1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package libcore.java.util.function; 18 19 import junit.framework.TestCase; 20 21 import java.util.function.UnaryOperator; 22 23 public class UnaryOperatorTest extends TestCase { 24 25 public void testIdentity() throws Exception { 26 Object arg = new Object(); 27 assertSame(arg, UnaryOperator.identity().apply(arg)); 28 assertNull(null, UnaryOperator.identity().apply(null)); 29 } 30 } 31
