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/*******************************************************************************
* Copyright (c) 2008 Code 9 Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Code 9 Corporation - initial API and implementation
* Chris Aniszczyk <zx@code9.com> - bug 131435
* Matthew Hall - bugs 194734, 256543
*******************************************************************************/
package org.eclipse.jface.tests.internal.databinding.swt;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.internal.databinding.swt.StyledTextTextProperty;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.widgets.Shell;
/**
* Tests to assert the inputs of the StyledTextObservableValue constructor.
*/
public class StyledTextObservableValueTest extends AbstractDefaultRealmTestCase {
private StyledText text;
private ValueChangeEventTracker listener;
protected void setUp() throws Exception {
super.setUp();
Shell shell = new Shell();
text = new StyledText(shell, SWT.NONE);
listener = new ValueChangeEventTracker();
}
/**
* Asserts that only valid SWT event types are accepted on construction of
* StyledTextObservableValue.
*/
public void testConstructorUpdateEventTypes() {
try {
new StyledTextTextProperty(new int[] { SWT.None });
new StyledTextTextProperty(new int[] { SWT.FocusOut });
new StyledTextTextProperty(new int[] { SWT.Modify });
new StyledTextTextProperty(new int[] { SWT.DefaultSelection });
assertTrue(true);
} catch (IllegalArgumentException e) {
fail();
}
try {
new StyledTextTextProperty(new int[] { SWT.Verify });
fail();
} catch (IllegalArgumentException e) {
assertTrue(true);
}
}
/**
* s
*
* @throws Exception
*/
public void testGetValueBeforeFocusOutChangeEventsFire() throws Exception {
IObservableValue observableValue = SWTObservables.observeText(text,
SWT.FocusOut);
observableValue.addValueChangeListener(listener);
String a = "a";
String b = "b";
text.setText(a);
// fetching the value updates the buffered value
assertEquals(a, observableValue.getValue());
assertEquals(1, listener.count);
text.setText(b);
text.notifyListeners(SWT.FocusOut, null);
assertEquals(2, listener.count);
assertEquals(a, listener.event.diff.getOldValue());
assertEquals(b, listener.event.diff.getNewValue());
}
public void testDispose() throws Exception {
IObservableValue observableValue = SWTObservables.observeText(text,
SWT.Modify);
ValueChangeEventTracker testCounterValueChangeListener = new ValueChangeEventTracker();
observableValue.addValueChangeListener(testCounterValueChangeListener);
String expected1 = "Test123";
text.setText(expected1);
assertEquals(1, testCounterValueChangeListener.count);
assertEquals(expected1, text.getText());
assertEquals(expected1, observableValue.getValue());
observableValue.dispose();
String expected2 = "NewValue123";
text.setText(expected2);
assertEquals(1, testCounterValueChangeListener.count);
assertEquals(expected2, text.getText());
}
}
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