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/*******************************************************************************
* Copyright (c) 2006, 2015 IBM Corporation.
*
* 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
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.pdom.tests;
import java.util.regex.Pattern;
import junit.framework.Test;
import org.eclipse.cdt.core.dom.IName;
import org.eclipse.cdt.core.dom.ast.IASTFileLocation;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespace;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPNamespaceAlias;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPVariable;
import org.eclipse.cdt.core.index.IIndex;
import org.eclipse.cdt.core.index.IndexFilter;
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.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
/**
* Tests for verifying whether the PDOM correctly stores information about C++ namespaces.
*
* @author Vivian Kong
*/
public class NamespaceTests extends PDOMTestBase {
protected ICProject project;
protected PDOM pdom;
protected IProgressMonitor NULL_MONITOR = new NullProgressMonitor();
protected IndexFilter INDEX_FILTER = IndexFilter.ALL;
public static Test suite() {
return suite(NamespaceTests.class);
}
@Override
protected void setUp() throws Exception {
if (pdom == null) {
project = createProject("namespaceTests", true);
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 testAlias() throws Exception {
// Find all the namespace
IBinding[] namespaces = pdom.findBindings(Pattern.compile("namespace1"), false, INDEX_FILTER, NULL_MONITOR);
assertEquals(1, namespaces.length);
assertTrue(namespaces[0] instanceof ICPPNamespace);
ICPPNamespace namespace1 = (ICPPNamespace) namespaces[0];
IBinding[] members = namespace1.getMemberBindings();
assertEquals(1, members.length);
assertTrue(members[0] instanceof ICPPNamespace);
assertEquals("namespace2", ((ICPPNamespace) members[0]).getName()); //nested namespace
ICPPNamespace namespace2 = (ICPPNamespace) members[0];
namespaces = pdom.findBindings(Pattern.compile("namespaceNew"), false, INDEX_FILTER, NULL_MONITOR);
assertEquals(1, namespaces.length);
assertTrue(namespaces[0] instanceof ICPPNamespace);
assertTrue(namespaces[0] instanceof ICPPNamespaceAlias);
ICPPNamespaceAlias namespaceAlias = (ICPPNamespaceAlias) namespaces[0];
// TODO PDOM has no alias information
// namespace2 and namespaceAlias should be referencing the same namespace
assertEquals(namespace2, namespaceAlias.getBinding());
}
public void testNested() throws Exception {
// Find deeply nested namespace
Pattern[] patterns = {Pattern.compile("namespace1"), Pattern.compile("namespace2"), Pattern.compile("namespace3")};
IBinding[] namespaces = pdom.findBindings(patterns, false, INDEX_FILTER, NULL_MONITOR);
assertEquals(1, namespaces.length);
assertTrue(namespaces[0] instanceof ICPPNamespace);
}
public void testMemberDefinition() throws Exception {
// Find the definition of a member declared in a namespace
Pattern[] patterns = {Pattern.compile("namespace1"), Pattern.compile("namespace2"), Pattern.compile("foo")};
IBinding[] members = pdom.findBindings(patterns, false, INDEX_FILTER, NULL_MONITOR);
assertEquals(1, members.length);
assertTrue(members[0] instanceof ICPPFunction);
IName[] decls = pdom.findNames(members[0], IIndex.FIND_DECLARATIONS);
assertEquals(1, decls.length);
IASTFileLocation loc = decls[0].getFileLocation();
assertEquals(offset("namespace.cpp", "void foo()") + 5, loc.getNodeOffset()); // character offset
IName[] defs = pdom.findNames(members[0], IIndex.FIND_DEFINITIONS);
assertEquals(1, defs.length);
loc = defs[0].getFileLocation();
assertEquals(offset("namespace.cpp", "::foo()") + 2, loc.getNodeOffset()); // character offset
}
public void testExtend() throws Exception {
// Extending a namespace
IBinding[] namespaces = pdom.findBindings(Pattern.compile("ns1"), false, INDEX_FILTER, NULL_MONITOR);
assertEquals(1, namespaces.length);
assertTrue(namespaces[0] instanceof ICPPNamespace);
ICPPNamespace namespace1 = (ICPPNamespace) namespaces[0];
Pattern[] patterns = {Pattern.compile("ns1"), Pattern.compile("c")};
IBinding[] members = pdom.findBindings(patterns, false, INDEX_FILTER, NULL_MONITOR);
