tests/org.eclipse.wst.jsdt.core.tests.model/src/org/eclipse/wst/jsdt/core/tests/model/AbstractJavaSearchTests.java - gerrit/jsdt/webtools.jsdt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2009 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.wst.jsdt.core.tests.model;

 import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;

 import org.eclipse.core.resources.*;
 import org.eclipse.core.runtime.*;
 import org.eclipse.wst.jsdt.core.*;
 import org.eclipse.wst.jsdt.core.compiler.CharOperation;
 import org.eclipse.wst.jsdt.core.search.*;
 import org.eclipse.wst.jsdt.internal.compiler.problem.AbortCompilationUnit;
 import org.eclipse.wst.jsdt.internal.core.PackageFragment;
 //import org.eclipse.wst.jsdt.internal.core.ResolvedSourceMethod;
 //import org.eclipse.wst.jsdt.internal.core.ResolvedSourceType;
 import org.eclipse.wst.jsdt.internal.core.SourceRefElement;

 /**
  * Abstract class for Java Search tests.
  */
 public class AbstractJavaSearchTests extends AbstractJavaModelTests implements IJavaScriptSearchConstants {

 	public static List JAVA_SEARCH_SUITES = null;
 	protected static IJavaScriptProject JAVA_PROJECT;
 	protected static boolean COPY_DIRS = true;
 	protected static int EXACT_RULE = SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE;
 	protected static int EQUIVALENT_RULE = EXACT_RULE | SearchPattern.R_EQUIVALENT_MATCH;
 	protected static int ERASURE_RULE = EXACT_RULE | SearchPattern.R_ERASURE_MATCH;
 	protected static int RAW_RULE = EXACT_RULE | SearchPattern.R_ERASURE_MATCH | SearchPattern.R_EQUIVALENT_MATCH;
 	protected static int SUPER_INVOCATION_FLAVOR = 0x0200;

 //	IJavaScriptUnit[] workingCopies;
 //	boolean discard;

