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Java example source code file (TestShortBoxing.java)

This example Java source code file (TestShortBoxing.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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Java - Java tags/keywords

internalerror, short, string, testshortboxing

The TestShortBoxing.java Java example source code

/*
 * Copyright (c) 2013, 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 6934604
 * @summary enable parts of EliminateAutoBox by default
 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+EliminateAutoBox TestShortBoxing
 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+EliminateAutoBox
 * -XX:CompileCommand=exclude,TestShortBoxing.dummy -XX:CompileCommand=exclude,TestShortBoxing.foo -XX:CompileCommand=exclude,TestShortBoxing.foob TestShortBoxing
 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-EliminateAutoBox
 * -XX:CompileCommand=exclude,TestShortBoxing.dummy -XX:CompileCommand=exclude,TestShortBoxing.foo -XX:CompileCommand=exclude,TestShortBoxing.foob TestShortBoxing
 *
 */

public class TestShortBoxing {

  static final Short ibc = new Short((short)1);

  //===============================================
  // Non-inlined methods to test deoptimization info
  static void dummy()      { }
  static short foo(short i)  { return i; }
  static Short foob(short i) { return Short.valueOf(i); }


  static short simple(short i) {
    Short ib = new Short(i);
    return ib;
  }

  static short simpleb(short i) {
    Short ib = Short.valueOf(i);
    return ib;
  }

  static short simplec() {
    Short ib = ibc;
    return ib;
  }

  static short simplef(short i) {
    Short ib = foob(i);
    return ib;
  }

  static short simplep(Short ib) {
    return ib;
  }

  static short simple2(short i) {
    Short ib1 = new Short(i);
    Short ib2 = new Short((short)(i+1));
    return (short)(ib1 + ib2);
  }

  static short simpleb2(short i) {
    Short ib1 = Short.valueOf(i);
    Short ib2 = Short.valueOf((short)(i+1));
    return (short)(ib1 + ib2);
  }

  static short simplem2(short i) {
    Short ib1 = new Short(i);
    Short ib2 = Short.valueOf((short)(i+1));
    return (short)(ib1 + ib2);
  }

  static short simplep2(short i, Short ib1) {
    Short ib2 = Short.valueOf((short)(i+1));
    return (short)(ib1 + ib2);
  }

  static short simplec2(short i) {
    Short ib1 = ibc;
    Short ib2 = Short.valueOf((short)(i+1));
    return (short)(ib1 + ib2);
  }

  //===============================================
  static short test(short i) {
    Short ib = new Short(i);
    if ((i&1) == 0)
      ib = (short)(i+1);
    return ib;
  }

  static short testb(short i) {
    Short ib = i;
    if ((i&1) == 0)
      ib = (short)(i+1);
    return ib;
  }

  static short testm(short i) {
    Short ib = i;
    if ((i&1) == 0)
      ib = new Short((short)(i+1));
    return ib;
  }

  static short testp(short i, Short ib) {
    if ((i&1) == 0)
      ib = new Short((short)(i+1));
    return ib;
  }

  static short testc(short i) {
    Short ib = ibc;
    if ((i&1) == 0)
      ib = new Short((short)(i+1));
    return ib;
  }

  static short test2(short i) {
    Short ib1 = new Short(i);
    Short ib2 = new Short((short)(i+1));
    if ((i&1) == 0) {
      ib1 = new Short((short)(i+1));
      ib2 = new Short((short)(i+2));
    }
    return (short)(ib1+ib2);
  }

  static short testb2(short i) {
    Short ib1 = i;
    Short ib2 = (short)(i+1);
    if ((i&1) == 0) {
      ib1 = (short)(i+1);
      ib2 = (short)(i+2);
    }
    return (short)(ib1 + ib2);
  }

  static short testm2(short i) {
    Short ib1 = new Short(i);
    Short ib2 = (short)(i+1);
    if ((i&1) == 0) {
      ib1 = new Short((short)(i+1));
      ib2 = (short)(i+2);
    }
    return (short)(ib1 + ib2);
  }

  static short testp2(short i, Short ib1) {
    Short ib2 = (short)(i+1);
    if ((i&1) == 0) {
      ib1 = new Short((short)(i+1));
      ib2 = (short)(i+2);
    }
    return (short)(ib1 + ib2);
  }

  static short testc2(short i) {
    Short ib1 = ibc;
    Short ib2 = (short)(i+1);
    if ((i&1) == 0) {
      ib1 = (short)(ibc+1);
      ib2 = (short)(i+2);
    }
    return (short)(ib1 + ib2);
  }

