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/*******************************************************************************
* Copyright (c) 2016, 2017 Sven Strohschein and others.
*
* 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:
* Sven Strohschein - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.core.tests.compiler.regression;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.tests.util.AbstractCompilerTest;
import org.eclipse.jdt.internal.compiler.env.INameEnvironment;
import org.eclipse.jdt.internal.compiler.env.NameEnvironmentAnswer;
import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
import org.eclipse.jdt.internal.compiler.lookup.Binding;
import org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment;
import org.eclipse.jdt.internal.compiler.lookup.PackageBinding;
import org.eclipse.jdt.internal.core.INameEnvironmentWithProgress;
public class PackageBindingTest extends AbstractCompilerTest
{
public PackageBindingTest(String name) {
super(name);
}
/**
* This test checks if it is searched for packages before searching for types.
* The search for packages is much faster than searching for types, therefore it should get executed before searching for types.
* Commented since reverted to original behaviour as per bug 495598
*/
public void _test01() {
NameEnvironmentDummy nameEnv = new NameEnvironmentDummy(true);
PackageBinding packageBinding = new PackageBinding(new LookupEnvironment(null, new CompilerOptions(), null, nameEnv));
Binding resultBinding = packageBinding.getTypeOrPackage("java.lang".toCharArray(), null);
assertNotNull(resultBinding);
assertTrue(nameEnv.isPackageSearchExecuted);
assertFalse(nameEnv.isTypeSearchExecuted);
}
/**
* This test checks if it is searched for types when no package was found.
* The test {@link #_test01()} checks if the package search is executed before the type search.
* The search for packages is much faster than searching for types, therefore it should get executed before searching for types.
*/
public void test02() {
NameEnvironmentDummy nameEnv = new NameEnvironmentDummy(false);
LookupEnvironment environment = new LookupEnvironment(null, new CompilerOptions(), null, nameEnv);
PackageBinding packageBinding = new PackageBinding(environment);
Binding resultBinding = packageBinding.getTypeOrPackage("java.lang.String".toCharArray(), environment.module);
assertNull(resultBinding); // (not implemented)
assertTrue(nameEnv.isPackageSearchExecuted);
assertTrue(nameEnv.isTypeSearchExecuted);
}
/**
* This test checks if {@link INameEnvironment#findType(char[], char[][])} is executed.
* INameEnvironment has no option to avoid the search for secondary types, therefore the search for secondary types is executed (when available).
*/
public void test03() {
NameEnvironmentDummy nameEnv = new NameEnvironmentDummy(false);
LookupEnvironment lookupEnv = new LookupEnvironment(null, new CompilerOptions(), null, nameEnv);
PackageBinding packageBinding = lookupEnv.createPackage(new char[][]{"org/eclipse/jdt".toCharArray(), "org/eclipse/jdt/internal".toCharArray()});
assertNotNull(packageBinding);
assertTrue(nameEnv.isTypeSearchExecuted); //the method findType(char[], char[][]) should got executed (without an option to avoid the search for secondary types)
}
/**
* This test checks if types are searched on creating a package, but without the search for secondary types.
* It isn't necessary to search for secondary types when creating a package, because a package name can not collide with a secondary type.
* The search for secondary types should not get executed, because the search for secondary types is very expensive regarding performance
* (all classes of a package have to get loaded, parsed and analyzed).
*/
public void test04() {
NameEnvironmentWithProgressDummy nameEnvWithProgress = new NameEnvironmentWithProgressDummy();
LookupEnvironment lookupEnv = new LookupEnvironment(null, new CompilerOptions(), null, nameEnvWithProgress);
PackageBinding packageBinding = lookupEnv.createPackage(new char[][]{"org/eclipse/jdt".toCharArray(), "org/eclipse/jdt/internal".toCharArray()});
assertNotNull(packageBinding);
assertTrue(nameEnvWithProgress.isTypeSearchExecutedWithSearchWithSecondaryTypes); //the method findType(char[], char[][], boolean) should got executed ...
assertFalse(nameEnvWithProgress.isTypeSearchWithSearchWithSecondaryTypes); //... but without the search for secondary types
}
private class NameEnvironmentDummy implements INameEnvironment
{
private final boolean isPackage;
boolean isPackageSearchExecuted;
boolean isTypeSearchExecuted;
NameEnvironmentDummy(boolean isPackage) {
this.isPackage = isPackage;
}
@Override
public NameEnvironmentAnswer findType(char[][] compoundTypeName) {
this.isTypeSearchExecuted = true;
return null;
}
@Override
public NameEnvironmentAnswer findType(char[] typeName, char[][] packageName) {
this.isTypeSearchExecuted = true;
return null;
}
@Override
public boolean isPackage(char[][] parentPackageName, char[] packageName) {
this.isPackageSearchExecuted = true;
return this.isPackage;
}
@Override
public void cleanup() {
}
}
private class NameEnvironmentWithProgressDummy implements INameEnvironmentWithProgress
{
boolean isTypeSearchWithSearchWithSecondaryTypes;
boolean isTypeSearchExecutedWithSearchWithSecondaryTypes;
NameEnvironmentWithProgressDummy() {}
@Override
public NameEnvironmentAnswer findType(char[][] compoundTypeName) {
return null;
}
@Override
public boolean isPackage(char[][] parentPackageName, char[] packageName) {
return false;
}
@Override
public void cleanup() {
}
@Override
public void setMonitor(IProgressMonitor monitor) {
}
@Override
public NameEnvironmentAnswer findType(char[] typeName, char[][] packageName, boolean searchWithSecondaryTypes, char[] moduleName) {
this.isTypeSearchExecutedWithSearchWithSecondaryTypes = true;
this.isTypeSearchWithSearchWithSecondaryTypes = searchWithSecondaryTypes;
return null;
}
@Override
public NameEnvironmentAnswer findType(char[] typeName, char[][] packageName) {
// TODO Auto-generated method stub
return null;
}
}
}
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