 	/**
 	 * Collects results as a string.
 	 */
 	public static class JavaSearchResultCollector extends SearchRequestor {
 		protected SearchMatch match;
 		public StringBuffer results = new StringBuffer(), line;
 		public boolean showAccuracy;
 		public boolean showContext;
 		public boolean showRule;
 		public boolean showInsideDoc;
 		public boolean showPotential = true;
 		public boolean showProject;
 		public boolean showSynthetic;
 		public int showFlavors = 0;
 		public int count = 0;
 		public void acceptSearchMatch(SearchMatch searchMatch) throws CoreException {
 			count++;
 			this.match = searchMatch;
 			writeLine();
 			if (line != null) {
 				writeLineToResult();
 			}
 		}
 		protected void writeLineToResult() {
 			if (match.getAccuracy() == SearchMatch.A_ACCURATE || showPotential) {
 				if (results.length() > 0) results.append("\n");
 				results.append(line);
 			}
 		}
 		protected void writeLine() throws CoreException {
 			try {
 				IResource resource = match.getResource();
 				IJavaScriptElement element = getElement(match);
 				line = new StringBuffer(getPathString(resource, element));
 				if (this.showProject) {
 					IProject project = element.getJavaScriptProject().getProject();
 					line.append(" [in ");
 					line.append(project.getName());
 					line.append("]");
 				}
 				IJavaScriptUnit unit = null;
 				if (element instanceof IFunction) {
 					line.append(" ");
 					IFunction method = (IFunction)element;
 					append(method);
 					unit = method.getJavaScriptUnit();
 				} else if (element instanceof IType) {
 					line.append(" ");
 					IType type = (IType)element;
 					append(type);
 					unit = type.getJavaScriptUnit();
 				} else if (element instanceof IField) {
 					line.append(" ");
 					IField field = (IField)element;
 					append(field);
 					unit = field.getJavaScriptUnit();
 				} else if (element instanceof IInitializer) {
 					line.append(" ");
 					IInitializer initializer = (IInitializer)element;
 					append(initializer);
 					unit = initializer.getJavaScriptUnit();
 				} else if (element instanceof IPackageFragment) {
 					line.append(" ");
 					append((IPackageFragment)element);
 				} else if (element instanceof ILocalVariable) {
 					line.append(" ");
 					ILocalVariable localVar = (ILocalVariable)element;
 					IJavaScriptElement parent = localVar.getParent();
 					if (parent instanceof IInitializer) {
 						IInitializer initializer = (IInitializer)parent;
 						append(initializer);
 						line.append(".");
 					} else if (parent instanceof IFunction){ // IFunction
 						IFunction method = (IFunction)parent;
 						append(method);
 						line.append(".");
 					}
 					line.append(localVar.getElementName());
 					unit = (IJavaScriptUnit)localVar.getAncestor(IJavaScriptElement.JAVASCRIPT_UNIT);
 				} else if (element instanceof IImportDeclaration) {
 					IImportDeclaration importDeclaration = (IImportDeclaration)element;
 					unit = (IJavaScriptUnit)importDeclaration.getAncestor(IJavaScriptElement.JAVASCRIPT_UNIT);
 				}
 				if (resource instanceof IFile) {
 					char[] contents = getSource(resource, element, unit);
 					int start = match.getOffset();
 					int end = start + match.getLength();
 					if (start == -1 || (contents != null && contents.length > 0)) { // retrieving attached source not implemented here
 						line.append(" [");
 						if (start > -1) {
 							if (this.showContext) {
 								int lineStart1 = CharOperation.lastIndexOf('\n', contents, 0, start);
 								int lineStart2 = CharOperation.lastIndexOf('\r', contents, 0, start);
 								int lineStart = Math.max(lineStart1, lineStart2) + 1;
 								line.append(CharOperation.subarray(contents, lineStart, start));
 								line.append("<");
 							}
 							line.append(CharOperation.subarray(contents, start, end));
 							if (this.showContext) {
 								line.append(">");
 								int lineEnd1 = CharOperation.indexOf('\n', contents, end);
 								int lineEnd2 = CharOperation.indexOf('\r', contents, end);
 								int lineEnd = lineEnd1 > 0 && lineEnd2 > 0 ? Math.min(lineEnd1, lineEnd2) : Math.max(lineEnd1, lineEnd2);
 								if (lineEnd == -1) lineEnd = contents.length;
 								line.append(CharOperation.subarray(contents, end, lineEnd));
 							}
 						} else {
 							line.append("No source");
 						}
 						line.append("]");
 					}
 				}
 				if (this.showAccuracy) {
 					line.append(" ");
 					if (match.getAccuracy() == SearchMatch.A_ACCURATE) {
 						if (this.showRule) {
 							if (match.isExact()) {
 								line.append("EXACT_");
 							} else if (match.isEquivalent()) {
 								line.append("EQUIVALENT_");
 							} else if (match.isErasure()) {
 								line.append("ERASURE_");
 							} else {
 								line.append("INVALID_RULE_");
 							}
 							if (match.isRaw()) {
 								line.append("RAW_");
 							}
 						} else {
 							line.append("EXACT_");
 						}
 						line.append("MATCH");
 					} else {
 						line.append("POTENTIAL_MATCH");
 					}
 				}
 				if (this.showInsideDoc) {
 					line.append(" ");
 					if (match.isInsideDocComment()) {
 						line.append("INSIDE_JAVADOC");
 					} else {
 						line.append("OUTSIDE_JAVADOC");
 					}
 				}
 				if (this.showSynthetic) {
 					if (match instanceof MethodReferenceMatch) {
 						MethodReferenceMatch methRef = (MethodReferenceMatch) match;
 					}
 				}
 				if (this.showFlavors > 0) {
 					if (match instanceof MethodReferenceMatch) {
