| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.validation.rebind; |
| |
| import static com.google.gwt.validation.rebind.Util.findBestMatches; |
| |
| import com.google.gwt.thirdparty.guava.common.base.Function; |
| import com.google.gwt.thirdparty.guava.common.base.Functions; |
| import com.google.gwt.thirdparty.guava.common.collect.ImmutableList; |
| import com.google.gwt.thirdparty.guava.common.collect.ImmutableSet; |
| import com.google.gwt.thirdparty.guava.common.collect.Iterables; |
| |
| import junit.framework.TestCase; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Tests for {@link Util}. |
| */ |
| public class UtilTest extends TestCase { |
| |
| private class Alice { |
| } |
| |
| private class Bob { |
| } |
| |
| private class Bobby extends Bob { |
| } |
| private class Bobby2 extends Bobby { |
| } |
| |
| private interface C1 { |
| } |
| |
| private interface C2 { |
| } |
| |
| private class Chuck implements C1, C2 { |
| } |
| |
| private final static Function<Class<?>, Class<?>> classIdentity = Functions.identity(); |
| |
| private static void assertContentsInOrder(List<Class<?>> actual, |
| Class<?>... classes) { |
| assertEquals(ImmutableList.copyOf(classes), ImmutableList.copyOf(actual)); |
| } |
| |
| private static ImmutableList<Class<?>> list(Class<?>... classes) { |
| return ImmutableList.copyOf(classes); |
| } |
| |
| private static ImmutableSet<Class<?>> set(Class<?>... classes) { |
| return ImmutableSet.copyOf(classes); |
| } |
| |
| public void testBestMatches_Bobby2() { |
| Set<Class<?>> actual = findBestMatches(Bobby2.class, |
| set(Alice.class, Bob.class, Bobby.class)); |
| assertEquals(1, actual.size()); |
| assertEquals(Bobby.class, Iterables.get(actual, 0)); |
| } |
| |
| public void testBestMatches_none() { |
| Set<Class<?>> actual = Util.findBestMatches(Bob.class, set(Alice.class)); |
| assertEquals(0, actual.size()); |
| } |
| |
| public void testBestMatches_one() { |
| Set<Class<?>> actual = findBestMatches(Bob.class, |
| set(Alice.class, Bob.class)); |
| assertEquals(1, actual.size()); |
| assertEquals(Bob.class, Iterables.get(actual, 0)); |
| } |
| |
| public void testBestMatches_two() { |
| Set<Class<?>> actual = findBestMatches(Chuck.class, set(C1.class, C2.class)); |
| assertEquals(2, actual.size()); |
| } |
| |
| public void testSortMostSpecificFirst_chuck() { |
| |
| List<Class<?>> actual = Util.sortMostSpecificFirst( |
| list(C2.class, C1.class, Chuck.class), classIdentity); |
| assertContentsInOrder(actual, Chuck.class, C2.class, C1.class); |
| } |
| |
| public void testSortMostSpecificFirst_double() { |
| List<Class<?>> actual = Util.sortMostSpecificFirst( |
| list(Alice.class, Alice.class, Bob.class), classIdentity); |
| assertContentsInOrder(actual, Alice.class, Bob.class); |
| } |
| |
| public void testSortMostSpecificFirst_one() { |
| List<Class<?>> actual = Util.sortMostSpecificFirst(list(Alice.class), |
| classIdentity); |
| assertContentsInOrder(actual, Alice.class); |
| } |
| } |