/*******************************************************************************
* Copyright (c) 2006, 2008 IBM Corporation.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.pdom.tests;
import junit.framework.Test;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IFunction;
import org.eclipse.cdt.core.dom.ast.IParameter;
import org.eclipse.cdt.core.dom.ast.c.ICBasicType;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.internal.core.CCoreInternals;
import org.eclipse.cdt.internal.core.pdom.PDOM;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.NullProgressMonitor;
/**
* Tests for verifying whether the PDOM correctly stores information about
* C functions.
*/
public class CFunctionTests extends PDOMTestBase {
protected ICProject project;
protected PDOM pdom;
public static Test suite() {
return suite(CFunctionTests.class);
}
@Override
protected void setUp() throws Exception {
project = createProject("functionTests");
pdom = (PDOM) CCoreInternals.getPDOMManager().getPDOM(project);
pdom.acquireReadLock();
}
@Override
protected void tearDown() throws Exception {
pdom.releaseReadLock();
if (project != null) {
project.getProject().delete(IResource.FORCE | IResource.ALWAYS_DELETE_PROJECT_CONTENT, new NullProgressMonitor());
}
}
public void testExternCFunction() throws Exception {
IBinding[] bindings = findQualifiedName(pdom, "externCFunction");
assertEquals(1, bindings.length);
assertTrue(((IFunction) bindings[0]).isExtern());
}
public void testStaticCFunction() throws Exception {
// static elements cannot be found on global scope, see bug 161216
IBinding[] bindings = findUnqualifiedName(pdom, "staticCFunction");
assertEquals(1, bindings.length);
assertTrue(((IFunction) bindings[0]).isStatic());
}
public void testInlineCFunction() throws Exception {
IBinding[] bindings = findQualifiedName(pdom, "inlineCFunction");
assertEquals(1, bindings.length);
assertTrue(((IFunction) bindings[0]).isInline());
}
public void testVarArgsCFunction() throws Exception {
IBinding[] bindings = findQualifiedName(pdom, "varArgsCFunction");
assertEquals(1, bindings.length);
assertTrue(((IFunction) bindings[0]).takesVarArgs());
}
public void testKnRStyleFunctionWithProblemParameters() throws Exception {
IBinding[] bindings = findQualifiedName(pdom, "KnRfunctionWithProblemParameters");
assertEquals(1, bindings.length);
IFunction f= (IFunction) bindings[0];
IParameter[] params= f.getParameters();
assertEquals(3, params.length);
assertNull(params[0].getType()); // its a problem binding in the DOM
assertTrue(params[1].getType() instanceof ICBasicType);
assertTrue(params[2].getType() instanceof ICBasicType);
}
public void testFunctionWithRegisterParam() throws Exception {
IBinding[] bindings = findQualifiedName(pdom, "storageClassCFunction");
assertEquals(1, bindings.length);
IFunction f= (IFunction) bindings[0];
IParameter[] params= f.getParameters();
assertEquals(2, params.length);
assertEquals(true, params[0].isRegister());
assertEquals(false, params[1].isRegister());
}
}