 						MethodReferenceMatch methRef = (MethodReferenceMatch) match;
 						if (methRef.isSuperInvocation() && showSuperInvocation()) {
 							line.append(" SUPER INVOCATION");
 						}
 					}
 				}
 			} catch (JavaScriptModelException e) {
 				results.append("\n");
 				results.append(e.toString());
 			}
 		}
 		private boolean showSuperInvocation() {
 			return (this.showFlavors & SUPER_INVOCATION_FLAVOR) != 0;
 		}
 		protected void append(IField field) throws JavaScriptModelException {
 			append(field.getDeclaringType());
 			line.append(".");
 			line.append(field.getElementName());
 		}
 		private void append(IInitializer initializer) throws JavaScriptModelException {
 			append(initializer.getDeclaringType());
 			line.append(".");
 			if (Flags.isStatic(initializer.getFlags())) {
 				line.append("static ");
 			}
 			line.append("{}");
 		}
 		private void append(IFunction method) throws JavaScriptModelException {
 			if (!method.isConstructor() && method.getReturnType()!=null) {
 				line.append(Signature.toString(method.getReturnType()));
 				line.append(" ");
 			}
 			if (method.getDeclaringType()!=null)
 			{
 				append(method.getDeclaringType());
 				line.append(".");
 			}
 			if (!method.isConstructor()) {
 				line.append(method.getElementName());
 			}
 			line.append("(");
 			String[] parameters = method.getParameterTypes();
 			boolean varargs = Flags.isVarargs(method.getFlags());
 			for (int i = 0, length=parameters.length; i<length; i++) {
 				if (i < length - 1) {
 					line.append(Signature.toString(parameters[i]));
 					line.append(", "); //$NON-NLS-1$
 				} else if (varargs) {
 					// remove array from signature
 					String parameter = parameters[i].substring(1);
 					line.append(Signature.toString(parameter));
 					line.append(" ..."); //$NON-NLS-1$
 				} else {
 					line.append(Signature.toString(parameters[i]));
 				}
 			}
 			line.append(")");
 		}
 		private void append(IPackageFragment pkg) {
 			line.append(pkg.getElementName());
 		}
 		private void append(IType type) throws JavaScriptModelException {
 			IJavaScriptElement parent = type.getParent();
 			boolean isLocal = false;
 			switch (parent.getElementType()) {
 				case IJavaScriptElement.JAVASCRIPT_UNIT:
 					IPackageFragment pkg = type.getPackageFragment();
 					append(pkg);
 					if (!pkg.getElementName().equals(IPackageFragment.DEFAULT_PACKAGE_NAME)) {
 						line.append(".");
 					}
 					break;
 				case IJavaScriptElement.CLASS_FILE:
 					IType declaringType = type.getDeclaringType();
 					if (declaringType != null) {
 						append(type.getDeclaringType());
 						line.append("$");
 					} else {
 						pkg = type.getPackageFragment();
 						append(pkg);
 						if (!pkg.getElementName().equals(IPackageFragment.DEFAULT_PACKAGE_NAME)) {
 							line.append(".");
 						}
 					}
 					break;
 				case IJavaScriptElement.TYPE:
 					append((IType)parent);
 					line.append("$");
 					break;
 				case IJavaScriptElement.FIELD:
 					append((IField)parent);
 					isLocal = true;
 					break;
 				case IJavaScriptElement.INITIALIZER:
 					append((IInitializer)parent);
 					isLocal = true;
 					break;
 				case IJavaScriptElement.METHOD:
 					append((IFunction)parent);
 					isLocal = true;
 					break;
 			}
 			if (isLocal) {
 				line.append(":");
 			}
 			String typeName = type.getElementName();
 			if (typeName.length() == 0) {
 				line.append("<anonymous>");
 			} else {
 				line.append(typeName);
 			}
 			if (isLocal) {
 				line.append("#");
 				line.append(((SourceRefElement)type).occurrenceCount);
 			}
 		}
 		protected IJavaScriptElement getElement(SearchMatch searchMatch) {
 			return (IJavaScriptElement) searchMatch.getElement();
 		}
 		protected String getPathString(IResource resource, IJavaScriptElement element) {
 			String pathString;
 			if (resource != null) {
 				IPath path = resource.getProjectRelativePath();
 				if (path.segmentCount() == 0) {
 					IJavaScriptElement root = element;
 					while (root != null && !(root instanceof IPackageFragmentRoot)) {
 						root = root.getParent();
 					}
 					if (root != null) {
 						IPackageFragmentRoot pkgFragmentRoot = (IPackageFragmentRoot)root;
 						if (pkgFragmentRoot.isExternal()) {
 							pathString = pkgFragmentRoot.getPath().toOSString();
 						} else {
 							pathString = pkgFragmentRoot.getPath().toString();
 						}
 					} else {
 						pathString = "";
 					}
 				} else {
 					pathString = path.toString();
 				}
 			} else {
 				pathString = element.getPath().toString();
 			}
 			return pathString;
 		}
 		protected char[] getSource(IResource resource, IJavaScriptElement element, IJavaScriptUnit unit) throws CoreException {
 			char[] contents = CharOperation.NO_CHAR;
 			if ("js".equals(resource.getFileExtension())) {
 				IJavaScriptUnit cu = (IJavaScriptUnit)element.getAncestor(IJavaScriptElement.JAVASCRIPT_UNIT);
 				if (cu != null && cu.isWorkingCopy()) {
 					// working copy
 					contents = unit.getBuffer().getCharacters();
 				} else {
 					IFile file = ((IFile) resource);
 					try {
 						contents = new org.eclipse.wst.jsdt.internal.compiler.batch.CompilationUnit(
 							null,
 							file.getLocation().toFile().getPath(),
 							file.getCharset()).getContents();
 					} catch(AbortCompilationUnit e) {
 						// TODO (philippe) occured with a FileNotFoundException
 						// ignore
 					}
 				}
 			}
 			return contents;
 		}
 		public String toString() {
 			return results.toString();
 		}
 	}

