1 /*

     2  * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    24 

    25 /**

    26  * @test

    27  * @bug 6987555

    28  * @summary JSR 292 unboxing to a boolean value fails on big-endian SPARC

    29  *

    30  * @run main/othervm -Xint -ea -XX:+UnlockExperimentalVMOptions -XX:+EnableMethodHandles -XX:+EnableInvokeDynamic -XX:+UnlockDiagnosticVMOptions -XX:+VerifyMethodHandles Test6987555

    31  */

    32 

    33 import java.lang.invoke.*;

    34 

    35 public class Test6987555 {

    36     private static final Class   CLASS = Test6987555.class;

    37     private static final String  NAME  = "foo";

    38     private static final boolean DEBUG = false;

    39 

    40     public static void main(String[] args) throws Throwable {

    41         testboolean();

    42         testbyte();

    43         testchar();

    44         testshort();

    45         testint();

    46     }

    47 

    48     // boolean

    49     static void testboolean() throws Throwable {

    50         doboolean(false);

    51         doboolean(true);

    52     }

    53     static void doboolean(boolean x) throws Throwable {

    54         if (DEBUG)  System.out.println("boolean=" + x);

    55         MethodHandle mh1 = MethodHandles.lookup().findStatic(CLASS, NAME, MethodType.methodType(boolean.class, boolean.class));

    56         MethodHandle mh2 = mh1.asType(MethodType.methodType(boolean.class, Boolean.class));

    57         boolean a = (boolean) mh1.invokeExact(x);

    58         boolean b = (boolean) mh2.invokeExact(Boolean.valueOf(x));

    59         assert a == b : a + " != " + b;

    60     }

    61 

    62     // byte

    63     static void testbyte() throws Throwable {

    64         byte[] a = new byte[] {

    65             Byte.MIN_VALUE,

    66             Byte.MIN_VALUE + 1,

    67             -0x0F,

    68             -1,

    69             0,

    70             1,

    71             0x0F,

    72             Byte.MAX_VALUE - 1,

    73             Byte.MAX_VALUE

    74         };

    75         for (int i = 0; i < a.length; i++) {

    76             dobyte(a[i]);

    77         }

    78     }

    79     static void dobyte(byte x) throws Throwable {

    80         if (DEBUG)  System.out.println("byte=" + x);

    81         MethodHandle mh1 = MethodHandles.lookup().findStatic(CLASS, NAME, MethodType.methodType(byte.class, byte.class));

    82         MethodHandle mh2 = mh1.asType(MethodType.methodType(byte.class, Byte.class));

    83         byte a = (byte) mh1.invokeExact(x);

    84         byte b = (byte) mh2.invokeExact(Byte.valueOf(x));

    85         assert a == b : a + " != " + b;

    86     }

    87 

    88     // char

    89     static void testchar() throws Throwable {

    90         char[] a = new char[] {

    91             Character.MIN_VALUE,

    92             Character.MIN_VALUE + 1,

    93             0x000F,

    94             0x00FF,

    95             0x0FFF,

    96             Character.MAX_VALUE - 1,

    97             Character.MAX_VALUE

    98         };

    99         for (int i = 0; i < a.length; i++) {

   100             dochar(a[i]);

   101         }

   102     }

   103     static void dochar(char x) throws Throwable {

   104         if (DEBUG)  System.out.println("char=" + x);

   105         MethodHandle mh1 = MethodHandles.lookup().findStatic(CLASS, NAME, MethodType.methodType(char.class, char.class));

   106         MethodHandle mh2 = mh1.asType(MethodType.methodType(char.class, Character.class));

   107         char a = (char) mh1.invokeExact(x);

   108         char b = (char) mh2.invokeExact(Character.valueOf(x));

   109         assert a == b : a + " != " + b;

   110     }

   111 

   112     // short

   113     static void testshort() throws Throwable {

   114         short[] a = new short[] {

   115             Short.MIN_VALUE,

   116             Short.MIN_VALUE + 1,

   117             -0x0FFF,

   118             -0x00FF,

   119             -0x000F,

   120             -1,

   121             0,

   122             1,

   123             0x000F,

   124             0x00FF,

   125             0x0FFF,

   126             Short.MAX_VALUE - 1,

   127             Short.MAX_VALUE

   128         };

   129         for (int i = 0; i < a.length; i++) {

   130             doshort(a[i]);

   131         }

   132     }

   133     static void doshort(short x) throws Throwable {

   134         if (DEBUG)  System.out.println("short=" + x);

   135         MethodHandle mh1 = MethodHandles.lookup().findStatic(CLASS, NAME, MethodType.methodType(short.class, short.class));

   136         MethodHandle mh2 = mh1.asType(MethodType.methodType(short.class, Short.class));

   137         short a = (short) mh1.invokeExact(x);

   138         short b = (short) mh2.invokeExact(Short.valueOf(x));

   139         assert a == b : a + " != " + b;

   140     }

   141 

   142     // int

   143     static void testint() throws Throwable {

   144         int[] a = new int[] {

   145             Integer.MIN_VALUE,

   146             Integer.MIN_VALUE + 1,

   147             -0x00000FFF,

   148             -0x000000FF,

   149             -0x0000000F,

   150             -1,

   151             0,

   152             1,

   153             0x0000000F,

   154             0x000000FF,

   155             0x00000FFF,

   156             Integer.MAX_VALUE - 1,

   157             Integer.MAX_VALUE

   158         };

   159         for (int i = 0; i < a.length; i++) {

   160             doint(a[i]);

   161         }

   162     }

   163     static void doint(int x) throws Throwable {

   164         if (DEBUG)  System.out.println("int=" + x);

   165         MethodHandle mh1 = MethodHandles.lookup().findStatic(CLASS, NAME, MethodType.methodType(int.class, int.class));

   166         MethodHandle mh2 = mh1.asType(MethodType.methodType(int.class, Integer.class));

   167         int a = (int) mh1.invokeExact(x);

   168         int b = (int) mh2.invokeExact(Integer.valueOf(x));

   169         assert a == b : a + " != " + b;

   170     }

   171 

   172     public static boolean foo(boolean i) { return i; }

   173     public static byte    foo(byte    i) { return i; }

   174     public static char    foo(char    i) { return i; }

   175     public static short   foo(short   i) { return i; }

   176     public static int     foo(int     i) { return i; }

   177 }