| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.text.tests; |
| |
| |
| import java.util.Iterator; |
| |
| import junit.framework.Test; |
| import junit.framework.TestCase; |
| import junit.framework.TestSuite; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.StyleRange; |
| |
| import org.eclipse.jface.text.Document; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.TextPresentation; |
| import org.eclipse.jface.text.contentassist.ContextInformation; |
| import org.eclipse.jface.text.contentassist.IContextInformation; |
| import org.eclipse.jface.text.tests.TestTextViewer; |
| |
| import org.eclipse.jdt.internal.ui.text.java.JavaParameterListValidator; |
| |
| |
| public class JavaParameterListValidatorTest extends TestCase { |
| |
| protected TestTextViewer fTextViewer; |
| protected IDocument fDocument; |
| protected JavaParameterListValidator fValidator; |
| |
| public JavaParameterListValidatorTest(String name) { |
| super(name); |
| } |
| |
| protected void setUp() { |
| fTextViewer= new TestTextViewer(); |
| fDocument= new Document(); |
| fValidator= new JavaParameterListValidator(); |
| } |
| |
| public static Test suite() { |
| return new TestSuite(JavaParameterListValidatorTest.class); |
| } |
| |
| protected void tearDown () { |
| fTextViewer= null; |
| fDocument= null; |
| fValidator= null; |
| } |
| |
| protected void checkPresentation(TextPresentation shouldBe, TextPresentation is) { |
| // check lengths |
| assertTrue(shouldBe.getDenumerableRanges() == is.getDenumerableRanges()); |
| // check default range |
| assertEquals(shouldBe.getDefaultStyleRange(), is.getDefaultStyleRange()); |
| // check rest |
| Iterator e1= shouldBe.getAllStyleRangeIterator(); |
| Iterator e2= is.getAllStyleRangeIterator(); |
| while (e1.hasNext()) |
| assertEquals(e1.next(), e2.next()); |
| } |
| |
| protected String print(TextPresentation presentation) { |
| StringBuffer buf= new StringBuffer(); |
| if (presentation != null) { |
| // default range |
| buf.append("Default style range: "); |
| StyleRange range= presentation.getDefaultStyleRange(); |
| if (range != null) |
| buf.append(range.toString()); |
| buf.append('\n'); |
| // rest |
| Iterator e= presentation.getAllStyleRangeIterator(); |
| while (e.hasNext()) { |
| buf.append(e.next().toString()); |
| buf.append('\n'); |
| } |
| } |
| return buf.toString(); |
| } |
| |
| protected TextPresentation createSample(int position) { |
| TextPresentation p= new TextPresentation(); |
| |
| int entry= Math.round((float) Math.ceil(position/3)); |
| |
| if (entry > 4) { |
| p.addStyleRange(new StyleRange(0, 34, null, null, SWT.NORMAL)); |
| return p; |
| } |
| |
| if (entry > 0) |
| p.addStyleRange(new StyleRange(0, entry * 7, null, null, SWT.NORMAL)); |
| |
| p.addStyleRange(new StyleRange(entry * 7, 6, null, null, SWT.BOLD)); |
| |
| if (entry < 4) { |
| int start= entry * 7 + 6; |
| p.addStyleRange(new StyleRange(start, 34 - start, null, null, SWT.NORMAL)); |
| } |
| |
| return p; |
| } |
| |
| public void testParameterStyling() { |
| fDocument.set(" a, b, c, d, e"); |
| fTextViewer.setDocument(fDocument); |
| |
| IContextInformation info= new ContextInformation("context", " int a, int b, int c, int d, int e"); |
| fValidator.install(info, fTextViewer, 0); |
| |
| TextPresentation p= new TextPresentation(); |
| for (int i= 0; i < fDocument.getLength(); i++) { |
| fValidator.updatePresentation(i, p); |
| checkPresentation(createSample(i), p); |
| } |
| } |
| |
| public void testValidPositionsForward() { |
| fDocument.set("(a, b, c) "); |
| fTextViewer.setDocument(fDocument); |
| |
| IContextInformation info= new ContextInformation("context", "info"); |
| fValidator.install(info, fTextViewer, 1); |
| |
| assertTrue(!fValidator.isContextInformationValid(0)); |
| for (int i= 1; i < 9; i++) |
| assertTrue(fValidator.isContextInformationValid(i)); |
| assertTrue(!fValidator.isContextInformationValid(9)); |
| } |
| |
| public void testValidPositionsBackward() { |
| fDocument.set("(a, b, c) "); |
| fTextViewer.setDocument(fDocument); |
| |
| IContextInformation info= new ContextInformation("context", "info"); |
| fValidator.install(info, fTextViewer, 1); |
| |
| assertTrue(!fValidator.isContextInformationValid(9)); |
| for (int i= 8; i > 0; i--) |
| assertTrue(fValidator.isContextInformationValid(i)); |
| assertTrue(!fValidator.isContextInformationValid(0)); |
| } |
| } |