content: /*
   * Copyright (C) 2014 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) {
      remInt();
      remLong();
    }
  
    private static void remInt() {
      expectEquals(2, $opt$RemConst(6));
      expectEquals(2, $opt$Rem(6, 4));
      expectEquals(2, $opt$Rem(6, -4));
      expectEquals(0, $opt$Rem(6, 3));
      expectEquals(0, $opt$Rem(6, -3));
      expectEquals(0, $opt$Rem(6, 1));
      expectEquals(0, $opt$Rem(6, -1));
      expectEquals(-1, $opt$Rem(-7, 3));
      expectEquals(-1, $opt$Rem(-7, -3));
      expectEquals(0, $opt$Rem(6, 6));
      expectEquals(0, $opt$Rem(-6, -6));
      expectEquals(7, $opt$Rem(7, 9));
      expectEquals(7, $opt$Rem(7, -9));
      expectEquals(-7, $opt$Rem(-7, 9));
      expectEquals(-7, $opt$Rem(-7, -9));
  
      expectEquals(0, $opt$Rem(Integer.MAX_VALUE, 1));
      expectEquals(0, $opt$Rem(Integer.MAX_VALUE, -1));
      expectEquals(0, $opt$Rem(Integer.MIN_VALUE, 1));
      expectEquals(0, $opt$Rem(Integer.MIN_VALUE, -1)); // no overflow
      expectEquals(-1, $opt$Rem(Integer.MIN_VALUE, Integer.MAX_VALUE));
      expectEquals(Integer.MAX_VALUE, $opt$Rem(Integer.MAX_VALUE, Integer.MIN_VALUE));
  
      expectEquals(0, $opt$Rem(0, 7));
      expectEquals(0, $opt$Rem(0, Integer.MAX_VALUE));
      expectEquals(0, $opt$Rem(0, Integer.MIN_VALUE));
  
      expectDivisionByZero(0);
      expectDivisionByZero(1);
      expectDivisionByZero(5);
      expectDivisionByZero(Integer.MAX_VALUE);
      expectDivisionByZero(Integer.MIN_VALUE);
    }
  
    private static void remLong() {
      expectEquals(2L, $opt$RemConst(6L));
      expectEquals(2L, $opt$Rem(6L, 4L));
      expectEquals(2L, $opt$Rem(6L, -4L));
      expectEquals(0L, $opt$Rem(6L, 3L));
      expectEquals(0L, $opt$Rem(6L, -3L));
      expectEquals(0L, $opt$Rem(6L, 1L));
      expectEquals(0L, $opt$Rem(6L, -1L));
      expectEquals(-1L, $opt$Rem(-7L, 3L));
      expectEquals(-1L, $opt$Rem(-7L, -3L));
      expectEquals(0L, $opt$Rem(6L, 6L));
      expectEquals(0L, $opt$Rem(-6L, -6L));
      expectEquals(7L, $opt$Rem(7L, 9L));
      expectEquals(7L, $opt$Rem(7L, -9L));
      expectEquals(-7L, $opt$Rem(-7L, 9L));
      expectEquals(-7L, $opt$Rem(-7L, -9L));
  
      expectEquals(0L, $opt$Rem(Long.MAX_VALUE, 1L));
      expectEquals(0L, $opt$Rem(Long.MAX_VALUE, -1L));
      expectEquals(0L, $opt$Rem(Long.MIN_VALUE, 1L));
      expectEquals(0L, $opt$Rem(Long.MIN_VALUE, -1L)); // no overflow
      expectEquals(-1L, $opt$Rem(Long.MIN_VALUE, Long.MAX_VALUE));
      expectEquals(Long.MAX_VALUE, $opt$Rem(Long.MAX_VALUE, Long.MIN_VALUE));
  
      expectEquals(0L, $opt$Rem(0L, 7L));
      expectEquals(0L, $opt$Rem(0L, Long.MAX_VALUE));
      expectEquals(0L, $opt$Rem(0L, Long.MIN_VALUE));
  
      expectDivisionByZero(0L);
      expectDivisionByZero(1L);
      expectDivisionByZero(5L);
      expectDivisionByZero(Long.MAX_VALUE);
      expectDivisionByZero(Long.MIN_VALUE);
    }
  
    static int $opt$Rem(int a, int b) {
      return a % b;
    }
  
    static int $opt$RemZero(int a) {
      return a % 0;
    }
  
    // Modulo by literals != 0 should not generate checks.
    static int $opt$RemConst(int a) {
      return a % 4;
    }
  
    static long $opt$RemConst(long a) {
      return a % 4L;
    }
  
    static long $opt$Rem(long a, long b) {
      return a % b;
    }
  
    static long $opt$RemZero(long a) {
      return a % 0L;
    }
  
    public static void expectEquals(int expected, int result) {
      if (expected != result) {
        throw new Error("Expected: " + expected + ", found: " + result);
      }
    }
  
    public static void expectEquals(long expected, long result) {
      if (expected != result) {
        throw new Error("Expected: " + expected + ", found: " + result);
      }
    }
  
    public static void expectDivisionByZero(int value) {
      try {
        $opt$Rem(value, 0);
        throw new Error("Expected RuntimeException when modulo by 0");
      } catch (java.lang.RuntimeException e) {
      }
      try {
        $opt$RemZero(value);
        throw new Error("Expected RuntimeException when modulo by 0");
      } catch (java.lang.RuntimeException e) {
      }
    }
  
    public static void expectDivisionByZero(long value) {
      try {
        $opt$Rem(value, 0L);
        throw new Error("Expected RuntimeException when modulo by 0");
      } catch (java.lang.RuntimeException e) {
      }
      try {
        $opt$RemZero(value);
        throw new Error("Expected RuntimeException when modulo by 0");
      } catch (java.lang.RuntimeException e) {
      }
    }
  
  }
  