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/*******************************************************************************
* Copyright (c) 2019 Mateusz Matela 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:
* Mateusz Matela - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.text.tests;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.DefaultLineTracker;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.TabsToSpacesConverter;
import org.eclipse.jface.text.TextViewer;
import org.eclipse.jface.text.source.projection.ProjectionAnnotation;
import org.eclipse.jface.text.source.projection.ProjectionAnnotationModel;
import org.eclipse.jface.text.source.projection.ProjectionViewer;
public class TabsToSpacesConverterTest {
private void doTest(String input, String output, int keyCode, int tabWidth) {
Shell shell= new Shell();
TextViewer textViewer= new TextViewer(shell, SWT.NONE);
TabsToSpacesConverter tabToSpacesConverter= new TabsToSpacesConverter();
tabToSpacesConverter.setLineTracker(new DefaultLineTracker());
tabToSpacesConverter.setNumberOfSpacesPerTab(tabWidth);
tabToSpacesConverter.setDeleteSpacesAsTab(true);
textViewer.setTabsToSpacesConverter(tabToSpacesConverter);
int selectionFrom= input.indexOf('|');
int selectionTo= input.indexOf('|', selectionFrom + 1) - 1;
Document document= new Document(input.replace("|", ""));
textViewer.setDocument(document);
textViewer.setSelectedRange(selectionFrom, selectionTo - selectionFrom);
TextViewerTest.postKeyEvent(textViewer.getTextWidget(), keyCode, SWT.NONE, SWT.KeyDown);
assertEquals(output, document.get());
}
@Test
public void testDelete1() {
doTest("|| ABC", " ABC", SWT.DEL, 4);
}
@Test
public void testDelete2() {
doTest(" || ABC", " ABC", SWT.DEL, 4);
}
@Test
public void testDelete3() {
doTest(" || ABC", " ABC", SWT.DEL, 4);
}
@Test
public void testDelete4() {
doTest(" || ABC", " ABC", SWT.DEL, 4);
}
@Test
public void testDeleteRange1() {
doTest(" | | ABC", " ABC", SWT.DEL, 4);
}
@Test
public void testDeleteRange2() {
doTest(" | | ABC", " ABC", SWT.DEL, 4);
}
@Test
public void testDeleteInside1() {
doTest(" ABCD|| EFG", " ABCDEFG", SWT.DEL, 4);
}
@Test
public void testDeleteInside2() {
doTest(" ABCD || EFG", " ABCD EFG", SWT.DEL, 4);
}
@Test
public void testDeleteInside3() {
doTest(" ABCD|| EFG", " ABCDEFG", SWT.DEL, 4);
}
@Test
public void testDeleteLargeWidth1() {
doTest(" || ABC", " ABC", SWT.DEL, 10);
}
@Test
public void testDeleteLargeWidth2() {
doTest(" || ABC", " ABC", SWT.DEL, 10);
}
@Test
public void testDeleteSmallWidth() {
doTest(" || ABC", " ABC", SWT.DEL, 2);
}
@Test
public void testBackspace1() {
doTest(" || ABC", " ABC", SWT.BS, 4);
}
@Test
public void testBackspace2() {
doTest(" ||ABC", " ABC", SWT.BS, 4);
}
@Test
public void testBackspace3() {
doTest(" || ABC", " ABC", SWT.BS, 4);
}
@Test
public void testBackspace4() {
doTest(" || ABC", " ABC", SWT.BS, 4);
}
@Test
public void testBackspaceRange1() {
doTest(" | | ABC", " ABC", SWT.BS, 4);
}
@Test
public void testBackspaceRange2() {
doTest(" | | ABC", " ABC", SWT.BS, 4);
}
@Test
public void testBackspaceInside1() {
doTest(" ABCD ||EFG", " ABCDEFG", SWT.BS, 4);
}
@Test
public void testBackspaceInside2() {
doTest(" ABCD ||EFG", " ABCD EFG", SWT.BS, 4);
}
@Test
public void testBackspaceInside3() {
doTest(" ABCDEF ||G", " ABCDEFG", SWT.BS, 4);
}
@Test
public void testBackspaceLargeWidth1() {
doTest(" || ABC", " ABC", SWT.BS, 10);
}
@Test
public void testBackspaceLargeWidth2() {
doTest(" || ABC", " ABC", SWT.BS, 10);
}
@Test
public void testBackspaceSmallWidth() {
doTest(" || ABC", " ABC", SWT.BS, 2);
}
@Test
public void testDeleteAfterCollapsedRegion() throws BadLocationException {
Shell shell= new Shell();
ProjectionViewer textViewer= new ProjectionViewer(shell, null, null, false, SWT.NONE);
TabsToSpacesConverter tabToSpacesConverter= new TabsToSpacesConverter();
tabToSpacesConverter.setLineTracker(new DefaultLineTracker());
tabToSpacesConverter.setNumberOfSpacesPerTab(4);
tabToSpacesConverter.setDeleteSpacesAsTab(true);
textViewer.setTabsToSpacesConverter(tabToSpacesConverter);
Document document= new Document(" COLLAPSED!!!\n REGION!!!\n VISIBLE\n REGION");
int caretPosition= document.get().indexOf("VISIBLE") - 4;
textViewer.setDocument(document, new ProjectionAnnotationModel());
textViewer.enableProjection();
textViewer.setSelectedRange(caretPosition, 0);
ProjectionAnnotation annotation= new ProjectionAnnotation(true);
textViewer.getProjectionAnnotationModel().addAnnotation(annotation, new Position(0, document.getLineOffset(2)));
textViewer.doOperation(ProjectionViewer.COLLAPSE_ALL);
TextViewerTest.postKeyEvent(textViewer.getTextWidget(), SWT.DEL, SWT.NONE, SWT.KeyDown);
assertEquals(" COLLAPSED!!!\n REGION!!!\nVISIBLE\n REGION", document.get());
}
}
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