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:+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 }