19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage com.android.internal.util; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport junit.framework.TestCase; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Collections; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class PredicatesTest extends TestCase { 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final Predicate<Object> TRUE = new Predicate<Object>() { 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean apply(Object o) { 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final Predicate<Object> FALSE = new Predicate<Object>() { 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean apply(Object o) { 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testAndPredicate_AllConditionsTrue() throws Exception { 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue(Predicates.and(newArrayList(TRUE)).apply(null)); 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue(Predicates.and(newArrayList(TRUE, TRUE)).apply(null)); 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testAndPredicate_AtLeastOneConditionIsFalse() throws Exception { 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertFalse(Predicates.and(newArrayList(FALSE, TRUE, TRUE)).apply(null)); 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertFalse(Predicates.and(newArrayList(TRUE, FALSE, TRUE)).apply(null)); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertFalse(Predicates.and(newArrayList(TRUE, TRUE, FALSE)).apply(null)); 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testOrPredicate_AllConditionsTrue() throws Exception { 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue(Predicates.or(newArrayList(TRUE, TRUE, TRUE)).apply(null)); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testOrPredicate_AllConditionsFalse() throws Exception { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertFalse(Predicates.or(newArrayList(FALSE, FALSE, FALSE)).apply(null)); 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testOrPredicate_AtLeastOneConditionIsTrue() throws Exception { 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue(Predicates.or(newArrayList(TRUE, FALSE, FALSE)).apply(null)); 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue(Predicates.or(newArrayList(FALSE, TRUE, FALSE)).apply(null)); 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue(Predicates.or(newArrayList(FALSE, FALSE, TRUE)).apply(null)); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testNotPredicate() throws Exception { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue(Predicates.not(FALSE).apply(null)); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertFalse(Predicates.not(TRUE).apply(null)); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static <E> ArrayList<E> newArrayList(E... elements) { 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<E> list = new ArrayList<E>(); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Collections.addAll(list, elements); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return list; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 75