PDOMCBugsTest.java

/*******************************************************************************
 * Copyright (c) 2007, 2010 Symbian Software Systems 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:
 *    Andrew Ferguson (Symbian) - Initial implementation
 *    Markus Schorn (Wind River Systems)
 *******************************************************************************/
package org.eclipse.cdt.internal.pdom.tests;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import java.util.regex.Pattern;

import junit.framework.Test;

import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.dom.IPDOMManager;
import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IFunctionType;
import org.eclipse.cdt.core.dom.ast.IProblemType;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.ITypedef;
import org.eclipse.cdt.core.index.IndexFilter;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.core.testplugin.CProjectHelper;
import org.eclipse.cdt.core.testplugin.CTestPlugin;
import org.eclipse.cdt.core.testplugin.util.BaseTestCase;
import org.eclipse.cdt.core.testplugin.util.TestSourceReader;
import org.eclipse.cdt.internal.core.CCoreInternals;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil;
import org.eclipse.cdt.internal.core.pdom.PDOM;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.osgi.framework.Bundle;

public class PDOMCBugsTest extends BaseTestCase {
	ICProject cproject;
	PDOM pdom;
	
	public static Test suite() {
		return suite(PDOMCBugsTest.class);
	}
	
	@Override
	protected void setUp() throws Exception {
		cproject= CProjectHelper.createCProject("PDOMCBugsTest"+System.currentTimeMillis(), "bin", IPDOMManager.ID_NO_INDEXER);
		Bundle b = CTestPlugin.getDefault().getBundle();
		CharSequence[] testData = TestSourceReader.getContentsForTest(b, "parser",
				PDOMCBugsTest.this.getClass(), getName(), 1);

		IFile file = TestSourceReader.createFile(cproject.getProject(), new Path("header.h"), testData[0].toString());
		CCorePlugin.getIndexManager().setIndexerId(cproject, IPDOMManager.ID_FAST_INDEXER);
		assertTrue(CCorePlugin.getIndexManager().joinIndexer(360000, new NullProgressMonitor()));

		pdom= (PDOM) CCoreInternals.getPDOMManager().getPDOM(cproject);
		super.setUp();
	}

	@Override
	protected void tearDown() throws Exception {
		if (cproject != null) {
			cproject.getProject().delete(IResource.FORCE | IResource.ALWAYS_DELETE_PROJECT_CONTENT, new NullProgressMonitor());
		}
		super.tearDown();
	}
	
	// // check we get the right IProblemBinding objects
	// typedef A B;
	// typedef C D;
	// typedef E E;
	// typedef typeof(G) G;
	// typedef H *H;
	// typedef I *************I;
	// typedef int (*J)(J);
	public void test192165() throws Exception {
		pdom.acquireReadLock();
		IBinding[] bindings= pdom.findBindings(Pattern.compile(".*"), false, IndexFilter.ALL, npm());
		assertEquals(7, bindings.length);
		Set bnames= new HashSet();
		for (IBinding binding : bindings) {
			final String name = binding.getName();
			bnames.add(name);
			assertTrue("expected typedef, got "+binding, binding instanceof ITypedef);
			IType type= SemanticUtil.getUltimateType((IType)binding, false);
			if (name.equals("J")) {
				// for plain C the second J has to be interpreted as a (useless) parameter name.
				assertTrue(type instanceof IFunctionType);
				IFunctionType ft= (IFunctionType) type;
				assertEquals("int (int)", ASTTypeUtil.getType(ft));
			} else {
				assertTrue(type instanceof IProblemType);
			}
		}
		
		Set expected= new HashSet(Arrays.asList(new String[]{"B","D","E","G","H","I","J"}));
		assertEquals(expected, bnames);
		
		pdom.releaseReadLock();
	}
}