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/*******************************************************************************
* Copyright (c) 2012 Florian Thienel 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:
* Florian Thienel - initial API and implementation
*******************************************************************************/
package org.eclipse.vex.core.internal.widget;
import static org.eclipse.vex.core.internal.widget.VexWidgetTest.PARA;
import static org.eclipse.vex.core.internal.widget.VexWidgetTest.TITLE;
import static org.eclipse.vex.core.internal.widget.VexWidgetTest.createDocumentWithDTD;
import static org.eclipse.vex.core.tests.TestResources.TEST_DTD;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.eclipse.vex.core.dom.IComment;
import org.eclipse.vex.core.dom.IElement;
import org.eclipse.vex.core.internal.css.StyleSheet;
import org.junit.Before;
import org.junit.Test;
/**
* @author Florian Thienel
*/
public class L2SelectionTest {
private IVexWidget widget;
@Before
public void setUp() throws Exception {
widget = new VexWidgetImpl(new MockHostComponent());
widget.setDocument(createDocumentWithDTD(TEST_DTD, "section"), StyleSheet.NULL);
}
@Test
public void givenCaretInElement_whenSelectionIncludesStartOffset_shouldExpandSelectionToEndOffset() throws Exception {
final IElement titleElement = widget.insertElement(TITLE);
widget.moveBy(-1, true);
assertTrue(widget.hasSelection());
assertEquals(titleElement.getRange(), widget.getSelectedRange());
assertEquals(titleElement.getStartOffset(), widget.getCaretOffset());
}
@Test
public void givenCaretInElementWith_whenSelectionIncludesStartOffset_shouldExpandSelectionToEndOffset() throws Exception {
final IElement titleElement = widget.insertElement(TITLE);
widget.insertText("Hello World");
widget.moveBy(-5, false);
widget.moveTo(titleElement.getStartOffset(), true);
assertTrue(widget.hasSelection());
assertEquals(titleElement.getRange(), widget.getSelectedRange());
assertEquals(titleElement.getStartOffset(), widget.getCaretOffset());
}
@Test
public void givenCaretInElementAtEndOffset_whenMovedByOneBehindEndOffset_shouldExpandSelectionToStartOffset() throws Exception {
final IElement titleElement = widget.insertElement(TITLE);
widget.insertText("Hello World");
widget.moveBy(1, true);
assertTrue(widget.hasSelection());
assertEquals(titleElement.getRange(), widget.getSelectedRange());
assertEquals(titleElement.getEndOffset() + 1, widget.getCaretOffset());
}
@Test
public void givenCaretInElementAtEndOffset_whenMovedOneBehindStartOffset_shouldNotIncludeEndOffsetInSelectedRange() throws Exception {
final IElement titleElement = widget.insertElement(TITLE);
widget.insertText("Hello World");
widget.moveTo(titleElement.getStartOffset() + 1, true);
assertEquals(titleElement.getRange().resizeBy(1, -1), widget.getSelectedRange());
assertEquals(titleElement.getStartOffset() + 1, widget.getCaretOffset());
}
@Test
public void givenCaretAtStartOffsetOfElementWithText_whenMovedByOneForward_shouldExpandSelectionBehindEndOffset() throws Exception {
final IElement titleElement = widget.insertElement(TITLE);
widget.insertText("Hello World");
widget.moveTo(titleElement.getStartOffset(), false);
widget.moveBy(1, true);
assertEquals(titleElement.getRange(), widget.getSelectedRange());
assertEquals(titleElement.getEndOffset() + 1, widget.getCaretOffset());
}
@Test
public void givenCaretAtStartOffsetOfElementWithText_whenMovedOneForwardAndOneBackward_shouldSelectNothing() throws Exception {
final IElement titleElement = widget.insertElement(TITLE);
widget.insertText("Hello World");
widget.moveTo(titleElement.getStartOffset(), false);
widget.moveBy(1, true);
widget.moveBy(-1, true);
assertEquals(titleElement.getStartOffset(), widget.getCaretOffset());
}
@Test
public void givenCaretInElementWithText_whenMovedBehindFollowingElementAndMovedBackOnce_shouldSelectOnlyFirstElement() throws Exception {
final IElement titleElement = widget.insertElement(TITLE);
widget.insertText("Hello World");
widget.moveBy(1);
final IElement paraElement = widget.insertElement(PARA);
widget.insertText("Hello Again");
widget.moveTo(titleElement.getStartOffset() + 3);
widget.moveTo(paraElement.getEndOffset() + 1, true);
widget.moveBy(-1, true);
assertEquals(titleElement.getRange(), widget.getSelectedRange());
assertEquals(titleElement.getEndOffset() + 1, widget.getCaretOffset());
}
@Test
public void givenCaretInElementWithText_whenMovedBehindFollowingElementAndMovedBackTwice_shouldSelectOnlyTextFragementOfFirstElement() throws Exception {
final IElement titleElement = widget.insertElement(TITLE);
widget.insertText("Hello World");
widget.moveBy(1);
final IElement paraElement = widget.insertElement(PARA);
widget.insertText("Hello Again");
widget.moveTo(titleElement.getStartOffset() + 3);
widget.moveTo(paraElement.getEndOffset() + 1, true);
widget.moveBy(-1, true);
widget.moveBy(-1, true);
assertEquals(titleElement.getRange().resizeBy(3, -1), widget.getSelectedRange());
assertEquals(titleElement.getEndOffset(), widget.getCaretOffset());
}
@Test
public void givenCaretInElementWithText_whenMovedBeforePrecedingElementAndMovedForwardOnce_shouldSelectOnlySecondElement() throws Exception {
final IElement titleElement = widget.insertElement(TITLE);
widget.insertText("Hello World");
widget.moveBy(1);
final IElement paraElement = widget.insertElement(PARA);
widget.insertText("Hello Again");
widget.moveTo(paraElement.getEndOffset() - 3);
widget.moveTo(titleElement.getStartOffset(), true);
widget.moveBy(1, true);
assertEquals(paraElement.getRange(), widget.getSelectedRange());
assertEquals(paraElement.getStartOffset(), widget.getCaretOffset());
}
@Test
public void givenCaretInElementWithText_whenMovedBeforePrecedingElementAndMovedForwardTwice_shouldSelectOnlyTextFragementOfSecondElement() throws Exception {
final IElement titleElement = widget.insertElement(TITLE);
widget.insertText("Hello World");
widget.moveBy(1);
final IElement paraElement = widget.insertElement(PARA);
widget.insertText("Hello Again");
widget.moveTo(paraElement.getEndOffset() - 3);
widget.moveTo(titleElement.getStartOffset(), true);
widget.moveBy(1, true);
widget.moveBy(1, true);
assertEquals(paraElement.getRange().resizeBy(1, -4), widget.getSelectedRange());
assertEquals(paraElement.getStartOffset() + 1, widget.getCaretOffset());
}
@Test
public void givenCarentInEmptyComment_whenMovedBeforeComment_shouldExpandSelectionToIncludeEndOffset() throws Exception {
final IComment comment = widget.insertComment();
widget.moveBy(-1, true);
assertTrue(widget.hasSelection());
assertEquals(comment.getRange(), widget.getSelectedRange());
assertEquals(comment.getStartOffset(), widget.getCaretOffset());
}
}
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