 	static class TypeNameMatchCollector extends TypeNameMatchRequestor {
 		List matches = new ArrayList();
 		public void acceptTypeNameMatch(TypeNameMatch match) {
 			IType type = match.getType();
 			if (type != null) {
 				this.matches.add(type);
 			}
 		}
 		public int size() {
 			return this.matches.size();
 		}
 		private String toString(int kind) {
 			int size = size();
 			if (size == 0) return "";
 			String[] strings = new String[size];
 			for (int i=0; i<size; i++) {
 				IType type = (IType) this.matches.get(i);
 				switch (kind) {
 					case 1: // fully qualified name
 						strings[i] = type.getFullyQualifiedName();
 						break;
 					case 0:
 					default:
 						strings[i] = type.toString();
 				}
 			}
 			Arrays.sort(strings);
 			StringBuffer buffer = new StringBuffer();
 			for (int i=0; i<size; i++) {
 				if (i>0) buffer.append('\n');
 				buffer.append(strings[i]);
 			}
 			return buffer.toString();
 		}
 		public String toString() {
 			return toString(0);
 		}
 		public String toFullyQualifiedNamesString() {
 			return toString(1);
 		}
 	}

 protected JavaSearchResultCollector resultCollector;

 	public AbstractJavaSearchTests(String name) {
 		this(name, 2);
 	}
 	public AbstractJavaSearchTests(String name, int tabs) {
 		super(name, tabs);
 		this.displayName = true;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.wst.jsdt.core.tests.model.AbstractJavaModelTests#assertSearchResults(java.lang.String, java.lang.Object)
 	 */
 	protected void assertSearchResults(String expected) {
 		assertSearchResults(expected, resultCollector);
 	}
 	protected void assertSearchResults(String expected, JavaSearchResultCollector collector) {
 		assertSearchResults("Unexpected search results", expected, collector);
 	}
 	protected void assertSearchResults(String message, String expected, JavaSearchResultCollector collector) {
 		String actual = collector.toString();
 		if (!expected.equals(actual)) {
 			if (this.displayName) {
 				System.out.print(getName());
 				System.out.print(" got ");
 				if (collector.count==0)
 					System.out.println("no result!");
 				else {
 					System.out.print(collector.count);
 					System.out.print(" result");
 					if (collector.count==1)
 						System.out.println(":");
 					else
 						System.out.println("s:");
 				}
 			}
 			if (!displayName || collector.count>0) {
 				System.out.print(displayString(actual, this.tabs));
 				System.out.println(this.endChar);
 			}
 			if (this.workingCopies != null) {
 				int length = this.workingCopies.length;
 				String[] sources = new String[length*2];
 				for (int i=0; i<length; i++) {
 					sources[i*2] = this.workingCopies[i].getPath().toString();
 					try {
 						sources[i*2+1] = this.workingCopies[i].getSource();
 					} catch (JavaScriptModelException e) {
 						// ignore
 					}
 				}
 				System.out.println("--------------------------------------------------------------------------------");
 				for (int i=0; i<length; i+=2) {
 					System.out.println(sources[i]);
 					System.out.println(sources[i+1]);
 				}
 			}
 		}
 		assertEquals(
 			message,
 			expected,
 			actual
 		);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.wst.jsdt.core.tests.model.AbstractJavaModelTests#copyDirectory(java.io.File, java.io.File)
 	 */
 	protected void copyDirectory(File sourceDir, File targetDir) throws IOException {
 		if (COPY_DIRS) {
 			super.copyDirectory(sourceDir, targetDir);
 		} else {
 			targetDir.mkdirs();
 			File sourceFile = new File(sourceDir, ".project");
 			File targetFile = new File(targetDir, ".project");
 			targetFile.createNewFile();
 			copy(sourceFile, targetFile);
 			sourceFile = new File(sourceDir, ".classpath");
 			targetFile = new File(targetDir, ".classpath");
 			targetFile.createNewFile();
 			copy(sourceFile, targetFile);
 		}
 	}
 	IJavaScriptSearchScope getJavaSearchScope() {
 		return SearchEngine.createJavaSearchScope(new IJavaScriptProject[] {getJavaProject("JSSearch")});
 	}
 	IJavaScriptSearchScope getJavaSearchScope15() {
 		return SearchEngine.createJavaSearchScope(new IJavaScriptProject[] {getJavaProject("JavaSearch15")});
 	}
 	IJavaScriptSearchScope getJavaSearchScope15(String packageName, boolean addSubpackages) throws JavaScriptModelException {
 		if (packageName == null) return getJavaSearchScope15();
 		return getJavaSearchPackageScope("JavaSearch15", packageName, addSubpackages);
 	}
 	IJavaScriptSearchScope getJavaSearchPackageScope(String projectName, String packageName, boolean addSubpackages) throws JavaScriptModelException {
 		IPackageFragment fragment = getPackageFragment(projectName, "src", packageName);
 		if (fragment == null) return null;
 		IJavaScriptElement[] searchPackages = null;
 		if (addSubpackages) {
 			// Create list of package with first found one
 			List packages = new ArrayList();
 			packages.add(fragment);
 			// Add all possible subpackages
 			IJavaScriptElement[] children= ((IPackageFragmentRoot)fragment.getParent()).getChildren();
 			String[] names = ((PackageFragment)fragment).names;
 			int namesLength = names.length;
 			nextPackage: for (int i= 0, length = children.length; i < length; i++) {
 				PackageFragment currentPackage = (PackageFragment) children[i];
 				String[] otherNames = currentPackage.names;
 				if (otherNames.length <= namesLength) continue nextPackage;
 				for (int j = 0; j < namesLength; j++) {
 					if (!names[j].equals(otherNames[j]))
 						continue nextPackage;
 				}
 				packages.add(currentPackage);
 			}
 			searchPackages = new IJavaScriptElement[packages.size()];
 			packages.toArray(searchPackages);
 		} else {
 			searchPackages = new IJavaScriptElement[1];
 			searchPackages[0] = fragment;
 		}
 		return SearchEngine.createJavaSearchScope(searchPackages);
 	}
 	IJavaScriptSearchScope getJavaSearchCUScope(String projectName, String packageName, String cuName) throws JavaScriptModelException {
 		IJavaScriptUnit cu = getCompilationUnit(projectName, "src", packageName, cuName);
 		return SearchEngine.createJavaSearchScope(new IJavaScriptUnit[] { cu });
 	}
 	protected void search(IJavaScriptElement element, int limitTo, IJavaScriptSearchScope scope) throws CoreException {
 		search(element, limitTo, EXACT_RULE, scope, resultCollector);
 	}
 	IJavaScriptSearchScope getJavaSearchWorkingCopiesScope(IJavaScriptUnit workingCopy) throws JavaScriptModelException {
 		return SearchEngine.createJavaSearchScope(new IJavaScriptUnit[] { workingCopy });
 	}
 	IJavaScriptSearchScope getJavaSearchWorkingCopiesScope() throws JavaScriptModelException {
 		return SearchEngine.createJavaSearchScope(this.workingCopies);
 	}
 	protected void search(IJavaScriptElement element, int limitTo, int matchRule, IJavaScriptSearchScope scope) throws CoreException {
 		search(element, limitTo, matchRule, scope, resultCollector);
 	}
 	protected void search(IJavaScriptElement element, int limitTo, int matchRule, IJavaScriptSearchScope scope, SearchRequestor requestor) throws CoreException {
 		SearchPattern pattern = SearchPattern.createPattern(element, limitTo, matchRule);
 		assertNotNull("Pattern should not be null", pattern);
 		new SearchEngine(workingCopies).search(
 			pattern,
 			new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
 			scope,
 			requestor,
 			null
 		);
 	}
 	protected void search(SearchPattern searchPattern, IJavaScriptSearchScope scope, SearchRequestor requestor) throws CoreException {
 		new SearchEngine().search(
 			searchPattern,
 			new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
 			scope,
 			requestor,
 			null);
 	}
 	protected void search(String patternString, int searchFor, int limitTo, IJavaScriptSearchScope scope) throws CoreException {
 		search(patternString, searchFor, limitTo, EXACT_RULE, scope, resultCollector);
 	}
 	protected void search(String patternString, int searchFor, int limitTo, int matchRule, IJavaScriptSearchScope scope) throws CoreException {
 		search(patternString, searchFor, limitTo, matchRule, scope, resultCollector);
 	}
 	protected void search(String patternString, int searchFor, int limitTo, int matchRule, IJavaScriptSearchScope scope, SearchRequestor requestor) throws CoreException {
 		if (patternString.indexOf('*') != -1 || patternString.indexOf('?') != -1) {
 			matchRule |= SearchPattern.R_PATTERN_MATCH;
 		}
 		SearchPattern pattern = SearchPattern.createPattern(
 			patternString,
 			searchFor,
 			limitTo,
 			matchRule);
 		assertNotNull("Pattern should not be null", pattern);
 		new SearchEngine(workingCopies).search(
 			pattern,
 			new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
 			scope,
 			requestor,
 			null);
 	}
 	protected void searchDeclarationsOfAccessedFields(IJavaScriptElement enclosingElement, SearchRequestor requestor) throws JavaScriptModelException {
 		new SearchEngine().searchDeclarationsOfAccessedFields(enclosingElement, requestor, null);
 	}
 	protected void searchDeclarationsOfReferencedTypes(IJavaScriptElement enclosingElement, SearchRequestor requestor) throws JavaScriptModelException {
 		new SearchEngine().searchDeclarationsOfReferencedTypes(enclosingElement, requestor, null);
 	}
 	protected void searchDeclarationsOfSentMessages(IJavaScriptElement enclosingElement, SearchRequestor requestor) throws JavaScriptModelException {
 		new SearchEngine().searchDeclarationsOfSentMessages(enclosingElement, requestor, null);
 	}
 	protected void setUp () throws Exception {
 		super.setUp();
 		this.resultCollector = new JavaSearchResultCollector();
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2009 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.wst.jsdt.core.tests.model;