  //===============================================
  static short sum(short[] a) {
    short result = 1;
    for (Short i : a)
        result += i;
    return result;
  }

  static short sumb(short[] a) {
    Short result = 1;
    for (Short i : a)
        result = (short)(result + i);
    return result;
  }

  static short sumc(short[] a) {
    Short result = ibc;
    for (Short i : a)
        result = (short)(result + i);
    return result;
  }

  static short sumf(short[] a) {
    Short result = foob((short)1);
    for (Short i : a)
        result = (short)(result + i);
    return result;
  }

  static short sump(short[] a, Short result) {
    for (Short i : a)
        result = (short)(result + i);
    return result;
  }

  static short sum2(short[] a) {
    short result1 = 1;
    short result2 = 1;
    for (Short i : a) {
        result1 += i;
        result2 += i + 1;
    }
    return (short)(result1 + result2);
  }

  static short sumb2(short[] a) {
    Short result1 = 1;
    Short result2 = 1;
    for (Short i : a) {
        result1 = (short)(result1 + i);
        result2 = (short)(result2 + i + 1);
    }
    return (short)(result1 + result2);
  }

  static short summ2(short[] a) {
    Short result1 = 1;
    Short result2 = new Short((short)1);
    for (Short i : a) {
        result1 = (short)(result1 + i);
        result2 = (short)(result2 + new Short((short)(i + 1)));
    }
    return (short)(result1 + result2);
  }

  static short sump2(short[] a, Short result2) {
    Short result1 = 1;
    for (Short i : a) {
        result1 = (short)(result1 + i);
        result2 = (short)(result2 + i + 1);
    }
    return (short)(result1 + result2);
  }

  static short sumc2(short[] a) {
    Short result1 = 1;
    Short result2 = ibc;
    for (Short i : a) {
        result1 = (short)(result1 + i);
        result2 = (short)(result2 + i + ibc);
    }
    return (short)(result1 + result2);
  }

  //===============================================
  static short remi_sum() {
    Short j = new Short((short)1);
    for (int i = 0; i< 1000; i++) {
      j = new Short((short)(j + 1));
    }
    return j;
  }

  static short remi_sumb() {
    Short j = Short.valueOf((short)1);
    for (int i = 0; i< 1000; i++) {
      j = (short)(j + 1);
    }
    return j;
  }

  static short remi_sumf() {
    Short j = foob((short)1);
    for (int i = 0; i< 1000; i++) {
      j = (short)(j + 1);
    }
    return j;
  }

  static short remi_sump(Short j) {
    for (int i = 0; i< 1000; i++) {
      j = new Short((short)(j + 1));
    }
    return j;
  }

  static short remi_sumc() {
    Short j = ibc;
    for (int i = 0; i< 1000; i++) {
      j = (short)(j + ibc);
    }
    return j;
  }

  static short remi_sum2() {
    Short j1 = new Short((short)1);
    Short j2 = new Short((short)1);
    for (int i = 0; i< 1000; i++) {
      j1 = new Short((short)(j1 + 1));
      j2 = new Short((short)(j2 + 2));
    }
    return (short)(j1 + j2);
  }

  static short remi_sumb2() {
    Short j1 = Short.valueOf((short)1);
    Short j2 = Short.valueOf((short)1);
    for (int i = 0; i< 1000; i++) {
      j1 = (short)(j1 + 1);
      j2 = (short)(j2 + 2);
    }
    return (short)(j1 + j2);
  }

  static short remi_summ2() {
    Short j1 = new Short((short)1);
    Short j2 = Short.valueOf((short)1);
    for (int i = 0; i< 1000; i++) {
      j1 = new Short((short)(j1 + 1));
      j2 = (short)(j2 + 2);
    }
    return (short)(j1 + j2);
  }

