| /******************************************************************************* |
| * 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$ |
| } |
| } |
| } |