	import java.io.File;
	import java.io.IOException;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.List;

	import org.eclipse.core.resources.*;
	import org.eclipse.core.runtime.*;
	import org.eclipse.wst.jsdt.core.*;
	import org.eclipse.wst.jsdt.core.compiler.CharOperation;
	import org.eclipse.wst.jsdt.core.search.*;
	import org.eclipse.wst.jsdt.internal.compiler.problem.AbortCompilationUnit;
	import org.eclipse.wst.jsdt.internal.core.PackageFragment;
	//import org.eclipse.wst.jsdt.internal.core.ResolvedSourceMethod;
	//import org.eclipse.wst.jsdt.internal.core.ResolvedSourceType;
	import org.eclipse.wst.jsdt.internal.core.SourceRefElement;

	/**
	* Abstract class for Java Search tests.
	*/
	public class AbstractJavaSearchTests extends AbstractJavaModelTests implements IJavaScriptSearchConstants {

	public static List JAVA_SEARCH_SUITES = null;
	protected static IJavaScriptProject JAVA_PROJECT;
	protected static boolean COPY_DIRS = true;
	protected static int EXACT_RULE = SearchPattern.R_EXACT_MATCH \| SearchPattern.R_CASE_SENSITIVE;
	protected static int EQUIVALENT_RULE = EXACT_RULE \| SearchPattern.R_EQUIVALENT_MATCH;
	protected static int ERASURE_RULE = EXACT_RULE \| SearchPattern.R_ERASURE_MATCH;
	protected static int RAW_RULE = EXACT_RULE \| SearchPattern.R_ERASURE_MATCH \| SearchPattern.R_EQUIVALENT_MATCH;
	protected static int SUPER_INVOCATION_FLAVOR = 0x0200;

	// IJavaScriptUnit[] workingCopies;
	// boolean discard;

