| /******************************************************************************* |
| * Copyright (c) 2018 Etienne Reichenbach 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: |
| * Etienne Reichenbach - initial implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.workbench.texteditor.tests; |
| |
| import static org.eclipse.jface.text.DocumentRewriteSessionType.SEQUENTIAL; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.junit.Test; |
| |
| import org.eclipse.jface.text.Document; |
| import org.eclipse.jface.text.IDocument; |
| |
| import org.eclipse.ui.internal.texteditor.quickdiff.DocumentLineDiffer; |
| |
| /** |
| * Tests for the {@link DocumentLineDiffer}. |
| */ |
| public class DocumentLineDifferTest { |
| |
| /** The document to connect to the {@link #fLineDiffer}. */ |
| private Document fDocument= new Document(); |
| |
| |
| /** The {@link DocumentLineDiffer line differ} under test. */ |
| private DocumentLineDiffer fLineDiffer= new DocumentLineDiffer(); |
| |
| |
| /** |
| * Test that when a document is {@link DocumentLineDiffer#connect(IDocument) connected} the |
| * differ is neither {@link DocumentLineDiffer#isSuspended() suspended} nor |
| * {@link DocumentLineDiffer#isSynchronized() synchronized} (i.e. it is initializing). |
| * |
| * @throws Exception unexpected exception |
| */ |
| @Test |
| public void testLineDifferStateAfterConnectingDocument() throws Exception { |
| // when |
| fLineDiffer.connect(fDocument); |
| |
| // then |
| assertFalse(fLineDiffer.isSuspended()); |
| assertFalse(fLineDiffer.isSynchronized()); |
| } |
| |
| /** |
| * Test that when {@link DocumentLineDiffer#suspend()} is called the differ is |
| * {@link DocumentLineDiffer#isSuspended() suspended}. |
| * |
| * @throws Exception unexpected exception |
| */ |
| @Test |
| public void suspendSuspendsLineDiffer() throws Exception { |
| // given |
| fLineDiffer.connect(fDocument); |
| |
| // when |
| fLineDiffer.suspend(); |
| |
| // then |
| assertTrue(fLineDiffer.isSuspended()); |
| } |
| |
| /** |
| * Test that after a suspended {@link DocumentLineDiffer line differ} is |
| * {@link DocumentLineDiffer#resume() resumed} is not {@link DocumentLineDiffer#isSuspended() |
| * suspended} anymore. |
| * |
| * @throws Exception unexpected exception |
| */ |
| @Test |
| public void lineDifferNotSuspendedAfterResumeIsCalled() throws Exception { |
| // given |
| fLineDiffer.connect(fDocument); |
| fLineDiffer.suspend(); |
| |
| // when |
| fLineDiffer.resume(); |
| |
| // then |
| assertFalse(fLineDiffer.isSuspended()); |
| assertFalse(fLineDiffer.isSynchronized()); |
| } |
| |
| /** |
| * Test that when the document connected to a non suspended {@link DocumentLineDiffer line |
| * differ} starts a rewrite session the differ gets suspended. |
| * |
| * @throws Exception unexpected exception |
| */ |
| @Test |
| public void nonSuspendedLineDifferNotSuspendedAfterStartRewriteSession() throws Exception { |
| // given |
| fLineDiffer.connect(fDocument); |
| |
| // when |
| fDocument.startRewriteSession(SEQUENTIAL); |
| |
| // then |
| assertTrue(fLineDiffer.isSuspended()); |
| } |
| |
| /** |
| * Test that when a document connected to a suspended {@link DocumentLineDiffer line differ} |
| * stops the rewrite session, the differ gets suspended. |
| * |
| * @throws Exception unexpected exception |
| */ |
| @Test |
| public void suspendedLineDifferStillSuspendedAfterStopRewriteSession() throws Exception { |
| // given |
| fLineDiffer.connect(fDocument); |
| fLineDiffer.suspend(); |
| |
| // when |
| fDocument.stopRewriteSession(fDocument.getActiveRewriteSession()); |
| |
| // then |
| assertTrue(fLineDiffer.isSuspended()); |
| } |
| |
| /** |
| * Test that when the document connected to a suspended {@link DocumentLineDiffer line differ} |
| * goes through a rewrite session, the differ stays suspended. |
| * |
| * @throws Exception unexpected exception |
| */ |
| @Test |
| public void suspendedLineDifferStaysSuspendedAfterDocumentRewriteSession() throws Exception { |
| // given |
| fLineDiffer.connect(fDocument); |
| fLineDiffer.suspend(); |
| |
| // when |
| fDocument.startRewriteSession(SEQUENTIAL); |
| fDocument.stopRewriteSession(fDocument.getActiveRewriteSession()); |
| |
| // then |
| assertTrue(fLineDiffer.isSuspended()); |
| } |
| |
| /** |
| * Test that when a document connected to a non suspended {@link DocumentLineDiffer line differ} |
| * goes through a rewrite session, the differ stays in the non suspended state. |
| * |
| * @throws Exception unexpected exception |
| */ |
| @Test |
| public void nonSuspendedLineDifferStaysNonSuspendedAfterDocumentRewriteSession() throws Exception { |
| // given |
| fLineDiffer.connect(fDocument); |
| |
| // when |
| fDocument.startRewriteSession(SEQUENTIAL); |
| fDocument.stopRewriteSession(fDocument.getActiveRewriteSession()); |
| |
| // then |
| assertFalse(fLineDiffer.isSuspended()); |
| } |
| |
| } |