| /******************************************************************************* |
| * Copyright (c) 2021 Red Hat Inc. 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 |
| ********************************************************************************/ |
| package org.eclipse.ui.editors.tests; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.util.stream.Collectors; |
| import java.util.stream.IntStream; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import org.eclipse.swt.custom.StyledText; |
| import org.eclipse.swt.widgets.Control; |
| |
| import org.eclipse.core.filesystem.EFS; |
| |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.ITextSelection; |
| import org.eclipse.jface.text.TextSelection; |
| |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.ide.IDE; |
| import org.eclipse.ui.internal.editors.text.EditorsPlugin; |
| import org.eclipse.ui.tests.harness.util.DisplayHelper; |
| |
| import org.eclipse.ui.texteditor.AbstractTextEditor; |
| import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds; |
| |
| /* |
| * Note: this test would better fit in the org.eclipse.ui.workbench.texteditor bundle, but initializing |
| * and editor from this bundle is quite tricky without the IDE and EFS utils. |
| */ |
| public class TextNavigationTest { |
| |
| private File file; |
| private AbstractTextEditor editor; |
| private StyledText widget; |
| private IDocument fDocument; |
| |
| @Before |
| public void setUp() throws IOException, PartInitException, CoreException { |
| file = File.createTempFile(TextNavigationTest.class.getName(), ".txt"); |
| Files.write(file.toPath(), " abc".getBytes()); |
| editor = (AbstractTextEditor)IDE.openEditorOnFileStore(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), EFS.getStore(file.toURI())); |
| fDocument = editor.getDocumentProvider().getDocument(editor.getEditorInput()); |
| widget = (StyledText) editor.getAdapter(Control.class); |
| } |
| |
| @After |
| public void tearDown() { |
| editor.dispose(); |
| file.delete(); |
| } |
| |
| @Test |
| public void testHome() { |
| IPreferenceStore preferenceStore = EditorsPlugin.getDefault().getPreferenceStore(); |
| boolean previousPrefValue = preferenceStore.getBoolean(AbstractTextEditor.PREFERENCE_NAVIGATION_SMART_HOME_END); |
| preferenceStore.setValue(AbstractTextEditor.PREFERENCE_NAVIGATION_SMART_HOME_END, false); |
| fDocument.set("line1\nline2"); |
| editor.selectAndReveal(fDocument.getLength(), 0); |
| editor.getAction(ITextEditorActionDefinitionIds.LINE_START).run(); |
| try { |
| assertEquals(6, ((ITextSelection) editor.getSelectionProvider().getSelection()).getOffset()); |
| editor.getAction(ITextEditorActionDefinitionIds.LINE_START).run(); |
| assertEquals(6, ((ITextSelection) editor.getSelectionProvider().getSelection()).getOffset()); |
| } finally { |
| preferenceStore.setValue(AbstractTextEditor.PREFERENCE_NAVIGATION_SMART_HOME_END, previousPrefValue); |
| } |
| } |
| |
| @Test |
| public void testShiftHome() { |
| editor.selectAndReveal(5, 0); |
| IAction action= editor.getAction(ITextEditorActionDefinitionIds.SELECT_LINE_START); |
| action.run(); |
| ITextSelection selection= (ITextSelection) editor.getSelectionProvider().getSelection(); |
| assertEquals(2, selection.getOffset()); |
| assertEquals(3, selection.getLength()); |
| assertEquals(2, widget.getCaretOffset()); |
| action.run(); |
| selection = (ITextSelection) editor.getSelectionProvider().getSelection(); |
| assertEquals(0, selection.getOffset()); |
| assertEquals(5, selection.getLength()); |
| assertEquals(0, widget.getCaretOffset()); |
| } |
| |
| @Test |
| public void testShiftEnd() { |
| editor.getSelectionProvider().setSelection(new TextSelection(0, 0)); |
| IAction action= editor.getAction(ITextEditorActionDefinitionIds.SELECT_LINE_END); |
| action.run(); |
| ITextSelection selection= (ITextSelection) editor.getSelectionProvider().getSelection(); |
| assertEquals(0, selection.getOffset()); |
| assertEquals(5, selection.getLength()); |
| assertEquals(5, widget.getCaretOffset()); |
| } |
| |
| @Test |
| public void testShiftEndMultipleLines() { |
| fDocument.set("LINE 1\nLINE 2\n"); |
| editor.selectAndReveal(12, -7); |
| editor.getAction(ITextEditorActionDefinitionIds.SELECT_LINE_END).run(); |
| ITextSelection selection = (ITextSelection) editor.getSelectionProvider().getSelection(); |
| assertEquals(6, selection.getOffset()); |
| assertEquals(6, selection.getLength()); |
| assertEquals(6, widget.getCaretOffset()); |
| } |
| |
| @Test |
| public void testShiftEndHomeHome() { |
| editor.getSelectionProvider().setSelection(new TextSelection(0, 0)); |
| assertEquals(0, widget.getCaretOffset()); |
| |
| editor.getAction(ITextEditorActionDefinitionIds.SELECT_LINE_END).run(); |
| ITextSelection selection = (ITextSelection) editor.getSelectionProvider().getSelection(); |
| assertEquals(0, selection.getOffset()); |
| assertEquals(5, selection.getLength()); |
| assertEquals(5, widget.getCaretOffset()); |
| |
| editor.getAction(ITextEditorActionDefinitionIds.SELECT_LINE_START).run(); |
| selection = (ITextSelection) editor.getSelectionProvider().getSelection(); |
| assertEquals(0, selection.getOffset()); |
| assertEquals(2, selection.getLength()); |
| assertEquals(2, widget.getCaretOffset()); // Bug 577727 |
| |
| editor.getAction(ITextEditorActionDefinitionIds.SELECT_LINE_START).run(); |
| selection = (ITextSelection) editor.getSelectionProvider().getSelection(); |
| assertEquals(0, selection.getOffset()); |
| assertEquals(0, selection.getLength()); |
| assertEquals(0, widget.getCaretOffset()); |
| } |
| |
| @Test |
| public void testEndHomeRevealCaret() { |
| editor.getSelectionProvider().setSelection(new TextSelection(0, 0)); |
| fDocument.set(IntStream.range(0, 2000).mapToObj(i -> "a").collect(Collectors.joining())); |
| PlatformUI.getWorkbench().getIntroManager().closeIntro(PlatformUI.getWorkbench().getIntroManager().getIntro()); |
| assertTrue(DisplayHelper.waitForCondition(widget.getDisplay(), 2000, () -> widget.isVisible())); |
| int firstCharX = widget.getTextBounds(0, 0).x; |
| assertTrue(firstCharX >= 0 && firstCharX <= widget.getClientArea().width); |
| assertEquals(0, widget.getClientArea().x); |
| editor.getAction(ITextEditorActionDefinitionIds.LINE_END).run(); |
| ITextSelection selection = (ITextSelection) editor.getSelectionProvider().getSelection(); |
| assertEquals(fDocument.getLength(), selection.getOffset()); |
| int lastCharX = widget.getTextBounds(fDocument.getLength() - 1, fDocument.getLength() - 1).x; |
| assertTrue(lastCharX >= 0 && lastCharX <= widget.getClientArea().width); |
| editor.getAction(ITextEditorActionDefinitionIds.LINE_START).run(); |
| firstCharX = widget.getTextBounds(0, 0).x; |
| assertTrue(firstCharX >= 0 && firstCharX <= widget.getClientArea().width); |
| } |
| } |