test/compiler/7052494/Test7052494.java

/*
 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

/**
 * @test
 * @bug 7052494
 * @summary Eclipse test fails on JDK 7 b142
 *
 * @run main/othervm -Xbatch Test7052494
 */


public class Test7052494 {

  static int test1(int i, int limit) {
    int result = 0;
    while (i++ != 0) {
      if (result >= limit)
        break;
      result = i*2;
    }
    return result;
  }

  static int test2(int i, int limit) {
    int result = 0;
    while (i-- != 0) {
      if (result <= limit)
        break;
      result = i*2;
    }
    return result;
  }

  static void test3(int i, int limit, int arr[]) {
    while (i++ != 0) {
      if (arr[i-1] >= limit)
        break;
      arr[i] = i*2;
    }
  }

  static void test4(int i, int limit, int arr[]) {
    while (i-- != 0) {
      if (arr[arr.length + i + 1] <= limit)
        break;
      arr[arr.length + i] = i*2;
    }
  }

  // Empty loop rolls through MAXINT if i > 0

  static final int limit5 = Integer.MIN_VALUE + 10000;

  static int test5(int i) {
    int result = 0;
    while (i++ != limit5) {
      result = i*2;
    }
    return result;
  }

  // Empty loop rolls through MININT if i < 0

  static final int limit6 = Integer.MAX_VALUE - 10000;

  static int test6(int i) {
    int result = 0;
    while (i-- != limit6) {
      result = i*2;
    }
    return result;
  }

  public static void main(String [] args) {
    boolean failed = false;
    int[] arr = new int[8];
    int[] ar3 = { 0, 0, 4, 6, 8, 10, 0, 0 };
    int[] ar4 = { 0, 0, 0, -10, -8, -6, -4, 0 };
    System.out.println("test1");
    for (int i = 0; i < 11000; i++) {
      int k = test1(1, 10);
      if (k != 10) {
        System.out.println("FAILED: " + k + " != 10");
        failed = true;
        break;
      }
    }
    System.out.println("test2");
    for (int i = 0; i < 11000; i++) {
      int k = test2(-1, -10);
      if (k != -10) {
        System.out.println("FAILED: " + k + " != -10");
        failed = true;
        break;
      }
    }
    System.out.println("test3");
    for (int i = 0; i < 11000; i++) {
      java.util.Arrays.fill(arr, 0);
      test3(1, 10, arr);
      if (!java.util.Arrays.equals(arr,ar3)) {
        System.out.println("FAILED: arr = { " + arr[0] + ", "
                                              + arr[1] + ", "
                                              + arr[2] + ", "
                                              + arr[3] + ", "
                                              + arr[4] + ", "
                                              + arr[5] + ", "
                                              + arr[6] + ", "
                                              + arr[7] + " }");
        failed = true;
        break;
      }
    }
    System.out.println("test4");
    for (int i = 0; i < 11000; i++) {
      java.util.Arrays.fill(arr, 0);
      test4(-1, -10, arr);
      if (!java.util.Arrays.equals(arr,ar4)) {
        System.out.println("FAILED: arr = { " + arr[0] + ", "
                                              + arr[1] + ", "
                                              + arr[2] + ", "
                                              + arr[3] + ", "
                                              + arr[4] + ", "
                                              + arr[5] + ", "
                                              + arr[6] + ", "
                                              + arr[7] + " }");
        failed = true;
        break;
      }
    }
    System.out.println("test5");
    for (int i = 0; i < 11000; i++) {
      int k = test5(limit6);
      if (k != limit5*2) {
        System.out.println("FAILED: " + k + " != " + limit5*2);
        failed = true;
        break;
      }
    }
    System.out.println("test6");
    for (int i = 0; i < 11000; i++) {
      int k = test6(limit5);
      if (k != limit6*2) {
        System.out.println("FAILED: " + k + " != " + limit6*2);
        failed = true;
        break;
      }
    }
    System.out.println("finish");
    if (failed)
      System.exit(97);
  }
}