	/**
	* Collects results as a string.
	*/
	public static class JavaSearchResultCollector extends SearchRequestor {
	protected SearchMatch match;
	public StringBuffer results = new StringBuffer(), line;
	public boolean showAccuracy;
	public boolean showContext;
	public boolean showRule;
	public boolean showInsideDoc;
	public boolean showPotential = true;
	public boolean showProject;
	public boolean showSynthetic;
	public int showFlavors = 0;
	public int count = 0;
	public void acceptSearchMatch(SearchMatch searchMatch) throws CoreException {
	count++;
	this.match = searchMatch;
	writeLine();
	if (line != null) {
	writeLineToResult();
	}
	}
	protected void writeLineToResult() {
	if (match.getAccuracy() == SearchMatch.A_ACCURATE \|\| showPotential) {
	if (results.length() > 0) results.append("\n");
	results.append(line);
	}
	}
	protected void writeLine() throws CoreException {
	try {
	IResource resource = match.getResource();
	IJavaScriptElement element = getElement(match);
	line = new StringBuffer(getPathString(resource, element));
	if (this.showProject) {
	IProject project = element.getJavaScriptProject().getProject();
	line.append(" [in ");
	line.append(project.getName());
	line.append("]");
	}
	IJavaScriptUnit unit = null;
	if (element instanceof IFunction) {
	line.append(" ");
	IFunction method = (IFunction)element;
	append(method);
	unit = method.getJavaScriptUnit();
	} else if (element instanceof IType) {
	line.append(" ");
	IType type = (IType)element;
	append(type);
	unit = type.getJavaScriptUnit();
	} else if (element instanceof IField) {
	line.append(" ");
	IField field = (IField)element;
	append(field);
	unit = field.getJavaScriptUnit();
	} else if (element instanceof IInitializer) {
	line.append(" ");
	IInitializer initializer = (IInitializer)element;
	append(initializer);
	unit = initializer.getJavaScriptUnit();
	} else if (element instanceof IPackageFragment) {
	line.append(" ");
	append((IPackageFragment)element);
	} else if (element instanceof ILocalVariable) {
	line.append(" ");
	ILocalVariable localVar = (ILocalVariable)element;
	IJavaScriptElement parent = localVar.getParent();
	if (parent instanceof IInitializer) {
	IInitializer initializer = (IInitializer)parent;
	append(initializer);
	line.append(".");
	} else if (parent instanceof IFunction){ // IFunction
	IFunction method = (IFunction)parent;
	append(method);
	line.append(".");
	}
	line.append(localVar.getElementName());
	unit = (IJavaScriptUnit)localVar.getAncestor(IJavaScriptElement.JAVASCRIPT_UNIT);
	} else if (element instanceof IImportDeclaration) {
	IImportDeclaration importDeclaration = (IImportDeclaration)element;
	unit = (IJavaScriptUnit)importDeclaration.getAncestor(IJavaScriptElement.JAVASCRIPT_UNIT);
	}
	if (resource instanceof IFile) {
	char[] contents = getSource(resource, element, unit);
	int start = match.getOffset();
	int end = start + match.getLength();
	if (start == -1 \|\| (contents != null && contents.length > 0)) { // retrieving attached source not implemented here
	line.append(" [");
	if (start > -1) {
	if (this.showContext) {
	int lineStart1 = CharOperation.lastIndexOf('\n', contents, 0, start);
	int lineStart2 = CharOperation.lastIndexOf('\r', contents, 0, start);
	int lineStart = Math.max(lineStart1, lineStart2) + 1;
	line.append(CharOperation.subarray(contents, lineStart, start));
	line.append("<");
	}
	line.append(CharOperation.subarray(contents, start, end));
	if (this.showContext) {
	line.append(">");
	int lineEnd1 = CharOperation.indexOf('\n', contents, end);
	int lineEnd2 = CharOperation.indexOf('\r', contents, end);
	int lineEnd = lineEnd1 > 0 && lineEnd2 > 0 ? Math.min(lineEnd1, lineEnd2) : Math.max(lineEnd1, lineEnd2);
	if (lineEnd == -1) lineEnd = contents.length;
	line.append(CharOperation.subarray(contents, end, lineEnd));
	}
	} else {
	line.append("No source");
	}
	line.append("]");
	}
	}
	if (this.showAccuracy) {
	line.append(" ");
	if (match.getAccuracy() == SearchMatch.A_ACCURATE) {
	if (this.showRule) {
	if (match.isExact()) {
	line.append("EXACT_");
	} else if (match.isEquivalent()) {
	line.append("EQUIVALENT_");
	} else if (match.isErasure()) {
	line.append("ERASURE_");
	} else {
	line.append("INVALID_RULE_");
	}
	if (match.isRaw()) {
	line.append("RAW_");
	}
	} else {
	line.append("EXACT_");
	}
	line.append("MATCH");
	} else {
	line.append("POTENTIAL_MATCH");
	}
	}
	if (this.showInsideDoc) {
	line.append(" ");
	if (match.isInsideDocComment()) {
	line.append("INSIDE_JAVADOC");
	} else {
	line.append("OUTSIDE_JAVADOC");
	}
	}
	if (this.showSynthetic) {
	if (match instanceof MethodReferenceMatch) {
	MethodReferenceMatch methRef = (MethodReferenceMatch) match;
	}
	}
	if (this.showFlavors > 0) {
	if (match instanceof MethodReferenceMatch) {
	MethodReferenceMatch methRef = (MethodReferenceMatch) match;
	if (methRef.isSuperInvocation() && showSuperInvocation()) {
	line.append(" SUPER INVOCATION");
	}
	}
	}
	} catch (JavaScriptModelException e) {
	results.append("\n");
	results.append(e.toString());
	}
	}
	private boolean showSuperInvocation() {
	return (this.showFlavors & SUPER_INVOCATION_FLAVOR) != 0;
	}
	protected void append(IField field) throws JavaScriptModelException {
	append(field.getDeclaringType());
	line.append(".");
	line.append(field.getElementName());
	}
	private void append(IInitializer initializer) throws JavaScriptModelException {
	append(initializer.getDeclaringType());
	line.append(".");
	if (Flags.isStatic(initializer.getFlags())) {
	line.append("static ");
	}
	line.append("{}");
	}
	private void append(IFunction method) throws JavaScriptModelException {
	if (!method.isConstructor() && method.getReturnType()!=null) {
	line.append(Signature.toString(method.getReturnType()));
	line.append(" ");
	}
	if (method.getDeclaringType()!=null)
	{
	append(method.getDeclaringType());
	line.append(".");
	}
	if (!method.isConstructor()) {
	line.append(method.getElementName());
	}
	line.append("(");
	String[] parameters = method.getParameterTypes();
	boolean varargs = Flags.isVarargs(method.getFlags());
	for (int i = 0, length=parameters.length; i<length; i++) {
	if (i < length - 1) {
	line.append(Signature.toString(parameters[i]));
	line.append(", "); //$NON-NLS-1$
	} else if (varargs) {
	// remove array from signature
	String parameter = parameters[i].substring(1);
	line.append(Signature.toString(parameter));
	line.append(" ..."); //$NON-NLS-1$
	} else {
	line.append(Signature.toString(parameters[i]));
	}
	}
	line.append(")");
	}
	private void append(IPackageFragment pkg) {
	line.append(pkg.getElementName());
	}
	private void append(IType type) throws JavaScriptModelException {
	IJavaScriptElement parent = type.getParent();
	boolean isLocal = false;
	switch (parent.getElementType()) {
	case IJavaScriptElement.JAVASCRIPT_UNIT:
	IPackageFragment pkg = type.getPackageFragment();
	append(pkg);
	if (!pkg.getElementName().equals(IPackageFragment.DEFAULT_PACKAGE_NAME)) {
	line.append(".");
	}
	break;
	case IJavaScriptElement.CLASS_FILE:
	IType declaringType = type.getDeclaringType();
	if (declaringType != null) {
	append(type.getDeclaringType());
	line.append("$");
	} else {
	pkg = type.getPackageFragment();
	append(pkg);
	if (!pkg.getElementName().equals(IPackageFragment.DEFAULT_PACKAGE_NAME)) {
	line.append(".");
	}
	}
	break;
	case IJavaScriptElement.TYPE:
	append((IType)parent);
	line.append("$");
	break;
	case IJavaScriptElement.FIELD:
	append((IField)parent);
	isLocal = true;
	break;
	case IJavaScriptElement.INITIALIZER:
	append((IInitializer)parent);
	isLocal = true;
	break;
	case IJavaScriptElement.METHOD:
	append((IFunction)parent);
	isLocal = true;
	break;
	}
	if (isLocal) {
	line.append(":");
	}
	String typeName = type.getElementName();
	if (typeName.length() == 0) {
	line.append("<anonymous>");
	} else {
	line.append(typeName);
	}
	if (isLocal) {
	line.append("#");
	line.append(((SourceRefElement)type).occurrenceCount);
	}
	}
	protected IJavaScriptElement getElement(SearchMatch searchMatch) {
	return (IJavaScriptElement) searchMatch.getElement();
	}
	protected String getPathString(IResource resource, IJavaScriptElement element) {
	String pathString;
	if (resource != null) {
	IPath path = resource.getProjectRelativePath();
	if (path.segmentCount() == 0) {
	IJavaScriptElement root = element;
	while (root != null && !(root instanceof IPackageFragmentRoot)) {
	root = root.getParent();
	}
	if (root != null) {
	IPackageFragmentRoot pkgFragmentRoot = (IPackageFragmentRoot)root;
	if (pkgFragmentRoot.isExternal()) {
	pathString = pkgFragmentRoot.getPath().toOSString();
	} else {
	pathString = pkgFragmentRoot.getPath().toString();
	}
	} else {
	pathString = "";
	}
	} else {
	pathString = path.toString();
	}
	} else {
	pathString = element.getPath().toString();
	}
	return pathString;
	}
	protected char[] getSource(IResource resource, IJavaScriptElement element, IJavaScriptUnit unit) throws CoreException {
	char[] contents = CharOperation.NO_CHAR;
	if ("js".equals(resource.getFileExtension())) {
	IJavaScriptUnit cu = (IJavaScriptUnit)element.getAncestor(IJavaScriptElement.JAVASCRIPT_UNIT);
	if (cu != null && cu.isWorkingCopy()) {
	// working copy
	contents = unit.getBuffer().getCharacters();
	} else {
	IFile file = ((IFile) resource);
	try {
	contents = new org.eclipse.wst.jsdt.internal.compiler.batch.CompilationUnit(
	null,
	file.getLocation().toFile().getPath(),
	file.getCharset()).getContents();
	} catch(AbortCompilationUnit e) {
	// TODO (philippe) occured with a FileNotFoundException
	// ignore
	}
	}
	}
	return contents;
	}
	public String toString() {
	return results.toString();
	}
	}

