1 /* 2 * Copyright (C) 2017 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 import java.lang.reflect.Method; 18 import java.util.OptionalLong; 19 public class TestMain { 20 public static void runTest() { 21 // This should be our redefined OptionalLong. 22 OptionalLong ol = OptionalLong.of(123); 23 try { 24 // OptionalLong is a class that is unlikely to be used by the time this test starts. 25 Method foo = OptionalLong.class.getMethod("foo"); 26 System.out.println("ol.foo() -> '" + (String)foo.invoke(ol) + "'"); 27 System.out.println("ol.toString() -> '" + ol.toString() + "'"); 28 } catch (Exception e) { 29 System.out.println( 30 "Exception occured (did something load OptionalLong before this test method!: " 31 + e.toString()); 32 e.printStackTrace(System.out); 33 } 34 } 35 } 36
