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https://github.com/eclipse-cdt/cdt
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Test cases for bugs 268685 and 258704.
This commit is contained in:
Sergey Prigogin
parent
4276eab9a2
commit
435362c89d
1 changed files with 235 additions and 8 deletions
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@ -16,6 +16,7 @@ import java.io.ByteArrayInputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.lang.reflect.Field;
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import java.util.regex.Pattern;
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import junit.framework.TestSuite;
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@ -27,7 +28,10 @@ import org.eclipse.cdt.core.dom.IPDOMManager;
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import org.eclipse.cdt.core.dom.ast.ASTTypeUtil;
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import org.eclipse.cdt.core.dom.ast.DOMException;
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import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
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import org.eclipse.cdt.core.dom.ast.IASTImplicitName;
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import org.eclipse.cdt.core.dom.ast.IASTImplicitNameOwner;
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import org.eclipse.cdt.core.dom.ast.IASTName;
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import org.eclipse.cdt.core.dom.ast.IASTNodeSelector;
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import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration;
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import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
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import org.eclipse.cdt.core.dom.ast.IBasicType;
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@ -57,6 +61,7 @@ import org.eclipse.cdt.core.index.IIndexManager;
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import org.eclipse.cdt.core.index.IIndexName;
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import org.eclipse.cdt.core.index.IndexFilter;
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import org.eclipse.cdt.core.index.IndexLocationFactory;
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import org.eclipse.cdt.core.model.CModelException;
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import org.eclipse.cdt.core.model.CoreModel;
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import org.eclipse.cdt.core.model.ICElement;
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import org.eclipse.cdt.core.model.ICProject;
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@ -66,6 +71,7 @@ import org.eclipse.cdt.core.testplugin.CTestPlugin;
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import org.eclipse.cdt.core.testplugin.TestScannerProvider;
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import org.eclipse.cdt.core.testplugin.util.BaseTestCase;
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import org.eclipse.cdt.core.testplugin.util.TestSourceReader;
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import org.eclipse.cdt.internal.core.dom.parser.ASTNode;
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import org.eclipse.core.resources.IContainer;
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import org.eclipse.core.resources.IFile;
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import org.eclipse.core.resources.IProject;
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@ -84,6 +90,140 @@ public class IndexBugsTests extends BaseTestCase {
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super(name);
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}
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protected class BindingAssertionHelper {
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protected IASTTranslationUnit tu;
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protected String contents;
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public BindingAssertionHelper(IFile file, String contents, IIndex index) throws CModelException, CoreException {
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this.contents= contents;
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this.tu= TestSourceReader.createIndexBasedAST(index, fCProject, file);
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}
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public IASTTranslationUnit getTranslationUnit() {
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return tu;
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}
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public IBinding assertProblem(String section, int len) {
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IBinding binding= binding(section, len);
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assertTrue("Non-ProblemBinding for name: " + section.substring(0, len),
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binding instanceof IProblemBinding);
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return binding;
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}
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public <T extends IBinding> T assertNonProblem(String section, int len) {
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IBinding binding= binding(section, len);
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if (binding instanceof IProblemBinding) {
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IProblemBinding problem= (IProblemBinding) binding;
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fail("ProblemBinding for name: " + section.substring(0, len) + " (" + renderProblemID(problem.getID())+")");
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}
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if (binding == null) {
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fail("Null binding resolved for name: " + section.substring(0, len));
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}
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return (T) binding;
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}
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public void assertNoName(String section, int len) {
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IASTName name= findName(section,len,false);
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if (name != null) {
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String selection = section.substring(0, len);
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fail("Found unexpected \"" + selection + "\": " + name.resolveBinding());
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}
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}
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/**
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* Asserts that there is exactly one name at the given location and that
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* it resolves to the given type of binding.
