| package org.eclipse.jdt.ui.tests.changes; |
| |
| import junit.framework.Test; |
| import junit.framework.TestCase; |
| import junit.framework.TestSuite; |
| |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.base.ChangeContext; |
| import org.eclipse.jdt.internal.corext.refactoring.changes.TextBufferChange; |
| import org.eclipse.jdt.internal.corext.textmanipulation.SimpleTextEdit; |
| import org.eclipse.jdt.internal.corext.textmanipulation.TextBuffer; |
| import org.eclipse.jdt.internal.corext.textmanipulation.TextEdit; |
| import org.eclipse.jdt.internal.corext.textmanipulation.TextRange; |
| import org.eclipse.jdt.internal.ui.refactoring.changes.AbortChangeExceptionHandler; |
| |
| public class TrackPositionTest extends TestCase { |
| |
| private static final Class THIS= TrackPositionTest.class; |
| private static final String NN= "N.N"; |
| |
| private TextBuffer fBuffer; |
| private TextBufferChange fChange; |
| |
| public TrackPositionTest(String name) { |
| super(name); |
| } |
| |
| public static Test suite() { |
| return new TestSuite(THIS); |
| } |
| |
| protected void setUp() throws Exception { |
| fBuffer= TextBuffer.create("0123456789"); |
| fChange= new TextBufferChange(NN, fBuffer); |
| fChange.setKeepExecutedTextEdits(true); |
| } |
| |
| protected void tearDown() throws Exception { |
| fChange= null; |
| } |
| |
| public void test1() throws Exception { |
| TextEdit edit= SimpleTextEdit.createReplace(2, 2, "xyz"); |
| fChange.addTextEdit(NN, edit); |
| executeChange(); |
| assert(fChange.getNewTextRange(edit), 2, 3); |
| } |
| |
| public void test2() throws Exception { |
| TextEdit edit= SimpleTextEdit.createReplace(5, 3, "xy"); |
| fChange.addTextEdit(NN, edit); |
| TextBuffer preview= fChange.getPreviewTextBuffer(); |
| assertEquals(fBuffer.getContent(), "0123456789"); |
| assertEquals(preview.getContent(), "01234xy89"); |
| assert(fChange.getNewTextRange(edit), 5, 2); |
| } |
| |
| private void executeChange() throws Exception { |
| try { |
| ChangeContext context= new ChangeContext(new AbortChangeExceptionHandler()); |
| fChange.aboutToPerform(context, new NullProgressMonitor()); |
| fChange.perform(context, new NullProgressMonitor()); |
| } finally { |
| fChange.performed(); |
| } |
| } |
| |
| private void assert(TextRange r, int offset, int length) { |
| assertEquals("Offset", offset, r.getOffset()); |
| assertEquals("Length", length, r.getLength()); |
| } |
| } |