assertEquals(1, members.length); // c was added by extending the namespace
}
public void testOverload() throws Exception {
// Function overloading in namespace
Pattern[] patterns = {Pattern.compile("ns3"), Pattern.compile("blah")};
IBinding[] functions = pdom.findBindings(patterns, false, INDEX_FILTER, NULL_MONITOR);
assertEquals(1, functions.length);
assertTrue(functions[0] instanceof ICPPFunction);
ICPPFunction function = (ICPPFunction) functions[0];
IName[] defs = pdom.findNames(function, IIndex.FIND_DEFINITIONS);
assertEquals(1, defs.length);
IASTFileLocation loc = defs[0].getFileLocation();
assertEquals(offset("overload.cpp", "void blah(char)") + 5, loc.getNodeOffset()); // character offset
IName[] decls = pdom.findNames(function, IIndex.FIND_DECLARATIONS_DEFINITIONS);
assertEquals(1, decls.length);
loc = decls[0].getFileLocation();
assertEquals(offset("overload.cpp", "void blah(char)") + 5, loc.getNodeOffset()); // character offset
IName[] refs = pdom.findNames(function, IIndex.FIND_REFERENCES);
assertEquals(1, refs.length);
loc = refs[0].getFileLocation();
assertEquals(offset("overload.cpp", "blah('a')"), loc.getNodeOffset()); // character offset
}
public void testUnnamed_162226() throws Exception {
// Unnamed Namespace
IBinding[] functions = pdom.findBindings(Pattern.compile("function1"), true, INDEX_FILTER, NULL_MONITOR);
assertEquals(1, functions.length);
assertTrue(functions[0] instanceof ICPPFunction);
ICPPFunction function = (ICPPFunction) functions[0];
IName[] defs = pdom.findNames(function, IIndex.FIND_DEFINITIONS);
assertEquals(1, defs.length);
IASTFileLocation loc = defs[0].getFileLocation();
assertEquals(offset("unnamed.cpp", "void function1()") + 5, loc.getNodeOffset()); // character offset
IName[] decls = pdom.findNames(function, IIndex.FIND_DECLARATIONS_DEFINITIONS);
assertEquals(1, decls.length);
loc = decls[0].getFileLocation();
assertEquals(offset("unnamed.cpp", "void function1()") + 5, loc.getNodeOffset()); // character offset
IName[] refs = pdom.findNames(function, IIndex.FIND_REFERENCES);
assertEquals(1, refs.length);
loc = refs[0].getFileLocation();
assertEquals(offset("unnamed.cpp", "function1();"), loc.getNodeOffset()); // character offset
}
public void testFriend_162011() throws Exception {
// Friend in namespace - function2 is not in Class1
IBinding[] functions = pdom.findBindings(Pattern.compile("function2"), false, INDEX_FILTER, NULL_MONITOR);
assertEquals(1, functions.length);
assertTrue(functions[0] instanceof ICPPFunction);
ICPPFunction function = (ICPPFunction) functions[0];
IName[] defs = pdom.findNames(function, IIndex.FIND_DEFINITIONS);
assertEquals(1, defs.length);
IASTFileLocation loc = defs[0].getFileLocation();
assertEquals(offset("friend.cpp", "void function2(Class1){};") + 5, loc.getNodeOffset()); // character offset
IName[] decls = pdom.findNames(function, IIndex.FIND_DECLARATIONS);
assertEquals(1, decls.length);
loc = decls[0].getFileLocation();
assertEquals(offset("friend.cpp", "friend void function2(Class1);") + 12, loc.getNodeOffset()); // character offset
IName[] refs = pdom.findNames(function, IIndex.FIND_REFERENCES);
assertEquals(1, refs.length);
loc = refs[0].getFileLocation();
assertEquals(offset("friend.cpp", "ns4::function2(element)") + 5, loc.getNodeOffset()); // character offset
}
public void testUsingDirective() throws Exception {
// TODO need to test for PDOM? or is it more for compiler?
Pattern[] patterns = {Pattern.compile("ns4"), Pattern.compile("element")};
IBinding[] variables = pdom.findBindings(patterns, false, INDEX_FILTER, NULL_MONITOR);
assertEquals(1, variables.length);
assertTrue(variables[0] instanceof ICPPVariable);
ICPPVariable variable1 = (ICPPVariable) variables[0];
IName[] defs = pdom.findNames(variable1, IIndex.FIND_DEFINITIONS);
assertEquals(1, defs.length);
IASTFileLocation loc = defs[0].getFileLocation();
assertEquals(offset("friend.cpp", "Class1 element;") + 7, loc.getNodeOffset()); // character offset
IName[] decls = pdom.findNames(variable1, IIndex.FIND_DECLARATIONS);
assertEquals(0, decls.length);
IName[] refs = pdom.findNames(variable1, IIndex.FIND_REFERENCES);
assertEquals(3, refs.length);
}
}
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