  static short remi_sump2(Short j1) {
    Short j2 = Short.valueOf((short)1);
    for (int i = 0; i< 1000; i++) {
      j1 = new Short((short)(j1 + 1));
      j2 = (short)(j2 + 2);
    }
    return (short)(j1 + j2);
  }

  static short remi_sumc2() {
    Short j1 = ibc;
    Short j2 = Short.valueOf((short)1);
    for (int i = 0; i< 1000; i++) {
      j1 = (short)(j1 + ibc);
      j2 = (short)(j2 + 2);
    }
    return (short)(j1 + j2);
  }


  //===============================================
  // Safepointa and debug info for deoptimization
  static short simple_deop(short i) {
    Short ib = new Short(foo(i));
    dummy();
    return ib;
  }

  static short simpleb_deop(short i) {
    Short ib = Short.valueOf(foo(i));
    dummy();
    return ib;
  }

  static short simplef_deop(short i) {
    Short ib = foob(i);
    dummy();
    return ib;
  }

  static short simplep_deop(Short ib) {
    dummy();
    return ib;
  }

  static short simplec_deop(short i) {
    Short ib = ibc;
    dummy();
    return ib;
  }

  static short test_deop(short i) {
    Short ib = new Short(foo(i));
    if ((i&1) == 0)
      ib = foo((short)(i+1));
    dummy();
    return ib;
  }

  static short testb_deop(short i) {
    Short ib = foo(i);
    if ((i&1) == 0)
      ib = foo((short)(i+1));
    dummy();
    return ib;
  }

  static short testf_deop(short i) {
    Short ib = foob(i);
    if ((i&1) == 0)
      ib = foo((short)(i+1));
    dummy();
    return ib;
  }

  static short testp_deop(short i, Short ib) {
    if ((i&1) == 0)
      ib = foo((short)(i+1));
    dummy();
    return ib;
  }

  static short testc_deop(short i) {
    Short ib = ibc;
    if ((i&1) == 0)
      ib = foo((short)(i+1));
    dummy();
    return ib;
  }

  static short sum_deop(short[] a) {
    short result = 1;
    for (Short i : a)
        result += foo(i);
    dummy();
    return result;
  }

  static short sumb_deop(short[] a) {
    Short result = 1;
    for (Short i : a)
        result = (short)(result + foo(i));
    dummy();
    return result;
  }

  static short sumf_deop(short[] a) {
    Short result = 1;
    for (Short i : a)
        result = (short)(result + foob(i));
    dummy();
    return result;
  }

  static short sump_deop(short[] a, Short result) {
    for (Short i : a)
        result = (short)(result + foob(i));
    dummy();
    return result;
  }

  static short sumc_deop(short[] a) {
    Short result = ibc;
    for (Short i : a)
        result = (short)(result + foo(i));
    dummy();
    return result;
  }

  static short remi_sum_deop() {
    Short j = new Short(foo((short)1));
    for (int i = 0; i< 1000; i++) {
      j = new Short(foo((short)(j + 1)));
    }
    dummy();
    return j;
  }

  static short remi_sumb_deop() {
    Short j = Short.valueOf(foo((short)1));
    for (int i = 0; i< 1000; i++) {
      j = foo((short)(j + 1));
    }
    dummy();
    return j;
  }

  static short remi_sumf_deop() {
    Short j = foob((short)1);
    for (int i = 0; i< 1000; i++) {
      j = foo((short)(j + 1));
    }
    dummy();
    return j;
  }

  static short remi_sump_deop(Short j) {
    for (int i = 0; i< 1000; i++) {
      j = foo((short)(j + 1));
    }
    dummy();
    return j;
  }

  static short remi_sumc_deop() {
    Short j = ibc;
    for (int i = 0; i< 1000; i++) {
      j = foo((short)(j + 1));
    }
    dummy();
    return j;
  }

