/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.core.tests.model;

import org.eclipse.jdt.core.*;

import junit.framework.Test;

public class TypeResolveTests extends ModifyingResourceTests {
	ICompilationUnit cu;
public TypeResolveTests(String name) {
	super(name);
}
private IType getType(IType[] types, String sourceTypeName) throws JavaModelException {
	for (int i = 0; i < types.length; i++) {
		IType sourceType = types[i];
		if (sourceType.getTypeQualifiedName().equals(sourceTypeName)) {
			return sourceType;
		} else if ((sourceType = getType(sourceType.getTypes(), sourceTypeName)) != null) {
			return sourceType;
		}
	}
	return null;
}
private IType getType(String sourceTypeName) throws JavaModelException {
	return getType(this.cu.getTypes(), sourceTypeName);
}
private String[][] resolveType(String typeName, String sourceTypeName) throws JavaModelException {
	IType sourceType = this.getType(sourceTypeName);
	assertTrue("Type " + sourceTypeName + " was not found", sourceType != null);
	return sourceType.resolveType(typeName);
}
private String resultToString(String[][] result) {
	StringBuffer toString = new StringBuffer();
	if(result != null) {
		for (int i = 0; i < result.length; i++) {
			String[] qualifiedName = result[i];
			String packageName = qualifiedName[0];
			if (packageName.length() > 0) {
				toString.append(packageName);
				toString.append(".");
			}
			toString.append(qualifiedName[1]);
			if (i < result.length-1) {
				toString.append("\n");
			}
		}
	}
	return toString.toString();
}
/* (non-Javadoc)
 * @see org.eclipse.jdt.core.tests.model.AbstractJavaModelTests#setUpSuite()
 */
public void setUpSuite() throws Exception {
	super.setUpSuite();
	this.setUpJavaProject("TypeResolve");
	this.cu = this.getCompilationUnit("TypeResolve", "src", "p", "TypeResolve.java");
}
public static Test suite() {
	return new Suite(TypeResolveTests.class);
}
/* (non-Javadoc)
 * @see org.eclipse.jdt.core.tests.model.SuiteOfTestCases#tearDownSuite()
 */
public void tearDownSuite() throws Exception {
	this.deleteProject("TypeResolve");
	super.tearDownSuite();
}
/**
 * Resolve the type "B" within one of the secondary types.
 * (regression test for bug 23829 IType::resolveType incorrectly returns null)
 */
public void testResolveInSecondaryType() throws JavaModelException {
	IType type = this.getCompilationUnit("/TypeResolve/src/p3/B.java").getType("Test");
	String[][] types = type.resolveType("B");
	assertEquals(
		"Unexpected result", 
		"p3.B",
		this.resultToString(types));	
}
/**
 * Resolve the type "B" within one of its inner classes.
 */
public void testResolveMemberTypeInInner() throws JavaModelException {
	String[][] types = this.resolveType("B", "TypeResolve$A$B$D");
	assertEquals(
		"Unexpected result", 
		"p.TypeResolve.A.B",
		this.resultToString(types));	
}
/**
 * Resolve the type "C" within one of its sibling classes.
 */
public void testResolveSiblingTypeInInner() throws JavaModelException {
	String[][] types = this.resolveType("C", "TypeResolve$A$B");
	assertEquals(
		"Unexpected result", 
		"p.TypeResolve.A.C",
		this.resultToString(types));	
}
/**
 * Resolve the type "X" with a type import for it
 * within an inner class
 */
public void testResolveTypeInInner() throws JavaModelException {
	String[][] types = this.resolveType("X", "TypeResolve$A");
	assertEquals(
		"Unexpected result", 
		"p1.X",
		this.resultToString(types));	
}
/**
 * Resolve the type "String".
 */
public void testResolveTypeInJavaLang() throws JavaModelException {
	String[][] types = this.resolveType("String", "TypeResolve");
	assertEquals(
		"Unexpected result", 
		"java.lang.String",
		this.resultToString(types));	
}
/**
 * Resolve the type "Vector" with no imports.
 */
public void testResolveTypeWithNoImports() throws JavaModelException {
	String[][] types = this.resolveType("Vector", "TypeResolve");
	assertEquals(
		"Unexpected result", 
		"",
		this.resultToString(types));	
}
/**
 * Resolve the type "Y" with an on-demand import.
 */
public void testResolveTypeWithOnDemandImport() throws JavaModelException {
	String[][] types = this.resolveType("Y", "TypeResolve");
	assertEquals(
		"Unexpected result", 
		"p2.Y",
		this.resultToString(types));	
}
/**
 * Resolve the type "X" with a type import for it.
 */
public void testResolveTypeWithTypeImport() throws JavaModelException {
	String[][] types = this.resolveType("X", "TypeResolve");
	assertEquals(
		"Unexpected result", 
		"p1.X",
		this.resultToString(types));	
}
/**
 * Resolve the type "String".
 */
public void testResolveString() throws JavaModelException {
	String[][] types = this.resolveType("String", "TypeResolve");
	assertEquals(
		"Unexpected result", 
		"java.lang.String",
		this.resultToString(types));	
}
/**
 * Resolve the type "A.Inner".
 */
public void testResolveInnerType1() throws JavaModelException {
	IType type = this.getCompilationUnit("/TypeResolve/src/p4/B.java").getType("B");
	String[][] types = type.resolveType("A.Inner");
	assertEquals(
		"Unexpected result", 
		"p4.A.Inner",
		this.resultToString(types));		
}
/**
 * Resolve the type "p4.A.Inner".
 */
public void testResolveInnerType2() throws JavaModelException {
	IType type = this.getCompilationUnit("/TypeResolve/src/p4/B.java").getType("B");
	String[][] types = type.resolveType("p4.A.Inner");
	assertEquals(
		"Unexpected result", 
		"p4.A.Inner",
		this.resultToString(types));		
}
}