001 /* 002 * Created on Dec 26, 2010 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with 005 * the License. You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on 010 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the 011 * specific language governing permissions and limitations under the License. 012 * 013 * Copyright @2010-2011 the original author or authors. 014 */ 015 package org.fest.assertions.api; 016 017 /** 018 * Assertion methods for {@code Object}s. 019 * <p> 020 * To create a new instance of this class, invoke <code>{@link Assertions#assertThat(Object)}</code>. 021 * </p> 022 * 023 * @author Yvonne Wang 024 * @author Alex Ruiz 025 */ 026 public class ObjectAssert extends AbstractAssert<ObjectAssert, Object> { 027 028 protected ObjectAssert(Object actual) { 029 super(actual, ObjectAssert.class); 030 } 031 032 /** 033 * Verifies that the actual {@code Object} is an instance of the given type. 034 * @param type the type to check the actual {@code Object} against. 035 * @return this assertion object. 036 * @throws NullPointerException if the given type is {@code null}. 037 * @throws AssertionError if the actual {@code Object} is {@code null}. 038 * @throws AssertionError if the actual {@code Object} is not an instance of the given type. 039 */ 040 public ObjectAssert isInstanceOf(Class<?> type) { 041 objects.assertIsInstanceOf(info, actual, type); 042 return this; 043 } 044 045 /** 046 * Verifies that the actual {@code Object} is an instance of any of the given types. 047 * @param types the types to check the actual {@code Object} against. 048 * @return this assertion object. 049 * @throws AssertionError if the actual {@code Object} is {@code null}. 050 * @throws AssertionError if the actual {@code Object} is not an instance of any of the given types. 051 * @throws NullPointerException if the given array of types is {@code null}. 052 * @throws NullPointerException if the given array of types contains {@code null}s. 053 */ 054 public ObjectAssert isInstanceOfAny(Class<?>...types) { 055 objects.assertIsInstanceOfAny(info, actual, types); 056 return this; 057 } 058 }