content: /*
   * Copyright (C) 2015 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  
  public class Main {
  
    public static void main(String[] args) {
      assertEqual(4, add3(1));
      assertEqual(4l, add3(1l));
      assertEqual(4f, add3(1f));
      assertEqual(4d, add3(1d));
    }
  
    public static int add3(int a) {
      return 1 + a + 2;
    }
  
    public static long add3(long a) {
      return 1l + a + 2l;
    }
  
    public static float add3(float a) {
      return 1f + a + 2f;
    }
  
    public static double add3(double a) {
      return 1d + a + 2d;
    }
  
    public static void assertEqual(int a, int b) {
      if (a != b) {
        throw new RuntimeException("Expected: " + a + " Found: " + b);
      }
    }
  
    public static void assertEqual(long a, long b) {
      if (a != b) {
        throw new RuntimeException("Expected: " + a + " Found: " + b);
      }
    }
  
    public static void assertEqual(float a, float b) {
      boolean aproxEquals = (a > b)
        ? ((a - b) < 0.0001f)
        : ((b - a) < 0.0001f);
      if (!aproxEquals) {
        throw new RuntimeException("Expected: " + a + " Found: " + b);
      }
    }
  
    public static void assertEqual(double a, double b) {
      boolean aproxEquals = (a > b)
        ? ((a - b) < 0.0001d)
        : ((b - a) < 0.0001d);
      if (!aproxEquals) {
        throw new RuntimeException("Expected: " + a + " Found: " + b);
      }
    }
  }
  