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 * @test 26 * @bug 6987555 27 * @summary JSR 292 unboxing to a boolean value fails on big-endian SPARC 28 * 29 * @run main/othervm -Xint -ea -XX:+UnlockDiagnosticVMOptions -XX:+VerifyMethodHandles Test6987555 30 */ 31 32import java.lang.invoke.*; 33 34public class Test6987555 { 35 private static final Class CLASS = Test6987555.class; 36 private static final String NAME = "foo"; 37 private static final boolean DEBUG = false; 38 39 public static void main(String[] args) throws Throwable { 40 testboolean(); 41 testbyte(); 42 testchar(); 43 testshort(); 44 testint(); 45 } 46 47 // boolean 48 static void testboolean() throws Throwable { 49 doboolean(false); 50 doboolean(true); 51 } 52 static void doboolean(boolean x) throws Throwable { 53 if (DEBUG) System.out.println("boolean=" + x); 54 MethodHandle mh1 = MethodHandles.lookup().findStatic(CLASS, NAME, MethodType.methodType(boolean.class, boolean.class)); 55 MethodHandle mh2 = mh1.asType(MethodType.methodType(boolean.class, Boolean.class)); 56 boolean a = (boolean) mh1.invokeExact(x); 57 boolean b = (boolean) mh2.invokeExact(Boolean.valueOf(x)); 58 assert a == b : a + " != " + b; 59 } 60 61 // byte 62 static void testbyte() throws Throwable { 63 byte[] a = new byte[] { 64 Byte.MIN_VALUE, 65 Byte.MIN_VALUE + 1, 66 -0x0F, 67 -1, 68 0, 69 1, 70 0x0F, 71 Byte.MAX_VALUE - 1, 72 Byte.MAX_VALUE 73 }; 74 for (int i = 0; i < a.length; i++) { 75 dobyte(a[i]); 76 } 77 } 78 static void dobyte(byte x) throws Throwable { 79 if (DEBUG) System.out.println("byte=" + x); 80 MethodHandle mh1 = MethodHandles.lookup().findStatic(CLASS, NAME, MethodType.methodType(byte.class, byte.class)); 81 MethodHandle mh2 = mh1.asType(MethodType.methodType(byte.class, Byte.class)); 82 byte a = (byte) mh1.invokeExact(x); 83 byte b = (byte) mh2.invokeExact(Byte.valueOf(x)); 84 assert a == b : a + " != " + b; 85 } 86 87 // char 88 static void testchar() throws Throwable { 89 char[] a = new char[] { 90 Character.MIN_VALUE, 91 Character.MIN_VALUE + 1, 92 0x000F, 93 0x00FF, 94 0x0FFF, 95 Character.MAX_VALUE - 1, 96 Character.MAX_VALUE 97 }; 98 for (int i = 0; i < a.length; i++) { 99 dochar(a[i]); 100 } 101 } 102 static void dochar(char x) throws Throwable { 103 if (DEBUG) System.out.println("char=" + x); 104 MethodHandle mh1 = MethodHandles.lookup().findStatic(CLASS, NAME, MethodType.methodType(char.class, char.class)); 105 MethodHandle mh2 = mh1.asType(MethodType.methodType(char.class, Character.class)); 106 char a = (char) mh1.invokeExact(x); 107 char b = (char) mh2.invokeExact(Character.valueOf(x)); 108 assert a == b : a + " != " + b; 109 } 110 111 // short 112 static void testshort() throws Throwable { 113 short[] a = new short[] { 114 Short.MIN_VALUE, 115 Short.MIN_VALUE + 1, 116 -0x0FFF, 117 -0x00FF, 118 -0x000F, 119 -1, 120 0, 121 1, 122 0x000F, 123 0x00FF, 124 0x0FFF, 125 Short.MAX_VALUE - 1, 126 Short.MAX_VALUE 127 }; 128 for (int i = 0; i < a.length; i++) { 129 doshort(a[i]); 130 } 131 } 132 static void doshort(short x) throws Throwable { 133 if (DEBUG) System.out.println("short=" + x); 134 MethodHandle mh1 = MethodHandles.lookup().findStatic(CLASS, NAME, MethodType.methodType(short.class, short.class)); 135 MethodHandle mh2 = mh1.asType(MethodType.methodType(short.class, Short.class)); 136 short a = (short) mh1.invokeExact(x); 137 short b = (short) mh2.invokeExact(Short.valueOf(x)); 138 assert a == b : a + " != " + b; 139 } 140 141 // int 142 static void testint() throws Throwable { 143 int[] a = new int[] { 144 Integer.MIN_VALUE, 145 Integer.MIN_VALUE + 1, 146 -0x00000FFF, 147 -0x000000FF, 148 -0x0000000F, 149 -1, 150 0, 151 1, 152 0x0000000F, 153 0x000000FF, 154 0x00000FFF, 155 Integer.MAX_VALUE - 1, 156 Integer.MAX_VALUE 157 }; 158 for (int i = 0; i < a.length; i++) { 159 doint(a[i]); 160 } 161 } 162 static void doint(int x) throws Throwable { 163 if (DEBUG) System.out.println("int=" + x); 164 MethodHandle mh1 = MethodHandles.lookup().findStatic(CLASS, NAME, MethodType.methodType(int.class, int.class)); 165 MethodHandle mh2 = mh1.asType(MethodType.methodType(int.class, Integer.class)); 166 int a = (int) mh1.invokeExact(x); 167 int b = (int) mh2.invokeExact(Integer.valueOf(x)); 168 assert a == b : a + " != " + b; 169 } 170 171 public static boolean foo(boolean i) { return i; } 172 public static byte foo(byte i) { return i; } 173 public static char foo(char i) { return i; } 174 public static short foo(short i) { return i; } 175 public static int foo(int i) { return i; } 176} 177