1 /* 2 * Copyright (C) 2015 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 18 public class Main { 19 20 public static void main(String[] args) { 21 assertEqual(4, add3(1)); 22 assertEqual(4l, add3(1l)); 23 assertEqual(4f, add3(1f)); 24 assertEqual(4d, add3(1d)); 25 } 26 27 public static int add3(int a) { 28 return 1 + a + 2; 29 } 30 31 public static long add3(long a) { 32 return 1l + a + 2l; 33 } 34 35 public static float add3(float a) { 36 return 1f + a + 2f; 37 } 38 39 public static double add3(double a) { 40 return 1d + a + 2d; 41 } 42 43 public static void assertEqual(int a, int b) { 44 if (a != b) { 45 throw new RuntimeException("Expected: " + a + " Found: " + b); 46 } 47 } 48 49 public static void assertEqual(long a, long b) { 50 if (a != b) { 51 throw new RuntimeException("Expected: " + a + " Found: " + b); 52 } 53 } 54 55 public static void assertEqual(float a, float b) { 56 boolean aproxEquals = (a > b) 57 ? ((a - b) < 0.0001f) 58 : ((b - a) < 0.0001f); 59 if (!aproxEquals) { 60 throw new RuntimeException("Expected: " + a + " Found: " + b); 61 } 62 } 63 64 public static void assertEqual(double a, double b) { 65 boolean aproxEquals = (a > b) 66 ? ((a - b) < 0.0001d) 67 : ((b - a) < 0.0001d); 68 if (!aproxEquals) { 69 throw new RuntimeException("Expected: " + a + " Found: " + b); 70 } 71 } 72 } 73