  //===============================================
  // Conditional increment
  static short remi_sum_cond() {
    Short j = new Short((short)1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j = new Short((short)(j + 1));
      }
    }
    return j;
  }

  static short remi_sumb_cond() {
    Short j = Short.valueOf((short)1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j = (short)(j + 1);
      }
    }
    return j;
  }

  static short remi_sumf_cond() {
    Short j = foob((short)1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j = (short)(j + 1);
      }
    }
    return j;
  }

  static short remi_sump_cond(Short j) {
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j = (short)(j + 1);
      }
    }
    return j;
  }

  static short remi_sumc_cond() {
    Short j = ibc;
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j = (short)(j + ibc);
      }
    }
    return j;
  }

  static short remi_sum2_cond() {
    Short j1 = new Short((short)1);
    Short j2 = new Short((short)1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j1 = new Short((short)(j1 + 1));
      } else {
        j2 = new Short((short)(j2 + 2));
      }
    }
    return (short)(j1 + j2);
  }

  static short remi_sumb2_cond() {
    Short j1 = Short.valueOf((short)1);
    Short j2 = Short.valueOf((short)1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j1 = (short)(j1 + 1);
      } else {
        j2 = (short)(j2 + 2);
      }
    }
    return (short)(j1 + j2);
  }

  static short remi_summ2_cond() {
    Short j1 = new Short((short)1);
    Short j2 = Short.valueOf((short)1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j1 = new Short((short)(j1 + 1));
      } else {
        j2 = (short)(j2 + 2);
      }
    }
    return (short)(j1 + j2);
  }

  static short remi_sump2_cond(Short j1) {
    Short j2 = Short.valueOf((short)1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j1 = new Short((short)(j1 + 1));
      } else {
        j2 = (short)(j2 + 2);
      }
    }
    return (short)(j1 + j2);
  }

  static short remi_sumc2_cond() {
    Short j1 = ibc;
    Short j2 = Short.valueOf((short)1);
    for (int i = 0; i< 1000; i++) {
      if ((i&1) == 0) {
        j1 = (short)(j1 + ibc);
      } else {
        j2 = (short)(j2 + 2);
      }
    }
    return (short)(j1 + j2);
  }


  public static void main(String[] args) {
    final int ntests = 70;

    String[] test_name = new String[] {
        "simple",      "simpleb",      "simplec",      "simplef",      "simplep",
        "simple2",     "simpleb2",     "simplec2",     "simplem2",     "simplep2",
        "simple_deop", "simpleb_deop", "simplec_deop", "simplef_deop", "simplep_deop",
        "test",        "testb",        "testc",        "testm",        "testp",
        "test2",       "testb2",       "testc2",       "testm2",       "testp2",
        "test_deop",   "testb_deop",   "testc_deop",   "testf_deop",   "testp_deop",
        "sum",         "sumb",         "sumc",         "sumf",         "sump",
        "sum2",        "sumb2",        "sumc2",        "summ2",        "sump2",
        "sum_deop",    "sumb_deop",    "sumc_deop",    "sumf_deop",    "sump_deop",
        "remi_sum",       "remi_sumb",       "remi_sumc",       "remi_sumf",       "remi_sump",
        "remi_sum2",      "remi_sumb2",      "remi_sumc2",      "remi_summ2",      "remi_sump2",
        "remi_sum_deop",  "remi_sumb_deop",  "remi_sumc_deop",  "remi_sumf_deop",  "remi_sump_deop",
        "remi_sum_cond",  "remi_sumb_cond",  "remi_sumc_cond",  "remi_sumf_cond",  "remi_sump_cond",
        "remi_sum2_cond", "remi_sumb2_cond", "remi_sumc2_cond", "remi_summ2_cond", "remi_sump2_cond"
    };

    final int[] val = new int[] {
       71994000,  71994000,    12000,  71994000,  71994000,
      144000000, 144000000, 72018000, 144000000, 144000000,
       71994000,  71994000,    12000,  71994000,  71994000,
       72000000,  72000000, 36006000,  72000000,  72000000,
      144012000, 144012000, 72030000, 144012000, 144012000,
       72000000,  72000000, 36006000,  72000000,  72000000,
         -24787,    -24787,   -24787,    -24787,    -24787,
          16962,     16962,    16962,     16962,     16962,
         -24787,    -24787,   -24787,    -24787,    -24787,
           1001,      1001,     1001,      1001,      1001,
           3002,      3002,     3002,      3002,      3002,
           1001,      1001,     1001,      1001,      1001,
            501,       501,      501,       501,       501,
           1502,      1502,     1502,      1502,      1502
    };