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*/
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public IASTImplicitName assertImplicitName(String section, int len, Class<?> bindingClass) {
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IASTName name = findName(section,len,true);
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final String selection = section.substring(0, len);
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assertNotNull("did not find \""+selection+"\"", name);
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assertInstance(name, IASTImplicitName.class);
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IASTImplicitNameOwner owner = (IASTImplicitNameOwner) name.getParent();
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IASTImplicitName[] implicits = owner.getImplicitNames();
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assertNotNull(implicits);
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if (implicits.length > 1) {
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boolean found = false;
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for (IASTImplicitName n : implicits) {
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if (((ASTNode)n).getOffset() == ((ASTNode)name).getOffset()) {
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assertFalse(found);
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found = true;
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}
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}
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assertTrue(found);
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}
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assertEquals(selection, name.getRawSignature());
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IBinding binding = name.resolveBinding();
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assertNotNull(binding);
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assertInstance(binding, bindingClass);
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return (IASTImplicitName) name;
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}
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public void assertNoImplicitName(String section, int len) {
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IASTName name = findName(section,len,true);
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final String selection = section.substring(0, len);
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assertNull("found name \""+selection+"\"", name);
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}
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public IASTImplicitName[] getImplicitNames(String section, int len) {
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IASTName name = findName(section,len,true);
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IASTImplicitNameOwner owner = (IASTImplicitNameOwner) name.getParent();
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IASTImplicitName[] implicits = owner.getImplicitNames();
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return implicits;
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}
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private IASTName findName(String section, int len, boolean implicit) {
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final int offset = contents.indexOf(section);
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assertTrue(offset >= 0);
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IASTNodeSelector selector = tu.getNodeSelector(null);
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return implicit ? selector.findImplicitName(offset, len) : selector.findName(offset, len);
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}
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private String renderProblemID(int i) {
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try {
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for (Field field : IProblemBinding.class.getDeclaredFields()) {
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if (field.getName().startsWith("SEMANTIC_")) {
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if (field.getType() == int.class) {
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Integer ci= (Integer) field.get(null);
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if (ci.intValue() == i) {
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return field.getName();
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}
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}
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}
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}
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} catch(IllegalAccessException iae) {
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throw new RuntimeException(iae);
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}
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return "Unknown problem ID";
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}
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public <T extends IBinding> T assertNonProblem(String section, int len, Class<T> type, Class... cs) {
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IBinding binding= binding(section, len);
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assertTrue("ProblemBinding for name: " + section.substring(0, len),
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!(binding instanceof IProblemBinding));
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assertInstance(binding, type);
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for (Class c : cs) {
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assertInstance(binding, c);
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}
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return type.cast(binding);
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}
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private IBinding binding(String section, int len) {
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IASTName name = findName(section, len,false);
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final String selection = section.substring(0, len);
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assertNotNull("Did not find \"" + selection + "\"", name);
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assertEquals(selection, name.getRawSignature());
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IBinding binding = name.resolveBinding();
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assertNotNull("No binding for " + name.getRawSignature(), binding);
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return name.resolveBinding();
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}
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}
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public static TestSuite suite() {
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final TestSuite ts = suite(IndexBugsTests.class);
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ts.addTest(Bug246129.suite());
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@ -167,24 +307,24 @@ public class IndexBugsTests extends BaseTestCase {
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* @return the associated name's binding
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*/
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protected <T> T getBindingFromASTName(IASTTranslationUnit ast, String source, String section, int len,
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Class<T> clazz, Class ... cs) {
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Class<T> clazz, Class... cs) {
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IASTName name= ast.getNodeSelector(null).findName(source.indexOf(section), len);
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assertNotNull("name not found for \""+section+"\"", name);
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assertNotNull("Name not found for \"" + section + "\"", name);
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assertEquals(section.substring(0, len), name.getRawSignature());
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IBinding binding = name.resolveBinding();
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assertNotNull("No binding for "+name.getRawSignature(), binding);
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assertFalse("Binding is a ProblemBinding for name "+name.getRawSignature(),
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IProblemBinding.class.isAssignableFrom(name.resolveBinding().getClass()));