	static class TypeNameMatchCollector extends TypeNameMatchRequestor {
	List matches = new ArrayList();
	public void acceptTypeNameMatch(TypeNameMatch match) {
	IType type = match.getType();
	if (type != null) {
	this.matches.add(type);
	}
	}
	public int size() {
	return this.matches.size();
	}
	private String toString(int kind) {
	int size = size();
	if (size == 0) return "";
	String[] strings = new String[size];
	for (int i=0; i<size; i++) {
	IType type = (IType) this.matches.get(i);
	switch (kind) {
	case 1: // fully qualified name
	strings[i] = type.getFullyQualifiedName();
	break;
	case 0:
	default:
	strings[i] = type.toString();
	}
	}
	Arrays.sort(strings);
	StringBuffer buffer = new StringBuffer();
	for (int i=0; i<size; i++) {
	if (i>0) buffer.append('\n');
	buffer.append(strings[i]);
	}
	return buffer.toString();
	}
	public String toString() {
	return toString(0);
	}
	public String toFullyQualifiedNamesString() {
	return toString(1);
	}
	}

	protected JavaSearchResultCollector resultCollector;

	public AbstractJavaSearchTests(String name) {
	this(name, 2);
	}
	public AbstractJavaSearchTests(String name, int tabs) {
	super(name, tabs);
	this.displayName = true;
	}

	/* (non-Javadoc)
	* @see org.eclipse.wst.jsdt.core.tests.model.AbstractJavaModelTests#assertSearchResults(java.lang.String, java.lang.Object)
	*/
	protected void assertSearchResults(String expected) {
	assertSearchResults(expected, resultCollector);
	}
	protected void assertSearchResults(String expected, JavaSearchResultCollector collector) {
	assertSearchResults("Unexpected search results", expected, collector);
	}
	protected void assertSearchResults(String message, String expected, JavaSearchResultCollector collector) {
	String actual = collector.toString();
	if (!expected.equals(actual)) {
	if (this.displayName) {
	System.out.print(getName());
	System.out.print(" got ");
	if (collector.count==0)
	System.out.println("no result!");
	else {
	System.out.print(collector.count);
	System.out.print(" result");
	if (collector.count==1)
	System.out.println(":");
	else
	System.out.println("s:");
	}
	}
	if (!displayName \|\| collector.count>0) {
	System.out.print(displayString(actual, this.tabs));
	System.out.println(this.endChar);
	}
	if (this.workingCopies != null) {
	int length = this.workingCopies.length;
	String[] sources = new String[length*2];
	for (int i=0; i<length; i++) {
	sources[i*2] = this.workingCopies[i].getPath().toString();
	try {
	sources[i*2+1] = this.workingCopies[i].getSource();
	} catch (JavaScriptModelException e) {
	// ignore
	}
	}
	System.out.println("--------------------------------------------------------------------------------");
	for (int i=0; i<length; i+=2) {
	System.out.println(sources[i]);
	System.out.println(sources[i+1]);
	}
	}
	}
	assertEquals(
	message,
	expected,
	actual
	);
	}

