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/*******************************************************************************
* Copyright (c) 2007, 2013 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.tests.viewer.model;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import org.eclipse.debug.internal.ui.viewers.model.FilterTransform;
import org.eclipse.debug.tests.AbstractDebugTest;
import org.eclipse.jface.viewers.TreePath;
import org.junit.Before;
import org.junit.Test;
/**
* Tests the virtual viewer's filter transform
* @since 3.3
*/
public class FilterTransformTests extends AbstractDebugTest {
public Object root;
public Object element0;
public Object element1;
public Object element2;
public Object element3;
public Object element4;
public Object element5;
public Object element6;
public Object element7;
public FilterTransform transform;
/**
* Builds a filter transform. Model has 8 elements,
* and elements 0, 2, 3, 6, 7 are filtered. Elements
* 1, 4, 5 are visible.
*/
@Override
@Before
public void setUp() throws Exception {
super.setUp();
transform = new FilterTransform();
root = new Object();
element0 = new Object();
element1 = new Object();
element2 = new Object();
element3 = new Object();
element4 = new Object();
element5 = new Object();
element6 = new Object();
element7 = new Object();
assertTrue(transform.addFilteredIndex(TreePath.EMPTY, 0, element0));
assertTrue(transform.addFilteredIndex(TreePath.EMPTY, 2, element2));
assertTrue(transform.addFilteredIndex(TreePath.EMPTY, 3, element3));
assertTrue(transform.addFilteredIndex(TreePath.EMPTY, 6, element6));
assertTrue(transform.addFilteredIndex(TreePath.EMPTY, 7, element7));
}
@Test
public void testRemoveMiddleElementFromFilters() {
assertTrue("Element should be filtered", transform.isFiltered(TreePath.EMPTY, 3)); //$NON-NLS-1$
transform.removeElementFromFilters(TreePath.EMPTY, element3);
assertFalse("Element should be unfiltered", transform.isFiltered(TreePath.EMPTY, 3)); //$NON-NLS-1$
assertArrayEquals("Wrong filter state", transform.getFilteredChildren(TreePath.EMPTY), new int[] { //$NON-NLS-1$
0, 2, 5, 6 });
}
@Test
public void testRemoveFirstElementFromFilters() {
assertTrue("Element should be filtered", transform.isFiltered(TreePath.EMPTY, 0)); //$NON-NLS-1$
transform.removeElementFromFilters(TreePath.EMPTY, element0);
assertFalse("Element should be unfiltered", transform.isFiltered(TreePath.EMPTY, 0)); //$NON-NLS-1$
assertArrayEquals("Wrong filter state", transform.getFilteredChildren(TreePath.EMPTY), new int[] { //$NON-NLS-1$
1, 2, 5, 6 });
}
@Test
public void testRemoveLastFromFilters() {
assertTrue("Element should be filtered", transform.isFiltered(TreePath.EMPTY, 7)); //$NON-NLS-1$
transform.removeElementFromFilters(TreePath.EMPTY, element7);
assertFalse("Element should be unfiltered", transform.isFiltered(TreePath.EMPTY, 7)); //$NON-NLS-1$
assertArrayEquals("Wrong filter state", transform.getFilteredChildren(TreePath.EMPTY), new int[] { //$NON-NLS-1$
0, 2, 3, 6 });
}
@Test
public void testClearMiddleElementFromFilters() {
assertTrue("Element should be filtered", transform.isFiltered(TreePath.EMPTY, 3)); //$NON-NLS-1$
transform.clear(TreePath.EMPTY, 3);
assertFalse("Element should be unfiltered", transform.isFiltered(TreePath.EMPTY, 3)); //$NON-NLS-1$
assertArrayEquals("Wrong filter state", transform.getFilteredChildren(TreePath.EMPTY), new int[] { //$NON-NLS-1$
0, 2, 6, 7 });
}
@Test
public void testClearFirstElementFromFilters() {
assertTrue("Element should be filtered", transform.isFiltered(TreePath.EMPTY, 0)); //$NON-NLS-1$
transform.clear(TreePath.EMPTY, 0);
assertFalse("Element should be unfiltered", transform.isFiltered(TreePath.EMPTY, 0)); //$NON-NLS-1$
assertArrayEquals("Wrong filter state", transform.getFilteredChildren(TreePath.EMPTY), new int[] { //$NON-NLS-1$
2, 3, 6, 7 });
}
@Test
public void testClearLastFromFilters() {
assertTrue("Element should be filtered", transform.isFiltered(TreePath.EMPTY, 7)); //$NON-NLS-1$
transform.clear(TreePath.EMPTY, 7);
assertFalse("Element should be unfiltered", transform.isFiltered(TreePath.EMPTY, 7)); //$NON-NLS-1$
assertArrayEquals("Wrong filter state", transform.getFilteredChildren(TreePath.EMPTY), new int[] { //$NON-NLS-1$
0, 2, 3, 6 });
}
@Test
public void testViewToModelCount() {
assertEquals("Wrong model count", 8, transform.viewToModelCount(TreePath.EMPTY, 3)); //$NON-NLS-1$
}
@Test
public void testViewToModelIndex() {
assertEquals("Wrong model index", 1, transform.viewToModelIndex(TreePath.EMPTY, 0)); //$NON-NLS-1$
assertEquals("Wrong model index", 4, transform.viewToModelIndex(TreePath.EMPTY, 1)); //$NON-NLS-1$
assertEquals("Wrong model index", 5, transform.viewToModelIndex(TreePath.EMPTY, 2)); //$NON-NLS-1$
}
@Test
public void testAddAlreadyFiltered() {
assertTrue("Element should be filtered", transform.isFiltered(TreePath.EMPTY, 0)); //$NON-NLS-1$
boolean added = transform.addFilteredIndex(TreePath.EMPTY, 0, element0);
assertFalse("Filter should not be added - should already have been there", added); //$NON-NLS-1$
}
/**
* Test to make sure that setModelChildCount() updates internal arrays
* appropriately. See bug 200325.
*/
@Test
public void testRegression200325() {
transform.setModelChildCount(TreePath.EMPTY, 2);
try {
transform.addFilteredIndex(TreePath.EMPTY, 3, new Object());
} catch (ArrayIndexOutOfBoundsException e) {
fail("AIOOBE Exception should not be thrown here, " + //$NON-NLS-1$
"setModelChildCount should leave " + //$NON-NLS-1$
"FilterTransform$Node in a consistent state"); //$NON-NLS-1$
}
}
}
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