content: /*
   * Copyright (C) 2016 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.
   */
  
  //
  // Test on correctness in situations where slow paths may be shared
  // (actual sharing may vary between different code generators).
  //
  //
  public class Main {
  
    // A method with two loops that can be optimized with dynamic BCE,
    // resulting in a two times a deopt on null, a deopt on lower OOB,
    // and a deopt on upper OOB.
    private static void init(int[] x, int [] y, int l1, int h1, int l2, int h2) {
      for (int i = l1; i < h1; i++) {
        x[i] = i;
      }
      for (int i = l2; i < h2; i++) {
        y[i] = i;
      }
    }
  
    // Test that each of the six possible exceptions situations for init()
    // are correctly handled by the deopt instructions.
    public static void main(String[] args) {
      int[] x = new int[100];
      int[] y = new int[100];
      int z;
  
      // All is well.
      z = 0;
      reset(x, y);
      try {
        init(x, y, 0, 100, 0, 100);
      } catch (Exception e) {
        z = 1;
      }
      expectEquals(z, 0);
      for (int i = 0; i < 100; i++) {
        expectEquals(x[i], i);
        expectEquals(y[i], i);
      }
  
      // Null deopt on x.
      z = 0;
      reset(x, y);
      try {
        init(null, y, 0, 100, 0, 100);
      } catch (NullPointerException e) {
        z = 1;
      }
      expectEquals(z, 1);
      for (int i = 0; i < 100; i++) {
        expectEquals(x[i], 0);
        expectEquals(y[i], 0);
      }
  
      // Lower out-of-bounds on x.
      z = 0;
      reset(x, y);
      try {
        init(x, y, -1, 100, 0, 100);
      } catch (ArrayIndexOutOfBoundsException e) {
        z = 1;
      }
      expectEquals(z, 1);
      for (int i = 0; i < 100; i++) {
        expectEquals(x[i], 0);
        expectEquals(y[i], 0);
      }
  
      // Upper out-of-bounds on x.
      z = 0;
      reset(x, y);
      try {
        init(x, y, 0, 101, 0, 100);
      } catch (ArrayIndexOutOfBoundsException e) {
        z = 1;
      }
      expectEquals(z, 1);
      for (int i = 0; i < 100; i++) {
        expectEquals(x[i], i);
        expectEquals(y[i], 0);
      }
  
      // Null deopt on y.
      z = 0;
      reset(x, y);
      try {
        init(x, null, 0, 100, 0, 100);
      } catch (NullPointerException e) {
        z = 1;
      }
      expectEquals(z, 1);
      for (int i = 0; i < 100; i++) {
        expectEquals(x[i], i);
        expectEquals(y[i], 0);
      }
  
      // Lower out-of-bounds on y.
      z = 0;
      reset(x, y);
      try {
        init(x, y, 0, 100, -1, 100);
      } catch (ArrayIndexOutOfBoundsException e) {
        z = 1;
      }
      expectEquals(z, 1);
      for (int i = 0; i < 100; i++) {
        expectEquals(x[i], i);
        expectEquals(y[i], 0);
      }
  
      // Upper out-of-bounds on y.
      z = 0;
      reset(x, y);
      try {
        init(x, y, 0, 100, 0, 101);
      } catch (ArrayIndexOutOfBoundsException e) {
        z = 1;
      }
      expectEquals(z, 1);
      for (int i = 0; i < 100; i++) {
        expectEquals(x[i], i);
        expectEquals(y[i], i);
      }
  
      System.out.println("passed");
    }
  
    private static void reset(int[] x, int[] y) {
      for (int i = 0; i < x.length; i++) x[i] = 0;
      for (int i = 0; i < y.length; i++) y[i] = 0;
    }
  
    private static void expectEquals(int expected, int result) {
      if (expected != result) {
        throw new Error("Expected: " + expected + ", found: " + result);
      }
    }
  }
  