;
+
+import junit.framework.TestCase;
+
+/**
+ * Tests TransferHandler.exportToClipboard().
+ */
+public class exportToClipboard extends TestCase
+{
+
+ /**
+ * Overrides setContents() to enable us to check what is passed to
+ * setContents().
+ */
+ private class TestClipboard
+ extends Clipboard
+ {
+ TestClipboard()
+ {
+ super("DEFAULT");
+ }
+ public void setContents(Transferable t, ClipboardOwner o)
+ {
+ super.setContents(t, o);
+ clipboardOwner = o;
+ }
+ }
+
+ /**
+ * Overrides exportDone() to enable checking when this is called and what
+ * is passed to it.
+ */
+ private class TestTransferHandler
+ extends TransferHandler
+ {
+ TestTransferHandler(String prop)
+ {
+ super(prop);
+ }
+ public void exportDone(JComponent c, Transferable t, int a)
+ {
+ exportDoneSource = c;
+ exportDoneTransferable = t;
+ exportDoneAction = a;
+ }
+
+ public int getSourceActions(JComponent c)
+ {
+ return sourceActions;
+ }
+ }
+
+ /**
+ * Adds a readonly property that returns a fixed value.
+ */
+ public class TestComponent
+ extends JComponent
+ {
+ public String getTestProperty()
+ {
+ return "HelloWorld";
+ }
+ }
+
+ // The value that will be returned by getSourceActions(), for testing.
+ int sourceActions;
+
+ // The values passed into exportDone for testing.
+ JComponent exportDoneSource;
+ Transferable exportDoneTransferable;
+ int exportDoneAction;
+
+ /**
+ * The clipboard owner beeing passed to Clipboard.stContents().
+ */
+ ClipboardOwner clipboardOwner;
+
+ /**
+ * The transfer handler used in these tests.
+ */
+ private TransferHandler transferHandler;
+
+ /**
+ * The component from which we export a property.
+ */
+ private JComponent component;
+
+ /**
+ * The clipboard to use.
+ */
+ private Clipboard clipboard;
+
+ /**
+ * Sets up the testcase.
+ */
+ public void setUp()
+ {
+ transferHandler = new TestTransferHandler("testProperty");
+ component = new TestComponent();
+ clipboard = new TestClipboard();
+ exportDoneAction = -1;
+ exportDoneSource = null;
+ exportDoneTransferable = null;
+ clipboardOwner = null;
+ }
+
+ /**
+ * Tears down the testcase.
+ */
+ public void tearDown()
+ {
+ transferHandler = null;
+ component = null;
+ clipboard = null;
+ exportDoneAction = -1;
+ exportDoneSource = null;
+ exportDoneTransferable = null;
+ clipboardOwner = null;
+ }
+
+ /**
+ * Checks how 'intersecting' source actions are handled.
+ */
+ public void testIntersectingSourceActions()
+ {
+ sourceActions = TransferHandler.COPY;
+ transferHandler.exportToClipboard(component, clipboard,
+ TransferHandler.MOVE);
+ assertNull(clipboard.getContents(this));
+ assertEquals(component, exportDoneSource);
+ assertNull(exportDoneTransferable);
+ assertEquals(TransferHandler.NONE, exportDoneAction);
+ }
+
+
+ /**
+ * Tests how a missing property getter method is handled.
+ */
+ public void testMissingGetter()
+ {
+ component = new JComponent(){};
+ sourceActions = TransferHandler.COPY;
+ transferHandler.exportToClipboard(component, clipboard,
+ TransferHandler.COPY);
+ assertNull(clipboard.getContents(this));
+ assertEquals(component, exportDoneSource);
+ assertNull(exportDoneTransferable);
+ assertEquals(TransferHandler.NONE, exportDoneAction);
+ }
+
+ /**
+ * Tests how a normal transfer is performed.
+ */
+ public void testNormalTransfer()
+ {
+ sourceActions = TransferHandler.COPY;
+ transferHandler.exportToClipboard(component, clipboard,
+ TransferHandler.COPY);
+ assertEquals(component, exportDoneSource);
+ assertNotNull(exportDoneTransferable);
+ assertSame(exportDoneTransferable, clipboard.getContents(this));
+
+ try
+ {
+ DataFlavor flavor = new DataFlavor("application/x-java-jvm-local-objectref; class=java.lang.String");
+ assertEquals("HelloWorld",
+ exportDoneTransferable.getTransferData(flavor));
+ }
+ catch (Exception ex)
+ {
+ ex.printStackTrace();
+ fail(ex.getMessage());
+ }
+ assertEquals(TransferHandler.COPY, exportDoneAction);
+ assertNull(clipboardOwner);
+ }
+
+ /**
+ * Tests how an IllegalStateException from the ClipBoard is handled.
+ */
+ public void testIllegalStateException()
+ {
+ sourceActions = TransferHandler.COPY;
+ clipboard = new Clipboard("DEFAULT")
+ {
+ public void setContents(Transferable t, ClipboardOwner o)
+ {
+ throw new IllegalStateException();
+ }
+ };
+ try
+ {
+ transferHandler.exportToClipboard(component, clipboard,
+ TransferHandler.COPY);
+ fail("IllegalStateException must be thrown");
+ }
+ catch (IllegalStateException ex)
+ {
+ // Ok.
+ }
+
+ assertEquals(component, exportDoneSource);
+ assertNotNull(exportDoneTransferable);
+ assertEquals(TransferHandler.NONE, exportDoneAction);
+ }
+
+}