	/* (non-Javadoc)
	* @see org.eclipse.wst.jsdt.core.tests.model.AbstractJavaModelTests#copyDirectory(java.io.File, java.io.File)
	*/
	protected void copyDirectory(File sourceDir, File targetDir) throws IOException {
	if (COPY_DIRS) {
	super.copyDirectory(sourceDir, targetDir);
	} else {
	targetDir.mkdirs();
	File sourceFile = new File(sourceDir, ".project");
	File targetFile = new File(targetDir, ".project");
	targetFile.createNewFile();
	copy(sourceFile, targetFile);
	sourceFile = new File(sourceDir, ".classpath");
	targetFile = new File(targetDir, ".classpath");
	targetFile.createNewFile();
	copy(sourceFile, targetFile);
	}
	}
	IJavaScriptSearchScope getJavaSearchScope() {
	return SearchEngine.createJavaSearchScope(new IJavaScriptProject[] {getJavaProject("JSSearch")});
	}
	IJavaScriptSearchScope getJavaSearchScope15() {
	return SearchEngine.createJavaSearchScope(new IJavaScriptProject[] {getJavaProject("JavaSearch15")});
	}
	IJavaScriptSearchScope getJavaSearchScope15(String packageName, boolean addSubpackages) throws JavaScriptModelException {
	if (packageName == null) return getJavaSearchScope15();
	return getJavaSearchPackageScope("JavaSearch15", packageName, addSubpackages);
	}
	IJavaScriptSearchScope getJavaSearchPackageScope(String projectName, String packageName, boolean addSubpackages) throws JavaScriptModelException {
	IPackageFragment fragment = getPackageFragment(projectName, "src", packageName);
	if (fragment == null) return null;
	IJavaScriptElement[] searchPackages = null;
	if (addSubpackages) {
	// Create list of package with first found one
	List packages = new ArrayList();
	packages.add(fragment);
	// Add all possible subpackages
	IJavaScriptElement[] children= ((IPackageFragmentRoot)fragment.getParent()).getChildren();
	String[] names = ((PackageFragment)fragment).names;
	int namesLength = names.length;
	nextPackage: for (int i= 0, length = children.length; i < length; i++) {
	PackageFragment currentPackage = (PackageFragment) children[i];
	String[] otherNames = currentPackage.names;
	if (otherNames.length <= namesLength) continue nextPackage;
	for (int j = 0; j < namesLength; j++) {
	if (!names[j].equals(otherNames[j]))
	continue nextPackage;
	}
	packages.add(currentPackage);
	}
	searchPackages = new IJavaScriptElement[packages.size()];
	packages.toArray(searchPackages);
	} else {
	searchPackages = new IJavaScriptElement[1];
	searchPackages[0] = fragment;
	}
	return SearchEngine.createJavaSearchScope(searchPackages);
	}
	IJavaScriptSearchScope getJavaSearchCUScope(String projectName, String packageName, String cuName) throws JavaScriptModelException {
	IJavaScriptUnit cu = getCompilationUnit(projectName, "src", packageName, cuName);
	return SearchEngine.createJavaSearchScope(new IJavaScriptUnit[] { cu });
	}
	protected void search(IJavaScriptElement element, int limitTo, IJavaScriptSearchScope scope) throws CoreException {
	search(element, limitTo, EXACT_RULE, scope, resultCollector);
	}
	IJavaScriptSearchScope getJavaSearchWorkingCopiesScope(IJavaScriptUnit workingCopy) throws JavaScriptModelException {
	return SearchEngine.createJavaSearchScope(new IJavaScriptUnit[] { workingCopy });
	}
	IJavaScriptSearchScope getJavaSearchWorkingCopiesScope() throws JavaScriptModelException {
	return SearchEngine.createJavaSearchScope(this.workingCopies);
	}
	protected void search(IJavaScriptElement element, int limitTo, int matchRule, IJavaScriptSearchScope scope) throws CoreException {
	search(element, limitTo, matchRule, scope, resultCollector);
	}
	protected void search(IJavaScriptElement element, int limitTo, int matchRule, IJavaScriptSearchScope scope, SearchRequestor requestor) throws CoreException {
	SearchPattern pattern = SearchPattern.createPattern(element, limitTo, matchRule);
	assertNotNull("Pattern should not be null", pattern);
	new SearchEngine(workingCopies).search(
	pattern,
	new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
	scope,
	requestor,
	null
	);
	}
	protected void search(SearchPattern searchPattern, IJavaScriptSearchScope scope, SearchRequestor requestor) throws CoreException {
	new SearchEngine().search(
	searchPattern,
	new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
	scope,
	requestor,
	null);
	}
	protected void search(String patternString, int searchFor, int limitTo, IJavaScriptSearchScope scope) throws CoreException {
	search(patternString, searchFor, limitTo, EXACT_RULE, scope, resultCollector);
	}
	protected void search(String patternString, int searchFor, int limitTo, int matchRule, IJavaScriptSearchScope scope) throws CoreException {
	search(patternString, searchFor, limitTo, matchRule, scope, resultCollector);
	}
	protected void search(String patternString, int searchFor, int limitTo, int matchRule, IJavaScriptSearchScope scope, SearchRequestor requestor) throws CoreException {
	if (patternString.indexOf('*') != -1 \|\| patternString.indexOf('?') != -1) {
	matchRule \|= SearchPattern.R_PATTERN_MATCH;
	}
	SearchPattern pattern = SearchPattern.createPattern(
	patternString,
	searchFor,
	limitTo,
	matchRule);
	assertNotNull("Pattern should not be null", pattern);
	new SearchEngine(workingCopies).search(
	pattern,
	new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
	scope,
	requestor,
	null);
	}
	protected void searchDeclarationsOfAccessedFields(IJavaScriptElement enclosingElement, SearchRequestor requestor) throws JavaScriptModelException {
	new SearchEngine().searchDeclarationsOfAccessedFields(enclosingElement, requestor, null);
	}
	protected void searchDeclarationsOfReferencedTypes(IJavaScriptElement enclosingElement, SearchRequestor requestor) throws JavaScriptModelException {
	new SearchEngine().searchDeclarationsOfReferencedTypes(enclosingElement, requestor, null);
	}
	protected void searchDeclarationsOfSentMessages(IJavaScriptElement enclosingElement, SearchRequestor requestor) throws JavaScriptModelException {
	new SearchEngine().searchDeclarationsOfSentMessages(enclosingElement, requestor, null);
	}
	protected void setUp () throws Exception {
	super.setUp();
	this.resultCollector = new JavaSearchResultCollector();
	}
	}