    int[] res = new int[ntests];
    for (int i = 0; i < ntests; i++) {
      res[i] = 0;
    }


    for (int i = 0; i < 12000; i++) {
      res[0] += simple((short)i);
      res[1] += simpleb((short)i);
      res[2] += simplec();
      res[3] += simplef((short)i);
      res[4] += simplep((short)i);

      res[5] += simple2((short)i);
      res[6] += simpleb2((short)i);
      res[7] += simplec2((short)i);
      res[8] += simplem2((short)i);
      res[9] += simplep2((short)i, (short)i);

      res[10] += simple_deop((short)i);
      res[11] += simpleb_deop((short)i);
      res[12] += simplec_deop((short)i);
      res[13] += simplef_deop((short)i);
      res[14] += simplep_deop((short)i);

      res[15] += test((short)i);
      res[16] += testb((short)i);
      res[17] += testc((short)i);
      res[18] += testm((short)i);
      res[19] += testp((short)i, (short)i);

      res[20] += test2((short)i);
      res[21] += testb2((short)i);
      res[22] += testc2((short)i);
      res[23] += testm2((short)i);
      res[24] += testp2((short)i, (short)i);

      res[25] += test_deop((short)i);
      res[26] += testb_deop((short)i);
      res[27] += testc_deop((short)i);
      res[28] += testf_deop((short)i);
      res[29] += testp_deop((short)i, (short)i);
    }

    short[] ia = new short[1000];
    for (int i = 0; i < 1000; i++) {
      ia[i] = (short)i;
    }

    for (int i = 0; i < 100; i++) {
      res[30] = sum(ia);
      res[31] = sumb(ia);
      res[32] = sumc(ia);
      res[33] = sumf(ia);
      res[34] = sump(ia, (short)1);

      res[35] = sum2(ia);
      res[36] = sumb2(ia);
      res[37] = sumc2(ia);
      res[38] = summ2(ia);
      res[39] = sump2(ia, (short)1);

      res[40] = sum_deop(ia);
      res[41] = sumb_deop(ia);
      res[42] = sumc_deop(ia);
      res[43] = sumf_deop(ia);
      res[44] = sump_deop(ia, (short)1);

      res[45] = remi_sum();
      res[46] = remi_sumb();
      res[47] = remi_sumc();
      res[48] = remi_sumf();
      res[49] = remi_sump((short)1);

      res[50] = remi_sum2();
      res[51] = remi_sumb2();
      res[52] = remi_sumc2();
      res[53] = remi_summ2();
      res[54] = remi_sump2((short)1);

      res[55] = remi_sum_deop();
      res[56] = remi_sumb_deop();
      res[57] = remi_sumc_deop();
      res[58] = remi_sumf_deop();
      res[59] = remi_sump_deop((short)1);

      res[60] = remi_sum_cond();
      res[61] = remi_sumb_cond();
      res[62] = remi_sumc_cond();
      res[63] = remi_sumf_cond();
      res[64] = remi_sump_cond((short)1);

      res[65] = remi_sum2_cond();
      res[66] = remi_sumb2_cond();
      res[67] = remi_sumc2_cond();
      res[68] = remi_summ2_cond();
      res[69] = remi_sump2_cond((short)1);
    }

    int failed = 0;
    for (int i = 0; i < ntests; i++) {
      if (res[i] != val[i]) {
        System.err.println(test_name[i] + ": " + res[i] + " != " + val[i]);
        failed++;
      }
    }
    if (failed > 0) {
      System.err.println("Failed " + failed + " tests.");
      throw new InternalError();
    } else {
      System.out.println("Passed.");
    }
  }
}

Other Java examples (source code examples)

Here is a short list of links related to this Java TestShortBoxing.java source code file:

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