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assertNotNull("No binding for " + section.substring(0, len), binding);
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assertTrue("ProblemBinding for name: " + section.substring(0, len),
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!(binding instanceof IProblemBinding));
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assertInstance(binding, clazz, cs);
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return clazz.cast(binding);
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}
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protected static <T> T assertInstance(Object o, Class<T> clazz, Class ... cs) {
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assertNotNull("Expected "+clazz.getName()+" but got null", o);
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assertTrue("Expected "+clazz.getName()+" but got "+o.getClass().getName(), clazz.isInstance(o));
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assertNotNull("Expected " + clazz.getName() + " but got null", o);
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assertTrue("Expected " + clazz.getName() + " but got " + o.getClass().getName(), clazz.isInstance(o));
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for (Class c : cs) {
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assertTrue("Expected "+clazz.getName()+" but got "+o.getClass().getName(), c.isInstance(o));
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assertTrue("Expected " + clazz.getName() + " but got " + o.getClass().getName(), c.isInstance(o));
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}
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return clazz.cast(o);
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}
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@ -1740,4 +1880,91 @@ public class IndexBugsTests extends BaseTestCase {
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fIndex.releaseReadLock();
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}
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}
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// // a.h
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// struct A {
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// int i;
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// };
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// #include "a.h"
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// void test() {
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// A a;
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// a.i = 0;
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// a.j = 0;
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// }
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// // b.h
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// struct A {
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// int j;
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// };
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// #include "b.h"
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// void test() {
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// A a;
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// a.i = 0;
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// a.j = 0;
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// }
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public void _testDisambiguationByReachability_268685() throws Exception {
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waitForIndexer();
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String[] testData = getContentsForTest(4);
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TestSourceReader.createFile(fCProject.getProject(), "a.h", testData[0]);
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IFile a = TestSourceReader.createFile(fCProject.getProject(), "a.cpp", testData[1]);
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TestSourceReader.createFile(fCProject.getProject(), "b.h", testData[2]);
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IFile b = TestSourceReader.createFile(fCProject.getProject(), "b.cpp", testData[3]);
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final IIndexManager indexManager = CCorePlugin.getIndexManager();
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indexManager.reindex(fCProject);
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waitForIndexer();
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IIndex index= indexManager.getIndex(fCProject);
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index.acquireReadLock();
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try {
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BindingAssertionHelper aHelper = new BindingAssertionHelper(a, testData[1], index);
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aHelper.assertNonProblem("i = 0;", 1, ICPPVariable.class);
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aHelper.assertProblem("j = 0;", 1);
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BindingAssertionHelper bHelper = new BindingAssertionHelper(b, testData[3], index);
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bHelper.assertProblem("i = 0;", 1);
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bHelper.assertNonProblem("j = 0;", 1, ICPPVariable.class);
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} finally {
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index.releaseReadLock();
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}
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}
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// // a.h
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// namespace ns {
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// enum E1 { e = 1 };
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// }
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// #include "a.h"
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// using namespace ns;
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// int i = e;
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// // b.h
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// enum E2 { e = 2 };
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// #include "b.h"
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// int i = e;
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public void _testDisambiguationByReachability_268704() throws Exception {
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waitForIndexer();
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String[] testData = getContentsForTest(4);
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TestSourceReader.createFile(fCProject.getProject(), "a.h", testData[0]);
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IFile a = TestSourceReader.createFile(fCProject.getProject(), "a.cpp", testData[1]);
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TestSourceReader.createFile(fCProject.getProject(), "b.h", testData[2]);
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IFile b = TestSourceReader.createFile(fCProject.getProject(), "b.cpp", testData[3]);
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final IIndexManager indexManager = CCorePlugin.getIndexManager();
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indexManager.reindex(fCProject);
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waitForIndexer();
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IIndex index= indexManager.getIndex(fCProject);
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index.acquireReadLock();
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try {
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BindingAssertionHelper aHelper = new BindingAssertionHelper(a, testData[1], index);
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IEnumerator e1 = aHelper.assertNonProblem("e;", 1, IEnumerator.class);
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assertEquals(1, e1.getValue().numericalValue().longValue());
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BindingAssertionHelper bHelper = new BindingAssertionHelper(b, testData[3], index);
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IEnumerator e2 = bHelper.assertNonProblem("e;", 1, IEnumerator.class);
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assertEquals(2, e2.getValue().numericalValue().longValue());
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} finally {
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index.releaseReadLock();
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}
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}
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}
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